Kazakhstan vs Sri Lanka
Sri Lanka has 4% more people than Kazakhstan: 21,756,000 vs 20,843,754, a gap of 912,246. Kazakhstan is growing faster (+1.21% vs −0.73% a year), adding about 252,709 people a year against −159,415. Using continuous exponential growth from the stated base year, if these rates held, Kazakhstan would overtake Sri Lanka in about 2 years (from the 2025 population bases, around 2027) — a projection, not a forecast. Sri Lanka is the older society: 12.5% aged 65+ against 9.0% in Kazakhstan, while Kazakhstan has more children (29.1% under 15 vs 21.7%). Sri Lanka is 47.3× as densely populated (356.2 vs 7.5 people per km²). People in Sri Lanka live 3.1 years longer on average (77.7 vs 74.5). GDP per capita is 2.9× higher in Kazakhstan ($14,692 vs $5,002).
Country/territory population bases: World Bank 2025 (Kazakhstan) and 2025 (Sri Lanka); growth years 2025 / 2025. Annual source values, not live counts; years may differ. Growth is national, not local.
Kazakhstan vs Sri Lanka — side by side
 Kazakhstan |  Sri Lanka | |
|---|---|---|
| Population | 20,843,7542025 | 21,756,0002025 |
| Growth rate / yr | +1.21%2025 | −0.73%2025 |
| Births per 1,000 | 19.52024 | 10.12024 |
| Deaths per 1,000 | 6.72024 | 7.82024 |
| Children per woman | 2.982024 | 1.952024 |
| Life expectancy | 74.5 yrs2024 | 77.7 yrs2024 |
| Aged 0–14 | 29.1%2025 | 21.7%2025 |
| Aged 65+ | 9.0%2025 | 12.5%2025 |
| Density | 7.5 /km²2023 | 356.2 /km²2023 |
| Area | 2,724,902 km²2023 | 65,610 km²2023 |
| Urban population | 62.4%2025 | 20.5%2025 |
| Net migration / yr | -8,8342025 | -30,7242025 |
| GDP per capita | $14,6922025 | $5,0022025 |
| Country population rank (available records) | #64 | #62 |
| Base / world population (World Bank 2025) | 0.25% | 0.26% |
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). Kazakhstan: 2.2× from 1960 to 2025; Sri Lanka: 2.3× 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: Europe & Central Asia · South Asia · rankings
Kazakhstan: Kazakhstan vs Zambia, Kazakhstan vs Sri Lanka, Kazakhstan vs Chad, Kazakhstan vs Chile, Kazakhstan vs Somalia, Kazakhstan vs Romania.
Sri Lanka: Sri Lanka vs India, Sri Lanka vs Bangladesh, Sri Lanka vs Nepal, Sri Lanka vs Burkina Faso, Sri Lanka vs Malawi, Sri Lanka vs Zambia, Sri Lanka vs Chad, Sri Lanka vs Kazakhstan.
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