Least developed countries: UN classification vs Thailand: Population, total

Least developed countries: UN classification
1.21 billion
in 2025
Thailand
71.62 million
in 2025
Least developed countries: UN classification rank
22nd
Thailand rank
20th

Population, total over time

  • Least developed countries: UN classification
  • Thailand
0250.0M500.0M750.0M1.0B1.2B196019922025

How they compare

Least developed countries: UN classification currently reports 1.21 billion against 71.62 million in Thailand, a difference of 1.14 billion.

That makes Least developed countries: UN classification's figure about 17.0 times Thailand's.

Across all 66 years both countries report, Least developed countries: UN classification has been ahead every year.

Least developed countries: UN classification ranks 22nd and Thailand ranks 20th of 49 groups.

Least developed countries: UN classification has averaged higher in every one of the 7 decades both report.

Head to head by decade

Decade Least developed countries: UN classification Thailand Difference Ahead
1960s 274.62 million 30.78 million 243.84 million Least developed countries: UN classification
1970s 352.79 million 40.39 million 312.40 million Least developed countries: UN classification
1980s 452.67 million 49.78 million 402.89 million Least developed countries: UN classification
1990s 586.40 million 58.61 million 527.78 million Least developed countries: UN classification
2000s 752.40 million 65.67 million 686.73 million Least developed countries: UN classification
2010s 952.84 million 70.25 million 882.59 million Least developed countries: UN classification
2020s 1.15 billion 71.68 million 1.08 billion Least developed countries: UN classification

Averages of every year both report within each decade.

Frequently asked questions

Which has higher population, total, Least developed countries: UN classification or Thailand?
Least developed countries: UN classification, at 1.21 billion against 71.62 million in Thailand as of 2025.
What is the difference in population, total between Least developed countries: UN classification and Thailand?
1.14 billion, with Least developed countries: UN classification ahead.
How many years of comparable data are there for Least developed countries: UN classification and Thailand?
66 years are reported by both, from 1960 to 2025.
How do Least developed countries: UN classification and Thailand rank globally for population, total?
Least developed countries: UN classification ranks 22nd and Thailand ranks 20th of 49 groups.
Where does this data come from?
World Population Prospects, United Nations (UN), published as Population, total. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Individual pages

About this data

Indicator
Population, total
Source
World Population Prospects, United Nations (UN)
Licence
CC BY 4.0 (World Bank Open Data)
Coverage
264 places, 17,394 data points, 1960–2025
Last refreshed

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.