Least developed countries Population Pyramid (1950–2100)
Year
2026Least developed countries in 2026
The population of Least developed countries in 2026 is estimated at 1,243,581,859. That is 26.2% more than in 2016, when the population stood at 985,618,628. The median age is 20.7 years, and for every 100 people of working age (15–64) there are 65.9 children under 15 and 6.8 people aged 65 or over. The pyramid is expansive: its wide base of young cohorts reflects high fertility and a rapidly growing population.
Data source: United Nations World Population Prospects, 2024 revision (medium variant) — last updated July 2024.
Least developed countries population pyramids by year: 1950 · 1960 · 1970 · 1980 · 1990 · 2000 · 2010 · 2016 · 2017 · 2018 · 2019 · 2020 · 2021 · 2022 · 2023 · 2024 · 2025 · 2026 · 2030 · 2040 · 2050 · 2060 · 2070 · 2080 · 2090 · 2100





