COUNTRY PROFILE / SLE
Sierra Leone
SLE / SL
For Sierra Leone, population is 8,819,794 people (2025, #100/215) and area is 72,300 km² (2023, #120/215). This profile covers 78 comparable rankings and 10 thematic maps. Largest religious group: Islam (2019 / 77.1%); Main language: Krio.
01 / BASIC INFORMATION
Sierra Leone in numbers.
02 / JAPAN COMPARISON & TRENDS
Compare Sierra Leone with Japan and track change.
JAPAN REFERENCE
In the recorded data for Sierra Leone, population is about 7.1% of Japan's value and area is about 19.1% of Japan's value. Reference years can differ, so check the year shown for each value.
| Indicator | Sierra Leone | Japan |
|---|---|---|
| Population | 8,819,794 people2025 / About 7.1% of Japan's value | 123,366,734 people2025 |
| Area | 72,300 km²2023 / About 19.1% of Japan's value | 377,969 km²2023 |
| Population density | 122 people/km²Population 2025 · area 2023 / About 37.4% of Japan's value | 326.4 people/km²Population 2025 · area 2023 |
| Life expectancy | 61.96 years2024 / 22.07 years shorter than Japan | 84.04 years2024 |
| GDP per capita | US$ 8462025 / About 2.4% of Japan's value | US$ 35,9512025 |
RECORDED CHANGE OVER TIME
Population
2000 → 2025Recorded population moved from 4,423,611 people in 2000 to 8,819,794 people in 2025, an increase of about 99.4%.Life expectancy
2000 → 2024Recorded life expectancy moved from 44.83 years in 2000 to 61.96 years in 2024, an increase of 17.13 years.GDP per capita
2000 → 2025Recorded GDP per capita moved from US$ 144 in 2000 to US$ 846 in 2025, an increase of about 488.8%. The values are in current US dollars, so exchange rates and inflation affect the comparison.03 / ALL RANKINGS
73 additional rankings for Sierra Leone.
73 rankings in 9 categories
Essentials5 rankings
People & society11 rankings
Health10 rankings
Economy & work20 rankings
Education & science1 ranking
Food & agriculture6 rankings
Environment & digital11 rankings
Safety & politics6 rankings
Travel & culture3 rankings
04 / CULTURE & INDUSTRY