American Samoa vs Northern Mariana Islands
American Samoa has 6% more people than Northern Mariana Islands: 46,029 vs 43,541, a gap of 2,488. American Samoa is shrinking more slowly (−1.59% vs −1.68% a year), adding about -730 people a year against −731. At these source-year rates the modelled relative population gap is widening. Northern Mariana Islands is the older society: 10.8% aged 65+ against 8.5% in American Samoa, while American Samoa has more children (26.3% under 15 vs 21.2%). American Samoa is 2.4× as densely populated (237.6 vs 98.1 people per km²). People in Northern Mariana Islands live 6.0 years longer on average (78.9 vs 73.0). GDP per capita is 1.3× higher in Northern Mariana Islands ($23,786 vs $18,017).
Country/territory population bases: World Bank 2025 (American Samoa) and 2025 (Northern Mariana Islands); growth years 2025 / 2025. Annual source values, not live counts; years may differ. Growth is national, not local.
American Samoa vs Northern Mariana Islands — side by side
 American Samoa |  Northern Mariana Islands | |
|---|---|---|
| Population | 46,0292025 | 43,5412025 |
| Growth rate / yr | −1.59%2025 | −1.68%2025 |
| Births per 1,000 | 15.02024 | 12.12024 |
| Deaths per 1,000 | 7.32024 | 5.02024 |
| Children per woman | 2.272024 | 2.322024 |
| Life expectancy | 73.0 yrs2024 | 78.9 yrs2024 |
| Aged 0–14 | 26.3%2025 | 21.2%2025 |
| Aged 65+ | 8.5%2025 | 10.8%2025 |
| Density | 237.6 /km²2023 | 98.1 /km²2023 |
| Area | 200 km²2023 | 460 km²2023 |
| Urban population | 80.5%2025 | 92.2%2025 |
| Net migration / yr | -1,0512025 | -9632025 |
| GDP per capita | $18,0172022 | $23,7862022 |
| Country population rank (available records) | #205 | #207 |
| Base / world population (World Bank 2025) | 0.00% | 0.00% |
Highlighted cell = the higher value (not "better"). Small print under each value is its own data year. Source: World Bank; country/territory population bases may have different years. These are not live counts.
Population since 1960
World Bank population history (not the separate UN WPP timeline). American Samoa: 2.3× from 1960 to 2025; Northern Mariana Islands: 5.0× from 1960 to 2025. Left: absolute population. Right: each series indexed to its own first available year = 100; baseline years may differ.
More comparisons
Region: East Asia & Pacific · rankings
American Samoa: American Samoa vs Faroe Islands, American Samoa vs Saint Kitts and Nevis, American Samoa vs Turks and Caicos Islands, American Samoa vs Sint Maarten, American Samoa vs Northern Mariana Islands, American Samoa vs Liechtenstein.
Northern Mariana Islands: Northern Mariana Islands vs Turks and Caicos Islands, Northern Mariana Islands vs American Samoa, Northern Mariana Islands vs Sint Maarten, Northern Mariana Islands vs Liechtenstein, Northern Mariana Islands vs Gibraltar, Northern Mariana Islands vs British Virgin Islands.
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This page is a structured reference entry. Its sources, geographic definition and reference dates determine what the figures mean; it is not independent reporting about the causes of change. Read the accompanying explanation before comparing different places or vintages.