Oceania Countries by Population (2025)

Click on each country to view current estimates (live population clock), historical data, list of countries, and projected figures.

# Country (or
dependency)
Population
(2025)
Yearly
Change
Net
Change
Density
(P/Km²)
Land Area
(Km²)
Migrants
(net)
Fert.
Rate
Median
Age
Urban
Pop %
World
Share
1 Australia 26,974,026 0.98% 260,821 4 7,682,300 137,109 1.6 38 87% 0.33%
2 Papua New Guinea 10,762,817 1.76% 186,315 24 452,860 −284 3 23 13% 0.13%
3 New Zealand 5,251,899 0.73% 37,955 20 263,310 17,403 1.6 38 84% 0.064%
4 Fiji 933,154 0.47% 4,370 51 18,270 −3,288 2.2 28 61% 0.011%
5 Solomon Islands 838,645 2.37% 19,447 30 27,990 1,631 3.5 21 23% 0.010%
6 Vanuatu 335,169 2.26% 7,392 27 12,190 −52 3.5 20 25% 0.0041%
7 New Caledonia 295,333 0.92% 2,694 16 18,280 440 1.9 35 76% 0.0036%
8 French Polynesia 282,465 0.23% 658 77 3,660 −1,199 1.5 36 66% 0.0034%
9 Samoa 219,306 0.59% 1,287 77 2,830 −2,815 3.8 20 16% 0.0027%
10 Guam 168,999 0.73% 1,222 313 540 −493 2.7 31 99% 0.0021%
11 Kiribati 136,488 1.46% 1,970 169 810 −462 3.1 23 57% 0.0017%
12 Micronesia 113,683 0.46% 523 162 700 −1,125 2.7 23 23% 0.0014%
13 Tonga 103,742 −0.42% −433 144 720 −2,150 3.1 21 26% 0.0013%
14 American Samoa 46,029 −1.57% −736 230 200 −1,051 2.2 29 0.00056%
15 Northern Mariana Islands 43,541 −1.66% −737 95 460 −963 2.3 38 0.00053%
16 Marshall Islands 36,282 −3.37% −1,266 202 180 −1,698 2.8 20 0.00044%
17 Palau 17,663 −0.18% −32 38 460 −16 1.9 39 0.00021%
18 Cook Islands 13,263 −3.39% −466 55 240 −460 2 37 0.00016%
19 Nauru 12,025 0.65% 78 601 20 −122 3.2 20 94% 0.00015%
20 Wallis & Futuna 11,194 −0.74% −83 80 140 −83 1.4 38 0.00014%
21 Tuvalu 9,492 −1.6% −154 316 30 −255 3.1 24 86% 0.00012%
22 Tokelau 2,608 4.07% 102 261 10 53 2.6 27 0.000032%
23 Niue 1,821 0.11% 2 7 260 3 2.5 36 44% 0.000022%

Source: Worldometer (www.Worldometers.info)

Elaboration of data by United Nations, Department of Economic and Social Affairs, Population Division. World Population Prospects: The 2024 Revision. (Medium-fertility variant).