Population in urban agglomerations of more than 1 million in Thailand
Thailand: Population in urban agglomerations of more than 1 million was 15.52 million in 2025. ◆ Volatile
Latest (2025)
15.52 million
Change on year
up 1.4%
World rank
27th
of 121 countries
All-time high
15.52 million
in 2025
All-time low
2.27 million
in 1960
Years of data
66
1960–2025
Population in urban agglomerations of more than 1 million in Thailand, 1960–2025
Source: World Urbanization Prospects 2018, United Nations (UN).
Analysis
The most recent figure for population in urban agglomerations of more than 1 million in Thailand is 15.52 million, measured in 2025. That is the highest value across all 66 years on record.
Compared with earlier readings it is up 1.4% on the previous year and up 19.9% over ten years.
Over the whole period, population in urban agglomerations of more than 1 million in Thailand peaked at 15.52 million in 2025 and was at its lowest, 2.27 million, in 1960.
That places Thailand 27th out of 121 countries with data for 2025, putting it in the top quarter.
The series is highly variable year to year, so single readings are best treated with caution.
Population in urban agglomerations of more than 1 million in Thailand, year by year
| Year | Value | Change |
|---|---|---|
| 1960 | 2.27 million | — |
| 1961 | 2.36 million | +3.7% |
| 1962 | 2.44 million | +3.7% |
| 1963 | 2.53 million | +3.7% |
| 1964 | 2.63 million | +3.7% |
| 1965 | 2.73 million | +3.7% |
| 1966 | 2.83 million | +3.7% |
| 1967 | 2.93 million | +3.7% |
| 1968 | 3.04 million | +3.7% |
| 1969 | 3.16 million | +3.7% |
| 1970 | 3.28 million | +3.9% |
| 1971 | 3.42 million | +4.2% |
| 1972 | 3.56 million | +4.2% |
| 1973 | 3.71 million | +4.2% |
| 1974 | 3.86 million | +4.2% |
| 1975 | 4.02 million | +4.2% |
| 1976 | 4.19 million | +4.2% |
| 1977 | 4.37 million | +4.2% |
| 1978 | 4.55 million | +4.2% |
| 1979 | 4.74 million | +4.2% |
| 1980 | 4.92 million | +3.8% |
| 1981 | 5.05 million | +2.6% |
| 1982 | 5.18 million | +2.6% |
| 1983 | 5.32 million | +2.6% |
| 1984 | 5.46 million | +2.7% |
| 1985 | 5.61 million | +2.7% |
| 1986 | 5.76 million | +2.7% |
| 1987 | 5.92 million | +2.8% |
| 1988 | 6.09 million | +2.8% |
| 1989 | 6.27 million | +2.9% |
| 1990 | 6.44 million | +2.8% |
| 1991 | 6.55 million | +1.7% |
| 1992 | 6.67 million | +1.8% |
| 1993 | 6.79 million | +1.9% |
| 1994 | 6.93 million | +2.0% |
| 1995 | 7.07 million | +2.1% |
| 1996 | 7.23 million | +2.2% |
| 1997 | 7.40 million | +2.4% |
| 1998 | 7.59 million | +2.5% |
| 1999 | 7.80 million | +2.7% |
| 2000 | 8.03 million | +3.0% |
| 2001 | 8.31 million | +3.4% |
| 2002 | 8.60 million | +3.5% |
| 2003 | 8.90 million | +3.5% |
| 2004 | 9.22 million | +3.5% |
| 2005 | 9.55 million | +3.6% |
| 2006 | 9.89 million | +3.6% |
| 2007 | 10.25 million | +3.6% |
| 2008 | 10.63 million | +3.7% |
| 2009 | 11.03 million | +3.7% |
| 2010 | 11.44 million | +3.8% |
| 2011 | 11.75 million | +2.7% |
| 2012 | 12.04 million | +2.5% |
| 2013 | 12.33 million | +2.5% |
| 2014 | 12.64 million | +2.5% |
| 2015 | 12.95 million | +2.5% |
| 2016 | 13.26 million | +2.5% |
| 2017 | 13.59 million | +2.5% |
| 2018 | 13.92 million | +2.5% |
| 2019 | 14.17 million | +1.8% |
| 2020 | 14.41 million | +1.7% |
| 2021 | 14.65 million | +1.6% |
| 2022 | 14.88 million | +1.6% |
| 2023 | 15.10 million | +1.5% |
| 2024 | 15.31 million | +1.4% |
| 2025 | 15.52 million | +1.4% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1960s | 2.69 million | 2.27 million | 3.16 million | 10 |
| 1970s | 3.97 million | 3.28 million | 4.74 million | 10 |
| 1980s | 5.56 million | 4.92 million | 6.27 million | 10 |
| 1990s | 7.05 million | 6.44 million | 7.80 million | 10 |
| 2000s | 9.44 million | 8.03 million | 11.03 million | 10 |
| 2010s | 12.81 million | 11.44 million | 14.17 million | 10 |
| 2020s | 14.98 million | 14.41 million | 15.52 million | 6 |
Countries ranked near Thailand
More urban development data for Thailand
- Population in the largest city 25.3% (2025)
- Population density 140.35 people per sq. km of land area (2023)
- PM2.5 air pollution, mean annual exposure 23.49 micrograms per cubic meter (2023)
- Population in urban agglomerations of more than 1 million, per capita 0.2167 units per person (2025)
- Population in urban agglomerations of more than 1 million, annual 1.36 % change on previous year (2025)
- Population in urban agglomerations of more than 1 million, per unit 0 units per US$ of GDP (2025)
- Population in urban agglomerations of more than 1 million, per square 29.55 units per square kilometre (2023)
- Population in largest city 11.39 million (2025)
- Crude steelmaking capacity 11.36 Tonnes (2025)
- Africa's Development Dynamics (AfDD) Table 23 - Ecological 331.6 Hectares (2020)
Frequently asked questions
- What is population in urban agglomerations of more than 1 million in Thailand?
- Population in urban agglomerations of more than 1 million in Thailand was 15.52 million in 2025, according to World Urbanization Prospects 2018, United Nations (UN).
- What is the highest population in urban agglomerations of more than 1 million recorded in Thailand?
- The highest recorded value was 15.52 million in 2025.
- What is the lowest population in urban agglomerations of more than 1 million recorded in Thailand?
- The lowest recorded value was 2.27 million in 1960.
- How does Thailand rank for population in urban agglomerations of more than 1 million?
- Thailand ranks 27th out of 121 countries with data for 2025.
- Is population in urban agglomerations of more than 1 million rising or falling in Thailand?
- Over the last ten years it is up 19.9%. The long-run trend across the full record is volatile.
- Where does this Thailand data come from?
- The figures come from World Urbanization Prospects 2018, United Nations (UN), published as part of Population in urban agglomerations of more than 1 million. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 66 observations, free to reuse under CC BY 4.0 (World Bank Open Data).
About this data
Population in urban agglomerations of more than one million is the country's population living in metropolitan areas that in 2018 had a population of more than one million people.