Population by age group in Thailand
Thailand: Population by age group was 3.10 million people in 2023. ▼ Falling
Population by age group in Thailand, 1950–2023
Source: UN, World Population Prospects (2024) – processed by Our World in Data. Measured in people.
Analysis
Thailand recorded 3.10 million people for population by age group in 2023. That is the lowest value across all 74 years on record.
Compared with earlier readings it is down 2.7% on the previous year and down 24.1% over ten years.
Over the whole period, population by age group in Thailand peaked at 6.14 million people in 1972 and was at its lowest, 3.10 million people, in 2023.
Thailand ranks 47th of 236 countries on this measure, in the top quarter.
The long-run direction has been consistently falling across the 74 years of available data.
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1950s | 4.08 million people | 3.35 million people | 4.74 million people | 10 |
| 1960s | 5.51 million people | 4.88 million people | 6.07 million people | 10 |
| 1970s | 6.05 million people | 5.85 million people | 6.14 million people | 10 |
| 1980s | 5.52 million people | 5.24 million people | 5.79 million people | 10 |
| 1990s | 5.12 million people | 4.93 million people | 5.24 million people | 10 |
| 2000s | 4.58 million people | 4.29 million people | 4.86 million people | 10 |
| 2010s | 3.94 million people | 3.52 million people | 4.23 million people | 10 |
| 2020s | 3.24 million people | 3.10 million people | 3.40 million people | 4 |
Countries ranked near Thailand
More population data for Thailand
- Population growth rate, by level of development -0.7% (2100)
- Number of children under 5, by world region 1.67 million people (2100)
- Population density 89.17 people per km² (2100)
- World population growth -0.7% (2100)
- Total fertility rate vs. wanted fertility rate 1.2 births per woman (2024)
- Refugees by country of asylum 84,421 people (2024)
- Fertility rate vs. unmet need for contraception 1.2 births per woman (2024)
- Total fertility rate vs. contraceptive prevalence 1.2 births per woman (2024)
- Natural population growth rate -0.1% (2023)
- Fertility rate: births per woman 1.21 live births per woman (2023)
Frequently asked questions
- What is population by age group in Thailand?
- Population by age group in Thailand was 3.10 million people in 2023, according to UN, World Population Prospects (2024) – processed by Our World in Data.
- What is the highest population by age group recorded in Thailand?
- The highest recorded value was 6.14 million people in 1972.
- What is the lowest population by age group recorded in Thailand?
- The lowest recorded value was 3.10 million people in 2023.
- How does Thailand rank for population by age group?
- Thailand ranks 47th out of 236 countries with data for 2023.
- Is population by age group rising or falling in Thailand?
- Over the last ten years it is down 24.1%. The long-run trend across the full record is falling.
- Where does this Thailand data come from?
- The figures come from UN, World Population Prospects (2024) – processed by Our World in Data, published as part of Population by age group. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 74 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
The total population, measured on 1 July of the year shown. This only includes people aged 0-4.