OECD members vs Thailand: Population, total
OECD members
1.40 billion
in 2025
Thailand
71.62 million
in 2025
OECD members rank
17th
Thailand rank
20th
Population, total over time
- OECD members
- Thailand
How they compare
OECD members currently reports 1.40 billion against 71.62 million in Thailand, a difference of 1.33 billion.
That makes OECD members's figure about 19.6 times Thailand's.
Across all 66 years both countries report, OECD members has been ahead every year.
OECD members ranks 17th and Thailand ranks 20th of 47 groups.
OECD members has averaged higher in every one of the 7 decades both report.
Head to head by decade
| Decade | OECD members | Thailand | Difference | Ahead |
|---|---|---|---|---|
| 1960s | 859.84 million | 30.78 million | 829.06 million | OECD members |
| 1970s | 965.99 million | 40.39 million | 925.60 million | OECD members |
| 1980s | 1.06 billion | 49.78 million | 1.01 billion | OECD members |
| 1990s | 1.15 billion | 58.61 million | 1.09 billion | OECD members |
| 2000s | 1.24 billion | 65.67 million | 1.18 billion | OECD members |
| 2010s | 1.33 billion | 70.25 million | 1.26 billion | OECD members |
| 2020s | 1.38 billion | 71.68 million | 1.31 billion | OECD members |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher population, total, OECD members or Thailand?
- OECD members, at 1.40 billion against 71.62 million in Thailand as of 2025.
- What is the difference in population, total between OECD members and Thailand?
- 1.33 billion, with OECD members ahead.
- How many years of comparable data are there for OECD members and Thailand?
- 66 years are reported by both, from 1960 to 2025.
- How do OECD members and Thailand rank globally for population, total?
- OECD members ranks 17th and Thailand ranks 20th of 47 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
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.