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Population in Cambodia compared to Tonga: Trends, Charts, Rankings

Updated on by Georank

The latest officially reported population of Cambodia was 17,847,982 in 2025 vs 103,742 people in Tonga in 2025. In 2026, based on the adjusted UN estimation, the current Cambodia's population is 18,159,213 people compared to 103,283 in Tonga.

Population statistics:

  • Cambodia's population is 175.8 times bigger than Tonga's.
  • Cambodia is ranked the 73rd most populous country in the world, while Tonga is the 183rd.
  • The countries together account for 0.22% of the world: 0.22% for Cambodia vs 0.001% for Tonga.
  • For the last 10 years, Cambodia has had an average growth rate of +1.35% per year vs -0.25% in Tonga.
  • Since 2006, the population of Cambodia has increased from 13.6M people to 18.2M (33.1% growth), while Tonga has declined from 106K to 103K (2.8% decline).

Cambodia vs Tonga: population by year and forecast

Cambodia
Factual

Projection
Tonga
Factual

Projection
1x
Year Population
Cambodia Tonga
2100 22,901,914 117,617
2099 22,958,383 117,585
2098 23,015,331 117,530
2097 23,068,989 117,492
2096 23,118,854 117,461
2095 23,162,704 117,383
2094 23,207,466 117,290
2093 23,247,521 117,207
2092 23,285,540 117,097
2091 23,317,510 116,983
2090 23,349,581 116,838
2089 23,381,110 116,682
2088 23,404,619 116,481
2087 23,429,179 116,277
2086 23,450,970 116,088
2085 23,469,059 115,872
2084 23,486,236 115,628
2083 23,498,658 115,336
2082 23,506,751 115,041
2081 23,512,878 114,752
2080 23,518,840 114,424
2079 23,523,165 114,074
2078 23,523,989 113,710
2077 23,519,769 113,349
2076 23,512,440 112,945
2075 23,506,393 112,565
2074 23,494,004 112,179
2073 23,481,588 111,790
2072 23,463,712 111,377
2071 23,443,140 110,963
2070 23,420,769 110,576
2069 23,393,461 110,209
2068 23,362,386 109,825
2067 23,324,169 109,446
2066 23,283,399 109,062
2065 23,242,009 108,736
2064 23,191,929 108,377
2063 23,139,318 108,033
2062 23,083,489 107,710
2061 23,020,659 107,396
2060 22,951,813 107,117
2059 22,877,844 106,842
2058 22,799,179 106,589
2057 22,715,484 106,345
2056 22,628,607 106,130
2055 22,537,541 105,915
2054 22,440,088 105,698
2053 22,338,320 105,486
2052 22,231,339 105,286
2051 22,117,409 105,079
2050 22,001,254 104,844
2049 21,877,484 104,636
2048 21,749,790 104,387
2047 21,618,052 104,154
2046 21,480,480 103,852
2045 21,340,224 103,548
2044 21,195,511 103,215
2043 21,046,437 102,934
2042 20,893,438 102,692
2041 20,738,659 102,447
2040 20,582,241 102,228
2039 20,421,184 102,061
2038 20,256,225 101,835
2037 20,088,660 101,707
2036 19,922,341 101,627
2035 19,747,906 101,580
2034 19,573,792 101,571
2033 19,395,265 101,591
2032 19,215,259 101,633
2031 19,030,553 101,764
2030 18,843,778 101,928
2029 18,652,372 102,181
2028 18,456,287 102,494
2027 18,256,828 102,841
2026 18,056,115 103,283
2025 17,847,982 103,742
2024 17,638,801 104,175
2023 17,423,880 104,597
2022 17,201,724 105,042
2021 16,974,305 105,490
2020 16,725,474 105,704
2019 16,481,304 105,669
2018 16,274,522 105,567
2017 16,073,372 105,356
2016 15,852,803 105,524
2015 15,623,251 106,095
2014 15,396,772 106,609
2013 15,170,208 107,078
2012 14,945,085 107,460
2011 14,722,584 107,570
2010 14,500,726 107,400
2009 14,276,810 107,203
2008 14,053,479 107,020
2007 13,841,770 106,726
2006 13,639,028 106,253
2005 13,439,202 105,671
2004 13,244,731 105,071
2003 13,050,968 104,464
2002 12,855,241 103,874
2001 12,658,484 103,288
2000 12,462,336 102,677
1999 12,265,731 102,046
1998 12,058,173 101,388
1997 11,570,982 100,674
1996 10,801,270 100,275
1995 10,018,497 100,225
1994 9,239,162 100,166
1993 8,616,381 100,103
1992 8,113,083 100,022
1991 7,686,850 99,895
1990 7,374,752 99,700
1989 7,073,473 99,403
1988 6,812,014 98,969
1987 6,557,970 98,376
1986 6,285,693 98,010
1985 6,043,783 97,984
1984 5,845,117 97,990
1983 5,636,203 97,998
1982 5,436,432 97,980
1981 5,284,495 97,909
1980 5,199,872 97,769
1979 5,088,808 97,544
1978 5,211,653 97,204
1977 5,668,551 96,725
1976 6,134,991 95,325
1975 6,581,371 93,017
1974 6,783,240 90,683
1973 6,739,726 88,805
1972 6,673,886 87,356
1971 6,620,880 85,896
1970 6,639,182 84,401
1969 6,604,725 82,885
1968 6,467,324 81,353
1967 6,332,944 79,814
1966 6,201,232 78,002
1965 6,072,289 75,924
1964 5,946,178 73,879
1963 5,823,010 71,885
1962 5,697,558 69,940
1961 5,571,168 68,037
1960 5,449,966 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/cambodia/tonga | CC BY

From 2006 to 2016, the population of Cambodia increased by 2,213,775 people (a 16.2% growth), while Tonga lost 729 people (a 0.69% decline).

For the next 10 years, from 2016 to 2026, Cambodia gained 2,306,410 people (a 14.5% growth), while Tonga's population decreased by 2,241 people (a 2.12% decline).

Cambodia was ranked 67th most populous country in 2006 and is 73rd 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) Cambodia's population will grow by 21.2% to 22,001,254 people and will still be ranked 73rd. The population of Tonga will increase by 1.51% to 104,844 people and will still be ranked 183rd.

Cambodia is projected to reach its peak in 2078 at 23.5M people compared to the peak of 118K people in 2100 for Tonga.

Population growth rate by year

Cambodia
Factual

Projection
Tonga
Factual

Projection
1x
Year Growth rate
Cambodia Tonga
2100 -0.25% 0.03%
2099 -0.25% 0.05%
2098 -0.23% 0.03%
2097 -0.22% 0.03%
2096 -0.19% 0.07%
2095 -0.19% 0.08%
2094 -0.17% 0.07%
2093 -0.16% 0.09%
2092 -0.14% 0.1%
2091 -0.14% 0.12%
2090 -0.13% 0.13%
2089 -0.1% 0.17%
2088 -0.1% 0.18%
2087 -0.09% 0.16%
2086 -0.08% 0.19%
2085 -0.07% 0.21%
2084 -0.05% 0.25%
2083 -0.03% 0.26%
2082 -0.03% 0.25%
2081 -0.03% 0.29%
2080 -0.02% 0.31%
2079 -0.004% 0.32%
2078 0.02% 0.32%
2077 0.03% 0.36%
2076 0.03% 0.34%
2075 0.05% 0.34%
2074 0.05% 0.35%
2073 0.08% 0.37%
2072 0.09% 0.37%
2071 0.1% 0.35%
2070 0.12% 0.33%
2069 0.13% 0.35%
2068 0.16% 0.35%
2067 0.18% 0.35%
2066 0.18% 0.3%
2065 0.22% 0.33%
2064 0.23% 0.32%
2063 0.24% 0.3%
2062 0.27% 0.29%
2061 0.3% 0.26%
2060 0.32% 0.26%
2059 0.35% 0.24%
2058 0.37% 0.23%
2057 0.38% 0.2%
2056 0.4% 0.2%
2055 0.43% 0.2%
2054 0.46% 0.2%
2053 0.48% 0.19%
2052 0.52% 0.2%
2051 0.53% 0.22%
2050 0.57% 0.2%
2049 0.59% 0.24%
2048 0.61% 0.22%
2047 0.64% 0.29%
2046 0.66% 0.29%
2045 0.68% 0.32%
2044 0.71% 0.27%
2043 0.73% 0.24%
2042 0.75% 0.24%
2041 0.76% 0.21%
2040 0.79% 0.16%
2039 0.81% 0.22%
2038 0.83% 0.13%
2037 0.83% 0.08%
2036 0.88% 0.05%
2035 0.89% 0.009%
2034 0.92% -0.02%
2033 0.94% -0.04%
2032 0.97% -0.13%
2031 0.99% -0.16%
2030 1.03% -0.25%
2029 1.06% -0.31%
2028 1.09% -0.34%
2027 1.11% -0.43%
2026 1.17% -0.44%
2025 1.19% -0.42%
2024 1.23% -0.4%
2023 1.29% -0.42%
2022 1.34% -0.42%
2021 1.49% -0.2%
2020 1.48% 0.03%
2019 1.27% 0.1%
2018 1.25% 0.2%
2017 1.39% -0.16%
2016 1.47% -0.54%
2015 1.47% -0.48%
2014 1.49% -0.44%
2013 1.51% -0.36%
2012 1.51% -0.1%
2011 1.53% 0.16%
2010 1.57% 0.18%
2009 1.59% 0.17%
2008 1.53% 0.28%
2007 1.49% 0.45%
2006 1.49% 0.55%
2005 1.47% 0.57%
2004 1.48% 0.58%
2003 1.52% 0.57%
2002 1.55% 0.57%
2001 1.57% 0.6%
2000 1.6% 0.62%
1999 1.72% 0.65%
1998 4.21% 0.71%
1997 7.13% 0.4%
1996 7.81% 0.05%
1995 8.44% 0.06%
1994 7.23% 0.06%
1993 6.2% 0.08%
1992 5.54% 0.13%
1991 4.23% 0.2%
1990 4.26% 0.3%
1989 3.84% 0.44%
1988 3.87% 0.6%
1987 4.33% 0.37%
1986 4% 0.03%
1985 3.4% -0.006%
1984 3.71% -0.008%
1983 3.67% 0.02%
1982 2.88% 0.07%
1981 1.63% 0.14%
1980 2.18% 0.23%
1979 -2.36% 0.35%
1978 -8.06% 0.5%
1977 -7.6% 1.47%
1976 -6.78% 2.48%
1975 -2.98% 2.57%
1974 0.65% 2.11%
1973 0.99% 1.66%
1972 0.8% 1.7%
1971 -0.28% 1.77%
1970 0.52% 1.83%
1969 2.12% 1.88%
1968 2.12% 1.93%
1967 2.12% 2.32%
1966 2.12% 2.74%
1965 2.12% 2.77%
1964 2.12% 2.77%
1963 2.2% 2.78%
1962 2.27% 2.8%
1961 2.22% 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/cambodia/tonga | CC BY

In 2025, the population of Cambodia grew by 1.19%, while Tonga's population declined by 0.42%.

Live population counters

Cambodia Tonga
Current population
18159213
103283
Population rank 73/197 183/197
Percent of world population 0.22% 0.001%
One net population change
2.52 minutes
20.3 hours
One birth every
1.47 minutes
3.65 hours
One death every
4.62 minutes
13.1 hours
Daily growth/decline +573 -1
Annual growth/decline +209,181 -433
Annual growth/decline rate +1.19% -0.42%
Population growth rate rank 88/197 181/197
One migration net change every
16.7 minutes
4.09 hours
Annual migration change -31,469 -2,150
Net migration rank 167/196 99/196
Foreign-born residents 83,925 3,581
Foreign-born residents rank 136/195 187/195
Foreign-born share of population 0.5% 3.4%
Foreign-born share rank 175/195 113/195

Natural population change vs migration

Cambodia
Natural

Migration
Tonga
Natural

Migration
1x
Year Population change
Cambodia Tonga
Natural Migration Natural Migration
2025 - -31,469 - -2,150
2024 244,386 -32,960 1,729 -2,149
2023 250,242 -31,837 1,744 -2,173
2022 257,269 -31,350 1,772 -2,218
2021 255,939 -27,025 1,773 -2,220
2020 268,745 0 1,816 -1,807
2019 276,870 -57,268 1,841 -1,778
2018 280,671 -86,702 1,873 -1,723
2017 282,698 -74,362 1,912 -1,642
2016 284,130 -51,324 1,989 -2,591
2015 284,390 -58,101 2,064 -2,610
2014 283,193 -56,536 2,135 -2,622
2013 281,013 -54,554 2,199 -2,637
2012 276,649 -52,874 2,255 -2,578
2011 272,161 -50,941 2,298 -2,198
2010 272,266 -49,781 2,332 -2,097
2009 274,700 -49,354 2,358 -2,204
2008 272,132 -50,809 2,397 -2,177
2007 270,745 -68,653 2,423 -2,057
2006 263,697 -60,315 2,459 -1,875
2005 256,756 -60,473 2,495 -1,906
2004 251,650 -58,972 2,478 -1,876
2003 251,884 -57,026 2,448 -1,844
2002 251,860 -55,245 2,396 -1,815
2001 250,726 -53,815 2,358 -1,766
2000 246,330 -50,957 2,346 -1,721
1999 245,425 -47,608 2,352 -1,710
1998 251,076 -33,781 2,344 -1,665
1997 252,351 504,742 2,332 -1,589
1996 274,147 508,187 2,393 -2,338
1995 280,168 503,042 2,476 -2,422
1994 286,728 488,732 2,547 -2,484
1993 282,221 187,883 2,594 -2,532
1992 260,673 275,823 2,622 -2,524
1991 257,709 58,264 2,637 -2,484
1990 249,776 58,455 2,641 -2,409
1989 239,211 55,125 2,644 -2,280
1988 243,203 -14,627 2,649 -2,138
1987 235,064 44,442 2,646 -1,970
1986 221,684 43,356 2,704 -2,650
1985 214,101 4,677 2,762 -2,775
1984 207,700 -29,141 2,814 -2,823
1983 192,849 46,428 2,840 -2,840
1982 180,300 -20,026 2,853 -2,814
1981 166,578 -22,982 2,882 -2,778
1980 159,157 -133,508 2,885 -2,708
1979 78,143 118,334 2,884 -2,604
1978 -357,478 -84,695 2,862 -2,457
1977 -416,117 -55,504 2,822 -2,273
1976 -408,505 -52,741 2,769 -523
1975 -383,806 -47,717 2,709 -346
1974 73,001 -45,225 2,650 -344
1973 101,304 -42,053 2,617 -1,168
1972 113,190 -40,764 2,605 -1,153
1971 113,813 -80,232 2,611 -1,138
1970 122,832 -193,008 2,628 -1,122
1969 156,777 -17,676 2,632 -1,101
1968 153,444 -17,745 2,614 -1,078
1967 150,046 -16,983 2,603 -1,060
1966 147,583 -17,216 2,550 -465
1965 144,460 -16,930 2,498 -426
1964 141,216 -16,516 2,445 -428
1963 137,562 -15,929 2,394 -426
1962 132,861 -3,578 2,343 -420
1961 128,259 -4,764 2,284 -401
1960 124,237 -5,339 2,230 -384

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

GeoRank.org/population/cambodia/tonga | CC BY

Over the last 10 years, 85.6% of the population change in Cambodia is from natural causes (a gain of 2,685,340 people) and 14.4% is from migration (a loss of 450,929 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, 83,925 residents or 0.5% of the population were not native-born in Cambodia, compared to 3,581 people or 3.4% in Tonga.

Biggest cities by population

Cambodia
City Population
Phnom Penh 2.13M
Siem Reap 245K
Battambang 119K
Serei Saophoan 99K
Sihanoukville 71.1K
Kampong Cham 61.8K
Kampot 42.1K
Svay Rieng 41.4K
Prey Veng 33.1K
Stung Treng 29.7K
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/cambodia/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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