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Vietnam vs Thailand population, 1950 to 2100

Vietnam had 100.35 million people in 2023, versus 71.70 million in Thailand. Compare UN estimates and projections to 2100.

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What the data shows

  • Vietnam: 25.10M in 1950, 91.71M in 2100 (projected) (3.7× higher). The latest estimate is 100.35M in 2023. It is projected to peak at 110.02M in 2049.
  • Thailand: 20.43M in 1950, 45.56M in 2100 (projected) (2.2× higher). The latest estimate is 71.70M in 2023. It peaked at 71.74M in 2022.

About this chart

Thailand is below its earlier estimated peak of 71.74 million people in 2022: its 2023 total is 71.70 million. The comparison still puts Vietnam ahead of Thailand, with 100.35 million and 71.70 million respectively. In 1950, the corresponding totals were 25.10 million for Vietnam and 20.43 million for Thailand. All values are population totals, rather than population density or annual growth rates.

By 2100, the UN medium-variant projection reaches 91.71 million people for Vietnam and 45.56 million for Thailand. Estimates end in 2023; later values are conditional projections rather than observed counts. Future fertility, mortality and migration can move the eventual totals away from this path. Comparing the same projection variant keeps the two countries on a consistent basis.

The data

Source: UN World Population Prospects 2024 via Our World in Data; estimates to 2023, medium-variant projections after, millions of people. Retrieved November 5, 2026. UN estimates through 2023; later years are medium-variant projections, not observed counts.

Vietnam vs Thailand population, Millions of people, 1950–2100; projected after 2023, 1950–2100
Date🇻🇳 Vietnam🇹🇭 Thailand
195025.10M20.43M
195125.60M20.97M
195226.14M21.53M
195326.76M22.11M
195427.43M22.71M
195528.17M23.34M
195628.92M24.00M
195729.75M24.67M
195830.66M25.37M
195931.59M26.09M
196032.53M26.85M
196133.41M27.65M
196234.29M28.48M
196335.25M29.34M
196436.20M30.23M
196537.13M31.15M
196638.02M32.09M
196738.90M33.04M
196839.73M34.00M
196940.58M34.97M
197041.48M35.95M
197142.45M36.94M
197243.43M37.93M
197344.41M38.95M
197445.41M39.95M
197546.48M40.94M
197647.68M41.90M
197748.95M42.84M
197850.25M43.79M
197951.38M44.72M
198052.49M45.65M
198153.74M46.58M
198255.01M47.49M
198356.34M48.42M
198457.71M49.35M
198559.06M50.27M
198660.35M51.18M
198761.58M52.07M
198862.84M52.97M
198964.15M53.85M
199065.50M54.74M
199166.89M55.64M
199268.26M56.53M
199369.59M57.41M
199470.85M58.26M
199572.05M59.10M
199673.16M59.92M
199774.23M60.72M
199875.30M61.52M
199976.29M62.30M
200077.15M63.01M
200177.97M63.65M
200278.77M64.27M
200379.56M64.87M
200480.34M65.45M
200581.09M66.02M
200682.17M66.57M
200783.63M67.10M
200885.18M67.62M
200986.46M68.12M
201087.46M68.58M
201188.47M69.01M
201289.51M69.44M
201390.57M69.85M
201491.68M70.22M
201592.82M70.54M
201694.00M70.86M
201795.18M71.16M
201896.24M71.38M
201997.17M71.52M
202098.08M71.64M
202198.94M71.73M
202299.68M71.74M
2023100.35M71.70M
2024100.99M71.67M
2025101.60M71.62M
2026102.18M71.56M
2027102.73M71.49M
2028103.26M71.41M
2029103.76M71.32M
2030104.25M71.22M
2031104.74M71.10M
2032105.20M70.98M
2033105.66M70.85M
2034106.10M70.70M
2035106.53M70.54M
2036106.95M70.37M
2037107.35M70.18M
2038107.73M69.98M
2039108.10M69.76M
2040108.44M69.54M
2041108.75M69.29M
2042109.04M69.03M
2043109.29M68.75M
2044109.51M68.46M
2045109.69M68.15M
2046109.83M67.83M
2047109.93M67.49M
2048109.99M67.14M
2049110.02M66.77M
2050110.01M66.38M
2051109.96M65.99M
2052109.88M65.57M
2053109.77M65.15M
2054109.64M64.72M
2055109.48M64.27M
2056109.30M63.82M
2057109.10M63.37M
2058108.88M62.91M
2059108.64M62.44M
2060108.40M61.98M
2061108.14M61.51M
2062107.86M61.05M
2063107.57M60.58M
2064107.28M60.13M
2065106.97M59.67M
2066106.65M59.21M
2067106.31M58.76M
2068105.97M58.31M
2069105.62M57.86M
2070105.26M57.42M
2071104.89M56.98M
2072104.50M56.54M
2073104.10M56.11M
2074103.69M55.67M
2075103.27M55.25M
2076102.84M54.83M
2077102.40M54.41M
2078101.96M53.99M
2079101.50M53.58M
2080101.04M53.16M
2081100.57M52.76M
2082100.10M52.35M
208399.64M51.95M
208499.17M51.54M
208598.71M51.14M
208698.25M50.75M
208797.79M50.36M
208897.33M49.97M
208996.87M49.58M
209096.41M49.19M
209195.95M48.81M
209295.49M48.43M
209395.03M48.06M
209494.58M47.69M
209594.12M47.32M
209693.65M46.96M
209793.18M46.60M
209892.69M46.25M
209992.20M45.90M
210091.71M45.56M

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Frequently asked questions

Which country has more people, Vietnam or Thailand?

Vietnam has more people in the 2023 UN estimates: about 100.35 million, compared with 71.70 million in Thailand. The gap is approximately 28.65 million.

What populations are projected for 2100?

The UN medium-variant projection gives Vietnam 91.71 million people and Thailand 45.56 million in 2100. These values are projections, not current population estimates.

Where do the estimates end and projections begin?

The UN World Population Prospects series uses estimates through 2023. Values from 2024 onward follow its medium-variant projection. Both countries use the same source and scenario.

Where does this data come from?

UN World Population Prospects 2024 via Our World in Data; estimates to 2023, medium-variant projections after, millions of people. Retrieved November 5, 2026. UN estimates through 2023; later years are medium-variant projections, not observed counts. You can download the full table as a CSV from this page.

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Related data

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Vietnam's population

Vietnam: UN projects a 110.02M population peak in 2049. Its medium scenario puts 2100 at 91.71M, compared with 100.35M in 2023.

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Vietnam's GDP

Vietnam GDP reached $514.7B in 2025. Its rank was 60 in 2000 and 31 in 2025. Current US dollars, not real growth.

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Vietnam: life expectancy

Vietnam: 74.7 years in 2024. Life expectancy peaked at 75.4 years in 2020 in this 1990–2024 series.