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

Updated on by Georank

The latest officially reported population of Cambodia was 17,847,982 in 2025 vs 69,487,000 people in the United Kingdom in 2025. In 2026, based on the adjusted UN estimation, the current Cambodia's population is 18,159,213 people compared to 70,071,289 in the United Kingdom.

Population statistics:

  • The United Kingdom's population is 3.86 times bigger than Cambodia's.
  • Cambodia is ranked the 73rd most populous country in the world, while the United Kingdom is the 22nd.
  • The countries together account for 1.06% of the world: 0.22% for Cambodia vs 0.84% for the United Kingdom.
  • For the last 10 years, Cambodia has had an average growth rate of +1.35% per year vs +0.66% in the United Kingdom.
  • Since 2006, the population of Cambodia has increased from 13.6M people to 18.2M (33.1% growth), while the United Kingdom has grown from 60.8M to 70.1M (15.2% growth).

Cambodia vs United Kingdom: population by year and forecast

Cambodia
Factual

Projection
United Kingdom
Factual

Projection
1x
Year Population
Cambodia United Kingdom
2100 22,901,914 74,517,005
2099 22,958,383 74,647,273
2098 23,015,331 74,766,073
2097 23,068,989 74,879,923
2096 23,118,854 74,991,940
2095 23,162,704 75,102,041
2094 23,207,466 75,198,597
2093 23,247,521 75,296,704
2092 23,285,540 75,390,038
2091 23,317,510 75,480,137
2090 23,349,581 75,566,962
2089 23,381,110 75,649,353
2088 23,404,619 75,721,067
2087 23,429,179 75,791,990
2086 23,450,970 75,859,854
2085 23,469,059 75,918,647
2084 23,486,236 75,969,065
2083 23,498,658 76,018,614
2082 23,506,751 76,059,464
2081 23,512,878 76,086,593
2080 23,518,840 76,118,679
2079 23,523,165 76,147,352
2078 23,523,989 76,165,841
2077 23,519,769 76,183,437
2076 23,512,440 76,185,828
2075 23,506,393 76,198,349
2074 23,494,004 76,209,676
2073 23,481,588 76,218,781
2072 23,463,712 76,211,187
2071 23,443,140 76,200,495
2070 23,420,769 76,190,801
2069 23,393,461 76,184,140
2068 23,362,386 76,183,288
2067 23,324,169 76,175,881
2066 23,283,399 76,168,987
2065 23,242,009 76,168,193
2064 23,191,929 76,165,129
2063 23,139,318 76,165,534
2062 23,083,489 76,158,910
2061 23,020,659 76,156,587
2060 22,951,813 76,157,104
2059 22,877,844 76,157,593
2058 22,799,179 76,139,384
2057 22,715,484 76,119,478
2056 22,628,607 76,086,799
2055 22,537,541 76,047,952
2054 22,440,088 75,980,524
2053 22,338,320 75,907,047
2052 22,231,339 75,815,200
2051 22,117,409 75,709,173
2050 22,001,254 75,591,218
2049 21,877,484 75,460,140
2048 21,749,790 75,313,837
2047 21,618,052 75,153,802
2046 21,480,480 74,986,563
2045 21,340,224 74,808,886
2044 21,195,511 74,623,687
2043 21,046,437 74,424,133
2042 20,893,438 74,224,922
2041 20,738,659 74,020,934
2040 20,582,241 73,812,680
2039 20,421,184 73,600,788
2038 20,256,225 73,378,310
2037 20,088,660 73,155,497
2036 19,922,341 72,921,995
2035 19,747,906 72,671,687
2034 19,573,792 72,418,766
2033 19,395,265 72,145,065
2032 19,215,259 71,869,259
2031 19,030,553 71,581,519
2030 18,843,778 71,267,237
2029 18,652,372 70,948,992
2028 18,456,287 70,609,246
2027 18,256,828 70,248,858
2026 18,056,115 69,883,746
2025 17,847,982 69,487,000
2024 17,638,801 69,281,000
2023 17,423,880 68,526,000
2022 17,201,724 67,636,000
2021 16,974,305 66,978,000
2020 16,725,474 66,740,000
2019 16,481,304 66,628,000
2018 16,274,522 66,287,000
2017 16,073,372 65,964,000
2016 15,852,803 65,606,000
2015 15,623,251 65,087,000
2014 15,396,772 64,619,000
2013 15,170,208 64,138,000
2012 14,945,085 63,711,000
2011 14,722,584 63,258,810
2010 14,500,726 62,766,365
2009 14,276,810 62,276,270
2008 14,053,479 61,806,995
2007 13,841,770 61,322,463
2006 13,639,028 60,846,820
2005 13,439,202 60,401,206
2004 13,244,731 59,987,905
2003 13,050,968 59,647,577
2002 12,855,241 59,370,479
2001 12,658,484 59,119,673
2000 12,462,336 58,892,514
1999 12,265,731 58,682,466
1998 12,058,173 58,487,141
1997 11,570,982 58,316,954
1996 10,801,270 58,166,950
1995 10,018,497 58,019,030
1994 9,239,162 57,865,745
1993 8,616,381 57,718,614
1992 8,113,083 57,580,402
1991 7,686,850 57,424,897
1990 7,374,752 57,247,586
1989 7,073,473 57,076,711
1988 6,812,014 56,928,327
1987 6,557,970 56,802,050
1986 6,285,693 56,681,396
1985 6,043,783 56,550,268
1984 5,845,117 56,422,072
1983 5,636,203 56,332,848
1982 5,436,432 56,313,641
1981 5,284,495 56,333,829
1980 5,199,872 56,314,216
1979 5,088,808 56,246,951
1978 5,211,653 56,196,504
1977 5,668,551 56,193,492
1976 6,134,991 56,211,968
1975 6,581,371 56,225,800
1974 6,783,240 56,229,974
1973 6,739,726 56,194,527
1972 6,673,886 56,086,065
1971 6,620,880 55,896,223
1970 6,639,182 55,663,250
1969 6,604,725 55,441,750
1968 6,467,324 55,211,700
1967 6,332,944 54,943,600
1966 6,201,232 54,648,500
1965 6,072,289 54,348,050
1964 5,946,178 54,000,000
1963 5,823,010 53,650,000
1962 5,697,558 53,250,000
1961 5,571,168 52,800,000
1960 5,449,966 52,400,000

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/united-kingdom | CC BY

From 2006 to 2016, the population of Cambodia increased by 2,213,775 people (a 16.2% growth), while the United Kingdom gained 4,759,180 people (a 7.82% growth).

For the next 10 years, from 2016 to 2026, Cambodia gained 2,306,410 people (a 14.5% growth), while the United Kingdom's population increased by 4,465,289 people (a 6.81% growth).

Cambodia was ranked 67th most populous country in 2006 and is 73rd 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) Cambodia's population will grow by 21.2% to 22,001,254 people and will still be ranked 73rd. The population of the United Kingdom will increase by 7.88% to 75,591,218 people and rank change from 22nd to 26th.

Cambodia is projected to reach its peak in 2078 at 23.5M people compared to the peak of 76.2M people in 2073 for the United Kingdom.

Population growth rate by year

Cambodia
Factual

Projection
United Kingdom
Factual

Projection
1x
Year Growth rate
Cambodia United Kingdom
2100 -0.25% -0.17%
2099 -0.25% -0.16%
2098 -0.23% -0.15%
2097 -0.22% -0.15%
2096 -0.19% -0.15%
2095 -0.19% -0.13%
2094 -0.17% -0.13%
2093 -0.16% -0.12%
2092 -0.14% -0.12%
2091 -0.14% -0.11%
2090 -0.13% -0.11%
2089 -0.1% -0.09%
2088 -0.1% -0.09%
2087 -0.09% -0.09%
2086 -0.08% -0.08%
2085 -0.07% -0.07%
2084 -0.05% -0.07%
2083 -0.03% -0.05%
2082 -0.03% -0.04%
2081 -0.03% -0.04%
2080 -0.02% -0.04%
2079 -0.004% -0.02%
2078 0.02% -0.02%
2077 0.03% -0.003%
2076 0.03% -0.02%
2075 0.05% -0.01%
2074 0.05% -0.01%
2073 0.08% 0.01%
2072 0.09% 0.01%
2071 0.1% 0.01%
2070 0.12% 0.009%
2069 0.13% 0.001%
2068 0.16% 0.01%
2067 0.18% 0.009%
2066 0.18% 0.001%
2065 0.22% 0.004%
2064 0.23% -0%
2063 0.24% 0.009%
2062 0.27% 0.003%
2061 0.3% -0.001%
2060 0.32% -0.001%
2059 0.35% 0.02%
2058 0.37% 0.03%
2057 0.38% 0.04%
2056 0.4% 0.05%
2055 0.43% 0.09%
2054 0.46% 0.1%
2053 0.48% 0.12%
2052 0.52% 0.14%
2051 0.53% 0.16%
2050 0.57% 0.17%
2049 0.59% 0.19%
2048 0.61% 0.21%
2047 0.64% 0.22%
2046 0.66% 0.24%
2045 0.68% 0.25%
2044 0.71% 0.27%
2043 0.73% 0.27%
2042 0.75% 0.28%
2041 0.76% 0.28%
2040 0.79% 0.29%
2039 0.81% 0.3%
2038 0.83% 0.3%
2037 0.83% 0.32%
2036 0.88% 0.34%
2035 0.89% 0.35%
2034 0.92% 0.38%
2033 0.94% 0.38%
2032 0.97% 0.4%
2031 0.99% 0.44%
2030 1.03% 0.45%
2029 1.06% 0.48%
2028 1.09% 0.51%
2027 1.11% 0.52%
2026 1.17% 0.57%
2025 1.19% 0.3%
2024 1.23% 1.1%
2023 1.29% 1.32%
2022 1.34% 0.98%
2021 1.49% 0.36%
2020 1.48% 0.17%
2019 1.27% 0.51%
2018 1.25% 0.49%
2017 1.39% 0.55%
2016 1.47% 0.8%
2015 1.47% 0.72%
2014 1.49% 0.75%
2013 1.51% 0.67%
2012 1.51% 0.71%
2011 1.53% 0.78%
2010 1.57% 0.79%
2009 1.59% 0.76%
2008 1.53% 0.79%
2007 1.49% 0.78%
2006 1.49% 0.74%
2005 1.47% 0.69%
2004 1.48% 0.57%
2003 1.52% 0.47%
2002 1.55% 0.42%
2001 1.57% 0.39%
2000 1.6% 0.36%
1999 1.72% 0.33%
1998 4.21% 0.29%
1997 7.13% 0.26%
1996 7.81% 0.25%
1995 8.44% 0.26%
1994 7.23% 0.25%
1993 6.2% 0.24%
1992 5.54% 0.27%
1991 4.23% 0.31%
1990 4.26% 0.3%
1989 3.84% 0.26%
1988 3.87% 0.22%
1987 4.33% 0.21%
1986 4% 0.23%
1985 3.4% 0.23%
1984 3.71% 0.16%
1983 3.67% 0.03%
1982 2.88% -0.04%
1981 1.63% 0.03%
1980 2.18% 0.12%
1979 -2.36% 0.09%
1978 -8.06% 0.005%
1977 -7.6% -0.03%
1976 -6.78% -0.02%
1975 -2.98% -0.007%
1974 0.65% 0.06%
1973 0.99% 0.19%
1972 0.8% 0.34%
1971 -0.28% 0.42%
1970 0.52% 0.4%
1969 2.12% 0.42%
1968 2.12% 0.49%
1967 2.12% 0.54%
1966 2.12% 0.55%
1965 2.12% 0.64%
1964 2.12% 0.65%
1963 2.2% 0.75%
1962 2.27% 0.85%
1961 2.22% 0.76%

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/united-kingdom | CC BY

In 2025, the population of Cambodia grew by 1.19%, while the United Kingdom's population grew by 0.3%.

Live population counters

Cambodia United Kingdom
Current population
18159213
70071289
Population rank 73/197 22/197
Percent of world population 0.22% 0.84%
One net population change
2.52 minutes
2.56 minutes
One birth every
1.47 minutes
46 seconds
One death every
4.62 minutes
46.9 seconds
Daily growth/decline +573 +564
Annual growth/decline +209,181 +206,000
Annual growth/decline rate +1.19% +0.3%
Population growth rate rank 88/197 145/197
One migration net change every
16.7 minutes
1.35 minutes
Annual migration change -31,469 +389,911
Net migration rank 167/196 4/196
Foreign-born residents 83,925 11,845,479
Foreign-born residents rank 136/195 4/195
Foreign-born share of population 0.5% 17.1%
Foreign-born share rank 175/195 36/195

Natural population change vs migration

Cambodia
Natural

Migration
United Kingdom
Natural

Migration
1x
Year Population change
Cambodia United Kingdom
Natural Migration Natural Migration
2025 - -31,469 - 389,911
2024 244,386 -32,960 13,233 417,114
2023 250,242 -31,837 34,606 445,523
2022 257,269 -31,350 39,770 487,029
2021 255,939 -27,025 30,609 462,967
2020 268,745 0 -4,272 144,221
2019 276,870 -57,268 108,338 232,727
2018 280,671 -86,702 119,317 259,744
2017 282,698 -74,362 145,121 272,311
2016 284,130 -51,324 177,136 324,649
2015 284,390 -58,101 175,735 347,839
2014 283,193 -56,536 206,781 306,091
2013 281,013 -54,554 198,827 237,272
2012 276,649 -52,874 248,473 172,088
2011 272,161 -50,941 259,361 228,773
2010 272,266 -49,781 251,066 274,811
2009 274,700 -49,354 230,422 249,639
2008 272,132 -50,809 216,325 263,390
2007 270,745 -68,653 196,232 309,385
2006 263,697 -60,315 176,455 288,923
2005 256,756 -60,473 144,963 308,279
2004 251,650 -58,972 131,974 276,077
2003 251,884 -57,026 89,471 211,846
2002 251,860 -55,245 65,308 203,577
2001 250,726 -53,815 65,032 175,133
2000 246,330 -50,957 70,671 153,917
1999 245,425 -47,608 64,551 152,653
1998 251,076 -33,781 87,730 125,541
1997 252,351 504,742 99,138 59,723
1996 274,147 508,187 98,884 54,964
1995 280,168 503,042 87,028 61,385
1994 286,728 488,732 127,304 45,339
1993 282,221 187,883 103,893 27,403
1992 260,673 275,823 149,709 17,846
1991 257,709 58,264 143,562 27,601
1990 249,776 58,455 154,569 57,132
1989 239,211 55,125 119,861 49,586
1988 243,203 -14,627 136,628 13,952
1987 235,064 44,442 136,325 8,266
1986 221,684 43,356 90,690 41,836
1985 214,101 4,677 79,170 83,164
1984 207,700 -29,141 84,633 71,107
1983 192,849 46,428 61,966 27,063
1982 180,300 -20,026 56,314 -61,152
1981 166,578 -22,982 73,234 -83,876
1980 159,157 -133,508 95,734 -25,187
1979 78,143 118,334 61,872 11,255
1978 -357,478 -84,695 16,859 3,783
1977 -416,117 -55,504 0 -21,636
1976 -408,505 -52,741 -5,621 -19,135
1975 -383,806 -47,717 33,735 -40,241
1974 73,001 -45,225 67,476 -65,710
1973 101,304 -42,053 112,389 -33,840
1972 113,190 -40,764 162,650 -1,406
1971 113,813 -80,232 257,123 1,175
1970 122,832 -193,008 244,918 -15,254
1969 156,777 -17,676 260,577 -60,655
1968 153,444 -17,745 292,622 -38,852
1967 150,046 -16,983 346,145 -39,659
1966 147,583 -17,216 333,356 -27,935
1965 144,460 -16,930 364,132 -24,955
1964 141,216 -16,516 405,000 -23,885
1963 137,562 -15,929 337,995 8,271
1962 132,861 -3,578 340,800 76,443
1961 128,259 -4,764 311,519 52,295
1960 124,237 -5,339 314,400 19,953

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

GeoRank.org/population/cambodia/united-kingdom | 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 the United Kingdom 19.8% is from natural causes (a gain of 839,593 people) and 80.2% is from migration (a gain of 3,394,124 people).

As of 2024, 83,925 residents or 0.5% of the population were not native-born in Cambodia, compared to 11,845,479 people or 17.1% in the United Kingdom.

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
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 (1960–2025, 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/united-kingdom | 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. Wikidata (2026, retrieved 2026-07-08)
  5. Central Intelligence Agency (CIA) (2000–2019, retrieved 2026-07-08)

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