Niger vs Sierra Leone: Life expectancy at birth vs. CO₂ emissions per capita
Niger
61.18 years
in 2023
Sierra Leone
61.79 years
in 2023
Niger rank
226th
Sierra Leone rank
225th
Life expectancy at birth vs. CO₂ emissions per capita over time
- Niger
- Sierra Leone
How they compare
Sierra Leone currently reports 61.79 years against 61.18 years in Niger, a difference of 0.61 years.
The two have swapped places 3 times across 74 shared years of data; in 1950 it was Niger ahead.
Niger ranks 226th and Sierra Leone ranks 225th of 236 countries.
Across the 8 decades both report, Niger averaged higher in 5 and Sierra Leone in 3.
Head to head by decade
| Decade | Niger | Sierra Leone | Difference | Ahead |
|---|---|---|---|---|
| 1950s | 35.99 years | 30.73 years | 5.26 years | Niger |
| 1960s | 36.28 years | 35.67 years | 0.6086 years | Niger |
| 1970s | 36.77 years | 40.66 years | 3.89 years | Sierra Leone |
| 1980s | 40.16 years | 43.46 years | 3.29 years | Sierra Leone |
| 1990s | 45.07 years | 43.11 years | 1.96 years | Niger |
| 2000s | 52.86 years | 48.06 years | 4.8 years | Niger |
| 2010s | 58.71 years | 55.48 years | 3.23 years | Niger |
| 2020s | 60.25 years | 60.75 years | 0.5005 years | Sierra Leone |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher life expectancy at birth vs. co₂ emissions per capita, Niger or Sierra Leone?
- Sierra Leone, at 61.79 years against 61.18 years in Niger as of 2023.
- What is the difference in life expectancy at birth vs. co₂ emissions per capita between Niger and Sierra Leone?
- 0.61 years, with Sierra Leone ahead.
- How many years of comparable data are there for Niger and Sierra Leone?
- 74 years are reported by both, from 1950 to 2023.
- How do Niger and Sierra Leone rank globally for life expectancy at birth vs. co₂ emissions per capita?
- Niger ranks 226th and Sierra Leone ranks 225th of 236 countries.
- Where does this data come from?
- UN, World Population Prospects (2024) – processed by Our World in Data, published as Life expectancy at birth vs. CO₂ emissions per capita. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Period life expectancy at birth.