SocietyTop 10
The youngest countries in the world
The median age of 196 countries in 2025: half the population is younger. United Nations, World Population Prospects 2024 (projection for 2025, from estimates up to 2023).
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#1: Central African Republic, where half the people are under 14.5 years (5.8 children per woman). In 15 countries, half the population is under 18. The world's median age: 30.9 years. Oldest: Monaco (53.6 years) and Vatican City (57.4 years, about 500 residents).
All 196 countries, from youngest to oldest
Median age in 2025, in years
| Rank | Name | Value |
|---|---|---|
| 1 | Central African Republic | 14.5 years |
| 2 | Niger | 15.6 years |
| 3 | Somalia | 15.6 years |


