Half of Niger is under 16; half of Japan over 50
Median age in 2026 by country, youngest to oldest, against 1950 (marker).
The age gap between Japan's median person (50.2) and Niger's (15.7).
Chad is younger now (15.7) than it was in 1950 (20.3).
Japan aged the most of the countries shown. South Korea is close behind at +28.5.
the numbers
| Median age 2026 (yrs) | 1950 (yrs) | Change since 1950 (yrs) | |
|---|---|---|---|
| Niger | 15.7 | 14.0 | 1.8 |
| Chad | 15.7 | 20.3 | -4.5 |
| Nigeria | 18.4 | 18.1 | 0.3 |
| Pakistan | 20.8 | 17.3 | 3.4 |
| Egypt | 24.7 | 19.6 | 5.2 |
| India | 29.2 | 20.0 | 9.2 |
| World | 31.1 | 22.2 | 8.9 |
| Brazil | 35.3 | 17.5 | 17.8 |
| United States | 38.7 | 29.0 | 9.8 |
| China | 40.7 | 22.3 | 18.4 |
| Germany | 45.7 | 32.9 | 12.8 |
| South Korea | 46.2 | 17.7 | 28.5 |
| Italy | 48.6 | 27.6 | 21.1 |
| Japan | 50.2 | 21.3 | 28.9 |
source notes & method
Values are WPP 2024 figures for 1950 (estimate) and 1 July 2026 (medium-variant projection), as tabulated by StatisticsTimes; a separate WPP-based source (database.earth) gives Niger 15.4 for 2024. Change since 1950 is derived (2026 minus 1950). A 2050 metric was dropped: two secondary sources gave conflicting 2050 values (Niger 21.2 vs 22.1), so it could not be verified.
Published 6 Oct 2026
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