Skip to content

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

Updated on by Georank

The latest officially reported population of Cambodia was 17,847,982 in 2025 vs 3,568,978 people in Mongolia in 2025. In 2026, based on the adjusted UN estimation, the current Cambodia's population is 18,159,213 people compared to 3,630,744 in Mongolia.

Population statistics:

  • Cambodia's population is 5 times bigger than Mongolia's.
  • Cambodia is ranked the 73rd most populous country in the world, while Mongolia is the 132nd.
  • The countries together account for 0.26% of the world: 0.22% for Cambodia vs 0.04% for Mongolia.
  • For the last 10 years, Cambodia has had an average growth rate of +1.35% per year vs +1.71% in Mongolia.
  • Since 2006, the population of Cambodia has increased from 13.6M people to 18.2M (33.1% growth), while Mongolia has grown from 2.57M to 3.63M (41.4% growth).

Cambodia vs Mongolia: population by year and forecast

Cambodia
Factual

Projection
Mongolia
Factual

Projection
1x
Year Population
Cambodia Mongolia
2100 22,901,914 5,630,532
2099 22,958,383 5,624,298
2098 23,015,331 5,616,442
2097 23,068,989 5,607,739
2096 23,118,854 5,598,366
2095 23,162,704 5,587,141
2094 23,207,466 5,575,743
2093 23,247,521 5,563,600
2092 23,285,540 5,550,506
2091 23,317,510 5,537,031
2090 23,349,581 5,522,419
2089 23,381,110 5,507,083
2088 23,404,619 5,491,226
2087 23,429,179 5,475,425
2086 23,450,970 5,459,661
2085 23,469,059 5,442,388
2084 23,486,236 5,424,928
2083 23,498,658 5,406,747
2082 23,506,751 5,388,623
2081 23,512,878 5,369,593
2080 23,518,840 5,349,817
2079 23,523,165 5,329,240
2078 23,523,989 5,307,283
2077 23,519,769 5,286,383
2076 23,512,440 5,264,220
2075 23,506,393 5,241,700
2074 23,494,004 5,218,897
2073 23,481,588 5,195,622
2072 23,463,712 5,172,532
2071 23,443,140 5,149,066
2070 23,420,769 5,124,853
2069 23,393,461 5,101,195
2068 23,362,386 5,077,035
2067 23,324,169 5,052,818
2066 23,283,399 5,027,552
2065 23,242,009 5,002,655
2064 23,191,929 4,978,185
2063 23,139,318 4,953,806
2062 23,083,489 4,929,364
2061 23,020,659 4,904,690
2060 22,951,813 4,878,877
2059 22,877,844 4,852,963
2058 22,799,179 4,826,761
2057 22,715,484 4,799,120
2056 22,628,607 4,771,151
2055 22,537,541 4,742,184
2054 22,440,088 4,711,735
2053 22,338,320 4,679,745
2052 22,231,339 4,646,658
2051 22,117,409 4,612,090
2050 22,001,254 4,576,701
2049 21,877,484 4,539,215
2048 21,749,790 4,500,638
2047 21,618,052 4,460,511
2046 21,480,480 4,419,188
2045 21,340,224 4,376,222
2044 21,195,511 4,333,010
2043 21,046,437 4,289,776
2042 20,893,438 4,245,757
2041 20,738,659 4,201,838
2040 20,582,241 4,158,320
2039 20,421,184 4,115,023
2038 20,256,225 4,072,646
2037 20,088,660 4,030,644
2036 19,922,341 3,989,867
2035 19,747,906 3,950,239
2034 19,573,792 3,911,316
2033 19,395,265 3,873,353
2032 19,215,259 3,836,311
2031 19,030,553 3,800,027
2030 18,843,778 3,763,374
2029 18,652,372 3,726,490
2028 18,456,287 3,688,767
2027 18,256,828 3,650,012
2026 18,056,115 3,610,395
2025 17,847,982 3,568,978
2024 17,638,801 3,524,788
2023 17,423,880 3,481,145
2022 17,201,724 3,433,748
2021 16,974,305 3,383,741
2020 16,725,474 3,327,204
2019 16,481,304 3,267,673
2018 16,274,522 3,208,189
2017 16,073,372 3,148,917
2016 15,852,803 3,088,856
2015 15,623,251 3,026,864
2014 15,396,772 2,963,113
2013 15,170,208 2,899,011
2012 14,945,085 2,839,705
2011 14,722,584 2,786,317
2010 14,500,726 2,738,622
2009 14,276,810 2,691,115
2008 14,053,479 2,643,201
2007 13,841,770 2,601,850
2006 13,639,028 2,567,168
2005 13,439,202 2,536,407
2004 13,244,731 2,508,412
2003 13,050,968 2,480,374
2002 12,855,241 2,449,027
2001 12,658,484 2,417,751
2000 12,462,336 2,388,299
1999 12,265,731 2,356,813
1998 12,058,173 2,323,809
1997 11,570,982 2,291,750
1996 10,801,270 2,259,507
1995 10,018,497 2,224,945
1994 9,239,162 2,189,395
1993 8,616,381 2,165,130
1992 8,113,083 2,167,790
1991 7,686,850 2,165,342
1990 7,374,752 2,098,710
1989 7,073,473 2,124,185
1988 6,812,014 2,076,322
1987 6,557,970 2,022,800
1986 6,285,693 1,970,965
1985 6,043,783 1,921,514
1984 5,845,117 1,874,349
1983 5,636,203 1,829,092
1982 5,436,432 1,785,364
1981 5,284,495 1,742,857
1980 5,199,872 1,701,335
1979 5,088,808 1,660,659
1978 5,211,653 1,619,468
1977 5,668,551 1,576,245
1976 6,134,991 1,531,945
1975 6,581,371 1,488,296
1974 6,783,240 1,446,050
1973 6,739,726 1,405,502
1972 6,673,886 1,366,821
1971 6,620,880 1,330,071
1970 6,639,182 1,295,272
1969 6,604,725 1,262,284
1968 6,467,324 1,229,930
1967 6,332,944 1,196,996
1966 6,201,232 1,163,754
1965 6,072,289 1,131,177
1964 5,946,178 1,100,234
1963 5,823,010 1,071,362
1962 5,697,558 1,041,444
1961 5,571,168 1,009,284
1960 5,449,966 977,595

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/mongolia | CC BY

From 2006 to 2016, the population of Cambodia increased by 2,213,775 people (a 16.2% growth), while Mongolia gained 521,688 people (a 20.3% growth).

For the next 10 years, from 2016 to 2026, Cambodia gained 2,306,410 people (a 14.5% growth), while Mongolia's population increased by 541,888 people (a 17.5% growth).

Cambodia was ranked 67th most populous country in 2006 and is 73rd in 2026. Mongolia was ranked 137th in 2006 and ranked 132nd 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 Mongolia will increase by 26.1% to 4,576,701 people and rank change from 132nd to 130th.

Cambodia is projected to reach its peak in 2078 at 23.5M people compared to the peak of 5.63M people in 2100 for Mongolia.

Population growth rate by year

Cambodia
Factual

Projection
Mongolia
Factual

Projection
1x
Year Growth rate
Cambodia Mongolia
2100 -0.25% 0.11%
2099 -0.25% 0.14%
2098 -0.23% 0.16%
2097 -0.22% 0.17%
2096 -0.19% 0.2%
2095 -0.19% 0.2%
2094 -0.17% 0.22%
2093 -0.16% 0.24%
2092 -0.14% 0.24%
2091 -0.14% 0.26%
2090 -0.13% 0.28%
2089 -0.1% 0.29%
2088 -0.1% 0.29%
2087 -0.09% 0.29%
2086 -0.08% 0.32%
2085 -0.07% 0.32%
2084 -0.05% 0.34%
2083 -0.03% 0.34%
2082 -0.03% 0.35%
2081 -0.03% 0.37%
2080 -0.02% 0.39%
2079 -0.004% 0.41%
2078 0.02% 0.4%
2077 0.03% 0.42%
2076 0.03% 0.43%
2075 0.05% 0.44%
2074 0.05% 0.45%
2073 0.08% 0.45%
2072 0.09% 0.46%
2071 0.1% 0.47%
2070 0.12% 0.46%
2069 0.13% 0.48%
2068 0.16% 0.48%
2067 0.18% 0.5%
2066 0.18% 0.5%
2065 0.22% 0.49%
2064 0.23% 0.49%
2063 0.24% 0.5%
2062 0.27% 0.5%
2061 0.3% 0.53%
2060 0.32% 0.53%
2059 0.35% 0.54%
2058 0.37% 0.58%
2057 0.38% 0.59%
2056 0.4% 0.61%
2055 0.43% 0.65%
2054 0.46% 0.68%
2053 0.48% 0.71%
2052 0.52% 0.75%
2051 0.53% 0.77%
2050 0.57% 0.83%
2049 0.59% 0.86%
2048 0.61% 0.9%
2047 0.64% 0.94%
2046 0.66% 0.98%
2045 0.68% 1%
2044 0.71% 1.01%
2043 0.73% 1.04%
2042 0.75% 1.05%
2041 0.76% 1.05%
2040 0.79% 1.05%
2039 0.81% 1.04%
2038 0.83% 1.04%
2037 0.83% 1.02%
2036 0.88% 1%
2035 0.89% 1%
2034 0.92% 0.98%
2033 0.94% 0.97%
2032 0.97% 0.95%
2031 0.99% 0.97%
2030 1.03% 0.99%
2029 1.06% 1.02%
2028 1.09% 1.06%
2027 1.11% 1.1%
2026 1.17% 1.16%
2025 1.19% 1.25%
2024 1.23% 1.25%
2023 1.29% 1.38%
2022 1.34% 1.48%
2021 1.49% 1.7%
2020 1.48% 1.82%
2019 1.27% 1.85%
2018 1.25% 1.88%
2017 1.39% 1.94%
2016 1.47% 2.05%
2015 1.47% 2.15%
2014 1.49% 2.21%
2013 1.51% 2.09%
2012 1.51% 1.92%
2011 1.53% 1.74%
2010 1.57% 1.77%
2009 1.59% 1.81%
2008 1.53% 1.59%
2007 1.49% 1.35%
2006 1.49% 1.21%
2005 1.47% 1.12%
2004 1.48% 1.13%
2003 1.52% 1.28%
2002 1.55% 1.29%
2001 1.57% 1.23%
2000 1.6% 1.34%
1999 1.72% 1.42%
1998 4.21% 1.4%
1997 7.13% 1.43%
1996 7.81% 1.55%
1995 8.44% 1.62%
1994 7.23% 1.12%
1993 6.2% -0.12%
1992 5.54% 0.11%
1991 4.23% 3.17%
1990 4.26% -1.2%
1989 3.84% 2.31%
1988 3.87% 2.65%
1987 4.33% 2.63%
1986 4% 2.57%
1985 3.4% 2.52%
1984 3.71% 2.47%
1983 3.67% 2.45%
1982 2.88% 2.44%
1981 1.63% 2.44%
1980 2.18% 2.45%
1979 -2.36% 2.54%
1978 -8.06% 2.74%
1977 -7.6% 2.89%
1976 -6.78% 2.93%
1975 -2.98% 2.92%
1974 0.65% 2.88%
1973 0.99% 2.83%
1972 0.8% 2.76%
1971 -0.28% 2.69%
1970 0.52% 2.61%
1969 2.12% 2.63%
1968 2.12% 2.75%
1967 2.12% 2.86%
1966 2.12% 2.88%
1965 2.12% 2.81%
1964 2.12% 2.69%
1963 2.2% 2.87%
1962 2.27% 3.19%
1961 2.22% 3.24%

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/mongolia | CC BY

In 2025, the population of Cambodia grew by 1.19%, while Mongolia's population grew by 1.25%.

Live population counters

Cambodia Mongolia
Current population
18159213
3630744
Population rank 73/197 132/197
Percent of world population 0.22% 0.04%
One net population change
2.52 minutes
11.9 minutes
One birth every
1.47 minutes
8.82 minutes
One death every
4.62 minutes
27.1 minutes
Daily growth/decline +573 +121
Annual growth/decline +209,181 +44,190
Annual growth/decline rate +1.19% +1.25%
Population growth rate rank 88/197 81/197
One migration net change every
16.7 minutes
4.63 days
Annual migration change -31,469 +79
Net migration rank 167/196 74/196
Foreign-born residents 83,925 22,589
Foreign-born residents rank 136/195 169/195
Foreign-born share of population 0.5% 0.6%
Foreign-born share rank 175/195 171/195

Natural population change vs migration

Cambodia
Natural

Migration
Mongolia
Natural

Migration
1x
Year Population change
Cambodia Mongolia
Natural Migration Natural Migration
2025 - -31,469 - 79
2024 244,386 -32,960 40,182 83
2023 250,242 -31,837 46,995 0
2022 257,269 -31,350 47,730 0
2021 255,939 -27,025 52,109 0
2020 268,745 0 60,888 0
2019 276,870 -57,268 61,433 8,660
2018 280,671 -86,702 60,635 7,811
2017 282,698 -74,362 57,940 6,831
2016 284,130 -51,324 62,086 5,633
2015 284,390 -58,101 64,473 4,307
2014 283,193 -56,536 66,078 2,921
2013 281,013 -54,554 62,618 1,505
2012 276,649 -52,874 55,942 351
2011 272,161 -50,941 50,711 -505
2010 272,266 -49,781 44,914 -6,444
2009 274,700 -49,354 48,876 -15,007
2008 272,132 -50,809 45,843 -17,277
2007 270,745 -68,653 39,636 -15,220
2006 263,697 -60,315 33,609 -11,934
2005 256,756 -60,473 29,290 -8,924
2004 251,650 -58,972 28,418 -8,148
2003 251,884 -57,026 28,827 -7,986
2002 251,860 -55,245 30,439 -8,934
2001 250,726 -53,815 32,052 -10,244
2000 246,330 -50,957 32,753 -11,241
1999 245,425 -47,608 32,283 -13,481
1998 251,076 -33,781 31,757 -10,315
1997 252,351 504,742 32,403 -9,132
1996 274,147 508,187 33,741 -8,626
1995 280,168 503,042 34,473 -7,346
1994 286,728 488,732 34,711 -5,449
1993 282,221 187,883 36,924 -5,429
1992 260,673 275,823 42,437 -8,404
1991 257,709 58,264 47,884 -11,427
1990 249,776 58,455 49,443 -11,881
1989 239,211 55,125 51,420 -9,757
1988 243,203 -14,627 51,588 2,459
1987 235,064 44,442 51,140 1,855
1986 221,684 43,356 50,329 354
1985 214,101 4,677 49,944 -1,719
1984 207,700 -29,141 48,562 -2,452
1983 192,849 46,428 46,919 -2,522
1982 180,300 -20,026 45,179 -2,132
1981 166,578 -22,982 43,588 -1,615
1980 159,157 -133,508 42,343 -1,268
1979 78,143 118,334 41,568 -1,296
1978 -357,478 -84,695 40,276 1,833
1977 -416,117 -55,504 38,995 5,354
1976 -408,505 -52,741 37,670 6,577
1975 -383,806 -47,717 36,490 6,556
1974 73,001 -45,225 35,297 6,153
1973 101,304 -42,053 33,993 5,647
1972 113,190 -40,764 32,727 4,999
1971 113,813 -80,232 31,536 4,238
1970 122,832 -193,008 30,558 3,263
1969 156,777 -17,676 29,781 2,366
1968 153,444 -17,745 29,017 3,535
1967 150,046 -16,983 28,178 5,139
1966 147,583 -17,216 27,338 5,837
1965 144,460 -16,930 26,364 5,610
1964 141,216 -16,516 25,317 4,599
1963 137,562 -15,929 24,142 3,687
1962 132,861 -3,578 22,960 9,049
1961 128,259 -4,764 21,873 10,440
1960 124,237 -5,339 20,726 10,334

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

GeoRank.org/population/cambodia/mongolia | 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 Mongolia 94.3% is from natural causes (a gain of 554,471 people) and 5.67% is from migration (a gain of 33,325 people).

As of 2024, 83,925 residents or 0.5% of the population were not native-born in Cambodia, compared to 22,589 people or 0.6% in Mongolia.

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
Mongolia
City Population
Ulaanbaatar 1.4M
Bulgan 12.3K

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/mongolia | CC BY

Help us show the world through your eyes

Share a photo of your city and help others discover what it looks like to live there. Your contribution makes our data come alive.

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)

Creative Commons Attribution (CC BY) — you’re free to copy, share, remix, adapt, and use even commercially as long as you give appropriate credit and clearly indicate if you made changes. Other sources may be subject to different license terms.