OECD members vs Thailand: Population ages 15-64, total

OECD members
904.84 million
in 2025
Thailand
49.82 million
in 2025
OECD members rank
17th
Thailand rank
20th

Population ages 15-64, total over time

  • OECD members
  • Thailand
0200.0M400.0M600.0M800.0M1.0B196019922025

How they compare

OECD members currently reports 904.84 million against 49.82 million in Thailand, a difference of 855.01 million.

That makes OECD members's figure about 18.2 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 45 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 529.84 million 16.04 million 513.80 million OECD members
1970s 604.68 million 22.03 million 582.64 million OECD members
1980s 687.22 million 30.84 million 656.38 million OECD members
1990s 760.53 million 39.86 million 720.67 million OECD members
2000s 827.74 million 46.19 million 781.55 million OECD members
2010s 875.82 million 50.20 million 825.62 million OECD members
2020s 897.65 million 50.39 million 847.27 million OECD members

Averages of every year both report within each decade.

Frequently asked questions

Which has higher population ages 15-64, total, OECD members or Thailand?
OECD members, at 904.84 million against 49.82 million in Thailand as of 2025.
What is the difference in population ages 15-64, total between OECD members and Thailand?
855.01 million, 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 ages 15-64, total?
OECD members ranks 17th 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.

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OECD members vs Thailand: Population ages 15-64, total. Statizoid, drawing on World Population Prospects, United Nations (UN), publisher: UN Population Division. Retrieved 25 August 2026, from https://health.statizoid.com/compare/population-ages-15-64-total/oecd-members/thailand/

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About this data

Indicator
Population ages 15-64, total
Source
World Population Prospects, United Nations (UN), publisher: UN Population Division
Licence
CC BY 4.0 (World Bank Open Data)
Coverage
265 places, 17,460 data points, 1960–2025
Last refreshed

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.