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

Updated on by Georank team

The latest officially reported population of Cambodia was 17,638,801 in 2024 vs 123,975,371 people in Japan in 2024. In 2026, based on the adjusted UN estimation, the current Cambodia's population is 18,113,986 people compared to 122,677,250 in Japan.

Population statistics:

  • Japan's population is 6.77 times bigger than Cambodia's.
  • Cambodia is ranked the 73rd most populous country in the world, while Japan is the 12th.
  • The countries together account for 1.7% of the world: 0.22% for Cambodia vs 1.48% for Japan.
  • For the last 10 years, Cambodia has had an average growth rate of +1.38% per year vs -0.25% in Japan.
  • Since 2006, the population of Cambodia has increased from 13.6M people to 18.1M (32.8% growth), while Japan has declined from 128M to 123M (4.05% decline).

Cambodia vs Japan: population by year and forecast

Cambodia
Factual

Projection
Japan
Factual

Projection
1x
Year Population
Cambodia Japan
2100 22,906,442 76,978,998
2099 22,962,923 77,363,458
2098 23,019,882 77,742,445
2097 23,073,551 78,118,375
2096 23,123,425 78,498,614
2095 23,167,283 78,875,245
2094 23,212,055 79,250,325
2093 23,252,118 79,628,057
2092 23,290,144 80,007,967
2091 23,322,120 80,383,529
2090 23,354,198 80,760,724
2089 23,385,733 81,140,553
2088 23,409,247 81,521,696
2087 23,433,812 81,908,373
2086 23,455,606 82,304,497
2085 23,473,699 82,709,534
2084 23,490,880 83,123,058
2083 23,503,304 83,544,006
2082 23,511,399 83,980,325
2081 23,517,527 84,429,305
2080 23,523,490 84,899,768
2079 23,527,816 85,387,247
2078 23,528,640 85,897,934
2077 23,524,419 86,434,291
2076 23,517,089 86,993,007
2075 23,511,041 87,577,777
2074 23,498,649 88,190,392
2073 23,486,231 88,834,763
2072 23,468,351 89,499,356
2071 23,447,776 90,184,464
2070 23,425,399 90,899,136
2069 23,398,087 91,625,421
2068 23,367,005 92,367,969
2067 23,328,780 93,113,499
2066 23,288,003 93,869,240
2065 23,246,605 94,633,430
2064 23,196,515 95,391,433
2063 23,143,893 96,148,081
2062 23,088,053 96,902,907
2061 23,025,211 97,654,031
2060 22,956,351 98,400,894
2059 22,882,368 99,144,216
2058 22,803,687 99,868,968
2057 22,719,975 100,585,601
2056 22,633,081 101,295,868
2055 22,541,997 101,989,736
2054 22,444,525 102,683,462
2053 22,342,736 103,359,083
2052 22,235,734 104,036,901
2051 22,121,782 104,706,698
2050 22,005,604 105,377,283
2049 21,881,810 106,053,011
2048 21,754,090 106,731,207
2047 21,622,327 107,419,237
2046 21,484,727 108,115,358
2045 21,344,443 108,820,982
2044 21,199,702 109,529,333
2043 21,050,598 110,245,586
2042 20,897,569 110,968,174
2041 20,742,759 111,704,629
2040 20,586,310 112,438,759
2039 20,425,222 113,175,948
2038 20,260,230 113,915,783
2037 20,092,632 114,662,374
2036 19,926,280 115,410,956
2035 19,751,811 116,162,381
2034 19,577,662 116,911,001
2033 19,399,100 117,652,676
2032 19,219,058 118,393,188
2031 19,034,316 119,127,425
2030 18,847,504 119,856,131
2029 18,656,059 120,574,242
2028 18,459,936 121,287,543
2027 18,260,437 121,989,133
2026 18,059,685 122,677,250
2025 17,851,510 123,339,586
2024 17,638,801 123,975,371
2023 17,423,880 124,516,650
2022 17,201,724 125,124,989
2021 16,974,305 125,681,593
2020 16,725,474 126,261,000
2019 16,481,304 126,633,000
2018 16,274,522 126,811,000
2017 16,073,372 126,972,000
2016 15,852,803 127,076,000
2015 15,623,251 127,141,000
2014 15,396,772 127,276,000
2013 15,170,208 127,445,000
2012 14,945,085 127,629,000
2011 14,722,584 127,833,000
2010 14,500,726 128,070,000
2009 14,276,810 128,047,000
2008 14,053,479 128,063,000
2007 13,841,770 128,001,000
2006 13,639,028 127,854,000
2005 13,439,202 127,773,000
2004 13,244,731 127,761,000
2003 13,050,968 127,718,000
2002 12,855,241 127,445,000
2001 12,658,484 127,149,000
2000 12,462,336 126,843,000
1999 12,265,731 126,631,000
1998 12,058,173 126,400,000
1997 11,570,982 126,057,000
1996 10,801,270 125,757,000
1995 10,018,497 125,472,000
1994 9,239,162 125,178,000
1993 8,616,381 124,829,000
1992 8,113,083 124,425,000
1991 7,686,850 123,964,000
1990 7,374,752 123,478,000
1989 7,073,473 123,069,000
1988 6,812,014 122,578,000
1987 6,557,970 122,069,000
1986 6,285,693 121,482,000
1985 6,043,783 120,837,000
1984 5,845,117 120,083,000
1983 5,636,203 119,307,000
1982 5,436,432 118,480,000
1981 5,284,495 117,661,000
1980 5,199,872 116,807,000
1979 5,088,808 115,890,000
1978 5,211,653 114,913,000
1977 5,668,551 113,872,000
1976 6,134,991 112,775,000
1975 6,581,371 111,573,000
1974 6,783,240 110,162,000
1973 6,739,726 108,707,000
1972 6,673,886 107,188,000
1971 6,620,880 105,697,000
1970 6,639,182 103,403,000
1969 6,604,725 102,219,000
1968 6,467,324 101,011,000
1967 6,332,944 99,879,000
1966 6,201,232 98,851,000
1965 6,072,289 97,952,000
1964 5,946,178 96,903,000
1963 5,823,010 95,900,000
1962 5,697,558 94,933,000
1961 5,571,168 94,055,000
1960 5,449,966 93,216,000

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/cambodia/japan | CC BY

From 2006 to 2016, the population of Cambodia increased by 2,213,775 people (a 16.2% growth), while Japan lost 778,000 people (a 0.61% decline).

For the next 10 years, from 2016 to 2026, Cambodia gained 2,261,183 people (a 14.3% growth), while Japan's population decreased by 4,398,750 people (a 3.46% decline).

Cambodia was ranked 67th most populous country in 2006 and is 73rd in 2026. Japan was ranked 10th in 2006 and ranked 12th now.

The UN's World Population Prospects forecasts that in 24 years (in 2050) Cambodia's population will grow by 21.5% to 22,005,604 people and will still be ranked 73rd. The population of Japan will decrease by 14.1% to 105,377,283 people and rank change from 12th to 17th.

Cambodia is projected to reach its peak in 2078 at 23.5M people, while Japan's population already peaked in 2010 at 128M people and is projected to decrease to 77M people by 2100.

Population growth rate by year

Cambodia
Factual

Projection
Japan
Factual

Projection
1x
Year Growth rate
Cambodia Japan
2100 -0.25% -0.5%
2099 -0.25% -0.49%
2098 -0.23% -0.48%
2097 -0.22% -0.48%
2096 -0.19% -0.48%
2095 -0.19% -0.47%
2094 -0.17% -0.47%
2093 -0.16% -0.47%
2092 -0.14% -0.47%
2091 -0.14% -0.47%
2090 -0.13% -0.47%
2089 -0.1% -0.47%
2088 -0.1% -0.47%
2087 -0.09% -0.48%
2086 -0.08% -0.49%
2085 -0.07% -0.5%
2084 -0.05% -0.5%
2083 -0.03% -0.52%
2082 -0.03% -0.53%
2081 -0.03% -0.55%
2080 -0.02% -0.57%
2079 -0.004% -0.59%
2078 0.02% -0.62%
2077 0.03% -0.64%
2076 0.03% -0.67%
2075 0.05% -0.69%
2074 0.05% -0.73%
2073 0.08% -0.74%
2072 0.09% -0.76%
2071 0.1% -0.79%
2070 0.12% -0.79%
2069 0.13% -0.8%
2068 0.16% -0.8%
2067 0.18% -0.81%
2066 0.18% -0.81%
2065 0.22% -0.79%
2064 0.23% -0.79%
2063 0.24% -0.78%
2062 0.27% -0.77%
2061 0.3% -0.76%
2060 0.32% -0.75%
2059 0.35% -0.73%
2058 0.37% -0.71%
2057 0.38% -0.7%
2056 0.4% -0.68%
2055 0.43% -0.68%
2054 0.46% -0.65%
2053 0.48% -0.65%
2052 0.52% -0.64%
2051 0.53% -0.64%
2050 0.57% -0.64%
2049 0.59% -0.64%
2048 0.61% -0.64%
2047 0.64% -0.64%
2046 0.66% -0.65%
2045 0.68% -0.65%
2044 0.71% -0.65%
2043 0.73% -0.65%
2042 0.75% -0.66%
2041 0.76% -0.65%
2040 0.79% -0.65%
2039 0.81% -0.65%
2038 0.83% -0.65%
2037 0.83% -0.65%
2036 0.88% -0.65%
2035 0.89% -0.64%
2034 0.92% -0.63%
2033 0.94% -0.63%
2032 0.97% -0.62%
2031 0.99% -0.61%
2030 1.03% -0.6%
2029 1.06% -0.59%
2028 1.09% -0.58%
2027 1.11% -0.56%
2026 1.17% -0.54%
2025 1.21% -0.51%
2024 1.23% -0.43%
2023 1.29% -0.49%
2022 1.34% -0.44%
2021 1.49% -0.46%
2020 1.48% -0.29%
2019 1.27% -0.14%
2018 1.25% -0.13%
2017 1.39% -0.08%
2016 1.47% -0.05%
2015 1.47% -0.11%
2014 1.49% -0.13%
2013 1.51% -0.14%
2012 1.51% -0.16%
2011 1.53% -0.19%
2010 1.57% 0.02%
2009 1.59% -0.01%
2008 1.53% 0.05%
2007 1.49% 0.11%
2006 1.49% 0.06%
2005 1.47% 0.009%
2004 1.48% 0.03%
2003 1.52% 0.21%
2002 1.55% 0.23%
2001 1.57% 0.24%
2000 1.6% 0.17%
1999 1.72% 0.18%
1998 4.21% 0.27%
1997 7.13% 0.24%
1996 7.81% 0.23%
1995 8.44% 0.23%
1994 7.23% 0.28%
1993 6.2% 0.32%
1992 5.54% 0.37%
1991 4.23% 0.39%
1990 4.26% 0.33%
1989 3.84% 0.4%
1988 3.87% 0.42%
1987 4.33% 0.48%
1986 4% 0.53%
1985 3.4% 0.63%
1984 3.71% 0.65%
1983 3.67% 0.7%
1982 2.88% 0.7%
1981 1.63% 0.73%
1980 2.18% 0.79%
1979 -2.36% 0.85%
1978 -8.06% 0.91%
1977 -7.6% 0.97%
1976 -6.78% 1.08%
1975 -2.98% 1.28%
1974 0.65% 1.34%
1973 0.99% 1.42%
1972 0.8% 1.41%
1971 -0.28% 2.22%
1970 0.52% 1.16%
1969 2.12% 1.2%
1968 2.12% 1.13%
1967 2.12% 1.04%
1966 2.12% 0.92%
1965 2.12% 1.08%
1964 2.12% 1.05%
1963 2.2% 1.02%
1962 2.27% 0.93%
1961 2.22% 0.9%

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/cambodia/japan | CC BY

In 2024, the population of Cambodia grew by 1.23%, while Japan's population declined by 0.43%.

Live population counters

Cambodia Japan
Current population
18113986
122677250
Population rank 73/197 12/197
Percent of world population 0.22% 1.48%
One net population change
2.45 minutes
58.3 seconds
One birth every
1.45 minutes
42.2 seconds
One death every
4.72 minutes
19.5 seconds
Daily growth/decline +589 -1,483
Annual growth/decline +214,921 -541,279
Annual growth/decline rate +1.23% -0.43%
Population growth rate rank 88/197 185/197
One migration net change every
16.7 minutes
3.75 minutes
Annual migration change -31,469 +140,579
Net migration rank 167/196 10/196
Foreign-born residents 83,925 3,409,529
Foreign-born residents rank 136/195 19/195
Foreign-born share of population 0.5% 2.8%
Foreign-born share rank 175/195 120/195

Natural population change vs migration

Cambodia
Natural

Migration
Japan
Natural

Migration
1x
Year Population change
Cambodia Japan
Natural Migration Natural Migration
2025 - -31,469 - 140,579
2024 - -32,960 - 153,357
2023 250,242 -31,837 -871,617 175,003
2022 257,269 -31,350 -825,825 175,003
2021 255,939 -27,025 -640,976 -34,996
2020 268,745 0 -542,923 42,001
2019 276,870 -57,268 -531,858 318,190
2018 280,671 -86,702 -456,520 320,601
2017 282,698 -74,362 -406,310 322,564
2016 284,130 -51,324 -343,106 314,732
2015 284,390 -58,101 -292,424 168,896
2014 283,193 -56,536 -267,279 58,109
2013 281,013 -54,554 -242,146 66,449
2012 276,649 -52,874 -229,733 67,904
2011 272,161 -50,941 -204,533 97,720
2010 272,266 -49,781 -128,070 131,860
2009 274,700 -49,354 -76,828 125,450
2008 272,132 -50,809 -51,225 142,605
2007 270,745 -68,653 -25,600 138,024
2006 263,697 -60,315 12,785 130,065
2005 256,756 -60,473 -25,554 113,017
2004 251,650 -58,972 76,656 69,014
2003 251,884 -57,026 114,946 74,875
2002 251,860 -55,245 178,423 60,864
2001 250,726 -53,815 203,438 59,563
2000 246,330 -50,957 228,317 23,468
1999 245,425 -47,608 202,610 56,901
1998 251,076 -33,781 265,440 45,912
1997 252,351 504,742 277,325 43,366
1996 274,147 508,187 314,392 25,030
1995 280,168 503,042 276,039 87,714
1994 286,728 488,732 363,017 154,214
1993 282,221 187,883 312,073 168,836
1992 260,673 275,823 360,833 170,878
1991 257,709 58,264 396,685 161,331
1990 249,776 58,455 407,478 124,582
1989 239,211 55,125 467,662 31,202
1988 243,203 -14,627 527,085 51,154
1987 235,064 44,442 598,138 28,001
1986 221,684 43,356 631,706 27,987
1985 214,101 4,677 676,687 -141,323
1984 207,700 -29,141 756,523 -273,686
1983 192,849 46,428 775,495 -269,755
1982 180,300 -20,026 805,664 -288,550
1981 166,578 -22,982 811,861 -278,525
1980 159,157 -133,508 864,372 -92,314
1979 78,143 118,334 950,298 -57,692
1978 -357,478 -84,695 1,011,234 -47,996
1977 -416,117 -55,504 1,070,397 -49,082
1976 -408,505 -52,741 1,127,750 -34,976
1975 -383,806 -47,717 1,204,989 107
1974 73,001 -45,225 1,332,960 -10,145
1973 101,304 -42,053 1,391,449 -34,674
1972 113,190 -40,764 1,372,006 -73,980
1971 113,813 -80,232 1,331,782 -107,778
1970 122,832 -193,008 1,230,496 33,731
1969 156,777 -17,676 1,195,962 49,447
1968 153,444 -17,745 1,191,930 43,593
1967 150,046 -16,983 1,258,475 29,632
1966 147,583 -17,216 682,072 68,934
1965 144,460 -16,930 1,126,448 -50,667
1964 141,216 -16,516 1,046,553 -100,696
1963 137,562 -15,929 987,770 -100,742
1962 132,861 -3,578 901,864 -57,075
1961 128,259 -4,764 893,522 -58,882
1960 124,237 -5,339 894,874 -150,371

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

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

Over the last 10 years, 85.2% of the population change in Cambodia is from natural causes (a gain of 2,724,147 people) and 14.8% is from migration (a loss of 474,505 people). In Japan 73.6% is from natural causes (a loss of 5,178,838 people) and 26.4% is from migration (a gain of 1,860,103 people).

As of 2024, 83,925 residents or 0.5% of the population were not native-born in Cambodia, compared to 3,409,529 people or 2.8% in Japan.

Biggest cities by population

Cambodia
City Population
Phnom Penh 2.13M
Siem Reap 245K
Battambang 130K
Serei Saophoan 99K
Sihanoukville 71.1K
Kampong Cham 61.8K
Svay Rieng 41.4K
Kampot 39.2K
Prey Veng 33.1K
Stung Treng 29.7K
Japan
City Population
Tokyo 14.3M
Yokohama 3.76M
Osaka 2.75M
Nagoya 2.33M
Sapporo 1.96M
Fukuoka 1.6M
Kawasaki 1.54M
Kobe 1.52M
Kyoto 1.46M
Saitama 1.33M

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/cambodia/japan | 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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