Least developed countries Population Pyramid 2029
Year
2029Least developed countries in 2029
By 2029, the population of Least developed countries is expected to reach 1,328,915,276. Ten years before, in 2019, the projected population is 1,058,226,906 — 25.6% lower.
With a projected median age of 21.2 years, Least developed countries would have a youth dependency ratio of 63.9 and an old-age dependency ratio of 7.0 per 100 people of working age. This is an expansive pyramid — each cohort of children is larger than the one above it, the signature of high birth rates and rapid growth.
Data source: United Nations World Population Prospects, 2024 revision (medium variant) — last updated July 2024.
In 2023 women in Least developed countries had on average 3.96 children, above the replacement level of 2.1.
Source: World Bank World Development Indicators, latest available year.
Life expectancy at birth was 66.5 years in 2023: 68.9 for women and 64.2 for men.
Source: World Bank World Development Indicators, latest available year.
17,864,207 immigrants live in Least developed countries.
| South Sudan | 2,983,086 |
| Sudan | 1,969,726 |
| D.R. Congo | 1,515,486 |
| Myanmar | 1,249,963 |
| Côte d'Ivoire | 878,536 |
55,053,157 people born in Least developed countries live in other countries.
| Saudi Arabia | 6,100,861 |
| Iran | 3,752,317 |
| India | 3,111,262 |
| Côte d'Ivoire | 2,653,043 |
| United States of America | 2,530,746 |





