Costa Rica vs Sierra Leone: Income inequality: Atkinson index
Costa Rica
0.3559
in 2023
Sierra Leone
0.3592
in 2023
Costa Rica rank
54th
Sierra Leone rank
52nd
Income inequality: Atkinson index over time
- Costa Rica
- Sierra Leone
How they compare
Sierra Leone currently reports 0.3592 against 0.3559 in Costa Rica, a difference of 0.0033.
The two have swapped places 1 time across 13 shared years of data; in 2011 it was Costa Rica ahead.
Costa Rica ranks 54th and Sierra Leone ranks 52nd of 174 countries.
Across the 2 decades both report, Costa Rica averaged higher in 1 and Sierra Leone in 1.
Head to head by decade
| Decade | Costa Rica | Sierra Leone | Difference | Ahead |
|---|---|---|---|---|
| 2010s | 0.358 | 0.3515 | 0.0065 | Costa Rica |
| 2020s | 0.3532 | 0.3592 | 0.006 | Sierra Leone |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher income inequality: atkinson index, Costa Rica or Sierra Leone?
- Sierra Leone, at 0.3592 against 0.3559 in Costa Rica as of 2023.
- What is the difference in income inequality: atkinson index between Costa Rica and Sierra Leone?
- 0.0033, with Sierra Leone ahead.
- How many years of comparable data are there for Costa Rica and Sierra Leone?
- 13 years are reported by both, from 2011 to 2023.
- How do Costa Rica and Sierra Leone rank globally for income inequality: atkinson index?
- Costa Rica ranks 54th and Sierra Leone ranks 52nd of 174 countries.
- Where does this data come from?
- UNDP, Human Development Report (2025) – with minor processing by Our World in Data, published as Income inequality: Atkinson index. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
The Atkinson index measures inequality on a scale from 0 to 1. Higher values indicate higher inequality. Depending on the country and year, the data relates to income measured after taxes and benefits, or to consumption, per capita.