Belarus vs Sierra Leone
Belarus has 3% more people than Sierra Leone: 9,085,991 vs 8,819,794, a gap of 266,197. Sierra Leone is growing faster (+2.04% vs −0.51% a year), adding about 179,588 people a year against −46,519. Using continuous exponential growth from the stated base year, if these rates held, Sierra Leone would overtake Belarus in about 1 years (from the 2025 population bases, around 2026) — a projection, not a forecast. Belarus is the older society: 18.3% aged 65+ against 3.3% in Sierra Leone, while Sierra Leone has more children (37.7% under 15 vs 15.9%). Sierra Leone is 2.6× as densely populated (117.2 vs 45.2 people per km²). People in Belarus live 12.4 years longer on average (74.4 vs 62.0). GDP per capita is 12.1× higher in Belarus ($10,279 vs $846).
Country/territory population bases: World Bank 2025 (Belarus) and 2025 (Sierra Leone); growth years 2025 / 2025. Annual source values, not live counts; years may differ. Growth is national, not local.
Belarus vs Sierra Leone — side by side
 Belarus |  Sierra Leone | |
|---|---|---|
| Population | 9,085,9912025 | 8,819,7942025 |
| Growth rate / yr | −0.51%2025 | +2.04%2025 |
| Births per 1,000 | 7.02024 | 30.12024 |
| Deaths per 1,000 | 13.12024 | 8.22024 |
| Children per woman | 1.222024 | 3.702024 |
| Life expectancy | 74.4 yrs2024 | 62.0 yrs2024 |
| Aged 0–14 | 15.9%2025 | 37.7%2025 |
| Aged 65+ | 18.3%2025 | 3.3%2025 |
| Density | 45.2 /km²2023 | 117.2 /km²2023 |
| Area | 207,629 km²2023 | 72,300 km²2023 |
| Urban population | 79.5%2025 | 45.9%2025 |
| Net migration / yr | -3,0202025 | -11,3092025 |
| GDP per capita | $10,2792025 | $8462025 |
| Country population rank (available records) | #99 | #100 |
| Base / world population (World Bank 2025) | 0.11% | 0.11% |
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). Belarus: 1.1× from 1960 to 2025; Sierra Leone: 3.9× 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 · Sub-Saharan Africa · rankings
Belarus: Belarus vs Hungary, Belarus vs Austria, Belarus vs Switzerland, Belarus vs Sierra Leone, Belarus vs Togo, Belarus vs Laos.
Sierra Leone: Sierra Leone vs Austria, Sierra Leone vs Switzerland, Sierra Leone vs Belarus, Sierra Leone vs Togo, Sierra Leone vs Laos, Sierra Leone vs Turkmenistan.
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.