Thailand vs United Kingdom
Thailand has 3% more people than United Kingdom: 71,619,863 vs 69,487,000, a gap of 2.1 million. United Kingdom is growing faster (+0.30% vs −0.07% a year), adding about 206,306 people a year against −48,132. Using continuous exponential growth from the stated base year, if these rates held, United Kingdom would overtake Thailand in about 8 years (from the 2025 population bases, around 2033) — a projection, not a forecast. United Kingdom is the older society: 19.7% aged 65+ against 16.0% in Thailand. United Kingdom is 2.0× as densely populated (283.2 vs 140.3 people per km²). People in United Kingdom live 4.8 years longer on average (81.4 vs 76.6). GDP per capita is 7.1× higher in United Kingdom ($57,602 vs $8,057).
Country/territory population bases: World Bank 2025 (Thailand) and 2025 (United Kingdom); growth years 2025 / 2025. Annual source values, not live counts; years may differ. Growth is national, not local.
Thailand vs United Kingdom — side by side
 Thailand |  United Kingdom | |
|---|---|---|
| Population | 71,619,8632025 | 69,487,0002025 |
| Growth rate / yr | −0.07%2025 | +0.30%2025 |
| Births per 1,000 | 8.12024 | 9.92024 |
| Deaths per 1,000 | 9.02024 | 9.72024 |
| Children per woman | 1.202024 | 1.552024 |
| Life expectancy | 76.6 yrs2024 | 81.4 yrs2024 |
| Aged 0–14 | 14.4%2025 | 17.0%2025 |
| Aged 65+ | 16.0%2025 | 19.7%2025 |
| Density | 140.3 /km²2023 | 283.2 /km²2023 |
| Area | 513,115 km²2023 | 243,610 km²2023 |
| Urban population | 62.8%2025 | 83.3%2025 |
| Net migration / yr | +27,5092025 | +389,9112025 |
| GDP per capita | $8,0572025 | $57,6022025 |
| Country population rank (available records) | #20 | #22 |
| Base / world population (World Bank 2025) | 0.87% | 0.85% |
Highlighted cell = the higher value (not "better"). Small print under each value is its own data year. Source: World Bank; country/territory population bases may have different years. These are not live counts.
Population since 1960
World Bank population history (not the separate UN WPP timeline). Thailand: 2.7× from 1960 to 2025; United Kingdom: 1.3× from 1960 to 2025. Left: absolute population. Right: each series indexed to its own first available year = 100; baseline years may differ.
More comparisons
Regions: East Asia & Pacific · Europe & Central Asia · rankings
Thailand: Thailand vs India, Thailand vs China, Thailand vs United States, Thailand vs Indonesia, Thailand vs Pakistan, Thailand vs Nigeria, Thailand vs Brazil, Thailand vs Bangladesh.
United Kingdom: United Kingdom vs India, United Kingdom vs China, United Kingdom vs United States, United Kingdom vs Indonesia, United Kingdom vs Pakistan, United Kingdom vs Nigeria, United Kingdom vs Brazil, United Kingdom vs Bangladesh.
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