Costa Rica vs Sierra Leone: Urban population
Costa Rica
4.11 million
in 2025
Sierra Leone
4.05 million
in 2025
Costa Rica rank
111th
Sierra Leone rank
113th
Urban population over time
- Costa Rica
- Sierra Leone
How they compare
Costa Rica currently reports 4.11 million against 4.05 million in Sierra Leone, a difference of 57,630.
Across all 66 years both countries report, Costa Rica has been ahead every year.
Costa Rica ranks 111th and Sierra Leone ranks 113th of 215 countries.
Costa Rica has averaged higher in every one of the 7 decades both report.
Head to head by decade
| Decade | Costa Rica | Sierra Leone | Difference | Ahead |
|---|---|---|---|---|
| 1960s | 554,984 | 498,552 | 56,432 | Costa Rica |
| 1970s | 852,553 | 809,521 | 43,032 | Costa Rica |
| 1980s | 1.22 million | 1.16 million | 63,998 | Costa Rica |
| 1990s | 1.86 million | 1.45 million | 412,214 | Costa Rica |
| 2000s | 2.73 million | 1.97 million | 758,405 | Costa Rica |
| 2010s | 3.58 million | 2.83 million | 740,897 | Costa Rica |
| 2020s | 4.01 million | 3.73 million | 275,648 | Costa Rica |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher urban population, Costa Rica or Sierra Leone?
- Costa Rica, at 4.11 million against 4.05 million in Sierra Leone as of 2025.
- What is the difference in urban population between Costa Rica and Sierra Leone?
- 57,630, with Costa Rica ahead.
- How many years of comparable data are there for Costa Rica and Sierra Leone?
- 66 years are reported by both, from 1960 to 2025.
- How do Costa Rica and Sierra Leone rank globally for urban population?
- Costa Rica ranks 111th and Sierra Leone ranks 113th of 215 countries.
- Where does this data come from?
- World Urbanization Prospects, United Nations (UN), published as Urban population. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Urban population refers to people living in urban areas as defined by national statistical offices. It is calculated using World Bank population estimates and urban ratios from the United Nations World Urbanization Prospects. Aggregation of urban and rural population may not add up to total population because of different country coverages.