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Population in the Cayman Islands compared to Tonga: Trends, Charts, Rankings

Updated on by Georank

The latest officially reported population of the Cayman Islands was 75,844 in 2025 vs 103,742 people in Tonga in 2025. In 2026, based on the adjusted UN estimation, the current Cayman Islands' population is 77,917 people compared to 103,283 in Tonga.

Population statistics:

  • Tonga's population is 1.33 times bigger than the Cayman Islands'.
  • The Cayman Islands is ranked the 187th most populous country in the world, while Tonga is the 183rd.
  • The countries together account for 0.002% of the world: 0.0009% for the Cayman Islands vs 0.001% for Tonga.
  • For the last 10 years, the Cayman Islands has had an average growth rate of +2.13% per year vs -0.25% in Tonga.
  • Since 2006, the population of the Cayman Islands has increased from 48.2K people to 77.9K (61.5% growth), while Tonga has declined from 106K to 103K (2.8% decline).

Cayman Islands vs Tonga: population by year and forecast

Cayman Islands
Factual

Projection
Tonga
Factual

Projection
1x
Year Population
Cayman Islands Tonga
2100 119,150 117,617
2099 119,178 117,585
2098 119,218 117,530
2097 119,188 117,492
2096 119,152 117,461
2095 119,094 117,383
2094 119,012 117,290
2093 118,929 117,207
2092 118,819 117,097
2091 118,645 116,983
2090 118,489 116,838
2089 118,390 116,682
2088 118,298 116,481
2087 118,168 116,277
2086 118,045 116,088
2085 117,899 115,872
2084 117,740 115,628
2083 117,587 115,336
2082 117,430 115,041
2081 117,288 114,752
2080 117,160 114,424
2079 117,000 114,074
2078 116,877 113,710
2077 116,656 113,349
2076 116,480 112,945
2075 116,308 112,565
2074 116,079 112,179
2073 115,896 111,790
2072 115,606 111,377
2071 115,356 110,963
2070 115,053 110,576
2069 114,758 110,209
2068 114,420 109,825
2067 114,105 109,446
2066 113,810 109,062
2065 113,519 108,736
2064 113,187 108,377
2063 112,814 108,033
2062 112,403 107,710
2061 111,986 107,396
2060 111,513 107,117
2059 110,988 106,842
2058 110,415 106,589
2057 109,853 106,345
2056 109,139 106,130
2055 108,436 105,915
2054 107,727 105,698
2053 106,986 105,486
2052 106,236 105,286
2051 105,360 105,079
2050 104,451 104,844
2049 103,606 104,636
2048 102,653 104,387
2047 101,731 104,154
2046 100,784 103,852
2045 99,791 103,548
2044 98,788 103,215
2043 97,721 102,934
2042 96,637 102,692
2041 95,542 102,447
2040 94,404 102,228
2039 93,283 102,061
2038 92,149 101,835
2037 91,002 101,707
2036 89,845 101,627
2035 88,706 101,580
2034 87,539 101,571
2033 86,306 101,591
2032 85,083 101,633
2031 83,804 101,764
2030 82,526 101,928
2029 81,242 102,181
2028 79,922 102,494
2027 78,573 102,841
2026 77,225 103,283
2025 75,844 103,742
2024 74,457 104,175
2023 73,038 104,597
2022 71,591 105,042
2021 70,108 105,490
2020 68,684 105,704
2019 67,327 105,669
2018 65,941 105,567
2017 64,535 105,356
2016 63,100 105,524
2015 61,642 106,095
2014 60,160 106,609
2013 58,655 107,078
2012 57,136 107,460
2011 55,606 107,570
2010 54,099 107,400
2009 52,618 107,203
2008 51,151 107,020
2007 49,687 106,726
2006 48,232 106,253
2005 46,788 105,671
2004 45,352 105,071
2003 43,934 104,464
2002 42,514 103,874
2001 41,089 103,288
2000 39,674 102,677
1999 38,284 102,046
1998 36,922 101,388
1997 35,543 100,674
1996 34,143 100,275
1995 32,743 100,225
1994 31,352 100,166
1993 29,976 100,103
1992 28,621 100,022
1991 27,294 99,895
1990 25,999 99,700
1989 24,874 99,403
1988 23,951 98,969
1987 23,073 98,376
1986 22,197 98,010
1985 21,324 97,984
1984 20,454 97,990
1983 19,598 97,998
1982 18,750 97,980
1981 17,905 97,909
1980 17,079 97,769
1979 16,351 97,544
1978 15,727 97,204
1977 15,105 96,725
1976 14,454 95,325
1975 13,788 93,017
1974 13,114 90,683
1973 12,438 88,805
1972 11,764 87,356
1971 11,098 85,896
1970 10,517 84,401
1969 10,165 82,885
1968 9,971 81,353
1967 9,769 79,814
1966 9,560 78,002
1965 9,361 75,924
1964 9,166 73,879
1963 8,970 71,885
1962 8,781 69,940
1961 8,601 68,037
1960 8,428 66,170

Data sources: United Nations | World Population Prospects (2026–2100, retrieved 2026-07-08); World Bank | Health (1960–2025, retrieved 2026-07-08).

GeoRank.org/population/cayman-islands/tonga | CC BY

From 2006 to 2016, the population of the Cayman Islands increased by 14,868 people (a 30.8% growth), while Tonga lost 729 people (a 0.69% decline).

For the next 10 years, from 2016 to 2026, the Cayman Islands gained 14,817 people (a 23.5% growth), while Tonga's population decreased by 2,241 people (a 2.12% decline).

The Cayman Islands was ranked 189th most populous country in 2006 and is 187th in 2026. Tonga was ranked 182nd in 2006 and ranked 183rd now.

The UN's World Population Prospects forecasts that in 24 years (in 2050) the Cayman Islands' population will grow by 34.1% to 104,451 people with a rank change from 187th to 184th. The population of Tonga will increase by 1.51% to 104,844 people and will still be ranked 183rd.

The Cayman Islands is projected to reach its peak in 2098 at 119K people compared to the peak of 118K people in 2100 for Tonga.

Population growth rate by year

Cayman Islands
Factual

Projection
Tonga
Factual

Projection
1x
Year Growth rate
Cayman Islands Tonga
2100 -0.02% 0.03%
2099 -0.03% 0.05%
2098 0.03% 0.03%
2097 0.03% 0.03%
2096 0.05% 0.07%
2095 0.07% 0.08%
2094 0.07% 0.07%
2093 0.09% 0.09%
2092 0.15% 0.1%
2091 0.13% 0.12%
2090 0.08% 0.13%
2089 0.08% 0.17%
2088 0.11% 0.18%
2087 0.1% 0.16%
2086 0.12% 0.19%
2085 0.14% 0.21%
2084 0.13% 0.25%
2083 0.13% 0.26%
2082 0.12% 0.25%
2081 0.11% 0.29%
2080 0.14% 0.31%
2079 0.11% 0.32%
2078 0.19% 0.32%
2077 0.15% 0.36%
2076 0.15% 0.34%
2075 0.2% 0.34%
2074 0.16% 0.35%
2073 0.25% 0.37%
2072 0.22% 0.37%
2071 0.26% 0.35%
2070 0.26% 0.33%
2069 0.3% 0.35%
2068 0.28% 0.35%
2067 0.26% 0.35%
2066 0.26% 0.3%
2065 0.29% 0.33%
2064 0.33% 0.32%
2063 0.37% 0.3%
2062 0.37% 0.29%
2061 0.42% 0.26%
2060 0.47% 0.26%
2059 0.52% 0.24%
2058 0.51% 0.23%
2057 0.65% 0.2%
2056 0.65% 0.2%
2055 0.66% 0.2%
2054 0.69% 0.2%
2053 0.71% 0.19%
2052 0.83% 0.2%
2051 0.87% 0.22%
2050 0.82% 0.2%
2049 0.93% 0.24%
2048 0.91% 0.22%
2047 0.94% 0.29%
2046 1% 0.29%
2045 1.02% 0.32%
2044 1.09% 0.27%
2043 1.12% 0.24%
2042 1.15% 0.24%
2041 1.21% 0.21%
2040 1.2% 0.16%
2039 1.23% 0.22%
2038 1.26% 0.13%
2037 1.29% 0.08%
2036 1.28% 0.05%
2035 1.33% 0.009%
2034 1.43% -0.02%
2033 1.44% -0.04%
2032 1.53% -0.13%
2031 1.55% -0.16%
2030 1.58% -0.25%
2029 1.65% -0.31%
2028 1.72% -0.34%
2027 1.75% -0.43%
2026 1.82% -0.44%
2025 1.86% -0.42%
2024 1.94% -0.4%
2023 2.02% -0.42%
2022 2.12% -0.42%
2021 2.07% -0.2%
2020 2.02% 0.03%
2019 2.1% 0.1%
2018 2.18% 0.2%
2017 2.27% -0.16%
2016 2.37% -0.54%
2015 2.46% -0.48%
2014 2.57% -0.44%
2013 2.66% -0.36%
2012 2.75% -0.1%
2011 2.79% 0.16%
2010 2.81% 0.18%
2009 2.87% 0.17%
2008 2.95% 0.28%
2007 3.02% 0.45%
2006 3.09% 0.55%
2005 3.17% 0.57%
2004 3.23% 0.58%
2003 3.34% 0.57%
2002 3.47% 0.57%
2001 3.57% 0.6%
2000 3.63% 0.62%
1999 3.69% 0.65%
1998 3.88% 0.71%
1997 4.1% 0.4%
1996 4.28% 0.05%
1995 4.44% 0.06%
1994 4.59% 0.06%
1993 4.73% 0.08%
1992 4.86% 0.13%
1991 4.98% 0.2%
1990 4.52% 0.3%
1989 3.85% 0.44%
1988 3.81% 0.6%
1987 3.95% 0.37%
1986 4.09% 0.03%
1985 4.25% -0.006%
1984 4.37% -0.008%
1983 4.52% 0.02%
1982 4.72% 0.07%
1981 4.84% 0.14%
1980 4.45% 0.23%
1979 3.97% 0.35%
1978 4.12% 0.5%
1977 4.5% 1.47%
1976 4.83% 2.48%
1975 5.14% 2.57%
1974 5.43% 2.11%
1973 5.73% 1.66%
1972 6% 1.7%
1971 5.52% 1.77%
1970 3.46% 1.83%
1969 1.95% 1.88%
1968 2.07% 1.93%
1967 2.19% 2.32%
1966 2.13% 2.74%
1965 2.13% 2.77%
1964 2.19% 2.77%
1963 2.15% 2.78%
1962 2.09% 2.8%
1961 2.05% 2.82%

Data sources: United Nations | World Population Prospects (2026–2100, retrieved 2026-07-08); World Bank | Health (1961–2025, retrieved 2026-07-08).

GeoRank.org/population/cayman-islands/tonga | CC BY

In 2025, the population of the Cayman Islands grew by 1.86%, while Tonga's population declined by 0.42%.

Live population counters

Cayman Islands Tonga
Current population
77917
103283
Population rank 187/197 183/197
Percent of world population 0.0009% 0.001%
One net population change
6.33 hours
20.3 hours
One birth every
10.2 hours
3.65 hours
One death every
1.01 days
13.1 hours
Daily growth/decline +4 -1
Annual growth/decline +1,387 -433
Annual growth/decline rate +1.86% -0.42%
Population growth rate rank 56/197 181/197
One migration net change every
9.89 hours
4.09 hours
Annual migration change +888 -2,150
Net migration rank 65/196 99/196
Foreign-born residents 31,935 3,581
Foreign-born residents rank 162/195 187/195
Foreign-born share of population 42.9% 3.4%
Foreign-born share rank 13/195 113/195

Natural population change vs migration

Cayman Islands
Natural

Migration
Tonga
Natural

Migration
1x
Year Population change
Cayman Islands Tonga
Natural Migration Natural Migration
2025 - 888 - -2,150
2024 498 896 1,729 -2,149
2023 514 921 1,744 -2,173
2022 527 942 1,772 -2,218
2021 533 965 1,773 -2,220
2020 539 810 1,816 -1,807
2019 514 859 1,841 -1,778
2018 383 1,011 1,873 -1,723
2017 351 1,065 1,912 -1,642
2016 351 1,094 1,989 -2,591
2015 364 1,107 2,064 -2,610
2014 392 1,105 2,135 -2,622
2013 439 1,077 2,199 -2,637
2012 468 1,060 2,255 -2,578
2011 503 1,024 2,298 -2,198
2010 515 978 2,332 -2,097
2009 513 951 2,358 -2,204
2008 490 975 2,397 -2,177
2007 468 990 2,423 -2,057
2006 451 997 2,459 -1,875
2005 439 1,002 2,495 -1,906
2004 426 1,004 2,478 -1,876
2003 416 1,003 2,448 -1,844
2002 407 1,019 2,396 -1,815
2001 400 1,026 2,358 -1,766
2000 392 1,021 2,346 -1,721
1999 394 960 2,352 -1,710
1998 392 974 2,344 -1,665
1997 387 1,004 2,332 -1,589
1996 377 1,026 2,393 -2,338
1995 362 1,039 2,476 -2,422
1994 343 1,042 2,547 -2,484
1993 325 1,040 2,594 -2,532
1992 320 1,020 2,622 -2,524
1991 327 982 2,637 -2,484
1990 284 998 2,641 -2,409
1989 269 700 2,644 -2,280
1988 233 646 2,649 -2,138
1987 214 663 2,646 -1,970
1986 227 649 2,704 -2,650
1985 225 646 2,762 -2,775
1984 216 649 2,814 -2,823
1983 206 648 2,840 -2,840
1982 217 629 2,853 -2,814
1981 255 578 2,882 -2,778
1980 232 588 2,885 -2,708
1979 210 425 2,884 -2,604
1978 195 413 2,862 -2,457
1977 184 456 2,822 -2,273
1976 180 484 2,769 -523
1975 181 492 2,709 -346
1974 184 493 2,650 -344
1973 216 460 2,617 -1,168
1972 292 375 2,605 -1,153
1971 158 500 2,611 -1,138
1970 219 294 2,628 -1,122
1969 139 43 2,632 -1,101
1968 167 39 2,614 -1,078
1967 168 41 2,603 -1,060
1966 167 37 2,550 -465
1965 168 28 2,498 -426
1964 179 16 2,445 -428
1963 191 1 2,394 -426
1962 192 -6 2,343 -420
1961 188 -7 2,284 -401
1960 180 -24 2,230 -384

Data sources: World Bank | Health (1960–2025, retrieved 2026-07-08).

GeoRank.org/population/cayman-islands/tonga | CC BY

Over the last 10 years, 32.1% of the population change in the Cayman Islands is from natural causes (a gain of 4,574 people) and 67.9% is from migration (a gain of 9,670 people). In Tonga 47% is from natural causes (a gain of 18,513 people) and 53% is from migration (a loss of 20,911 people).

As of 2024, 31,935 residents or 42.9% of the population were not native-born in the Cayman Islands, compared to 3,581 people or 3.4% in Tonga.

Biggest cities by population

Cayman Islands
City Population
George Town 40.2K
Tonga
City Population
Nukualofa 23.2K
Mua 5K

Compare countries by 7 more topics

Population map with other countries

1x

Data sources: World Bank | Health (1960–2025, retrieved 2026-07-08); United Nations | World Population Prospects (1960–2026, retrieved 2026-07-08); U.S. Census Bureau (1960–2025, retrieved 2026-07-08); Central Intelligence Agency (CIA) (2000–2019, retrieved 2026-07-08).

GeoRank.org/population/cayman-islands/tonga | CC BY

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Data sources:

  1. World Bank | Health (1960–2025, retrieved 2026-07-08)
  2. United Nations | World Population Prospects (1960–2100, retrieved 2026-07-08)
  3. U.S. Census Bureau (1960–2025, retrieved 2026-07-08)
  4. Central Intelligence Agency (CIA) (2000–2019, retrieved 2026-07-08)
  5. Wikidata (2026, retrieved 2026-07-08)

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