Least developed countries vs Thailand: Population ages 15-64, total
Least developed countries
700.84 million
in 2025
Thailand
49.82 million
in 2025
Least developed countries rank
23rd
Thailand rank
20th
Population ages 15-64, total over time
- Least developed countries
- Thailand
How they compare
Least developed countries currently reports 700.84 million against 49.82 million in Thailand, a difference of 651.02 million.
That makes Least developed countries's figure about 14.1 times Thailand's.
Across all 66 years both countries report, Least developed countries has been ahead every year.
Least developed countries ranks 23rd and Thailand ranks 20th of 45 groups.
Least developed countries has averaged higher in every one of the 7 decades both report.
Head to head by decade
| Decade | Least developed countries | Thailand | Difference | Ahead |
|---|---|---|---|---|
| 1960s | 147.82 million | 16.04 million | 131.78 million | Least developed countries |
| 1970s | 185.01 million | 22.03 million | 162.97 million | Least developed countries |
| 1980s | 235.40 million | 30.84 million | 204.56 million | Least developed countries |
| 1990s | 309.76 million | 39.86 million | 269.90 million | Least developed countries |
| 2000s | 407.01 million | 46.19 million | 360.83 million | Least developed countries |
| 2010s | 531.27 million | 50.20 million | 481.07 million | Least developed countries |
| 2020s | 656.94 million | 50.39 million | 606.55 million | Least developed countries |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher population ages 15-64, total, Least developed countries or Thailand?
- Least developed countries, at 700.84 million against 49.82 million in Thailand as of 2025.
- What is the difference in population ages 15-64, total between Least developed countries and Thailand?
- 651.02 million, with Least developed countries ahead.
- How many years of comparable data are there for Least developed countries and Thailand?
- 66 years are reported by both, from 1960 to 2025.
- How do Least developed countries and Thailand rank globally for population ages 15-64, total?
- Least developed countries ranks 23rd and Thailand ranks 20th of 45 groups.
- Where does this data come from?
- World Population Prospects, United Nations (UN), publisher: UN Population Division, published as Population ages 15-64, total. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Total population between the ages 15 to 64. Population is based on the de facto definition of population, which counts all residents regardless of legal status or citizenship.