Kenya vs Tanzania
Tanzania has 1.2× the population of Kenya: 70,545,865 vs 57,532,493, a gap of 13.0 million. Tanzania is growing faster (+2.86% vs +1.93% a year), adding about 2,014,190 people a year against +1,110,192. At these source-year rates the modelled relative population gap is widening. People in Tanzania live 3.4 years longer on average (67.2 vs 63.8). GDP per capita is 1.8× higher in Kenya ($2,363 vs $1,319).
Country/territory population bases: World Bank 2025 (Kenya) and 2025 (Tanzania); growth years 2025 / 2025. Annual source values, not live counts; years may differ. Growth is national, not local.
Kenya vs Tanzania — side by side
 Kenya |  Tanzania | |
|---|---|---|
| Population | 57,532,4932025 | 70,545,8652025 |
| Growth rate / yr | +1.93%2025 | +2.86%2025 |
| Births per 1,000 | 27.02024 | 34.82024 |
| Deaths per 1,000 | 7.22024 | 5.72024 |
| Children per woman | 3.172024 | 4.542024 |
| Life expectancy | 63.8 yrs2024 | 67.2 yrs2024 |
| Aged 0–14 | 36.3%2025 | 42.3%2025 |
| Aged 65+ | 3.0%2025 | 3.0%2025 |
| Density | 95.3 /km²2023 | 75.2 /km²2023 |
| Area | 591,969 km²2023 | 947,300 km²2023 |
| Urban population | 32.2%2025 | 36.9%2025 |
| Net migration / yr | -27,3302025 | -12,7302025 |
| GDP per capita | $2,3632025 | $1,3192025 |
| Country population rank (available records) | #26 | #21 |
| Base / world population (World Bank 2025) | 0.70% | 0.86% |
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). Kenya: 7.5× from 1960 to 2025; Tanzania: 7.1× from 1960 to 2025. Left: absolute population. Right: each series indexed to its own first available year = 100; baseline years may differ.
More comparisons
Region: Sub-Saharan Africa · rankings
Kenya: Kenya vs India, Kenya vs China, Kenya vs United States, Kenya vs Indonesia, Kenya vs Pakistan, Kenya vs Nigeria, Kenya vs Brazil, Kenya vs Bangladesh.
Tanzania: Tanzania vs India, Tanzania vs China, Tanzania vs United States, Tanzania vs Indonesia, Tanzania vs Pakistan, Tanzania vs Nigeria, Tanzania vs Brazil, Tanzania vs Bangladesh.
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