Updated
Overview
Thailand and the United Kingdom are nearly matched in population: 71.62 million versus 69.49 million people (2025).
The United Kingdom's economy is 6.9 times the size of Thailand's, at $4.00T versus $577.01B.
Per person, the United Kingdom is the wealthier of the two: $57,602 against $8,057 in GDP per capita.
Population
GDP (nominal)
GDP per capita
The full table
| Indicator | Thailand | United Kingdom | Years | Factbook, Jan 2026 |
|---|---|---|---|---|
| Economy | ||||
| GDP (nominal) | $577.01B | Higher: $4.00T | 2025 | $526.41B / $3.64T |
| GDP per capita | $8,057 | Higher: $57,602 | 2025 | — / — |
| GDP growth | Higher: 2.4% | 1.4% | 2025 | — / — |
| Inflation | Lower: -0.1% | 3.9% | 2025 | 1.4% / 3.3% |
| Unemployment | Lower: 0.8% | 4.7% | 2025 | — / — |
| Price level (US=100) | 31 | 89 | 2025 | — / — |
| Avg monthly earnings | $508 | Higher: $3,567 | 2025 | — / — |
| Minimum wage | $254 | Higher: $2,532 | 2024 | — / — |
| Big Mac price | $4.02 | $7.40 | — | — / — |
| People | ||||
| Population | 71.62 million | 69.49 million | 2025 | 70.03 million / 68.75 million |
| Population growth | -0.1% | 0.3% | 2025 | — / — |
| Median age | 40.6 yrs | 40.1 yrs | 2025 | — / — |
| Fertility rate | 1.19 | 1.54 | 2025 | — / — |
| Life expectancy | 76.6 yrs | Higher: 81.4 yrs | 2024 | — / — |
| Urban population | 63% | 83% | 2025 | — / — |
| Internet users | 91% | Higher: 95% | 2024 | — / — |
| Geography | ||||
| Area | 513,120 km² | 242,900 km² | — | — / — |
| Population density | 139.6/km² | 286.1/km² | 2025 | — / — |
| Environment | ||||
| CO2 emissions | Lower: 268 Mt | 313 Mt | 2024 | — / — |
| CO2 per capita | Lower: 3.7 t | 4.5 t | 2024 | — / — |
| Military | ||||
| Military spending | $5.52B | $81.76B | 2024 | — / — |
| Military spending (% GDP) | 1.1% | 2.3% | 2024 | — / — |
| Armed forces personnel | 455,000 | 153,000 | 2020 | — / — |
Sources by row: World Bank WDI, IMF WEO, UN WPP 2024, ILOSTAT, The Economist. Emphasis marks the stronger figure where one direction is meaningfully better.
Reading the numbers
Economy
Thailand is growing faster: 2.4% annual GDP growth versus 1.4%.
The United Kingdom runs the hotter price environment: 3.9% inflation versus -0.1%.
Day-to-day prices are noticeably lower in Thailand: a price level of 31 versus 89 on a US=100 scale.
Average monthly earnings favour the United Kingdom: $3,567 against $508 (ILOSTAT, latest available years).
People and society
Demographically the two are similar, with median ages of 40.6 (Thailand) and 40.1 (the United Kingdom).
Life expectancy is 4.8 years longer in the United Kingdom (81.4 vs 76.6).
The United Kingdom is considerably more urbanized: 83% of people live in cities, against 63%.
Geography
By land area, Thailand is 2.1 times the size of the United Kingdom: 513,120 km² versus 242,900 km².
The United Kingdom is far more densely settled: 286 people per km² against 140.
Military
The United Kingdom spends 15 times as much on defence as Thailand: $81.76B versus $5.52B (World Bank/SIPRI data).
Relative to its economy, the United Kingdom carries the heavier military burden: 2.3% of GDP versus 1.1%.
Thailand fields the larger armed forces: 455,000 personnel against 153,000 (note: personnel data lags; observation years shown in the table).
Frequently asked
- Is Thailand bigger than the United Kingdom?
- Thailand is larger by land area. Thailand covers 513,120 km² while the United Kingdom covers 242,900 km², so Thailand is 2.1 times the size of the other.
- Which has more people, Thailand or the United Kingdom?
- Thailand has the larger population: 71.62 million versus 69.49 million (World Bank, 2025).
- Is Thailand richer than the United Kingdom?
- Measured by GDP per capita, the United Kingdom is richer: $57,602 against $8,057. Total GDP tells the same story: $577.01B for Thailand versus $4.00T for the United Kingdom.
- Who spends more on their military, Thailand or the United Kingdom?
- The United Kingdom spends more: $81.76B versus $5.52B per year (World Bank, SIPRI-derived data; observation years vary).
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