Colombia vs Tanzania
Tanzania has 1.3× the population of Colombia: 70,545,865 vs 53,425,635, a gap of 17.1 million. Tanzania is growing faster (+2.86% vs +1.01% a year), adding about 2,014,190 people a year against +542,012. At these source-year rates the modelled relative population gap is widening. Colombia is the older society: 10.2% aged 65+ against 3.0% in Tanzania, while Tanzania has more children (42.3% under 15 vs 20.0%). Tanzania is 1.6× as densely populated (75.2 vs 47.2 people per km²). People in Colombia live 10.7 years longer on average (77.9 vs 67.2). GDP per capita is 6.5× higher in Colombia ($8,562 vs $1,319).
Country/territory population bases: World Bank 2025 (Colombia) and 2025 (Tanzania); growth years 2025 / 2025. Annual source values, not live counts; years may differ. Growth is national, not local.
Colombia vs Tanzania — side by side
 Colombia |  Tanzania | |
|---|---|---|
| Population | 53,425,6352025 | 70,545,8652025 |
| Growth rate / yr | +1.01%2025 | +2.86%2025 |
| Births per 1,000 | 13.32024 | 34.82024 |
| Deaths per 1,000 | 5.52024 | 5.72024 |
| Children per woman | 1.632024 | 4.542024 |
| Life expectancy | 77.9 yrs2024 | 67.2 yrs2024 |
| Aged 0–14 | 20.0%2025 | 42.3%2025 |
| Aged 65+ | 10.2%2025 | 3.0%2025 |
| Density | 47.2 /km²2023 | 75.2 /km²2023 |
| Area | 1,140,619 km²2023 | 947,300 km²2023 |
| Urban population | 78.8%2025 | 36.9%2025 |
| Net migration / yr | +129,1392025 | -12,7302025 |
| GDP per capita | $8,5622025 | $1,3192025 |
| Country population rank (available records) | #28 | #21 |
| Base / world population (World Bank 2025) | 0.65% | 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). Colombia: 3.4× 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
Regions: Latin America & Caribbean · Sub-Saharan Africa · rankings
Colombia: Colombia vs India, Colombia vs China, Colombia vs United States, Colombia vs Indonesia, Colombia vs Pakistan, Colombia vs Nigeria, Colombia vs Brazil, Colombia 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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