This is alist of Oceanian countries and dependencies by population inOceania, which includesAustralasia,Melanesia,Micronesia, andPolynesia. Projections are from theUnited Nations^[1] and official figures are from thePacific Community^[2] and other official sources.

	Country / dependency	% total	Oceania[1] population	% growth	Official figure	Official date
1	Australia	50.2%	26,439,112	1.0%	26,598,311	31 Dec 2022[6]
2	Papua New Guinea	19.6%	10,329,931	1.8%	10,329,931	23 Jun 2022[2]
	Western New Guinea (ID)	10.7%	5,628,545	0.5%	5,628,545	30 Jun 2023[3][4]
3	New Zealand	9.9%	5,228,100	0.8%	5,177,574	31 Mar 2023[7]
	Hawaii (US)	2.7%	1,440,196	-0.1%	1,440,196	1 Jul 2022[5]	[a]
4	Fiji	1.8%	936,376	0.7%	901,603	23 Jun 2022[2]
5	Solomon Islands	1.4%	740,425	2.2%	744,407	24 Jun 2022[2]
6	Vanuatu	0.6%	334,506	2.4%	307,941	25 Jun 2022[2]
	French Polynesia (FR)	0.6%	308,872	0.8%	280,855	26 Jun 2022[2]
	New Caledonia (FR)	0.6%	292,991	1.0%	274,330	27 Jun 2022[2]
7	Samoa	0.4%	225,681	1.5%	200,999	28 Jun 2022[2]
	Guam (US)	0.3%	172,952	0.7%	153,836	1 Apr 2020[8]
8	Kiribati	0.3%	133,515	1.7%	122,735	23 Jun 2022[2]
9	Micronesia	0.2%	115,224	0.9%	105,987	23 Jun 2022[2]
10	Tonga	0.2%	107,773	0.9%	100,179	30 Nov 2021[9]
	Northern Mariana Islands (US)	0.1%	49,796	0.5%	47,329	1 Apr 2020[10]
	American Samoa (US)	0.1%	43,915	-0.8%	49,710	1 Apr 2020[11]
11	Marshall Islands	0.1%	41,996	1.0%	39,262	7 Jul 2021[12]
12	Palau	0.03%	18,058	0.0%	16,733	1 Jul 2021[13]
13	Cook Islands	0.03%	17,044	0.2%	15,040	1 Dec 2021[14]
14	Nauru	0.02%	12,780	0.9%	11,832	23 Jun 2022[2]
	Wallis and Futuna (FR)	0.02%	11,502	-0.6%	11,369	23 Jun 2022[2]
15	Tuvalu	0.02%	11,396	0.7%	10,679	23 Jun 2022[2]
	Easter Island (CL)	0.02%	8,743	1.7%	8,743	1 Jul 2023[15]
16	Niue	0.004%	1,935	0.1%	1,549	23 Jun 2022[2]
	Tokelau (NZ)	0.004%	1,893	1.2%	1,647	12 Dec 2019[16]
	Pitcairn Islands (UK)	0.0001%	50	0.0%	50	1 Jul 2020[17]
	Total	100%	52,653,307	1.1%	52,581,372

• List of Oceanian countries by area
• List of Oceanian countries by life expectancy

• Demographics of Oceania
• Lists of countries in Oceania
• Lists of countries by continent and population

• Articles with short description
• Short description is different from Wikidata