Subregions in Oceania by population (2025)

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

# Region Population
(2025)
Yearly
Change
Net
Change
Density
(P/Km²)
Area
(Km²)
Migrants
(net)
Fert.
Rate
Median
Age
Urban
Pop %
World
Share
1 Australia and New Zealand 32,225,925 0.94% 298,776 4 7,945,610 154,511 1.64 38.2 86% 0.39%
2 Melanesia 13,165,119 1.7% 220,219 25 529,590 −1,553 2.99 23.1 18.4% 0.16%
3 Polynesia 689,919 0.03% 175 85 8,090 −7,958 2.5 27.8 46.5% 0.0084%
4 Micronesia 528,681 0.33% 1,758 167 3,170 −4,879 2.79 26.5 75.2% 0.0064%

Oceania Population by Subregion in 1950

# Region Population
(2025)
World
Share
1 Australia and New Zealand 10,088,013 0.40%
2 Melanesia 2,076,908 0.083%
3 Polynesia 255,407 0.010%
4 Micronesia 161,716 0.0065%

Oceania Population by Subregion in 2050

# Region Population
(2025)
World
Share
1 Australia and New Zealand 38,262,257 0.40%
2 Melanesia 18,090,929 0.19%
3 Polynesia 735,268 0.0076%
4 Micronesia 599,723 0.0062%