Population, total in Least developed countries: UN classification
Least developed countries: UN classification: Population, total was 1.21 billion in 2025. ▲ Rising
Population, total in Least developed countries: UN classification, 1960–2025
Source: World Population Prospects, United Nations (UN).
Analysis
The most recent figure for population, total in Least developed countries: UN classification is 1.21 billion, measured in 2025. That is the highest value across all 66 years on record.
That represents a change of up 2.3% on the previous year and up 26.2% over ten years.
Over the whole period, population, total in Least developed countries: UN classification peaked at 1.21 billion in 2025 and was at its lowest, 245.05 million, in 1960.
The long-run direction has been consistently rising across the 66 years of available data.
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1960s | 274.62 million | 245.05 million | 307.14 million | 10 |
| 1970s | 352.79 million | 315.01 million | 393.59 million | 10 |
| 1980s | 452.67 million | 402.88 million | 506.71 million | 10 |
| 1990s | 586.40 million | 519.41 million | 657.28 million | 10 |
| 2000s | 752.40 million | 673.27 million | 835.27 million | 10 |
| 2010s | 952.84 million | 854.94 million | 1.06 billion | 10 |
| 2020s | 1.15 billion | 1.08 billion | 1.21 billion | 6 |
More climate change data for Least developed countries: UN classification
- Population growth 2.3% (2025)
- Urban population growth 3.6% (2025)
- Urban population 444.81 million (2025)
- Urban population 36.6% (2025)
- Population in urban agglomerations of more than 1 million 13.7% (2025)
- Annual freshwater withdrawals, total 198.48 billion cubic meters (2022)
- Annual freshwater withdrawals, total 4.4% (2022)
- Terrestrial protected areas 15.2% (2025)
- Terrestrial and marine protected areas 11.2% (2025)
- Marine protected areas 4.2% (2025)
Frequently asked questions
- What is population, total in Least developed countries: UN classification?
- Population, total in Least developed countries: UN classification was 1.21 billion in 2025, according to World Population Prospects, United Nations (UN).
- What is the highest population, total recorded in Least developed countries: UN classification?
- The highest recorded value was 1.21 billion in 2025.
- What is the lowest population, total recorded in Least developed countries: UN classification?
- The lowest recorded value was 245.05 million in 1960.
- Is population, total rising or falling in Least developed countries: UN classification?
- Over the last ten years it is up 26.2%. The long-run trend across the full record is rising.
- Where does this Least developed countries: UN classification data come from?
- The figures come from World Population Prospects, United Nations (UN), published as part of Population, total. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 66 observations, free to reuse under CC BY 4.0 (World Bank Open Data).
About this data
Total population is based on the de facto definition of population, which counts all residents regardless of legal status or citizenship. The values shown are midyear estimates.