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Population in Cambodia compared to South Korea: Trends, Charts, Rankings

Updated on by Georank

The latest officially reported population of Cambodia was 17,847,982 in 2025 vs 51,684,564 people in South Korea in 2025. In 2026, based on the adjusted UN estimation, the current Cambodia's population is 18,159,213 people compared to 51,624,449 in South Korea.

Population statistics:

  • South Korea's population is 2.84 times bigger than Cambodia's.
  • Cambodia is ranked the 73rd most populous country in the world, while South Korea is the 31st.
  • The countries together account for 0.84% of the world: 0.22% for Cambodia vs 0.62% for South Korea.
  • For the last 10 years, Cambodia has had an average growth rate of +1.35% per year vs +0.17% in South Korea.
  • Since 2006, the population of Cambodia has increased from 13.6M people to 18.2M (33.1% growth), while South Korea has grown from 48.4M to 51.6M (6.58% growth).

Cambodia vs South Korea: population by year and forecast

Cambodia
Factual

Projection
South Korea
Factual

Projection
1x
Year Population
Cambodia South Korea
2100 22,901,914 22,001,649
2099 22,958,383 22,324,514
2098 23,015,331 22,657,541
2097 23,068,989 22,998,315
2096 23,118,854 23,348,632
2095 23,162,704 23,711,049
2094 23,207,466 24,081,510
2093 23,247,521 24,460,970
2092 23,285,540 24,848,715
2091 23,317,510 25,242,926
2090 23,349,581 25,642,926
2089 23,381,110 26,048,094
2088 23,404,619 26,457,020
2087 23,429,179 26,871,556
2086 23,450,970 27,288,450
2085 23,469,059 27,710,065
2084 23,486,236 28,133,600
2083 23,498,658 28,564,090
2082 23,506,751 28,998,646
2081 23,512,878 29,441,497
2080 23,518,840 29,887,135
2079 23,523,165 30,337,095
2078 23,523,989 30,793,984
2077 23,519,769 31,258,278
2076 23,512,440 31,728,826
2075 23,506,393 32,205,338
2074 23,494,004 32,689,892
2073 23,481,588 33,180,187
2072 23,463,712 33,679,874
2071 23,443,140 34,187,068
2070 23,420,769 34,702,204
2069 23,393,461 35,224,472
2068 23,362,386 35,745,164
2067 23,324,169 36,274,411
2066 23,283,399 36,808,495
2065 23,242,009 37,349,660
2064 23,191,929 37,897,742
2063 23,139,318 38,450,082
2062 23,083,489 39,009,227
2061 23,020,659 39,565,102
2060 22,951,813 40,130,032
2059 22,877,844 40,692,438
2058 22,799,179 41,256,780
2057 22,715,484 41,813,259
2056 22,628,607 42,356,530
2055 22,537,541 42,888,143
2054 22,440,088 43,405,840
2053 22,338,320 43,917,075
2052 22,231,339 44,419,192
2051 22,117,409 44,901,452
2050 22,001,254 45,362,931
2049 21,877,484 45,809,553
2048 21,749,790 46,235,718
2047 21,618,052 46,645,885
2046 21,480,480 47,033,200
2045 21,340,224 47,409,815
2044 21,195,511 47,773,842
2043 21,046,437 48,120,989
2042 20,893,438 48,455,085
2041 20,738,659 48,782,206
2040 20,582,241 49,091,438
2039 20,421,184 49,388,464
2038 20,256,225 49,669,835
2037 20,088,660 49,932,869
2036 19,922,341 50,175,947
2035 19,747,906 50,401,135
2034 19,573,792 50,607,994
2033 19,395,265 50,796,030
2032 19,215,259 50,961,878
2031 19,030,553 51,109,725
2030 18,843,778 51,242,628
2029 18,652,372 51,360,529
2028 18,456,287 51,461,403
2027 18,256,828 51,551,313
2026 18,056,115 51,624,449
2025 17,847,982 51,684,564
2024 17,638,801 51,751,065
2023 17,423,880 51,712,619
2022 17,201,724 51,672,569
2021 16,974,305 51,769,539
2020 16,725,474 51,836,239
2019 16,481,304 51,764,822
2018 16,274,522 51,585,058
2017 16,073,372 51,361,911
2016 15,852,803 51,217,803
2015 15,623,251 51,014,947
2014 15,396,772 50,746,659
2013 15,170,208 50,428,893
2012 14,945,085 50,199,853
2011 14,722,584 49,936,638
2010 14,500,726 49,554,112
2009 14,276,810 49,307,835
2008 14,053,479 49,054,708
2007 13,841,770 48,683,638
2006 13,639,028 48,438,292
2005 13,439,202 48,184,561
2004 13,244,731 48,082,519
2003 13,050,968 47,892,330
2002 12,855,241 47,644,736
2001 12,658,484 47,370,164
2000 12,462,336 47,008,111
1999 12,265,731 46,616,677
1998 12,058,173 46,286,503
1997 11,570,982 45,953,580
1996 10,801,270 45,524,681
1995 10,018,497 45,092,991
1994 9,239,162 44,641,540
1993 8,616,381 44,194,628
1992 8,113,083 43,747,962
1991 7,686,850 43,295,704
1990 7,374,752 42,869,283
1989 7,073,473 42,449,038
1988 6,812,014 42,031,247
1987 6,557,970 41,621,690
1986 6,285,693 41,213,674
1985 6,043,783 40,805,744
1984 5,845,117 40,405,956
1983 5,636,203 39,910,403
1982 5,436,432 39,326,352
1981 5,284,495 38,723,248
1980 5,199,872 38,123,775
1979 5,088,808 37,534,236
1978 5,211,653 36,969,185
1977 5,668,551 36,411,795
1976 6,134,991 35,848,523
1975 6,581,371 35,280,725
1974 6,783,240 34,692,266
1973 6,739,726 34,103,149
1972 6,673,886 33,505,406
1971 6,620,880 32,882,704
1970 6,639,182 32,240,827
1969 6,604,725 31,544,266
1968 6,467,324 30,838,302
1967 6,332,944 30,130,983
1966 6,201,232 29,435,571
1965 6,072,289 28,704,674
1964 5,946,178 27,984,155
1963 5,823,010 27,261,747
1962 5,697,558 26,513,030
1961 5,571,168 25,765,673
1960 5,449,966 25,012,374

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/south-korea | CC BY

From 2006 to 2016, the population of Cambodia increased by 2,213,775 people (a 16.2% growth), while South Korea gained 2,779,511 people (a 5.74% growth).

For the next 10 years, from 2016 to 2026, Cambodia gained 2,306,410 people (a 14.5% growth), while South Korea's population increased by 406,646 people (a 0.79% growth).

Cambodia was ranked 67th most populous country in 2006 and is 73rd in 2026. South Korea was ranked 25th in 2006 and ranked 31st 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 South Korea will decrease by 12.1% to 45,362,931 people and rank change from 31st to 48th.

Cambodia is projected to reach its peak in 2078 at 23.5M people, while South Korea's population already peaked in 2020 at 51.8M people and is projected to decrease to 22M people by 2100.

Population growth rate by year

Cambodia
Factual

Projection
South Korea
Factual

Projection
1x
Year Growth rate
Cambodia South Korea
2100 -0.25% -1.45%
2099 -0.25% -1.47%
2098 -0.23% -1.48%
2097 -0.22% -1.5%
2096 -0.19% -1.53%
2095 -0.19% -1.54%
2094 -0.17% -1.55%
2093 -0.16% -1.56%
2092 -0.14% -1.56%
2091 -0.14% -1.56%
2090 -0.13% -1.56%
2089 -0.1% -1.55%
2088 -0.1% -1.54%
2087 -0.09% -1.53%
2086 -0.08% -1.52%
2085 -0.07% -1.51%
2084 -0.05% -1.51%
2083 -0.03% -1.5%
2082 -0.03% -1.5%
2081 -0.03% -1.49%
2080 -0.02% -1.48%
2079 -0.004% -1.48%
2078 0.02% -1.49%
2077 0.03% -1.48%
2076 0.03% -1.48%
2075 0.05% -1.48%
2074 0.05% -1.48%
2073 0.08% -1.48%
2072 0.09% -1.48%
2071 0.1% -1.48%
2070 0.12% -1.48%
2069 0.13% -1.46%
2068 0.16% -1.46%
2067 0.18% -1.45%
2066 0.18% -1.45%
2065 0.22% -1.45%
2064 0.23% -1.44%
2063 0.24% -1.43%
2062 0.27% -1.4%
2061 0.3% -1.41%
2060 0.32% -1.38%
2059 0.35% -1.37%
2058 0.37% -1.33%
2057 0.38% -1.28%
2056 0.4% -1.24%
2055 0.43% -1.19%
2054 0.46% -1.16%
2053 0.48% -1.13%
2052 0.52% -1.07%
2051 0.53% -1.02%
2050 0.57% -0.97%
2049 0.59% -0.92%
2048 0.61% -0.88%
2047 0.64% -0.82%
2046 0.66% -0.79%
2045 0.68% -0.76%
2044 0.71% -0.72%
2043 0.73% -0.69%
2042 0.75% -0.67%
2041 0.76% -0.63%
2040 0.79% -0.6%
2039 0.81% -0.57%
2038 0.83% -0.53%
2037 0.83% -0.48%
2036 0.88% -0.45%
2035 0.89% -0.41%
2034 0.92% -0.37%
2033 0.94% -0.33%
2032 0.97% -0.29%
2031 0.99% -0.26%
2030 1.03% -0.23%
2029 1.06% -0.2%
2028 1.09% -0.17%
2027 1.11% -0.14%
2026 1.17% -0.12%
2025 1.19% -0.13%
2024 1.23% 0.07%
2023 1.29% 0.08%
2022 1.34% -0.19%
2021 1.49% -0.13%
2020 1.48% 0.14%
2019 1.27% 0.35%
2018 1.25% 0.43%
2017 1.39% 0.28%
2016 1.47% 0.4%
2015 1.47% 0.53%
2014 1.49% 0.63%
2013 1.51% 0.46%
2012 1.51% 0.53%
2011 1.53% 0.77%
2010 1.57% 0.5%
2009 1.59% 0.52%
2008 1.53% 0.76%
2007 1.49% 0.51%
2006 1.49% 0.53%
2005 1.47% 0.21%
2004 1.48% 0.4%
2003 1.52% 0.52%
2002 1.55% 0.58%
2001 1.57% 0.77%
2000 1.6% 0.84%
1999 1.72% 0.71%
1998 4.21% 0.72%
1997 7.13% 0.94%
1996 7.81% 0.96%
1995 8.44% 1.01%
1994 7.23% 1.01%
1993 6.2% 1.02%
1992 5.54% 1.04%
1991 4.23% 0.99%
1990 4.26% 0.99%
1989 3.84% 0.99%
1988 3.87% 0.98%
1987 4.33% 0.99%
1986 4% 1%
1985 3.4% 0.99%
1984 3.71% 1.24%
1983 3.67% 1.49%
1982 2.88% 1.56%
1981 1.63% 1.57%
1980 2.18% 1.57%
1979 -2.36% 1.53%
1978 -8.06% 1.53%
1977 -7.6% 1.57%
1976 -6.78% 1.61%
1975 -2.98% 1.7%
1974 0.65% 1.73%
1973 0.99% 1.78%
1972 0.8% 1.89%
1971 -0.28% 1.99%
1970 0.52% 2.21%
1969 2.12% 2.29%
1968 2.12% 2.35%
1967 2.12% 2.36%
1966 2.12% 2.55%
1965 2.12% 2.57%
1964 2.12% 2.65%
1963 2.2% 2.82%
1962 2.27% 2.9%
1961 2.22% 3.01%

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/south-korea | CC BY

In 2025, the population of Cambodia grew by 1.19%, while South Korea's population declined by 0.13%.

Live population counters

Cambodia South Korea
Current population
18159213
51624449
Population rank 73/197 31/197
Percent of world population 0.22% 0.62%
One net population change
2.52 minutes
7.93 minutes
One birth every
1.47 minutes
2.16 minutes
One death every
4.62 minutes
1.45 minutes
Daily growth/decline +573 -182
Annual growth/decline +209,181 -66,501
Annual growth/decline rate +1.19% -0.13%
Population growth rate rank 88/197 169/197
One migration net change every
16.7 minutes
8.02 minutes
Annual migration change -31,469 +65,731
Net migration rank 167/196 20/196
Foreign-born residents 83,925 1,811,507
Foreign-born residents rank 136/195 40/195
Foreign-born share of population 0.5% 3.5%
Foreign-born share rank 175/195 111/195

Natural population change vs migration

Cambodia
Natural

Migration
South Korea
Natural

Migration
1x
Year Population change
Cambodia South Korea
Natural Migration Natural Migration
2025 - -31,469 - 65,731
2024 244,386 -32,960 -119,027 75,963
2023 250,242 -31,837 -124,111 87,800
2022 257,269 -31,350 -124,014 87,800
2021 255,939 -27,025 -56,947 -16,778
2020 268,745 0 -31,101 112,631
2019 276,870 -57,268 10,353 128,622
2018 280,671 -86,702 30,951 118,220
2017 282,698 -74,362 71,907 104,029
2016 284,130 -51,324 122,923 91,568
2015 284,390 -58,101 163,248 276,427
2014 283,193 -56,536 167,464 308,037
2013 281,013 -54,554 166,415 301,926
2012 276,649 -52,874 215,859 281,866
2011 272,161 -50,941 214,728 269,958
2010 272,266 -49,781 213,083 52,042
2009 274,700 -49,354 197,231 5,308
2008 272,132 -50,809 215,841 -19,630
2007 270,745 -68,653 248,286 -42,293
2006 263,697 -60,315 203,441 -28,434
2005 256,756 -60,473 187,920 -47,821
2004 251,650 -58,972 225,988 -42,549
2003 251,884 -57,026 244,251 -31,994
2002 251,860 -55,245 247,752 -18,105
2001 250,726 -53,815 312,643 -28,006
2000 246,330 -50,957 390,167 -84,960
1999 245,425 -47,608 368,272 -107,448
1998 251,076 -33,781 393,436 -98,044
1997 252,351 504,742 422,773 -109,130
1996 274,147 508,187 446,142 -115,705
1995 280,168 503,042 468,967 -208,491
1994 286,728 488,732 473,200 -208,309
1993 282,221 187,883 477,302 -222,802
1992 260,673 275,823 494,352 -265,849
1991 257,709 58,264 467,594 -270,754
1990 249,776 58,455 411,546 79,294
1989 239,211 55,125 403,266 186,120
1988 243,203 -14,627 399,297 192,534
1987 235,064 44,442 378,758 198,057
1986 221,684 43,356 395,651 189,782
1985 214,101 4,677 416,219 97,949
1984 207,700 -29,141 436,384 101,394
1983 192,849 46,428 514,844 102,167
1982 180,300 -20,026 605,626 48,638
1981 166,578 -22,982 631,189 18,442
1980 159,157 -133,508 583,294 -148,341
1979 78,143 118,334 623,068 -139,566
1978 -357,478 -84,695 499,084 -85,721
1977 -416,117 -55,504 578,947 -90,737
1976 -408,505 -52,741 530,558 -92,314
1975 -383,806 -47,717 603,300 -52,332
1974 73,001 -45,225 673,030 27,005
1973 101,304 -42,053 699,115 35,779
1972 113,190 -40,764 740,469 25,382
1971 113,813 -80,232 789,185 -6,326
1970 122,832 -193,008 747,987 -27,999
1969 156,777 -17,676 694,227 -21,175
1968 153,444 -17,745 684,487 -16,868
1967 150,046 -16,983 692,169 -16,484
1966 147,583 -17,216 623,534 -16,688
1965 144,460 -16,930 641,090 -146,386
1964 141,216 -16,516 655,501 -102,284
1963 137,562 -15,929 685,824 -80,226
1962 132,861 -3,578 712,590 -94,606
1961 128,259 -4,764 730,173 -93,179
1960 124,237 -5,339 728,010 47,245

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

GeoRank.org/population/cambodia/south-korea | 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 South Korea 4.97% is from natural causes (a loss of 55,818 people) and 95% is from migration (a gain of 1,066,282 people).

As of 2024, 83,925 residents or 0.5% of the population were not native-born in Cambodia, compared to 1,811,507 people or 3.5% in South Korea.

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
South Korea
City Population
Seoul 9.67M
Busan 3.45M
Incheon 3.05M
Daegu 2.38M
Daejeon 1.48M
Gwangju 1.41M
Suwon 1.23M
Ulsan 1.13M
Yongin 1.08M
Goyang 1.06M

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/south-korea | 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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