Countries in South America by children under 15
The share of the population aged 0 to 14. 12 countries in South America, highest first. World Bank, 2025
Median country
23.8%
half above, half below| # | Country | % under 15 | Region |
|---|---|---|---|
| 1 |  Bolivia | 29.4% | South America |
| 2 |  Guyana | 28.9% | South America |
| 3 |  Paraguay | 28.4% | South America |
| 4 |  Suriname | 25.3% | South America |
| 5 |  Venezuela | 24.9% | South America |
| 6 |  Ecuador | 23.9% | South America |
| 7 |  Peru | 23.6% | South America |
| 8 |  Argentina | 21.0% | South America |
| 9 |  Colombia | 20.0% | South America |
| 10 |  Brazil | 19.4% | South America |
| 11 |  Uruguay | 17.9% | South America |
| 12 |  Chile | 16.5% | South America |
Questions
- Which country in South America has the largest share of children?
- Bolivia has the largest share of children in South America: 29.4% under 15 (2025). Next come Guyana (28.9% under 15) and Paraguay (28.4% under 15).
- Which country in South America has the smallest share of children?
- Chile, with 16.5% under 15 (2025).
- What is the typical children under 15 of a country in South America?
- The median of the 12 countries in South America is 23.8% under 15: half are above it, half below. The median, not the average, because a few countries at the top would drag an average far above almost everyone.
- Where do the figures come from?
- The share of the population aged 0 to 14. Source: World Bank, 2025. Only independent states are ranked; territories are listed separately. A country’s continent follows Natural Earth; the handful of island states it files under the open ocean are placed by their UN subregion.
Source: World Bank (CC BY 4.0). Figures more than 5 years older than the newest are left out rather than shown beside current ones. Countries sharing a value share a rank. All sources.