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Thailand population, 1950 to 2100

Thailand peaked at 71.7 million people in 2022 and slipped slightly in 2023. The UN projects 66.4 million by 2050 and 45.6 million by 2100.

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What the data shows

  • Thailand: 20.4M in 1950, 45.6M in 2100 (projected) (2.2× higher). The latest estimate is 71.7M in 2023. It peaked at 71.7M in 2022.

About this chart

Thailand has just passed its population peak. The UN estimates about 20.4 million people in 1950, 40.9 million in 1975 and 63.0 million in 2000, then a high of roughly 71.74 million in 2022, with 2023 at about 71.7 million. The line has only just begun to bend, and the projection that follows is a steady fall rather than a plateau.

The medium projection falls slowly at first and then faster: about 71.2 million in 2030, 66.4 million in 2050, 55.3 million in 2075 and 45.6 million in 2100. Thailand's world rank slips from 20th in 2023, after 22nd in 1950, to a projected 31st in 2050 and 50th in 2100. Figures are from UN World Population Prospects 2024, with projections after 2023.

The data

Source: UN World Population Prospects 2024 via Our World in Data; estimates to 2023, medium-variant projections after, millions. Retrieved November 4, 2026.

Thailand's population, Millions of people, 1950 to 2100 (UN projections), 1950–2100
Date🇹🇭 Thailand
195020.4M
195121.0M
195221.5M
195322.1M
195422.7M
195523.3M
195624.0M
195724.7M
195825.4M
195926.1M
196026.9M
196127.7M
196228.5M
196329.3M
196430.2M
196531.2M
196632.1M
196733.0M
196834.0M
196935.0M
197036.0M
197136.9M
197237.9M
197339.0M
197440.0M
197540.9M
197641.9M
197742.8M
197843.8M
197944.7M
198045.7M
198146.6M
198247.5M
198348.4M
198449.4M
198550.3M
198651.2M
198752.1M
198853.0M
198953.9M
199054.7M
199155.6M
199256.5M
199357.4M
199458.3M
199559.1M
199659.9M
199760.7M
199861.5M
199962.3M
200063.0M
200163.7M
200264.3M
200364.9M
200465.5M
200566.0M
200666.6M
200767.1M
200867.6M
200968.1M
201068.6M
201169.0M
201269.4M
201369.9M
201470.2M
201570.5M
201670.9M
201771.2M
201871.4M
201971.5M
202071.6M
202171.7M
202271.7M
202371.7M
202471.7M
202571.6M
202671.6M
202771.5M
202871.4M
202971.3M
203071.2M
203171.1M
203271.0M
203370.9M
203470.7M
203570.5M
203670.4M
203770.2M
203870.0M
203969.8M
204069.5M
204169.3M
204269.0M
204368.8M
204468.5M
204568.2M
204667.8M
204767.5M
204867.1M
204966.8M
205066.4M
205166.0M
205265.6M
205365.2M
205464.7M
205564.3M
205663.8M
205763.4M
205862.9M
205962.4M
206062.0M
206161.5M
206261.1M
206360.6M
206460.1M
206559.7M
206659.2M
206758.8M
206858.3M
206957.9M
207057.4M
207157.0M
207256.5M
207356.1M
207455.7M
207555.3M
207654.8M
207754.4M
207854.0M
207953.6M
208053.2M
208152.8M
208252.4M
208352.0M
208451.5M
208551.1M
208650.8M
208750.4M
208850.0M
208949.6M
209049.2M
209148.8M
209248.4M
209348.1M
209447.7M
209547.3M
209647.0M
209746.6M
209846.3M
209945.9M
210045.6M

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Frequently asked questions

What is the population of Thailand?

Thailand's population was about 71.7 million in 2023, the latest UN estimate. That ranked it 20th in the world. Years after 2023 are projections.

Has Thailand's population peaked?

Yes, according to the UN estimates. It peaked at about 71.74 million in 2022. The UN's medium projection shows about 66.4 million in 2050 and about 45.6 million in 2100.

Where does this data come from?

UN World Population Prospects 2024 via Our World in Data; estimates to 2023, medium-variant projections after, millions. Retrieved November 4, 2026. You can download the full table as a CSV from this page.

Can I turn this chart into a video?

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