China vs Tanzania
China has 19.9× the population of Tanzania: 1,406,585,000 vs 70,545,865, a gap of 1.34 billion. Tanzania is growing faster (+2.86% vs −0.17% a year), adding about 2,014,190 people a year against −2,387,972. Using continuous exponential growth from the stated base year, if these rates held, Tanzania would overtake China in about 99 years (from the 2025 population bases, around 2124) — a projection, not a forecast. China is the older society: 14.9% aged 65+ against 3.0% in Tanzania, while Tanzania has more children (42.3% under 15 vs 15.4%). China is 2.0× as densely populated (150.3 vs 75.2 people per km²). People in China live 10.8 years longer on average (78.0 vs 67.2). GDP per capita is 10.5× higher in China ($13,862 vs $1,319).
Country/territory population bases: World Bank 2025 (China) and 2025 (Tanzania); growth years 2025 / 2025. Annual source values, not live counts; years may differ. Growth is national, not local.
China vs Tanzania — side by side
 China |  Tanzania | |
|---|---|---|
| Population | 1,406,585,0002025 | 70,545,8652025 |
| Growth rate / yr | −0.17%2025 | +2.86%2025 |
| Births per 1,000 | 6.82024 | 34.82024 |
| Deaths per 1,000 | 7.82024 | 5.72024 |
| Children per woman | 1.012024 | 4.542024 |
| Life expectancy | 78.0 yrs2024 | 67.2 yrs2024 |
| Aged 0–14 | 15.4%2025 | 42.3%2025 |
| Aged 65+ | 14.9%2025 | 3.0%2025 |
| Density | 150.3 /km²2023 | 75.2 /km²2023 |
| Area | 9,562,910 km²2023 | 947,300 km²2023 |
| Urban population | 66.3%2025 | 36.9%2025 |
| Net migration / yr | -268,1262025 | -12,7302025 |
| GDP per capita | $13,8622025 | $1,3192025 |
| Country population rank (available records) | #2 | #21 |
| Base / world population (World Bank 2025) | 17.12% | 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). China: 2.1× 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: East Asia & Pacific · Sub-Saharan Africa · rankings
China: China vs India, China vs United States, China vs Indonesia, China vs Pakistan, China vs Nigeria, China vs Brazil, China vs Bangladesh, China vs Russia.
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.
Compare anything
Pick any two. The result renders instantly from the same live data as the map, and the URL updates so you can share it.
What changed during your lifetime?
Turn these figures into a private, five-scene personal world story.
Compare like with like
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.