Sierra Leone vs Switzerland
Switzerland has 3% more people than Sierra Leone: 9,092,436 vs 8,819,794, a gap of 272,642. Sierra Leone is growing faster (+2.04% vs +0.96% a year), adding about 179,588 people a year against +87,271. Using continuous exponential growth from the stated base year, if these rates held, Sierra Leone would overtake Switzerland in about 3 years (from the 2025 population bases, around 2028) — a projection, not a forecast. Switzerland is the older society: 20.4% aged 65+ against 3.3% in Sierra Leone, while Sierra Leone has more children (37.7% under 15 vs 14.9%). Switzerland is 1.9× as densely populated (225.0 vs 117.2 people per km²). People in Switzerland live 22.4 years longer on average (84.4 vs 62.0). GDP per capita is 135.6× higher in Switzerland ($114,769 vs $846).
Country/territory population bases: World Bank 2025 (Sierra Leone) and 2025 (Switzerland); growth years 2025 / 2025. Annual source values, not live counts; years may differ. Growth is national, not local.
Sierra Leone vs Switzerland — side by side
 Sierra Leone |  Switzerland | |
|---|---|---|
| Population | 8,819,7942025 | 9,092,4362025 |
| Growth rate / yr | +2.04%2025 | +0.96%2025 |
| Births per 1,000 | 30.12024 | 8.72024 |
| Deaths per 1,000 | 8.22024 | 8.02024 |
| Children per woman | 3.702024 | 1.292024 |
| Life expectancy | 62.0 yrs2024 | 84.4 yrs2024 |
| Aged 0–14 | 37.7%2025 | 14.9%2025 |
| Aged 65+ | 3.3%2025 | 20.4%2025 |
| Density | 117.2 /km²2023 | 225.0 /km²2023 |
| Area | 72,300 km²2023 | 41,291 km²2023 |
| Urban population | 45.9%2025 | 85.7%2025 |
| Net migration / yr | -11,3092025 | +37,2532025 |
| GDP per capita | $8462025 | $114,7692025 |
| Country population rank (available records) | #100 | #98 |
| 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). Sierra Leone: 3.9× from 1960 to 2025; Switzerland: 1.7× 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: Sub-Saharan Africa · Europe & Central Asia · rankings
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.
Switzerland: Switzerland vs Israel, Switzerland vs Hungary, Switzerland vs Austria, Switzerland vs Belarus, Switzerland vs Sierra Leone, Switzerland vs Togo.
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