
Where did all the children go? The share of the population under 15, 1960 vs. 2025
The age distribution around the globe has undergone a remarkable transformation since 1960.
Back in 1960, children aged 0–14 accounted for 37.4% of the world's population. Fast forward to 2025, and that share had fallen to 24.4%.
This change has been particularly pronounced in several countries:
South Korea: 41.3% → 10.2%
China: 40.3% → 15.4%
Brazil: 44.2% → 19.4%
Japan: 29.8% → 11.2%
United States: 31.3% → 17.1%
In stark contrast, Nigeria shows a very different trajectory: 41.1% → 40.5%.
It's important to note that these figures reflect the share of the population aged 0–14, not the absolute number of children. A country's share can fall even if its absolute number of children does not.
Source: World Bank, World Development Indicators
Indicator: SP.POP.0014.TO.ZS
Original source: UN Population Division, World Population Prospects
Full visualization, data & sources:
https://chartive.org/visualizations/where-did-all-the-children-go-1960-2025