Country groups
A country's figure page links the same figure for its continent, its income group and the world, where Our World in Data publishes them.
Continents
As Our World in Data defines them (its chart, 2023).
- Asia: 59 countries and territories
- Europe: 68 countries and territories
- Africa: 61 countries and territories
- Oceania: 25 countries and territories
- North America: 43 countries and territories
- South America: 16 countries and territories
Income groups
The World Bank's classification for 2025, as Our World in Data publishes it (its chart).
- Low-income countries: 25 countries
- Upper-middle-income countries: 59 countries
- High-income countries: 89 countries
- Lower-middle-income countries: 47 countries