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

Updated on by Georank team

The latest officially reported population of Tonga was 104,175 in 2024 vs 69,226,000 people in the United Kingdom in 2024. In 2026, based on the adjusted UN estimation, the current Tonga's population is 103,309 people compared to 70,154,914 in the United Kingdom.

Population statistics:

  • The United Kingdom's population is 679 times bigger than Tonga's.
  • Tonga is ranked the 183rd most populous country in the world, while the United Kingdom is the 22nd.
  • The countries together account for 0.85% of the world: 0.001% for Tonga vs 0.85% for the United Kingdom.
  • For the last 10 years, Tonga has had an average growth rate of -0.25% per year vs +0.7% in the United Kingdom.
  • Since 2006, the population of Tonga has decreased from 106K people to 103K (2.77% decline), while the United Kingdom has grown from 60.8M to 70.2M (15.3% growth).

Tonga vs United Kingdom: population by year and forecast

Tonga
Factual

Projection
United Kingdom
Factual

Projection
1x
Year Population
Tonga United Kingdom
2100 117,647 74,700,585
2099 117,615 74,831,175
2098 117,560 74,950,267
2097 117,522 75,064,397
2096 117,491 75,176,691
2095 117,414 75,287,063
2094 117,321 75,383,856
2093 117,237 75,482,205
2092 117,127 75,575,769
2091 117,013 75,666,091
2090 116,869 75,753,129
2089 116,712 75,835,723
2088 116,511 75,907,614
2087 116,307 75,978,712
2086 116,118 76,046,742
2085 115,902 76,105,680
2084 115,658 76,156,223
2083 115,366 76,205,894
2082 115,071 76,246,844
2081 114,782 76,274,040
2080 114,453 76,306,205
2079 114,103 76,334,949
2078 113,740 76,353,484
2077 113,378 76,371,123
2076 112,974 76,373,520
2075 112,594 76,386,071
2074 112,208 76,397,426
2073 111,819 76,406,554
2072 111,405 76,398,941
2071 110,992 76,388,223
2070 110,605 76,378,505
2069 110,238 76,371,827
2068 109,853 76,370,973
2067 109,474 76,363,548
2066 109,090 76,356,638
2065 108,765 76,355,841
2064 108,405 76,352,770
2063 108,061 76,353,175
2062 107,738 76,346,535
2061 107,424 76,344,206
2060 107,145 76,344,725
2059 106,869 76,345,215
2058 106,617 76,326,961
2057 106,372 76,307,006
2056 106,158 76,274,247
2055 105,942 76,235,304
2054 105,725 76,167,710
2053 105,513 76,094,051
2052 105,313 76,001,979
2051 105,106 75,895,690
2050 104,871 75,777,445
2049 104,663 75,646,044
2048 104,414 75,499,380
2047 104,180 75,338,951
2046 103,879 75,171,300
2045 103,575 74,993,186
2044 103,241 74,807,530
2043 102,961 74,607,485
2042 102,718 74,407,783
2041 102,474 74,203,292
2040 102,254 73,994,525
2039 102,088 73,782,112
2038 101,861 73,559,085
2037 101,733 73,335,723
2036 101,653 73,101,646
2035 101,607 72,850,722
2034 101,598 72,597,177
2033 101,618 72,322,802
2032 101,659 72,046,316
2031 101,790 71,757,868
2030 101,954 71,442,811
2029 102,207 71,123,782
2028 102,521 70,783,199
2027 102,868 70,421,923
2026 103,309 70,055,911
2025 103,768 69,658,188
2024 104,175 69,226,000
2023 104,597 68,492,000
2022 105,042 67,604,000
2021 105,490 66,984,000
2020 105,704 66,744,000
2019 105,669 66,631,000
2018 105,567 66,289,000
2017 105,356 65,966,000
2016 105,524 65,607,000
2015 106,095 65,088,000
2014 106,609 64,620,000
2013 107,078 64,139,000
2012 107,460 63,711,000
2011 107,570 63,258,810
2010 107,400 62,766,365
2009 107,203 62,276,270
2008 107,020 61,806,995
2007 106,726 61,322,463
2006 106,253 60,846,820
2005 105,671 60,401,206
2004 105,071 59,987,905
2003 104,464 59,647,577
2002 103,874 59,370,479
2001 103,288 59,119,673
2000 102,677 58,892,514
1999 102,046 58,682,466
1998 101,388 58,487,141
1997 100,674 58,316,954
1996 100,275 58,166,950
1995 100,225 58,019,030
1994 100,166 57,865,745
1993 100,103 57,718,614
1992 100,022 57,580,402
1991 99,895 57,424,897
1990 99,700 57,247,586
1989 99,403 57,076,711
1988 98,969 56,928,327
1987 98,376 56,802,050
1986 98,010 56,681,396
1985 97,984 56,550,268
1984 97,990 56,422,072
1983 97,998 56,332,848
1982 97,980 56,313,641
1981 97,909 56,333,829
1980 97,769 56,314,216
1979 97,544 56,246,951
1978 97,204 56,196,504
1977 96,725 56,193,492
1976 95,325 56,211,968
1975 93,017 56,225,800
1974 90,683 56,229,974
1973 88,805 56,194,527
1972 87,356 56,086,065
1971 85,896 55,896,223
1970 84,401 55,663,250
1969 82,885 55,441,750
1968 81,353 55,211,700
1967 79,814 54,943,600
1966 78,002 54,648,500
1965 75,924 54,348,050
1964 73,879 54,000,000
1963 71,885 53,650,000
1962 69,940 53,250,000
1961 68,037 52,800,000
1960 66,170 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/tonga/united-kingdom | CC BY

From 2006 to 2016, the population of Tonga decreased by 729 people (a 0.69% decline), while the United Kingdom gained 4,760,180 people (a 7.82% growth).

For the next 10 years, from 2016 to 2026, Tonga lost 2,215 people (a 2.1% decline), while the United Kingdom's population increased by 4,547,914 people (a 6.93% growth).

Tonga was ranked 182nd most populous country in 2006 and is 183rd 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) Tonga's population will grow by 1.51% to 104,871 people and will still be ranked 183rd. The population of the United Kingdom will increase by 8.01% to 75,777,445 people and rank change from 22nd to 26th.

Tonga is projected to reach its peak in 2100 at 118K people compared to the peak of 76.4M people in 2073 for the United Kingdom.

Population growth rate by year

Tonga
Factual

Projection
United Kingdom
Factual

Projection
1x
Year Growth rate
Tonga United Kingdom
2100 0.03% -0.17%
2099 0.05% -0.16%
2098 0.03% -0.15%
2097 0.03% -0.15%
2096 0.07% -0.15%
2095 0.08% -0.13%
2094 0.07% -0.13%
2093 0.09% -0.12%
2092 0.1% -0.12%
2091 0.12% -0.11%
2090 0.13% -0.11%
2089 0.17% -0.09%
2088 0.18% -0.09%
2087 0.16% -0.09%
2086 0.19% -0.08%
2085 0.21% -0.07%
2084 0.25% -0.07%
2083 0.26% -0.05%
2082 0.25% -0.04%
2081 0.29% -0.04%
2080 0.31% -0.04%
2079 0.32% -0.02%
2078 0.32% -0.02%
2077 0.36% -0.003%
2076 0.34% -0.02%
2075 0.34% -0.01%
2074 0.35% -0.01%
2073 0.37% 0.01%
2072 0.37% 0.01%
2071 0.35% 0.01%
2070 0.33% 0.009%
2069 0.35% 0.001%
2068 0.35% 0.01%
2067 0.35% 0.009%
2066 0.3% 0.001%
2065 0.33% 0.004%
2064 0.32% -0%
2063 0.3% 0.009%
2062 0.29% 0.003%
2061 0.26% -0.001%
2060 0.26% -0.001%
2059 0.24% 0.02%
2058 0.23% 0.03%
2057 0.2% 0.04%
2056 0.2% 0.05%
2055 0.2% 0.09%
2054 0.2% 0.1%
2053 0.19% 0.12%
2052 0.2% 0.14%
2051 0.22% 0.16%
2050 0.2% 0.17%
2049 0.24% 0.19%
2048 0.22% 0.21%
2047 0.29% 0.22%
2046 0.29% 0.24%
2045 0.32% 0.25%
2044 0.27% 0.27%
2043 0.24% 0.27%
2042 0.24% 0.28%
2041 0.21% 0.28%
2040 0.16% 0.29%
2039 0.22% 0.3%
2038 0.13% 0.3%
2037 0.08% 0.32%
2036 0.05% 0.34%
2035 0.009% 0.35%
2034 -0.02% 0.38%
2033 -0.04% 0.38%
2032 -0.13% 0.4%
2031 -0.16% 0.44%
2030 -0.25% 0.45%
2029 -0.31% 0.48%
2028 -0.34% 0.51%
2027 -0.43% 0.52%
2026 -0.44% 0.57%
2025 -0.39% 0.62%
2024 -0.4% 1.07%
2023 -0.42% 1.31%
2022 -0.42% 0.93%
2021 -0.2% 0.36%
2020 0.03% 0.17%
2019 0.1% 0.52%
2018 0.2% 0.49%
2017 -0.16% 0.55%
2016 -0.54% 0.8%
2015 -0.48% 0.72%
2014 -0.44% 0.75%
2013 -0.36% 0.67%
2012 -0.1% 0.71%
2011 0.16% 0.78%
2010 0.18% 0.79%
2009 0.17% 0.76%
2008 0.28% 0.79%
2007 0.45% 0.78%
2006 0.55% 0.74%
2005 0.57% 0.69%
2004 0.58% 0.57%
2003 0.57% 0.47%
2002 0.57% 0.42%
2001 0.6% 0.39%
2000 0.62% 0.36%
1999 0.65% 0.33%
1998 0.71% 0.29%
1997 0.4% 0.26%
1996 0.05% 0.25%
1995 0.06% 0.26%
1994 0.06% 0.25%
1993 0.08% 0.24%
1992 0.13% 0.27%
1991 0.2% 0.31%
1990 0.3% 0.3%
1989 0.44% 0.26%
1988 0.6% 0.22%
1987 0.37% 0.21%
1986 0.03% 0.23%
1985 -0.006% 0.23%
1984 -0.008% 0.16%
1983 0.02% 0.03%
1982 0.07% -0.04%
1981 0.14% 0.03%
1980 0.23% 0.12%
1979 0.35% 0.09%
1978 0.5% 0.005%
1977 1.47% -0.03%
1976 2.48% -0.02%
1975 2.57% -0.007%
1974 2.11% 0.06%
1973 1.66% 0.19%
1972 1.7% 0.34%
1971 1.77% 0.42%
1970 1.83% 0.4%
1969 1.88% 0.42%
1968 1.93% 0.49%
1967 2.32% 0.54%
1966 2.74% 0.55%
1965 2.77% 0.64%
1964 2.77% 0.65%
1963 2.78% 0.75%
1962 2.8% 0.85%
1961 2.82% 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/tonga/united-kingdom | CC BY

In 2024, the population of Tonga declined by 0.4%, while the United Kingdom's population grew by 1.07%.

Live population counters

Tonga United Kingdom
Current population
103309
70154914
Population rank 183/197 22/197
Percent of world population 0.001% 0.85%
One net population change
20.8 hours
43 seconds
One birth every
3.62 hours
45.9 seconds
One death every
13 hours
48.4 seconds
Daily growth/decline -1 +2,011
Annual growth/decline -422 +734,000
Annual growth/decline rate -0.4% +1.07%
Population growth rate rank 183/197 97/197
One migration net change every
4.09 hours
1.35 minutes
Annual migration change -2,150 +389,911
Net migration rank 99/196 4/196
Foreign-born residents 3,581 11,845,479
Foreign-born residents rank 187/195 4/195
Foreign-born share of population 3.4% 17.1%
Foreign-born share rank 113/195 36/195

Natural population change vs migration

Tonga
Natural

Migration
United Kingdom
Natural

Migration
1x
Year Population change
Tonga United Kingdom
Natural Migration Natural Migration
2025 - -2,150 - 389,911
2024 - -2,149 - 417,114
2023 1,744 -2,173 34,589 445,523
2022 1,772 -2,218 39,751 487,029
2021 1,773 -2,220 30,612 462,967
2020 1,816 -1,807 -4,272 144,221
2019 1,841 -1,778 108,342 232,727
2018 1,873 -1,723 119,321 259,744
2017 1,912 -1,642 145,125 272,311
2016 1,989 -2,591 177,139 324,649
2015 2,064 -2,610 175,738 347,839
2014 2,135 -2,622 206,784 306,091
2013 2,199 -2,637 198,830 237,272
2012 2,255 -2,578 248,473 172,088
2011 2,298 -2,198 259,361 228,773
2010 2,332 -2,097 251,066 274,811
2009 2,358 -2,204 230,422 249,639
2008 2,397 -2,177 216,325 263,390
2007 2,423 -2,057 196,232 309,385
2006 2,459 -1,875 176,455 288,923
2005 2,495 -1,906 144,963 308,279
2004 2,478 -1,876 131,974 276,077
2003 2,448 -1,844 89,471 211,846
2002 2,396 -1,815 65,308 203,577
2001 2,358 -1,766 65,032 175,133
2000 2,346 -1,721 70,671 153,917
1999 2,352 -1,710 64,551 152,653
1998 2,344 -1,665 87,730 125,541
1997 2,332 -1,589 99,138 59,723
1996 2,393 -2,338 98,884 54,964
1995 2,476 -2,422 87,028 61,385
1994 2,547 -2,484 127,304 45,339
1993 2,594 -2,532 103,893 27,403
1992 2,622 -2,524 149,709 17,846
1991 2,637 -2,484 143,562 27,601
1990 2,641 -2,409 154,569 57,132
1989 2,644 -2,280 119,861 49,586
1988 2,649 -2,138 136,628 13,952
1987 2,646 -1,970 136,325 8,266
1986 2,704 -2,650 90,690 41,836
1985 2,762 -2,775 79,170 83,164
1984 2,814 -2,823 84,633 71,107
1983 2,840 -2,840 61,966 27,063
1982 2,853 -2,814 56,314 -61,152
1981 2,882 -2,778 73,234 -83,876
1980 2,885 -2,708 95,734 -25,187
1979 2,884 -2,604 61,872 11,255
1978 2,862 -2,457 16,859 3,783
1977 2,822 -2,273 0 -21,636
1976 2,769 -523 -5,621 -19,135
1975 2,709 -346 33,735 -40,241
1974 2,650 -344 67,476 -65,710
1973 2,617 -1,168 112,389 -33,840
1972 2,605 -1,153 162,650 -1,406
1971 2,611 -1,138 257,123 1,175
1970 2,628 -1,122 244,918 -15,254
1969 2,632 -1,101 260,577 -60,655
1968 2,614 -1,078 292,622 -38,852
1967 2,603 -1,060 346,145 -39,659
1966 2,550 -465 333,356 -27,935
1965 2,498 -426 364,132 -24,955
1964 2,445 -428 405,000 -23,885
1963 2,394 -426 337,995 8,271
1962 2,343 -420 340,800 76,443
1961 2,284 -401 311,519 52,295
1960 2,230 -384 314,400 19,953

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

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

Over the last 10 years, 46.9% of the population change in Tonga is from natural causes (a gain of 18,919 people) and 53.1% is from migration (a loss of 21,384 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, 3,581 residents or 3.4% of the population were not native-born in Tonga, compared to 11,845,479 people or 17.1% in the United Kingdom.

Biggest cities by population

Tonga
City Population
Nukualofa 23.2K
Mua 5K
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/tonga/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. Central Intelligence Agency (CIA) (2000–2019, retrieved 2026-02-20)
  5. Wikidata (2026, retrieved 2026-02-08)

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