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Population in Thailand compared to the United Kingdom: Trends, Charts, Rankings

Updated on by Georank team

The latest officially reported population of Thailand was 71,668,011 in 2024 vs 69,226,000 people in the United Kingdom in 2024. In 2026, based on the adjusted UN estimation, the current Thailand's population is 71,571,743 people compared to 70,154,914 in the United Kingdom.

Population statistics:

  • Thailand's population is 1.02 times bigger than the United Kingdom's.
  • Thailand is ranked the 21st most populous country in the world, while the United Kingdom is the 22nd.
  • The countries together account for 1.71% of the world: 0.86% for Thailand vs 0.85% for the United Kingdom.
  • For the last 10 years, Thailand has had an average growth rate of +0.23% per year vs +0.7% in the United Kingdom.
  • Since 2006, the population of Thailand has increased from 66.6M people to 71.6M (7.52% growth), while the United Kingdom has grown from 60.8M to 70.2M (15.3% growth).

Thailand vs United Kingdom: population by year and forecast

Thailand
Factual

Projection
United Kingdom
Factual

Projection
1x
Year Population
Thailand United Kingdom
2100 45,712,111 74,700,585
2099 46,056,854 74,831,175
2098 46,406,925 74,950,267
2097 46,761,683 75,064,397
2096 47,122,446 75,176,691
2095 47,487,866 75,287,063
2094 47,857,414 75,383,856
2093 48,230,566 75,482,205
2092 48,609,149 75,575,769
2091 48,988,448 75,666,091
2090 49,372,024 75,753,129
2089 49,760,635 75,835,723
2088 50,146,313 75,907,614
2087 50,536,233 75,978,712
2086 50,929,394 76,046,742
2085 51,326,092 76,105,680
2084 51,728,619 76,156,223
2083 52,131,789 76,205,894
2082 52,537,598 76,246,844
2081 52,942,608 76,274,040
2080 53,352,029 76,306,205
2079 53,766,821 76,334,949
2078 54,181,891 76,353,484
2077 54,599,508 76,371,123
2076 55,019,721 76,373,520
2075 55,442,571 76,386,071
2074 55,872,412 76,397,426
2073 56,304,891 76,406,554
2072 56,739,842 76,398,941
2071 57,177,118 76,388,223
2070 57,621,370 76,378,505
2069 58,066,637 76,371,827
2068 58,516,959 76,370,973
2067 58,967,738 76,363,548
2066 59,418,676 76,356,638
2065 59,878,082 76,355,841
2064 60,336,709 76,352,770
2063 60,797,201 76,353,175
2062 61,262,000 76,346,535
2061 61,724,999 76,344,206
2060 62,192,387 76,344,725
2059 62,656,203 76,345,215
2058 63,118,413 76,326,961
2057 63,577,864 76,307,006
2056 64,032,675 76,274,247
2055 64,478,337 76,235,304
2054 64,917,436 76,167,710
2053 65,343,383 76,094,051
2052 65,763,356 76,001,979
2051 66,167,939 75,895,690
2050 66,558,274 75,777,445
2049 66,936,876 75,646,044
2048 67,296,897 75,499,380
2047 67,641,907 75,338,951
2046 67,972,603 75,171,300
2045 68,287,399 74,993,186
2044 68,585,177 74,807,530
2043 68,870,333 74,607,485
2042 69,139,548 74,407,783
2041 69,396,419 74,203,292
2040 69,632,464 73,994,525
2039 69,854,146 73,782,112
2038 70,062,543 73,559,085
2037 70,256,027 73,335,723
2036 70,435,348 73,101,646
2035 70,604,705 72,850,722
2034 70,756,791 72,597,177
2033 70,897,217 72,322,802
2032 71,025,384 72,046,316
2031 71,140,609 71,757,868
2030 71,247,320 71,442,811
2029 71,342,891 71,123,782
2028 71,428,869 70,783,199
2027 71,505,168 70,421,923
2026 71,571,743 70,055,911
2025 71,625,629 69,658,188
2024 71,668,011 69,226,000
2023 71,702,435 68,492,000
2022 71,735,329 67,604,000
2021 71,727,332 66,984,000
2020 71,641,484 66,744,000
2019 71,522,271 66,631,000
2018 71,376,079 66,289,000
2017 71,160,187 65,966,000
2016 70,859,841 65,607,000
2015 70,540,795 65,088,000
2014 70,216,367 64,620,000
2013 69,845,114 64,139,000
2012 69,436,098 63,711,000
2011 69,007,208 63,258,810
2010 68,579,447 62,766,365
2009 68,121,080 62,276,270
2008 67,619,830 61,806,995
2007 67,102,394 61,322,463
2006 66,567,687 60,846,820
2005 66,017,420 60,401,206
2004 65,452,047 59,987,905
2003 64,868,166 59,647,577
2002 64,266,437 59,370,479
2001 63,651,141 59,119,673
2000 63,007,815 58,892,514
1999 62,299,043 58,682,466
1998 61,522,630 58,487,141
1997 60,724,584 58,316,954
1996 59,920,064 58,166,950
1995 59,098,232 58,019,030
1994 58,260,854 57,865,745
1993 57,408,198 57,718,614
1992 56,528,834 57,580,402
1991 55,637,434 57,424,897
1990 54,738,329 57,247,586
1989 53,848,956 57,076,711
1988 52,969,595 56,928,327
1987 52,074,105 56,802,050
1986 51,177,834 56,681,396
1985 50,270,753 56,550,268
1984 49,351,708 56,422,072
1983 48,423,309 56,332,848
1982 47,494,577 56,313,641
1981 46,575,855 56,333,829
1980 45,650,022 56,314,216
1979 44,718,434 56,246,951
1978 43,788,976 56,196,504
1977 42,843,974 56,193,492
1976 41,896,504 56,211,968
1975 40,940,005 56,225,800
1974 39,952,891 56,229,974
1973 38,947,787 56,194,527
1972 37,933,929 56,086,065
1971 36,937,387 55,896,223
1970 35,954,408 55,663,250
1969 34,973,782 55,441,750
1968 34,002,560 55,211,700
1967 33,037,801 54,943,600
1966 32,086,071 54,648,500
1965 31,149,337 54,348,050
1964 30,232,141 54,000,000
1963 29,342,322 53,650,000
1962 28,481,040 53,250,000
1961 27,650,334 52,800,000
1960 26,851,747 52,400,000

Data sources: United Nations | World Population Prospects (2025–2100, retrieved 2026-03-10); World Bank | Health (1960–2024, retrieved 2026-04-06).

GeoRank.org/population/thailand/united-kingdom | CC BY

From 2006 to 2016, the population of Thailand increased by 4,292,154 people (a 6.45% growth), while the United Kingdom gained 4,760,180 people (a 7.82% growth).

For the next 10 years, from 2016 to 2026, Thailand gained 711,902 people (a 1% growth), while the United Kingdom's population increased by 4,547,914 people (a 6.93% growth).

Thailand was ranked 19th most populous country in 2006 and is 21st in 2026. The United Kingdom was ranked 21st in 2006 and ranked 22nd now.

The UN's World Population Prospects forecasts that in 24 years (in 2050) Thailand's population will shrink by 7% to 66,558,274 people with a rank change from 21st to 31st. The population of the United Kingdom will increase by 8.01% to 75,777,445 people and rank change from 22nd to 26th.

The United Kingdom is projected to reach its peak in 2073 at 76.4M people, while Thailand's population already peaked in 2022 at 71.7M people and is projected to decrease to 45.7M people by 2100.

Population growth rate by year

Thailand
Factual

Projection
United Kingdom
Factual

Projection
1x
Year Growth rate
Thailand United Kingdom
2100 -0.75% -0.17%
2099 -0.75% -0.16%
2098 -0.76% -0.15%
2097 -0.77% -0.15%
2096 -0.77% -0.15%
2095 -0.77% -0.13%
2094 -0.77% -0.13%
2093 -0.78% -0.12%
2092 -0.77% -0.12%
2091 -0.78% -0.11%
2090 -0.78% -0.11%
2089 -0.77% -0.09%
2088 -0.77% -0.09%
2087 -0.77% -0.09%
2086 -0.77% -0.08%
2085 -0.78% -0.07%
2084 -0.77% -0.07%
2083 -0.77% -0.05%
2082 -0.76% -0.04%
2081 -0.77% -0.04%
2080 -0.77% -0.04%
2079 -0.77% -0.02%
2078 -0.76% -0.02%
2077 -0.76% -0.003%
2076 -0.76% -0.02%
2075 -0.77% -0.01%
2074 -0.77% -0.01%
2073 -0.77% 0.01%
2072 -0.76% 0.01%
2071 -0.77% 0.01%
2070 -0.77% 0.009%
2069 -0.77% 0.001%
2068 -0.76% 0.01%
2067 -0.76% 0.009%
2066 -0.77% 0.001%
2065 -0.76% 0.004%
2064 -0.76% -0%
2063 -0.76% 0.009%
2062 -0.75% 0.003%
2061 -0.75% -0.001%
2060 -0.74% -0.001%
2059 -0.73% 0.02%
2058 -0.72% 0.03%
2057 -0.71% 0.04%
2056 -0.69% 0.05%
2055 -0.68% 0.09%
2054 -0.65% 0.1%
2053 -0.64% 0.12%
2052 -0.61% 0.14%
2051 -0.59% 0.16%
2050 -0.57% 0.17%
2049 -0.53% 0.19%
2048 -0.51% 0.21%
2047 -0.49% 0.22%
2046 -0.46% 0.24%
2045 -0.43% 0.25%
2044 -0.41% 0.27%
2043 -0.39% 0.27%
2042 -0.37% 0.28%
2041 -0.34% 0.28%
2040 -0.32% 0.29%
2039 -0.3% 0.3%
2038 -0.28% 0.3%
2037 -0.25% 0.32%
2036 -0.24% 0.34%
2035 -0.21% 0.35%
2034 -0.2% 0.38%
2033 -0.18% 0.38%
2032 -0.16% 0.4%
2031 -0.15% 0.44%
2030 -0.13% 0.45%
2029 -0.12% 0.48%
2028 -0.11% 0.51%
2027 -0.09% 0.52%
2026 -0.08% 0.57%
2025 -0.06% 0.62%
2024 -0.05% 1.07%
2023 -0.05% 1.31%
2022 0.01% 0.93%
2021 0.12% 0.36%
2020 0.17% 0.17%
2019 0.2% 0.52%
2018 0.3% 0.49%
2017 0.42% 0.55%
2016 0.45% 0.8%
2015 0.46% 0.72%
2014 0.53% 0.75%
2013 0.59% 0.67%
2012 0.62% 0.71%
2011 0.62% 0.78%
2010 0.67% 0.79%
2009 0.74% 0.76%
2008 0.77% 0.79%
2007 0.8% 0.78%
2006 0.83% 0.74%
2005 0.86% 0.69%
2004 0.9% 0.57%
2003 0.94% 0.47%
2002 0.97% 0.42%
2001 1.02% 0.39%
2000 1.14% 0.36%
1999 1.26% 0.33%
1998 1.31% 0.29%
1997 1.34% 0.26%
1996 1.39% 0.25%
1995 1.44% 0.26%
1994 1.49% 0.25%
1993 1.56% 0.24%
1992 1.6% 0.27%
1991 1.64% 0.31%
1990 1.65% 0.3%
1989 1.66% 0.26%
1988 1.72% 0.22%
1987 1.75% 0.21%
1986 1.8% 0.23%
1985 1.86% 0.23%
1984 1.92% 0.16%
1983 1.96% 0.03%
1982 1.97% -0.04%
1981 2.03% 0.03%
1980 2.08% 0.12%
1979 2.12% 0.09%
1978 2.21% 0.005%
1977 2.26% -0.03%
1976 2.34% -0.02%
1975 2.47% -0.007%
1974 2.58% 0.06%
1973 2.67% 0.19%
1972 2.7% 0.34%
1971 2.73% 0.42%
1970 2.8% 0.4%
1969 2.86% 0.42%
1968 2.92% 0.49%
1967 2.97% 0.54%
1966 3.01% 0.55%
1965 3.03% 0.64%
1964 3.03% 0.65%
1963 3.02% 0.75%
1962 3% 0.85%
1961 2.97% 0.76%

Data sources: United Nations | World Population Prospects (2025–2100, retrieved 2026-03-10); World Bank | Health (1961–2024, retrieved 2026-04-06).

GeoRank.org/population/thailand/united-kingdom | CC BY

In 2024, the population of Thailand declined by 0.05%, while the United Kingdom's population grew by 1.07%.

Live population counters

Thailand United Kingdom
Current population
71571743
70154914
Population rank 21/197 22/197
Percent of world population 0.86% 0.85%
One net population change
15.3 minutes
43 seconds
One birth every
53.3 seconds
45.9 seconds
One death every
49.5 seconds
48.4 seconds
Daily growth/decline -94 +2,011
Annual growth/decline -34,424 +734,000
Annual growth/decline rate -0.05% +1.07%
Population growth rate rank 168/197 97/197
One migration net change every
19.2 minutes
1.35 minutes
Annual migration change +27,509 +389,911
Net migration rank 30/196 4/196
Foreign-born residents 3,179,399 11,845,479
Foreign-born residents rank 21/195 4/195
Foreign-born share of population 4.4% 17.1%
Foreign-born share rank 100/195 36/195

Natural population change vs migration

Thailand
Natural

Migration
United Kingdom
Natural

Migration
1x
Year Population change
Thailand United Kingdom
Natural Migration Natural Migration
2025 - 27,509 - 389,911
2024 - 23,321 - 417,114
2023 -46,105 19,648 34,589 445,523
2022 -61,046 21,683 39,751 487,029
2021 57,382 -2,093 30,612 462,967
2020 84,107 32,277 -4,272 144,221
2019 116,867 5,221 108,342 232,727
2018 159,383 10,984 119,321 259,744
2017 194,695 66,805 145,125 272,311
2016 226,255 112,978 177,139 324,649
2015 266,362 32,500 175,738 347,839
2014 294,628 55,358 206,784 306,091
2013 325,059 67,452 198,830 237,272
2012 351,485 74,033 248,473 172,088
2011 365,670 66,607 259,361 228,773
2010 370,466 52,791 251,066 274,811
2009 382,636 110,883 230,422 249,639
2008 401,730 107,333 216,325 263,390
2007 425,362 100,486 196,232 309,385
2006 441,211 102,362 176,455 288,923
2005 456,378 100,542 144,963 308,279
2004 466,542 107,199 131,974 276,077
2003 488,003 105,917 89,471 211,846
2002 504,299 105,215 65,308 203,577
2001 524,230 96,817 65,032 175,133
2000 543,884 121,640 70,671 153,917
1999 578,073 173,924 64,551 152,653
1998 617,318 183,471 87,730 125,541
1997 644,834 150,411 99,138 59,723
1996 661,397 152,397 98,884 54,964
1995 682,703 147,226 87,028 61,385
1994 712,589 132,271 127,304 45,339
1993 737,696 122,746 103,893 27,403
1992 754,999 143,318 149,709 17,846
1991 760,508 124,034 143,562 27,601
1990 760,808 152,916 154,569 57,132
1989 774,563 90,497 119,861 49,586
1988 765,252 128,469 136,628 13,952
1987 774,498 122,791 136,325 8,266
1986 783,430 111,820 90,690 41,836
1985 776,935 141,963 79,170 83,164
1984 779,856 139,345 84,633 71,107
1983 794,239 143,393 61,966 27,063
1982 817,951 101,885 56,314 -61,152
1981 839,297 78,337 73,234 -83,876
1980 845,575 88,478 95,734 -25,187
1979 843,434 85,693 61,872 11,255
1978 847,799 82,011 16,859 3,783
1977 871,232 88,937 0 -21,636
1976 894,072 40,656 -5,621 -19,135
1975 911,980 66,306 33,735 -40,241
1974 923,151 72,801 67,476 -65,710
1973 933,540 80,704 112,389 -33,840
1972 940,420 73,082 162,650 -1,406
1971 936,215 43,400 257,123 1,175
1970 937,116 49,221 244,918 -15,254
1969 948,314 26,551 260,577 -60,655
1968 953,806 13,718 292,622 -38,852
1967 944,980 17,005 346,145 -39,659
1966 929,469 12,016 333,356 -27,935
1965 909,000 22,995 364,132 -24,955
1964 885,137 17,249 405,000 -23,885
1963 860,728 16,494 337,995 8,271
1962 828,741 16,605 340,800 76,443
1961 801,140 14,968 311,519 52,295
1960 774,190 6,886 314,400 19,953

Data sources: World Bank | Health (1960–2025, retrieved 2026-04-06).

GeoRank.org/population/thailand/united-kingdom | CC BY

Over the last 10 years, 78.4% of the population change in Thailand is from natural causes (a gain of 1,292,528 people) and 21.6% is from migration (a gain of 355,361 people). In the United Kingdom 23.9% is from natural causes (a gain of 1,033,129 people) and 76.1% is from migration (a gain of 3,283,101 people).

As of 2024, 3,179,399 residents or 4.4% of the population were not native-born in Thailand, compared to 11,845,479 people or 17.1% in the United Kingdom.

Biggest cities by population

Thailand
City Population
Bangkok 5.68M
Chiang Mai 1.2M
Nonthaburi 256K
Pak Kret 190K
Hat Yai 159K
Nakhon Ratchasima 134K
Chaophraya Surasak 133K
Surat Thani 131K
Udon Thani 130K
Klaeng 130K
United Kingdom
City Population
London 8.8M
Birmingham 1.14M
Glasgow 626K
Manchester 548K
Leeds 536K
Sheffield 518K
Liverpool 513K
Edinburgh 488K
Bristol 472K
Cardiff 384K

Compare countries by 7 more topics

Population map with other countries

1x

Data sources: World Bank | Health (1960–2024, retrieved 2026-04-06); United Nations | World Population Prospects (1960–2026, retrieved 2026-03-10); U.S. Census Bureau (1960–2025, retrieved 2026-02-08); Central Intelligence Agency (CIA) (2000–2019, retrieved 2026-02-20).

GeoRank.org/population/thailand/united-kingdom | CC BY

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Data sources:

  1. World Bank | Health (1960–2025, retrieved 2026-04-06)
  2. United Nations | World Population Prospects (1960–2100, retrieved 2026-03-10)
  3. U.S. Census Bureau (1960–2025, retrieved 2026-02-08)
  4. Wikidata (2026, retrieved 2026-02-08)
  5. Central Intelligence Agency (CIA) (2000–2019, retrieved 2026-02-20)

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