Bangladesh vs Sierra Leone
Population, economy and geography side by side
vs
Bangladesh has 19.8 times as many people as Sierra Leone (178 million vs 9.0 million in 2026). Bangladesh is 1.8 times larger by land area. GDP per capita is higher in Bangladesh ($2,597 vs $846). People live longer on average in Bangladesh (74.9 vs 62.0 years).
| Bangladesh | Sierra Leone | |
|---|---|---|
| Population (2026) | 177,818,044 | 8,996,745 |
| Yearly population change | +1.21% | +2.01% |
| Population 2050 (projected) | 215 million | 12.9 million |
| Land area | 130,170 km² | 72,180 km² |
| Density | 1,366/km² | 125/km² |
| GDP | $456 billion (2025) | $7.5 billion (2025) |
| GDP per capita | $2,597 (2025) | $846 (2025) |
| Life expectancy | 74.9 years | 62.0 years |
| Births per woman | 2.14 | 3.70 |
| Urban population | 33% | 46% |
| Capital | Dhaka | Freetown |
| Currency | Bangladeshi taka (BDT) | leone (SLE) |
| Calling code | +880 | +232 |
Share of world population: Bangladesh 2.15%, Sierra Leone 0.11%.
Frequently asked questions
Which has a bigger population, Bangladesh or Sierra Leone?
Bangladesh: about 178 million people versus 9.0 million in Sierra Leone (2026).
Is Bangladesh bigger than Sierra Leone?
By land area, Bangladesh is larger: 130,170 km² versus 72,180 km².
Which economy is bigger, Bangladesh or Sierra Leone?
Bangladesh, with a GDP of $456 billion versus $7.5 billion (World Bank, current US$).
Sources: World Bank Open Data — World Development Indicators and Population Estimates and Projections (CC BY 4.0); Wikidata (CC0). Retrieved 2026-10-22. GDP in current US dollars (World Bank, latest available year).