2015 Singaporean general election

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All 89 directly elected seats inParliament (and up to 9NCMPs)
Registered	2,462,926
Turnout	93.70% ( 0.52pp)
First party Second party   Leader Lee Hsien Loong Low Thia Khiang Party PAP WP Leader's seat Ang Mo Kio GRC Aljunied GRC Last election 60.14%, 81 seats 12.83%, 8 seats Seats won 83 9 Seat change 2 1 Popular vote 1,579,183 282,143 Percentage 69.86% 12.48% Swing 9.72pp 0.35pp
Results by constituency
Prime Minister before election Lee Hsien Loong PAP Prime Minister after election Lee Hsien Loong PAP

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General elections were held inSingapore on 11 September 2015 to elect members ofParliament. They were the fourteenth general elections since the introduction ofself-government in 1959 and the twelfth sinceindependence in 1965.PresidentTony Tandissolved parliament on 25 August on the advice ofPrime MinisterLee Hsien Loong three weeks before the election. The number of elected seats was increased from 87 to 89 from the previous election. This was the third election contested by Lee as prime minister.

The election was held a few months after thedeath ofLee Kuan Yew in March, who was afounding father of the country and a key figure in its development as a nation. His passing was widely seen as strengthening public support for the governingPeople's Action Party (PAP) as the national mood of remembrance and unity grew.^[1] The government also focused heavily onSG50 celebrations, which marked Singapore'sgolden jubilee of independence and stirred strong feelings ofpatriotism.^[1] The election was called earlier than expected, several months before the anticipated 2016 timeline. As a result, the12th Parliament (2011–2015) ended sooner than usual, making it the shortest term since the7th Parliament (1989–1991).^[2]

For the third consecutive election, the PAP did not return to government on nomination day. In addition, all constituencies were contested, marking a first in Singapore's post-independence history where there were nowalkovers for the PAP. Nevertheless, the PAP achieved alandslide victory in the election, retaining itssupermajority and increasing its popular vote share by almost 10 percentage points to 69.86%, its best result since2001.^[3] The party won 83 seats while the oppositionWorkers' Party (WP) won six, retainingAljunied Group Representation Constituency (GRC) andHougang Single Member Constituency (SMC) with reduced majorities. The WP's overall vote share fell by about 7% across the 28 seats it contested. Threenon-constituency seats (NCMPs) were also allocated to the WP, resulting in the13th Parliament being the first in which only two political parties were represented, whether through elected MPs or NCMPs.^[4][5]

The maximum term of a Singaporean parliament is five years, within which it must be dissolved by the President and elections held within three months, as stated in theConstitution.^[6] As like the previous elections since 1959, voting is compulsory and results are based on thefirst-past-the-post system. Elections are conducted by theElections Department, which is under the jurisdiction of the Prime Minister's Office.

During the previous general election in2011, the governingPeople's Action Party (PAP) had secured their 13th consecutive term in office since1959. This was the PAP's third election withLee Hsien Loong as its Secretary-General, and the country's first election after the death of its founding Prime MinisterLee Kuan Yew. Prior to the election, some analysts suggested that an early election to garner "sympathy votes" might backfire.^[7][8] It was also the country's first election where there were no walkovers in any of the constituencies, as voting took place inTanjong Pagar GRC for the first time.

TheReturning Officer for this election was the chief executive director of theEnergy Market Authority, Ng Wai Choong, taking over fromYam Ah Mee who had served in this role in theprevious general election.^[9] He was also the first returning officer with a different announcement format on the results, with valid votes and rejected votes revealed as opposed to rejected votes and turnout in the past elections.^[10]

The governingPeople's Action Party (PAP) has been in power since 1959 and is currently led by thePrime MinisterLee Hsien Loong. The leading Opposition party is TheWorker's Party, led byLow Thia Khiang, with seven elected seats and two NCMP seats. TheSingapore People's Party led byChiam See Tong has one NCMP seat. A total of eight Opposition parties challenged the ruling party in this election.

The Electoral Boundaries Review Committee is convened before every general election to review electoral boundaries in view of population growth and shifts. The committee is appointed by the prime minister.[1]

The electoral boundaries were published on 24 July 2015, with about one-fifth of the existing electorate having redistricted to new constituencies, and the number of seats increased to 89, up from 87 in the last election.^[19][20]Bishan–Toa Payoh GRC's boundaries were changed for the first time ever since the formation in 1997, whileMoulmein-Kallang GRC, which was created in the last election to take its place withJalan Besar GRC, was removed. The election also saw the introduction ofMarsiling-Yew Tee GRC due to the population growth in northern Singapore, specificallyWoodlands andYew Tee. Only two GRCs located in theNorth East CDC (Aljunied andTampines) were untouched. The number of GRCs this election was 16, an increase by one from the last election.

In the SMCs, three constituencies (Bukit Batok,Fengshan andMacPherson) had reappeared from the political map for the first time since their last presence in1991,1988 and 2006, respectively. Only two of the SMCs (Hong Kah North andSengkang West) had changes in the boundaries, while two former SMCs (Joo Chiat andWhampoa) were subsumed to their neighbouring GRCs. The number of SMCs this election was 13, an increase by one from the last election.

The changes of the GRCs boundaries (and any SMCs, if applicable), were as follows:

Following the preceding election, apresidential election was held three months after the parliamentary election. FormerDeputy Prime MinisterTony Tan narrowly won the election by aplurality against three other candidates, withTan Cheng Bock, who would form theProgress Singapore Party in 2019, finishing second. Observers seen that the both elections in 2011 were "watershed" due to the divide between the rulingPeople's Action Party and the oppositions.^[21][22][23]

In the aftermath of the general election, bothMinister MentorLee Kuan Yew andSenior MinisterGoh Chok Tong stepped down from the cabinet and become backbenchers citing renewal process, with the latter being conferred as "emeritus"; as a result the Senior Minister post would be vacant until 2019.^[24][25] The four incumbents from the former PAP team forAljunied GRC, including formerForeign MinisterGeorge Yeo and cabinet ministerLim Hwee Hua, subsequently retired from politics,^[26][27] and the former also declined to contest in that year's presidential election.^[28][29]Ong Ye Kung, a new fifth candidate who was also part of their PAP's Aljunied GRC team, was fielded instead toSembawang GRC;^[30]Ang Mo Kio GRC incumbentYeo Guat Kwang (whose ward was redrawn from Aljunied in 2011) replaced Ong as their lead.^[31]

Towards the end of the term, foundingPrime Minister of Singapore and member-of-parliament forTanjong Pagar GRCLee Kuan Yewdied ofpneumonia on 23 March 2015, about 60 years after serving the constituency.^[32]

Opposition parties had also seen several renewals, includingSingapore Democratic Party where secretary-generalChee Soon Juan was formally discharged from bankruptcy by the court on 22 November 2012, rendering him eligible again to stand for elections for the first time since 2001.^[33] Former SDP membersTan Jee Say andAng Yong Guan formed its newSingaporeans First party in May 2014.^[34]

The other party besides the leading opposition party ofWorkers' Party to represent in the 12th Parliament wasSingapore People's Party, which consist of onlyLina Loh as aNon-Constituency Member of Parliament. Secretary-general and Loh's spouse,Chiam See Tong, announced that he would not contest the election for the first time since his debut in 1976, citing health reasons.^[35][36] The party was further strengthened byDemocratic Progressive Party withMohamad Hamim bin Aliyas andBenjamin Pwee resigning from the latter party to join the former.^[37] This marked DPP's first electoral contest since 2001 after DPP became active again in December 2012 following a 10-year hiatus.^[38][39]

National Solidarity Party secretary-generalGoh Meng Seng subsequently resigned from the party after the election,^[40][41] and formed its newPeople's Power Party early in 2015,^[42] with applications approved on July, nearly two months before the election.^[43] NSP had also met with several party changes including the introduction ofLim Tean who would later foundPeoples Voice; while former NSP members such asHazel Poa,^[44]Nicole Seah^[45] andJeanette Chong-Aruldoss have left the party ahead of the election, and former Non-Constituency Member of ParliamentSteve Chia did not stand for the election in response to the party's controversial decision to contestMacPherson SMC (the party reversed their initial decision to not contest the ward on 19 August^[46]) and online abuse (former MPCheo Chai Chen would eventually contest the seat instead).^[47] Cheo was further criticized during campaigning on 3 September through aFacebook post citing PAP candidateTin Pei Ling's role as a mother (who she gave birth to her first child on 5 August^[48]) as a weakness and later claimed as a joke.^[49][50]

The parliament had responded to the signals of the electorate and tweaked its policies to cool escalating housing prices, enhance transport services, reward the nation's elderly pioneers and impose a significant cut to the salaries of certain office-holders. 2013 had also met with several incidents, most notably the2013 Southeast Asian haze, thePopulation White Paper,^[51] the2013 Little India riots,^[52] and controversies surrounding Aljunied-Hougang Town Council.^[53]: 22 2014 also saw certain policy changes and certain debates addressing concerns for immigration,^[54]Central Provident Fund and retirement, itsLGBT rights in Singapore, and its impact in its culture after three books are pulled from its shelves and destroyed according toNational Library Board.^[55][34] All of these events became general topics that were discussed during the hustings.^[56][57][58]

A series of two by-elections within eight months were held during the term, marking it the first occurrence of such since1992, with both involving a member-of-parliament vacating a SMC in 2012 pertaining toextramarital affairs. On February 14,Hougang SMC MPYaw Shin Leong was also expelled from theWorkers' Party following the party's CEC decision to expel him on misconduct. Ten months later on December 12,Speaker of the Parliament of SingaporeMichael Palmer resigned from all the posts and the party, and the MP forPunggol East SMC.

In both of the ensuing by-elections, the WP candidates,Png Eng Huat andLee Li Lian, respectively won both theMay andJanuary by-elections, the latter also resulted in the first time since the1981 Anson by-election where PAP lost a seat during theterm. In a follow-up statement by Prime MinisterLee Hsien Loong, he respected the results for both by-elections and encouraged alternative voices, as the by-election is meant to find a replacement of an MP in a constituency and not government.^[59][60][61]

Following the success of both by-elections, WP announced that both Lee and Png, alongside the entireAljunied GRC team, would remain in their respective constituencies this election.^[62]

As with preceding elections, many media outlets named the following constituencies as its "hotspots" for the election:^[63][64][65]

• Fights against WP hadAljunied GRC (the first GRC to be won by an opposition party),East Coast GRC,Fengshan SMC (Fengshan being part of East Coast, in which it was narrowly lost in the last election; their 2011 team also consist of NCMPGerald Giam and eventualHougang SMC MPPng Eng Huat),MacPherson SMC (three-cornered contest between WP and NSP),Marine Parade GRC (due to the incorporation ofJoo Chiat SMC, which was narrowly defeated in the last election) andPunggol East SMC (the ward won by WP in the2013 by-election);
• Fights against SPP hadBishan-Toa Payoh GRC andPotong Pasir SMC, the latter saw PAP winning back the ward for the first time in 26 years by a narrow winning margin under 1% resulting inLina Loh winning an NCMP seat;
• Holland-Bukit Timah GRC, which was contested by SDP's A-team led by Chee Soon Juan andPaul Tambyah;
• Tampines GRC, which again contested by NSP's A-team led byLim Tean;
• Tanjong Pagar GRC was also noted for being a hotspot as it was their first-ever contest since the ward was formed in 1991, and their incumbent PAP do not have Lee Kuan Yew; their opposing team was led by SingFirst Secretary-GeneralTan Jee Say (also a 2011 Presidential candidate).

Election Department raised the cap for their election expenses to S$4 per voter in a constituency divided by number of seats, up from S$3.50 previously. The ballot paper will also be printed to include passport photographs of candidates for better identification; these changes were first enacted on the 2011 Presidential election.^[66] ELD also published a 67-page handbook, advising candidates against "negative campaigning practices", anddrones are banned in rallies.^[67][68]

While the campaign and election were held during theseventh lunar month,Singapore Police Force issued a notice whereas political activities must be separate fromGetai activities.^[69]

In an election's first,sample counts were released by the Elections Department to prevent speculation and misinformation from unofficial sources while counting is underway.^[70] All sample counts were released at 10PM, about two hours after polling ended. With the exception of Aljunied and Punggol East, where counts were within a 4% error margin at a 95% confidence rate, all other figures showed that PAP had comfortable leads in 26 electoral divisions, while WP led in one electoral division. The final percentage showed an accuracy range between 0.06% (Tampines GRC) and 2.99% (MacPherson SMC).^[71] Sample counts works differently toexit polls, where they are illegal under the Parliamentary Elections Act due to privacy concerns,^{[72][73][74][75]} as it was last occurred during the2013 Punggol East by-election where an exit poll was attempted.^[76]

The Elections Department issued the following information upon the issuance of the writ of election^[81]

• Date: 1 September 2015
• Time: 11:00 a.m. to 12.00 p.m.
• Returning Officer: Ng Wai Choong
• Election Deposit:S$14,500 (down from S$16,000 in 2011)

• A^M indicates a GRC requires a Malay/Muslim minority candidate, while^IO indicates a GRC requires an Indian or other minority candidate

Campaigning began from 1 September and ended on 9 September to canvass votes through physical rallies and stream on various media platforms. A live debate was held on 1 September in English and Chinese channel platforms, followed by two party political broadcasts airing on 3 and 10 September. The eve of polling day, known ascooling-off day, prohibits party from campaigning except for party political broadcasts.

A total of 72 candidates made their political debut this election, among which the PAP team include a former Second Permanent Secretary,^[82] a formerMediaCorp television personality,^[83] a former police assistant commissioner,^[84] a founder of an organisation focusing animal welfare,^[85] and a formerChief of Defence Force.^[86][87] 14 MPs from the12th Parliament stepped down this election, and one MPdied during the term in office on 23 March this year, which is formerMinister Mentor and firstPrime Minister of SingaporeLee Kuan Yew,^[88] who served theTanjong Pagar division for a record 60 years, the longest tenure for any elected MPs; in turn, this was also the first election where none of the MPs from theoriginal Parliament represented this election.^[89]

After polls closed at 8pm, vote counting began. Results were announced by Ng Wai Choong, chief executive director of theEnergy Market Authority, who served as the Returning Officer for the election.^[9] The first result was declared at 11.31pm on 11 September where PAP candidateLam Pin Min won theSengkang West SMC with a majority of 17,564. The last result was declared at 3.10am on 12 September whereWorkers' Party team contestingAljunied GRC, led by party's secretary-generalLow Thia Khiang, won the constituency by a narrow margin of 1.9%, or a majority of 2,612, following arecount.^[90]

Contrary to expectations of a tougher contest as there are no walkovers this election, PAP had one of its best results since 2001, increasing their vote share by a tenth to 69.86%. Many of the constituencies had swings towards the PAP, with the biggest swing being theBishan–Toa Payoh GRC, with 16.66% followed byPotong Pasir SMC with 16.05%. The best-performing constituency for the PAP in the election wasJurong GRC, where it received 79.28% of the vote; it was also the first election where a GRC was the best-performing constituency as the top scorers in past elections were all SMCs. The WP had their vote shares greatly reduced, and while they are able to retain Aljunied GRC and Hougang SMC, they lostPunggol East SMC after gaining it in a 2013-by-election.

A poll held by the Institute of Policy Studies among 2,000 voters found that 79 percent believed "The whole election system is fair to all political parties,” up from 61 percent in 2011.^[91]

Voter turnout for the election was 93.7%, with 2,307,746 votes cast. Three candidates,Cheo Chai Chen from the NSP, and independent candidatesHan Hui Hui and Samir Salim Neji, had their $14,500 election deposits forfeited. Samir's vote share of 0.60% of the vote, or 150 votes, set a record for the worst result in any general election (not counting SDA'sDesmond Lim's 0.57% share in a 2013 by-election), surpassing the previous record in1984 of Teo Kim Hoe's 0.81%.^[92][93] However, his record would later be broken in the2025 general election, when the NSP team forTampines GRC won 0.18%.^[94]

Party		Votes	%	Seats	+/–
	People's Action Party	1,579,183	69.86	83	+2
	Workers' Party	282,143	12.48	6	0
	Singapore Democratic Party	84,931	3.76	0	0
	National Solidarity Party	79,826	3.53	0	0
	Reform Party	59,517	2.63	0	0
	Singaporeans First	50,867	2.25	0	New
	Singapore People's Party	49,107	2.17	0	0
	Singapore Democratic Alliance	46,550	2.06	0	0
	People's Power Party	25,475	1.13	0	New
	Independents	2,780	0.12	0	New
Total		2,260,379	100.00	89	+2
Valid votes		2,260,379	97.95
Invalid/blank votes		47,367	2.05
Total votes		2,307,746	100.00
Registered voters/turnout		2,462,926	93.70
Source:Singapore Elections

Candidates and results of 2015 Singaporean general election[95]
Division	Seats	Voters	Party		Candidate(s)	Votes	Votes %	Sample counts	Overseas vote difference	Swing	Margins
Bukit Batok SMC	1	27,077		People's Action Party	David Ong	18,234	73.02 / 100	74 / 100	0.03	N/A	46.64%
				Singapore Democratic Party	Sadasivam Veriyah	6,588	26.38 / 100	26 / 100	0.02	N/A
				Independent(Loses $14,500 deposit)	Samir Salim Neji	150	0.60 / 100	0 / 100		N/A
Bukit Panjang SMC	1	34,317		People's Action Party	Teo Ho Pin	21,954	68.38 / 100	69 / 100		2.11	36.76%
				Singapore Democratic Party	Khung Wai Yeen	10,152	31.62 / 100	31 / 100		2.11
Fengshan SMC	1	23,427		People's Action Party	Cheryl Chan	12,417	57.50 / 100	57 / 100	0.02	N/A	5.00%
				Workers' Party	Dennis Tan[a]	9,176	42.50 / 100	43 / 100	0.02	N/A
Hong Kah North SMC	1	28,145		People's Action Party	Amy Khor	19,628	74.76 / 100	74 / 100		4.15	49.52%
				Singapore People's Party	Ravi Philemon	6,627	25.24 / 100	26 / 100		4.15
Hougang SMC	1	24,097		Workers' Party	Png Eng Huat	13,027	57.66 / 100	58 / 100	0.03	7.14	15.32%
				People's Action Party	Lee Hong Chuang	9,565	42.34 / 100	42 / 100	0.03	7.14
MacPherson SMC	1	28,511		People's Action Party	Tin Pei Ling	17,251	65.60 / 100	63 / 100	0.02	N/A	32.01%
				Workers' Party	Bernard Chen	8,833	33.59 / 100	36 / 100	0.02	N/A
				National Solidarity Party (Loses $14,500 deposit)	Cheo Chai Chen	215	0.82 / 100	1 / 100		N/A
Mountbatten SMC	1	24,143		People's Action Party	Lim Biow Chuan	15,331	71.86 / 100	72 / 100	0.02	13.24	43.72%
				Singapore People's Party	Jeannette Chong-Aruldoss	6,004	28.14 / 100	28 / 100	0.02	13.24
Pioneer SMC	1	25,458		People's Action Party	Cedric Foo	18,017	76.35 / 100	78 / 100	0.01	15.62	53.70%
				National Solidarity Party	Elvin Ong	5,581	23.65 / 100	22 / 100	0.01	15.62
Potong Pasir SMC	1	17,407		People's Action Party	Sitoh Yih Pin	10,602	66.39 / 100	68 / 100	0.02	16.03	32.78%
				Singapore People's Party	Lina Loh	5,368	33.61 / 100	32 / 100	0.02	16.03
Punggol East SMC	1	34,466		People's Action Party	Charles Chong	16,977	51.77 / 100	51 / 100	0.01	2.77	3.54%
				Workers' Party	Lee Li Lian	15,818	48.23 / 100	49 / 100	0.01	7.22
Radin Mas SMC	1	28,906		People's Action Party	Sam Tan	20,246	77.25 / 100	77 / 100		10.15	64.53%
				Reform Party	Kumar Appavoo	3,333	12.72 / 100	14 / 100	0.01	20.18
				Independent(Loses $14,500 deposit)	Han Hui Hui	2,630	10.03 / 100	9 / 100	0.01	N/A
Sengkang West SMC	1	30,119		People's Action Party	Lam Pin Min	17,586	62.13 / 100	63 / 100	0.02	4.02	24.26%
				Workers' Party	Koh Choong Yong	10,721	37.87 / 100	37 / 100	0.02	4.02
Yuhua SMC	1	22,617		People's Action Party	Grace Fu	15,324	73.55 / 100	72 / 100	0.01	6.69	47.10%
				Singapore Democratic Party	Jaslyn Go	5,512	26.45 / 100	28 / 100	0.01	6.69
Chua Chu Kang GRC	4	119,931		People's Action Party	Gan Kim Yong Low Yen Ling Yee Chia Hsing Zaqy Mohamad	84,850	76.91 / 100	76 / 100	0.02	15.71	53.82%
				People's Power Party	Goh Meng Seng Lee Tze Shih Low Wai Choo Syafarin Bin Sarif	25,475	23.09 / 100	24 / 100	0.02	15.71
East Coast GRC	4	99,118		People's Action Party	Lee Yi Shyan Lim Swee Say Mohd Maliki Bin Osman Jessica Tan	55,093	60.73 / 100	61 / 100		5.90	21.46%
				Workers' Party	Daniel Goh[a] Gerald Giam Leon Perera[a] Mohamed Fairoz Bin Shariff	35,622	39.27 / 100	39 / 100		5.90
Holland–Bukit Timah GRC	4	104,491		People's Action Party	Vivian Balakrishnan Christopher de Souza Liang Eng Hwa Sim Ann	62,786	66.60 / 100	66 / 100	0.02	6.52	33.20%
				Singapore Democratic Party	Chee Soon Juan Paul Tambyah Chong Wai Fung Sidek Mallek Sidek	31,494	33.40 / 100	34 / 100	0.02	6.52
Jalan Besar GRC	4	102,540		People's Action Party	Heng Chee How Lily Neo Denise Phua Yaacob Ibrahim	63,644	67.75 / 100	67 / 100	0.02	N/A	35.50%
				Workers' Party	Frieda Chan L Somasundaram Redzwan Hafidz Abdul Razak Adrian Sim	30,302	32.25 / 100	33 / 100	0.02	N/A
Marsiling–Yew Tee GRC	4	107,599		People's Action Party	Halimah Yacob Ong Teng Koon Alex Yam Lawrence Wong	68,546	68.73 / 100	69 / 100		N/A	37.46%
				Singapore Democratic Party	Damanhuri Bin Abas Bryan Lim John Tan Wong Souk Yee	31,185	31.27 / 100	31 / 100		N/A
West Coast GRC	4	99,300		People's Action Party	Foo Mee Har Lim Hng Kiang S. Iswaran Patrick Tay	71,214	78.57 / 100	78 / 100		12.00	57.14%
				Reform Party	Kenneth Jeyaretnam Noraini Yunus Darren Soh Andy Zhu	19,426	21.43 / 100	22 / 100		12.00
Aljunied GRC	5	148,142		Workers' Party	Low Thia Khiang Pritam Singh Sylvia Lim Faisal Manap Chen Show Mao	70,050	50.96 / 100	52 / 100	0.01	3.76	1.92%
				People's Action Party	Yeo Guat Kwang Victor Lye Shamsul Kamar bin Mohamed Razali Chua Eng Leong Murali Pillai	67,424	49.04 / 100	48 / 100	0.01	3.76
Bishan–Toa Payoh GRC	5	129,975		People's Action Party	Ng Eng Hen Josephine Teo Chee Hong Tat Chong Kee Hiong Saktiandi Supaat	86,701	73.59 / 100	74 / 100		16.66	47.18%
				Singapore People's Party	Benjamin Pwee Law Kim Hwee Bryan Long Mohamad Abdillah Bin Zamzuri Mohamad Hamim Aliyas	31,108	26.41 / 100	26 / 100		16.66
Jurong GRC	5	130,498		People's Action Party	Tharman Shanmugaratnam Ang Wei Neng Desmond Lee Rahayu Mahzam Tan Wu Meng	95,228	79.29 / 100	78 / 100	0.01	12.33	58.58%
				Singaporeans First	David Foo Sukdeu Singh Ann Tan Peng Wong Chee Wai Wong Soon Hong	24,869	20.71 / 100	22 / 100	0.01	12.33
Marine Parade GRC	5	146,244		People's Action Party	Goh Chok Tong Fatimah Lateef Seah Kian Peng Tan Chuan-Jin Edwin Tong	85,138	64.07 / 100	65 / 100		7.43	28.14%
				Workers' Party	Yee Jenn Jong He Ting Ru Firuz Khan Dylan Ng Terence Tan	47,753	35.93 / 100	35 / 100		7.43
Nee Soon GRC	5	132,289		People's Action Party	K. Shanmugam Henry Kwek Lee Bee Wah Muhammad Faishal Ibrahim Louis Ng	82,287	66.83 / 100	67 / 100		8.43	33.76%
				Workers' Party	Kenneth Foo Gurmit Singh Sadhu Singh Luke Koh Cheryl Loh Ron Tan	40,841	33.17 / 100	33 / 100		8.43
Sembawang GRC	5	144,672		People's Action Party	Khaw Boon Wan Lim Wee Kiak Amrin Amin Ong Ye Kung Vikram Nair	96,718	72.28 / 100	72 / 100		8.38	44.56%
				National Solidarity Party	Abdul Rasheed Abdul Kuthus Kevryn Lim Spencer Ng Yadzeth Bin Haris Eugene Yeo	37,087	27.72 / 100	28 / 100		8.38
Tampines GRC	5	143,518		People's Action Party	Heng Swee Keat Baey Yam Keng Cheng Li Hui Desmond Choo Masagos Zulkifli	95,305	72.07 / 100	72 / 100	0.01	14.85	44.14%
				National Solidarity Party	Lim Tean Choong Hon Heng Fong Chin Leong Nor Lella Sebastian Teo	36,943	27.93 / 100	28 / 100	0.01	14.85
Tanjong Pagar GRC	5	130,752		People's Action Party	Chan Chun Sing Chia Shi-Lu Indranee Rajah Joan Pereira Melvin Yong	90,635	77.71 / 100	78 / 100		N/A	55.42%
				Singaporeans First	Tan Jee Say Ang Yong Guan Chirag Praful Desai Melvyn Chiu Mohamad Fahmi Bin Ahmad Rais	25,998	22.29 / 100	22 / 100		N/A
Ang Mo Kio GRC	6	187,771		People's Action Party	Lee Hsien Loong Ang Hin Kee Darryl David Gan Thiam Poh Intan Azura Mokhtar Koh Poh Koon	135,316	78.64 / 100	78 / 100	0.01	9.31	57.28%
				Reform Party	Gilbert Goh Jesse Loo Roy Ngerng Osman Sulaiman M Ravi Siva Chandran	36,758	21.36 / 100	22 / 100	0.01	9.31
Pasir Ris–Punggol GRC	6	187,396		People's Action Party	Teo Chee Hean Janil Puthucheary Ng Chee Meng Sun Xueling Teo Ser Luck Zainal Sapari	125,166	72.89 / 100	73 / 100		8.10	45.78%
				Singapore Democratic Alliance	Abu Mohamed Harminder Pal Singh Desmond Lim Arthero Lim Ong Teik Seng Wong Way Weng	46,550	27.11 / 100	27 / 100		8.10

• Constituencies with no comparison to 2011 were either due to them being new constituencies or the constituencies experiencing walkovers in the last election, unless otherwise stated.

#	Constituency	People's Action Party			Opposition
		Votes	%	Swing		Votes	%	Swing
1	Jurong GRC	95,080	79.28	12.32	Singaporeans First	24,848	20.72	12.32
2	Ang Mo Kio GRC	135,115	78.63	9.3	Reform Party	36,711	21.37	9.3
3	West Coast GRC	71,091	78.57	12	Reform Party	19,392	21.43	12
4	Tanjong Pagar GRC	90,635	77.71	Walkover	Singaporeans First	25,998	22.29	Walkover
5	Radin Mas SMC	20,230	77.25	10.15	Reform Party	3,329	12.71	10.15
					Independent	2,629	10.04
6	Chua Chu Kang GRC	84,731	76.89	15.69	People's Power Party	25,460	23.11	15.69
7	Pioneer SMC	17,994	76.34	15.61	National Solidarity Party	5,578	23.66	15.61
8	Hong Kah North SMC	19,612	74.76	4.15	Singapore People's Party	6,621	25.24	4.15
9	Bishan–Toa Payoh GRC	86,514	73.59	16.66	Singapore People's Party	31,049	26.41	16.66
10	Yuhua SMC	15,298	73.54	6.68	Singapore Democratic Party	5,505	26.46	6.68

#	Constituency	Opposition				People's Action Party
		Party	Votes	%	Swing	Votes	%	Swing
1	Hougang SMC[b]	Workers' Party	13,012	57.66	7.14	9,543	42.34	7.14
2	Aljunied GRC	Workers' Party	69,929	50.95	3.77	67,317	49.05	3.77
3	Punggol East SMC[c]	Workers' Party	15,801	48.24	2.78	16,957	51.76	2.78
4	Fengshan SMC	Workers' Party	9,158	42.48	New	12,398	57.52	New
5	East Coast GRC	Workers' Party	35,547	39.27	5.9	54,981	60.73	5.9
6	Sengkang West SMC	Workers' Party	10,716	37.89	4	17,564	62.11	4
7	Marine Parade GRC	Workers' Party	47,629	35.93	7.43	84,939	64.07	7.43
8	MacPherson SMC[d]	Workers' Party	8,826	33.60	New	17,227	65.58	New
9	Potong Pasir SMC	Singapore People's Party	5,353	33.59	16.05	10,581	66.41	16.05
10	Holland–Bukit Timah GRC	Singapore Democratic Party	31,380	33.38	6.54	62,630	66.62	6.54

• Only the following constituencies may be compared with 2011 results as they existed in both elections, although most had changes in their electoral boundaries.^[e]

#	Constituency	2011 %	2015 %	Swing
1	Bishan–Toa Payoh GRC	56.93%	73.59%	16.66%
2	Potong Pasir SMC	50.36%	66.41%	16.05%
3	Chua Chu Kang GRC	61.20%	76.89%	15.69%
4	Pioneer SMC	60.73%	76.35%	15.62%
5	Tampines GRC	57.22%	72.06%	14.84%
6	Mountbatten SMC	15,290	71.84%	13.22%
7	Jurong GRC	66.96%	79.28%	12.32%
8	West Coast GRC	66.57%	78.57%	12.00%
9	Radin Mas SMC	67.10%	77.25%	10.15%
10	Ang Mo Kio GRC	69.33%	78.63%	9.30%

• The list will contain only the opposition parties that have challenged the same constituency in the 2015 election, and may be compared with 2015 results as they existed in both elections, although most had changes in their electoral boundaries.^[f][g]

#	Party	Constituency	2011 %	2015 %	Swing
1	Singapore People's Party	Bishan–Toa Payoh GRC	43.07%	26.41%	16.66%
2	Singapore People's Party	Potong Pasir SMC	40.64%	33.59%	16.05%
3	National Solidarity Party	Pioneer SMC	39.27%	23.65%	15.62%
4	National Solidarity Party	Tampines GRC	42.78%	27.93%	14.84%
5	Reform Party	West Coast GRC	33.43%	21.43%	12.00%
6	Reform Party	Ang Mo Kio GRC	30.67%	21.36%	9.31%
7	Workers' Party	Nee Soon GRC	41.60%	33.17%	8.43%
8	Singapore Democratic Alliance	Pasir Ris-Punggol GRC	35.21%	27.11%	8.10%
9	Workers' Party	Punggol East SMC	41.01%[c]	48.23%	7.22%
10	Workers' Party	Hougang SMC	64.80%[b]	57.66%	7.14%

• Vote counts below are for votes cast in Singapore only and exclude votes cast overseas.

#	Constituency	People's Action Party			Opposition
		Actual %	Sample %	Accuracy	Party	Actual %	Sample %	Accuracy
1	Tampines GRC	72.06%	72%	0.06%	National Solidarity Party	27.94%	28%	0.06%
2	Pasir Ris-Punggol GRC	72.89%	73%	0.11%	Singapore Democratic Alliance	27.11%	27%	0.11%
3	Mountbatten SMC	71.84%	72%	0.16%	Singapore People's Party	28.16%	28%	0.16%
4	Nee Soon GRC	66.83%	67%	0.17%	Workers' Party	33.17%	33%	0.17%
5	Radin Mas SMC	77.25%	77%	0.25%	Reform Party	12.71%	14%	1.29%
					Independent	10.04%	9%	1.04%
6	East Coast GRC	60.73%	61%	0.27%	Workers' Party	39.27%	39%	0.27%
7	Marsiling–Yew Tee GRC	68.73%	69%	0.27%	Singapore Democratic Party	31.27%	31%	0.27%
8	Sembawang GRC	72.28%	72%	0.28%	National Solidarity Party	27.72%	28%	0.28%
9	Tanjong Pagar GRC	77.71%	78%	0.29%	Singaporeans First	22.29%	22%	0.29%
10	Hougang SMC	42.31%	42%	0.31%	Workers' Party	57.69%	58%	0.31%
11	Bishan–Toa Payoh GRC	73.59%	74%	0.41%	Singapore People's Party	26.41%	26%	0.41%
12	Fengshan SMC	57.52%	57%	0.42%	Workers' Party	42.48%	42%	0.42%
13	West Coast GRC	78.57%	78%	0.57%	Reform Party	21.43%	22%	0.57%
14	Bukit Panjang SMC	68.38%	69%	0.62%	Singapore Democratic Party	31.62%	31%	0.62%
15	Holland–Bukit Timah GRC	66.62%	66%	0.62%	Singapore Democratic Party	33.38%	34%	0.62%
16	Ang Mo Kio GRC	78.63%	78%	0.63%	Reform Party	21.37%	22%	0.63%
17	Jalan Besar GRC	67.73%	67%	0.73%	Workers' Party	32.27%	33%	0.73%
18	Hong Kah North SMC	74.76%	74%	0.76%	Singapore People's Party	25.24%	26%	0.76%
19	Punggol East SMC	51.76%	51%	0.76%	Workers' Party	48.24%	49%	0.76%
20	Chua Chu Kang GRC	76.89%	76%	0.89%	People's Power Party	23.11%	24%	0.89%
21	Sengkang West SMC	62.11%	63%	0.89%	Workers' Party	37.89%	37%	0.89%
22	Marine Parade GRC	64.07%	65%	0.93%	Workers' Party	35.93%	35%	0.93%
23	Bukit Batok SMC	73.00%	74%	1%	Singapore Democratic Party	26.40%	26%	0.4%
					Independent	0.60%	0%	0.6%
24	Aljunied GRC	49.05%	48%	1.05%	Workers' Party	50.95%	52%	1.05%
25	Jurong GRC	79.28%	78%	1.28%	Singaporeans First	20.72%	22%	1.28%
26	Yuhua SMC	73.54%	72%	1.54%	Singapore Democratic Party	26.46%	28%	1.54%
27	Potong Pasir SMC	66.41%	68%	1.59%	Singapore People's Party	33.59%	32%	1.59%
28	Pioneer SMC	76.34%	78%	1.66%	National Solidarity Party	23.66%	22%	1.66%
29	MacPherson SMC	65.58%	63%	2.58%	Workers' Party	33.60%	36%	2.4%
					National Solidarity Party	0.82	1%	0.18%

In their post-election conference byLee Hsien Loong, Lee told that the results are an endorsement and was "deeply humbled" on a strong mandate, with younger voters called it as an "important conclusion" from the polls. Lee also added that the election is a showing of "a strong signal of confidence" after his fatherKuan Yew'sdeath, and vowed to make a strong government announcing thecabinet reshuffle at due course. Lee also vowed to wrestle back Aljunied GRC and Hougang SMC at the next election, while also supported diverse voices as well.^[96] Deputy Prime MinisterTharman Shanmugaratnam, being aware about the nationwide swing and his ward being the best-performing ward this election, felt that it did not read any fine differences due to an overlap between opposition proposals and PAP policies, but he also told that it "basically it's the same agenda".^[97]

Two weeks after the election concluded, Lee announced that two existing MPs and five fresh MPs were included in hisfourth Cabinet. They were Parliamentary secretariesAmrin Amin andBaey Yam Keng, Ministers of StateChee Hong Tat,Janil Puthucheary andKoh Poh Koon, and actingEducation ministersNg Chee Meng andOng Ye Kung. It was also announced that two Coordinating Minister portfolios, for a total of three, will also be included, which wereTransport ministerKhaw Boon Wan (forInfrastructure) andDeputy Prime MinistersTeo Chee Hean (forNational Security) andTharman Shanmugaratnam (forEconomic and Social Policies). Six existing minister's portfolios are also reassigned, with the most notable beingHeng Swee Keat who now assumed the role ofFinance.Lee Yi Shyan was the only office holder to step down from the office and returned to abackbencher.^[98][99] The cabinet was sworn on 1 October, and the 13th Parliament commenced on 15 January the following year.^[100]

Workers' Party's leaderLow Thia Khiang stated on media atHougang Stadium that they have "withstand" the nationwide swing and acknowledged the defeat ofPunggol East SMC and those other constituencies they contested, and Low reminded the PAP government to "build trust" and "act fairly" to every Singaporeans. Punggol East SMC MPLee Li Lian replied to media that she was "humbled" about her two-year experience as an MP and thanked their supporters and volunteers.Hougang SMC MPPng Eng Huat, who was re-elected for another term, while pledged that he would continue to serve his residents and represent in Parliament, he however disagreed that the vote swing may have been attributed to the ongoing Aljunied-Hougang-Punggol East Town Council funding scandals, which began in 2012.^[101] In the following morning, chairwomanSylvia Lim suggested that their swing either may have been attributed to PAP's strong mandate and concerned that the voters would felt that the government might be "dislodged" due to the opposition, or the competition where every seats are being contested which she described it as a "pushback".^[102][103]

ELD acknowledged that a recount saw WP won three out of five divisions ofAljunied GRC by about thousands of votes; the other two divisions,Paya Lebar'sMurali Pillai (who would later elect inBukit Batok SMCeight months later)^[104] andSerangoon'sYeo Guat Kwang, were voted in favour to PAP by hundreds of votes.^{[105][106][107]} Following the election, Aljunied-Hougang-Punggol East Town Council was renamed back to Aljunied-Hougang.^[108]

Under the current constitution, there are a minimum nine opposition members to serve in the upcoming Parliament (which was later raised to 12 when the Parliament opens and the amendment was made on 27 January 2016),^[109] and while WP managed to elect six MPs, WP gained an additional three seats ofNon-constituency Member of Parliament, with the best losers given to Lee,Fengshan SMC'sDennis Tan, and one seat forEast Coast GRC, given toLeon Perera.^[110][111] On 16 September 2015, Lee declined the position, making her the first candidate since1984 to formally do so, while Tan and Perera took up. On 18 January 2016, WP filled a motion to allowDaniel Goh to take her place as NCMP.^[112] The motion was passed by the legislature, and Goh was later sworn in on 5 February 2016.^[113] With these allocation, the13th Parliament marked the first time since 1986 where there are onlytwo parties represented the Parliament; it also marked the end of the presence ofSingapore People's Party since their debut in 1997 and the presence of the Chiam's family since 1984.

Responding toCharles Chong's allegations of missing town council funds,Png Eng Huat, vice-chairman of the AHTC, asked Chong about the missing money. Png said that Chong replied that he had explained but there was no explanation given.^[114] In February 2018, Png in a Facebook post, said Aljunied-Hougang Town Council (AHTC which had managed Punggol East SMC from 2013 to 2015) had resolved all its accounting lapses^[115] and $22.8 million to $26.3 million attributed to Punggol East is in its every financial statement since 2013.^[114] Pasir Ris-Punggol Town Council also had an unqualified financial statement for the 2016/2017 financial year which "means there was no such missing money else the accounts would be qualified".^[114] While interviewed byThe Straits Times, Chong said the AHTC's financial statements were all qualified by their own auditors and questioned about an ongoing court case by AHTC against its town councillors.^[114]

By 11 October 2019, towards the end of the term, theHigh Court of Singapore found WP members and town councillors, and FMSS, guilty for breaching their duties and were liable for damages, citing that their leaders had "put political interests above that" of AHTC and residents;^[116] and on 5 November, they had since lodged a successfulappeal^[117] and were awarded costs for their appeals in 2023.^[118][119]

WhileSingapore Democratic Party was among the first parties to launch their campaigns dating back in January with alternative policies, their party's refreshed image, and the return ofChee Soon Juan, their party still unable to win any seats since their last win dated back in1991. Chee told on their media after the election cited that their party came from a "deep trough" and told they have seen a "good trajectory" given they have taken advantage on using internet and social media. Chee also noted that their task ahead is not just winning the voter's hearts and minds but encouraged open policies as well. In another interview on 13 September, Chee raised his possibility on working with WP in the future.^[120][121] Likewise,Reform Party's chiefKenneth Jeyaretnam respected the outcome, added that the voters "got the government they deserve" and reminded he will not "want to hear any more complaints".^[122][123]

Overseas votes were counted on 15 September, four days after the elections. ELD announced that the turnout was 3,415 (out of 4,868), and 52 votes have been rejected overall. All but two of the constituencies had voted in line with PAP-winning candidates (there were 2,399 votes), except for Aljunied GRC (which WP won the overseas vote) and Hougang SMC (which PAP won the overseas vote despite its loss), and the final popular vote for the PAP was untouched at 69.86%. All but 11 constituencies had a final percentage adjusted by no more than 0.04%, with the exceptions being Bishan-Toa Payoh GRC, Bukit Panjang SMC, East Coast GRC, Hong Kah North SMC, Marine Parade GRC, Marsiling-Yew Tee GRC, Nee Soon GRC, Pasir Ris-Punggol GRC, Sembawang GRC, Tanjong Pagar GRC and West Coast GRC, and one candidate for each of the three-cornered contests (Independent candidate Samir Salim Neji in Bukit Batok SMC, NSP's Cheo Chai Chen in MacPherson SMC, and PAP's Sam Tan in Radin Mas SMC). ELD also added that Samir and Cheo received none of the overseas votes. The counting was held at the ELD Training Centre in Victoria Street under witness of several candidates such asYee Jenn Jong.^[79][80]

• Elections in Singapore
• 2016 Bukit Batok by-election – the only by-election held within a year after the election

Wikimedia Commons has media related toSingaporean general election, 2015.

• Battleground Singapore: Who's standing where - an interactive map of the 2015 boundaries and changes explained in maps.
• From Nomination Day to Polling Day: Election calendar and rally schedule - an interactive calendar of all the key events and rally schedules for the #GE2015 campaign period from Nomination Day to Polling Day. It also serves as an archive of key photos from each rally and the related ST article.
• Who will be your next MP? - the complete list of all 181 candidates. Includes personal information, their latest tweet, results from previous elections or a Q&A if they are a new candidate.
• GE2015 Candidates - an interactive visualisation of the election candidates showing parties, wards, and diversity representation.
• SG Elections - Interactive maps showing data for differences in vote shares, non-voters, spoiled votes, districts by candidates, etc.
• #GE2015 Social media dashboard - this is a visual representation of the social media trends that fluctuate over the 10-day period of campaigning. There are two graphs updated in real-time, a selected feature of popular tweets and the last 80 Instagram pictures tagged #GE2015.
• GE2015: Live results and full analysis

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