Nigeria vs South Korea
Nigeria has 4.6× the population of South Korea: 237,527,782 vs 51,684,564, a gap of 185.8 million. Nigeria is growing faster (+2.06% vs −0.13% a year), adding about 4,898,468 people a year against −66,458. At these source-year rates the modelled relative population gap is widening. South Korea is the older society: 20.3% aged 65+ against 3.1% in Nigeria, while Nigeria has more children (40.5% under 15 vs 10.2%). South Korea is 2.1× as densely populated (529.8 vs 250.2 people per km²). People in South Korea live 29.0 years longer on average (83.6 vs 54.6). GDP per capita is 29.6× higher in South Korea ($36,227 vs $1,224).
Country/territory population bases: World Bank 2025 (Nigeria) and 2025 (South Korea); growth years 2025 / 2025. Annual source values, not live counts; years may differ. Growth is national, not local.
Nigeria vs South Korea — side by side
 Nigeria |  South Korea | |
|---|---|---|
| Population | 237,527,7822025 | 51,684,5642025 |
| Growth rate / yr | +2.06%2025 | −0.13%2025 |
| Births per 1,000 | 32.52024 | 4.72024 |
| Deaths per 1,000 | 11.62024 | 7.02024 |
| Children per woman | 4.382024 | 0.752024 |
| Life expectancy | 54.6 yrs2024 | 83.6 yrs2024 |
| Aged 0–14 | 40.5%2025 | 10.2%2025 |
| Aged 65+ | 3.1%2025 | 20.3%2025 |
| Density | 250.2 /km²2023 | 529.8 /km²2023 |
| Area | 923,770 km²2023 | 100,450 km²2023 |
| Urban population | 63.8%2025 | 81.2%2025 |
| Net migration / yr | -15,2582025 | +65,7312025 |
| GDP per capita | $1,2242025 | $36,2272025 |
| Country population rank (available records) | #6 | #29 |
| Base / world population (World Bank 2025) | 2.89% | 0.63% |
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). Nigeria: 5.3× from 1960 to 2025; South Korea: 2.1× from 1960 to 2025. Left: absolute population. Right: each series indexed to its own first available year = 100; baseline years may differ.
More comparisons
Regions: Sub-Saharan Africa · East Asia & Pacific · rankings
Nigeria: Nigeria vs India, Nigeria vs China, Nigeria vs United States, Nigeria vs Indonesia, Nigeria vs Pakistan, Nigeria vs Brazil, Nigeria vs Bangladesh, Nigeria vs Russia.
South Korea: South Korea vs India, South Korea vs China, South Korea vs United States, South Korea vs Indonesia, South Korea vs Pakistan, South Korea vs Nigeria, South Korea vs Brazil, South Korea vs Bangladesh.
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