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Bukit Panjang
Single Member constituency for theParliament of Singapore
Region	West Region, Singapore
Electorate	33,596
Current constituency
Created	1955; 70 years ago (1955)
Seats	1
Party	People's Action Party
Member	Liang Eng Hwa
Town Council	Holland–Bukit Panjang
Merged	1991
Merged to	Sembawang GRC
Reformed	2006
Reformed from	Holland–Bukit Panjang GRC

TheBukit Panjang Single Member Constituency^[a] is asingle-member constituency (SMC) situated in the northwestern part ofSingapore. It is managed by Holland–Bukit PanjangTown Council (HBPTC). The currentMember of Parliament (MP) for the SMC isLiang Eng Hwa from the governingPeople's Action Party (PAP).

Bukit Panjang Constituency was established for the1955 general election. Goh Tong Liang from theProgressive Party (PP) defeated Lim Wee Toh from theLabour Front (LF).^[2]

In the subsequent1959 general election,Lee Khoon Choy from the PAP won 58.31% of the vote in a four-way contest involving theLiberal Socialist Party (LSP), theSingapore People's Alliance (SPA) and theMalayan Indian Congress (MIC).^[3] The PAP, however, lost the seat in the1963 general election toBarisan Sosialis (BS), founded by the former left-wing faction of the PAP. Ong Lian Teng, father of future PAP ministerOng Ye Kung, was elected.^[4] The PAP regained the seat in a walkover at one of five1967 by-elections after all BS MPs resigned as part of a boycott, protesting the legitimacy of the government following Singapore's independence.^[5]

Following the by-election, the PAP continued to hold the constituency, withP. Selvadurai serving as its MP until the1972 general election. He was then fielded inKuo Chuan Constituency and succeeded by Lee Yiok Seng in Bukit Panjang. In that election, Lee won with 67.65% of the vote, defeatingWorkers' Party (WP) candidate Tang Song Khiang and United National Front (UNF) candidate Leyu Tan Jib, who secured 24.82% and 7.53% respectively.

At the1988 general election, with the introduction ofGroup Representation Constituencies (GRCs), the seat was formally designated asBukit Panjang Single Member Constituency.^[6]

Lee continued to serve as MP until the constituency was abolished and merged intoSembawang GRC in the1991 general election.

From 1991 to 2006, Bukit Panjang SMC did not exist. It was reinstated during the electoral boundary review ahead of the2006 general election. The reconstituted seat was formed from parts of the formerHolland–Bukit Panjang GRC, which had absorbed the area in the2001 general election.^[7] At the same time, Holland–Bukit Panjang GRC was dissolved in favour ofHolland–Bukit Timah GRC.

Ahead of the2020 general election, incumbent PAP MPTeo Ho Pin announced his retirement from politics.^[8] The PAP nominatedLiang Eng Hwa, then-MP for the Zhenghua division of Holland–Bukit Timah GRC. TheSingapore Democratic Party (SDP) contested the seat with infectious diseases expertPaul Tambyah as its candidate. Liang won with 53.74% of the vote, defeating Tambyah by 2,509 votes.^[9]

In March 2025, it was confirmed that both candidates would stand again in the2025 general election.^[10] Liang was re-elected with an increased vote share of 61.41%, in line with a broader national swing towards the PAP.^[11][12]

Bukit Panjang Single Member Constituency is located in the north western part of Singapore and covers much of the Bukit Panjang planning area. It includes the subzones of Fajar and Bangkit with theBukit Panjang LRT line running through the constituency. LRT stations such as Fajar, Bangkit and Pending serve the area. The constituency is mainly residential with local amenities like Bukit Panjang Hawker Centre and Market, Bangkit Market and Fajar Shopping Centre. The constituency also features community and recreational facilities such as Bukit Panjang Community Club andAl Iman Mosque. Parts of the Rail Corridor nearZhenghua Park lie within its boundaries.^[13][14]

Note: TheElections Department does not include rejected votes when calculating the vote shares of candidates. Hence, all candidates' vote shares will total to 100% at any given election (may not appear so in multi-way contests due to rounding).

General Election 1959^[17][18]

Party		Candidate	Votes	%	±%
	PAP	Lee Khoon Choy	6,156	58.14	N/A
	LSP	Tan Leong Teck	2,494	23.55	N/A
	SPA	Lim Siak Guan	1,382	13.05	N/A
	MIC	T. T. K. Alexander	526	4.96	N/A
Majority			3,662	34.59	9.83
Total valid votes			10,588	99.45	0.97
Rejected ballots			89	0.55	0.97
Turnout			10,647	88.84	34.44
Registered electors			11,984		49.58
	PAPgain fromLSP

Note: The MIC was allied with the Singaporean branches of UMNO and MCA, similar to its Malaysian counterpart, but did not use the alliance symbol. As a result, the Elections Department Singapore classified T. T. K. Alexander as an independent candidate.

General Election 1963^[19][20]

Party		Candidate	Votes	%	±%
	BS	Ong Lian Teng	5,679	46.45	N/A
	PAP	Lee Khoon Choy	4,940	40.41	17.9
	SA	Loo Bah Chit	999	8.17	9.84
	UPP	Thuan Paik Phok	607	4.97	N/A
Majority			739	6.04	28.55
Total valid votes			12,225	98.93	0.52
Rejected ballots			132	1.07	0.52
Turnout			12,357	95.07	6.23
Registered electors			12,997		8.45
	BSgain fromPAP		Swing	46.5

By-election 1967^[21]

Party		Candidate	Votes	%	±%
	PAP	P. Selvadurai	Unopposed
Registered electors			16,070		23.64
	PAPgain fromBS

General Election 1968^[22]

Party		Candidate	Votes	%	±%
	PAP	P. Selvadurai	Unopposed
Registered electors			17,893		11.34
	PAPhold

General Election 1972^[23][24]

Party		Candidate	Votes	%	±%
	PAP	Lee Yiok Seng	9,527	67.65	N/A
	WP	Tang Song Khiang	3,496	24.82	N/A
	United National Front	Leyu Tan Jib	1,060	7.53	N/A
Majority			6,031	42.83	N/A
Total valid votes			14,083	97.73	N/A
Rejected ballots			327	2.27	N/A
Turnout			14,410	93.20	N/A
Registered electors			15,461		13.59
	PAPhold

General Election 1976^[25][26]

Party		Candidate	Votes	%	±%
	PAP	Lee Yiok Seng	11,867	67.43	0.22
	WP	Ho Juan Thai	5,731	32.57	7.75
Majority			6,136	34.86	7.97
Total valid votes			17,598	97.57	0.16
Rejected ballots			438	2.43	0.16
Registered electors			18,906		22.28
Turnout			18,036	95.40	2.20
	PAPhold		Swing	0.22

General Election 1980^[27][28]

Party		Candidate	Votes	%	±%
	PAP	Lee Yiok Seng	18,510	87.03	19.60
	United People's Front	Mohamad Sani bin Jan	2,759	12.97	13.0
Majority			15,751	74.0	39.2
Total valid votes			21,269	96.59	0.98
Rejected ballots			750	3.41	0.98
Turnout			22,019	94.48	0.92
Registered electors			23,305		23.27
	PAPhold		Swing	19.60

General Election 1984^[29]

Party		Candidate	Votes	%	±%
	PAP	Lee Yiok Seng	Unopposed
Registered electors			23,173		0.56
	PAPhold

General Election 1988^[30][31]

Party		Candidate	Votes	%	±%
	PAP	Lee Yiok Seng	18,314	57.28	N/A
	SDP	Kwek Guan Kwee	9,864	30.86	N/A
	PKMS	Ibrahim bin Ariff	3,790	11.86	N/A
Majority			8,450	26.42	N/A
Total valid votes			31,968	98.16	N/A
Rejected ballots			599	1.84	N/A
Turnout			32,567	96.28	N/A
Registered electors			33,824		45.96
	PAPhold

General Election 2011^[34][35]

Party		Candidate	Votes	%	±%
	PAP	Teo Ho Pin	20,375	66.27	10.92
	SDP	Alec Tok	10,372	33.73	10.92
Majority			10,003	32.54	21.82
Total valid votes			30,747	96.59	0.98
Rejected ballots			745	3.41	0.98
Registered electors			33,053		8.54
Turnout			31,492	95.28	0.23
	PAPhold		Swing	10.92

General Election 2015^[36][37]

Party		Candidate	Votes	%	±%
	PAP	Teo Ho Pin	21,954	68.38	2.11
	SDP	Khung Wai Yeen	10,152	31.62	2.11
Majority			11,792	36.76	4.22
Total valid votes			32,106	98.17	1.50
Rejected ballots			626	1.91	1.50
Turnout			32,704	95.30	0.02
Registered electors			34,317		3.82
	PAPhold		Swing	2.11

General Election 2020^[38][39]

Party		Candidate	Votes	%	±%
	PAP	Liang Eng Hwa	18,085	53.73	14.65
	SDP	Paul Tambyah	15,576	46.27	14.65
Majority			2,509	7.46	29.30
Total valid votes			33,661	98.29	0.12
Rejected ballots			586	1.71	0.12
Turnout			34,247	96.64	1.34
Registered electors			35,437		3.26
	PAPhold		Swing	14.65

General Election 2025^[40]

Party		Candidate	Votes	%	±%
	PAP	Liang Eng Hwa	19,152	61.38	7.65
	SDP	Paul Tambyah	12,051	38.62	7.65
Majority			7,101	22.76	15.30
Total valid votes			31,203	98.89	0.60
Rejected ballots			350	1.11	0.60
Turnout			31,553	93.92	2.72
Registered electors			33,596		5.20
	PAPhold		Swing	7.65

• 
  Bukit Panjang constituency for the 1955 general election to theLegislative Assembly

• Parliamentary General Election results (Govtech Data)

• Singaporean electoral divisions
• Bukit Panjang
• 1955 establishments in Singapore
• 2006 establishments in Singapore
• 1991 disestablishments in Singapore
• Constituencies established in 1955
• Constituencies established in 2006
• Constituencies disestablished in 1991

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