Population, Persons for countries / Index for country groups in Thailand

Thailand: Population, Persons for countries / Index for country groups was 71.10 million in 2031. ▲ Rising

Latest (2031)
71.10 million
Change on year
down 0.2%
World rank
7th
of 26 countries
All-time high
71.74 million
in 2022
All-time low
47.37 million
in 1980
Years of data
52
1980–2031

Population, Persons for countries / Index for country groups in Thailand, 1980–2031

020.0M40.0M60.0M80.0M198020052031

Source: International Monetary Fund.

Analysis

In 2031, population, persons for countries / index for country groups in Thailand stood at 71.10 million.

That represents a change of down 0.2% on the previous year and down 0.9% over ten years.

Over the whole period, population, persons for countries / index for country groups in Thailand peaked at 71.74 million in 2022 and was at its lowest, 47.37 million, in 1980.

That places Thailand 7th out of 26 countries with data for 2031, putting it in the top quarter.

The long-run direction has been consistently rising across the 52 years of available data.

Averages by decade

DecadeAverage LowestHighest Years
1980s 51.58 million 47.37 million 55.77 million 10
1990s 59.31 million 56.56 million 62.30 million 10
2000s 65.67 million 63.01 million 68.12 million 10
2010s 70.25 million 68.58 million 71.52 million 10
2020s 71.59 million 71.32 million 71.74 million 10
2030s 71.16 million 71.10 million 71.22 million 2

Countries ranked near Thailand

  1. 4 Japan 119.16 million compare
  2. 5 Iran (Islamic Republic of) 92.46 million compare
  3. 6 Türkiye 88.34 million compare
  4. 8 Spain 52.28 million compare
  5. 9 Republic of Korea 51.22 million compare
  6. 10 Saudi Arabia 40.55 million compare

See the full ranking of 26 places →

More population data for Thailand

All data for Thailand →

Frequently asked questions

What is population, persons for countries / index for country groups in Thailand?
Population, persons for countries / index for country groups in Thailand was 71.10 million in 2031, according to International Monetary Fund.
What is the highest population, persons for countries / index for country groups recorded in Thailand?
The highest recorded value was 71.74 million in 2022.
What is the lowest population, persons for countries / index for country groups recorded in Thailand?
The lowest recorded value was 47.37 million in 1980.
How does Thailand rank for population, persons for countries / index for country groups?
Thailand ranks 7th out of 26 countries with data for 2031.
Is population, persons for countries / index for country groups rising or falling in Thailand?
Over the last ten years it is down 0.9%. The long-run trend across the full record is rising.
Where does this Thailand data come from?
The figures come from International Monetary Fund, published as part of Population, Persons for countries / Index for country groups (9/26/2025). Statizoid updates them automatically from the source API.

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Population, Persons for countries / Index for country groups in Thailand. Statizoid, drawing on International Monetary Fund. Retrieved 20 August 2026, from https://population.statizoid.com/stat/population-persons-for-countries-index-for-country-groups-9-26-2025/thailand/

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About this data

Indicator
Population, Persons for countries / Index for country groups (9/26/2025)
Source
International Monetary Fund
Licence
IMF Terms and Conditions (attribution required)
Coverage
26 places, 1,287 data points, 1980–2031
Last refreshed

The World Economic Outlook (WEO) database is created during the biannual WEO exercise, which begins in January and June of each year and results in the April and September/October WEO publication. Selected series from the publication are available in a database format.