Nauru vs Tuvalu
Nauru has 1.3× the population of Tuvalu: 12,025 vs 9,492, a gap of 2,533. Nauru is growing faster (+0.65% vs −1.61% a year), adding about 78 people a year against −153. At these source-year rates the modelled relative population gap is widening. Tuvalu is the older society: 7.0% aged 65+ against 3.0% in Nauru, while Nauru has more children (37.2% under 15 vs 33.0%). Nauru is 1.8× as densely populated (593.8 vs 327.2 people per km²). People in Tuvalu live 5.0 years longer on average (67.3 vs 62.3). GDP per capita is 2.4× higher in Nauru ($14,640 vs $6,041).
Country/territory population bases: World Bank 2025 (Nauru) and 2025 (Tuvalu); growth years 2025 / 2025. Annual source values, not live counts; years may differ. Growth is national, not local.
Nauru vs Tuvalu — side by side
 Nauru |  Tuvalu | |
|---|---|---|
| Population | 12,0252025 | 9,4922025 |
| Growth rate / yr | +0.65%2025 | −1.61%2025 |
| Births per 1,000 | 24.62024 | 22.02024 |
| Deaths per 1,000 | 7.62024 | 9.32024 |
| Children per woman | 3.292024 | 3.172024 |
| Life expectancy | 62.3 yrs2024 | 67.3 yrs2024 |
| Aged 0–14 | 37.2%2025 | 33.0%2025 |
| Aged 65+ | 3.0%2025 | 7.0%2025 |
| Density | 593.8 /km²2023 | 327.2 /km²2023 |
| Area | 20 km²2023 | 30 km²2023 |
| Urban population | 100.0%2025 | 65.4%2025 |
| Net migration / yr | -1222025 | -2552025 |
| GDP per capita | $14,6402025 | $6,0412025 |
| Country population rank (available records) | #216 | #217 |
| 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). Nauru: 2.6× from 1960 to 2025; Tuvalu: 1.7× 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
Nauru: Nauru vs San Marino, Nauru vs Saint Martin, Nauru vs Palau, Nauru vs Tuvalu.
Tuvalu: Tuvalu vs Saint Martin, Tuvalu vs Palau, Tuvalu vs Nauru.
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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.