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

Updated on by Georank

The latest officially reported population of Cambodia was 17,847,982 in 2025 vs 71,619,863 people in Thailand in 2025. In 2026, based on the adjusted UN estimation, the current Cambodia's population is 18,159,213 people compared to 71,565,981 in Thailand.

Population statistics:

  • Thailand's population is 3.94 times bigger than Cambodia's.
  • Cambodia is ranked the 73rd most populous country in the world, while Thailand is the 21st.
  • The countries together account for 1.08% of the world: 0.22% for Cambodia vs 0.86% for Thailand.
  • For the last 10 years, Cambodia has had an average growth rate of +1.35% per year vs +0.18% in Thailand.
  • Since 2006, the population of Cambodia has increased from 13.6M people to 18.2M (33.1% growth), while Thailand has grown from 66.6M to 71.6M (7.51% growth).

Cambodia vs Thailand: population by year and forecast

Cambodia
Factual

Projection
Thailand
Factual

Projection
1x
Year Population
Cambodia Thailand
2100 22,901,914 45,708,431
2099 22,958,383 46,053,146
2098 23,015,331 46,403,189
2097 23,068,989 46,757,918
2096 23,118,854 47,118,652
2095 23,162,704 47,484,043
2094 23,207,466 47,853,561
2093 23,247,521 48,226,682
2092 23,285,540 48,605,235
2091 23,317,510 48,984,504
2090 23,349,581 49,368,049
2089 23,381,110 49,756,629
2088 23,404,619 50,142,276
2087 23,429,179 50,532,164
2086 23,450,970 50,925,294
2085 23,469,059 51,321,960
2084 23,486,236 51,724,454
2083 23,498,658 52,127,592
2082 23,506,751 52,533,368
2081 23,512,878 52,938,345
2080 23,518,840 53,347,733
2079 23,523,165 53,762,492
2078 23,523,989 54,177,529
2077 23,519,769 54,595,112
2076 23,512,440 55,015,291
2075 23,506,393 55,438,108
2074 23,494,004 55,867,914
2073 23,481,588 56,300,358
2072 23,463,712 56,735,274
2071 23,443,140 57,172,515
2070 23,420,769 57,616,731
2069 23,393,461 58,061,962
2068 23,362,386 58,512,248
2067 23,324,169 58,962,990
2066 23,283,399 59,413,893
2065 23,242,009 59,873,261
2064 23,191,929 60,331,851
2063 23,139,318 60,792,306
2062 23,083,489 61,257,068
2061 23,020,659 61,720,030
2060 22,951,813 62,187,380
2059 22,877,844 62,651,158
2058 22,799,179 63,113,332
2057 22,715,484 63,572,746
2056 22,628,607 64,027,520
2055 22,537,541 64,473,146
2054 22,440,088 64,912,210
2053 22,338,320 65,338,122
2052 22,231,339 65,758,061
2051 22,117,409 66,162,612
2050 22,001,254 66,552,915
2049 21,877,484 66,931,487
2048 21,749,790 67,291,479
2047 21,618,052 67,636,461
2046 21,480,480 67,967,131
2045 21,340,224 68,281,902
2044 21,195,511 68,579,656
2043 21,046,437 68,864,788
2042 20,893,438 69,133,982
2041 20,738,659 69,390,832
2040 20,582,241 69,626,857
2039 20,421,184 69,848,522
2038 20,256,225 70,056,903
2037 20,088,660 70,250,371
2036 19,922,341 70,429,677
2035 19,747,906 70,599,021
2034 19,573,792 70,751,094
2033 19,395,265 70,891,510
2032 19,215,259 71,019,665
2031 19,030,553 71,134,882
2030 18,843,778 71,241,584
2029 18,652,372 71,337,147
2028 18,456,287 71,423,119
2027 18,256,828 71,499,411
2026 18,056,115 71,565,981
2025 17,847,982 71,619,863
2024 17,638,801 71,668,011
2023 17,423,880 71,702,435
2022 17,201,724 71,735,329
2021 16,974,305 71,727,332
2020 16,725,474 71,641,484
2019 16,481,304 71,522,271
2018 16,274,522 71,376,079
2017 16,073,372 71,160,187
2016 15,852,803 70,859,841
2015 15,623,251 70,540,795
2014 15,396,772 70,216,367
2013 15,170,208 69,845,114
2012 14,945,085 69,436,098
2011 14,722,584 69,007,208
2010 14,500,726 68,579,447
2009 14,276,810 68,121,080
2008 14,053,479 67,619,830
2007 13,841,770 67,102,394
2006 13,639,028 66,567,687
2005 13,439,202 66,017,420
2004 13,244,731 65,452,047
2003 13,050,968 64,868,166
2002 12,855,241 64,266,437
2001 12,658,484 63,651,141
2000 12,462,336 63,007,815
1999 12,265,731 62,299,043
1998 12,058,173 61,522,630
1997 11,570,982 60,724,584
1996 10,801,270 59,920,064
1995 10,018,497 59,098,232
1994 9,239,162 58,260,854
1993 8,616,381 57,408,198
1992 8,113,083 56,528,834
1991 7,686,850 55,637,434
1990 7,374,752 54,738,329
1989 7,073,473 53,848,956
1988 6,812,014 52,969,595
1987 6,557,970 52,074,105
1986 6,285,693 51,177,834
1985 6,043,783 50,270,753
1984 5,845,117 49,351,708
1983 5,636,203 48,423,309
1982 5,436,432 47,494,577
1981 5,284,495 46,575,855
1980 5,199,872 45,650,022
1979 5,088,808 44,718,434
1978 5,211,653 43,788,976
1977 5,668,551 42,843,974
1976 6,134,991 41,896,504
1975 6,581,371 40,940,005
1974 6,783,240 39,952,891
1973 6,739,726 38,947,787
1972 6,673,886 37,933,929
1971 6,620,880 36,937,387
1970 6,639,182 35,954,408
1969 6,604,725 34,973,782
1968 6,467,324 34,002,560
1967 6,332,944 33,037,801
1966 6,201,232 32,086,071
1965 6,072,289 31,149,337
1964 5,946,178 30,232,141
1963 5,823,010 29,342,322
1962 5,697,558 28,481,040
1961 5,571,168 27,650,334
1960 5,449,966 26,851,747

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/thailand | CC BY

From 2006 to 2016, the population of Cambodia increased by 2,213,775 people (a 16.2% growth), while Thailand gained 4,292,154 people (a 6.45% growth).

For the next 10 years, from 2016 to 2026, Cambodia gained 2,306,410 people (a 14.5% growth), while Thailand's population increased by 706,140 people (a 1% growth).

Cambodia was ranked 67th most populous country in 2006 and is 73rd in 2026. Thailand was ranked 19th in 2006 and ranked 21st 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 Thailand will decrease by 7% to 66,552,915 people and rank change from 21st to 31st.

Cambodia is projected to reach its peak in 2078 at 23.5M people, while Thailand's population already peaked in 2022 at 71.7M people and is projected to decrease to 45.7M people by 2100.

Population growth rate by year

Cambodia
Factual

Projection
Thailand
Factual

Projection
1x
Year Growth rate
Cambodia Thailand
2100 -0.25% -0.75%
2099 -0.25% -0.75%
2098 -0.23% -0.76%
2097 -0.22% -0.77%
2096 -0.19% -0.77%
2095 -0.19% -0.77%
2094 -0.17% -0.77%
2093 -0.16% -0.78%
2092 -0.14% -0.77%
2091 -0.14% -0.78%
2090 -0.13% -0.78%
2089 -0.1% -0.77%
2088 -0.1% -0.77%
2087 -0.09% -0.77%
2086 -0.08% -0.77%
2085 -0.07% -0.78%
2084 -0.05% -0.77%
2083 -0.03% -0.77%
2082 -0.03% -0.76%
2081 -0.03% -0.77%
2080 -0.02% -0.77%
2079 -0.004% -0.77%
2078 0.02% -0.76%
2077 0.03% -0.76%
2076 0.03% -0.76%
2075 0.05% -0.77%
2074 0.05% -0.77%
2073 0.08% -0.77%
2072 0.09% -0.76%
2071 0.1% -0.77%
2070 0.12% -0.77%
2069 0.13% -0.77%
2068 0.16% -0.76%
2067 0.18% -0.76%
2066 0.18% -0.77%
2065 0.22% -0.76%
2064 0.23% -0.76%
2063 0.24% -0.76%
2062 0.27% -0.75%
2061 0.3% -0.75%
2060 0.32% -0.74%
2059 0.35% -0.73%
2058 0.37% -0.72%
2057 0.38% -0.71%
2056 0.4% -0.69%
2055 0.43% -0.68%
2054 0.46% -0.65%
2053 0.48% -0.64%
2052 0.52% -0.61%
2051 0.53% -0.59%
2050 0.57% -0.57%
2049 0.59% -0.53%
2048 0.61% -0.51%
2047 0.64% -0.49%
2046 0.66% -0.46%
2045 0.68% -0.43%
2044 0.71% -0.41%
2043 0.73% -0.39%
2042 0.75% -0.37%
2041 0.76% -0.34%
2040 0.79% -0.32%
2039 0.81% -0.3%
2038 0.83% -0.28%
2037 0.83% -0.25%
2036 0.88% -0.24%
2035 0.89% -0.21%
2034 0.92% -0.2%
2033 0.94% -0.18%
2032 0.97% -0.16%
2031 0.99% -0.15%
2030 1.03% -0.13%
2029 1.06% -0.12%
2028 1.09% -0.11%
2027 1.11% -0.09%
2026 1.17% -0.08%
2025 1.19% -0.07%
2024 1.23% -0.05%
2023 1.29% -0.05%
2022 1.34% 0.01%
2021 1.49% 0.12%
2020 1.48% 0.17%
2019 1.27% 0.2%
2018 1.25% 0.3%
2017 1.39% 0.42%
2016 1.47% 0.45%
2015 1.47% 0.46%
2014 1.49% 0.53%
2013 1.51% 0.59%
2012 1.51% 0.62%
2011 1.53% 0.62%
2010 1.57% 0.67%
2009 1.59% 0.74%
2008 1.53% 0.77%
2007 1.49% 0.8%
2006 1.49% 0.83%
2005 1.47% 0.86%
2004 1.48% 0.9%
2003 1.52% 0.94%
2002 1.55% 0.97%
2001 1.57% 1.02%
2000 1.6% 1.14%
1999 1.72% 1.26%
1998 4.21% 1.31%
1997 7.13% 1.34%
1996 7.81% 1.39%
1995 8.44% 1.44%
1994 7.23% 1.49%
1993 6.2% 1.56%
1992 5.54% 1.6%
1991 4.23% 1.64%
1990 4.26% 1.65%
1989 3.84% 1.66%
1988 3.87% 1.72%
1987 4.33% 1.75%
1986 4% 1.8%
1985 3.4% 1.86%
1984 3.71% 1.92%
1983 3.67% 1.96%
1982 2.88% 1.97%
1981 1.63% 2.03%
1980 2.18% 2.08%
1979 -2.36% 2.12%
1978 -8.06% 2.21%
1977 -7.6% 2.26%
1976 -6.78% 2.34%
1975 -2.98% 2.47%
1974 0.65% 2.58%
1973 0.99% 2.67%
1972 0.8% 2.7%
1971 -0.28% 2.73%
1970 0.52% 2.8%
1969 2.12% 2.86%
1968 2.12% 2.92%
1967 2.12% 2.97%
1966 2.12% 3.01%
1965 2.12% 3.03%
1964 2.12% 3.03%
1963 2.2% 3.02%
1962 2.27% 3%
1961 2.22% 2.97%

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/thailand | CC BY

In 2025, the population of Cambodia grew by 1.19%, while Thailand's population declined by 0.07%.

Live population counters

Cambodia Thailand
Current population
18159213
71565981
Population rank 73/197 21/197
Percent of world population 0.22% 0.86%
One net population change
2.52 minutes
10.9 minutes
One birth every
1.47 minutes
54.2 seconds
One death every
4.62 minutes
48.7 seconds
Daily growth/decline +573 -132
Annual growth/decline +209,181 -48,148
Annual growth/decline rate +1.19% -0.07%
Population growth rate rank 88/197 164/197
One migration net change every
16.7 minutes
19.2 minutes
Annual migration change -31,469 +27,509
Net migration rank 167/196 30/196
Foreign-born residents 83,925 3,179,399
Foreign-born residents rank 136/195 21/195
Foreign-born share of population 0.5% 4.4%
Foreign-born share rank 175/195 100/195

Natural population change vs migration

Cambodia
Natural

Migration
Thailand
Natural

Migration
1x
Year Population change
Cambodia Thailand
Natural Migration Natural Migration
2025 - -31,469 - 27,509
2024 244,386 -32,960 -65,720 23,321
2023 250,242 -31,837 -46,105 19,648
2022 257,269 -31,350 -61,046 21,683
2021 255,939 -27,025 57,382 -2,093
2020 268,745 0 84,107 32,277
2019 276,870 -57,268 116,867 5,221
2018 280,671 -86,702 159,383 10,984
2017 282,698 -74,362 194,695 66,805
2016 284,130 -51,324 226,255 112,978
2015 284,390 -58,101 266,362 32,500
2014 283,193 -56,536 294,628 55,358
2013 281,013 -54,554 325,059 67,452
2012 276,649 -52,874 351,485 74,033
2011 272,161 -50,941 365,670 66,607
2010 272,266 -49,781 370,466 52,791
2009 274,700 -49,354 382,636 110,883
2008 272,132 -50,809 401,730 107,333
2007 270,745 -68,653 425,362 100,486
2006 263,697 -60,315 441,211 102,362
2005 256,756 -60,473 456,378 100,542
2004 251,650 -58,972 466,542 107,199
2003 251,884 -57,026 488,003 105,917
2002 251,860 -55,245 504,299 105,215
2001 250,726 -53,815 524,230 96,817
2000 246,330 -50,957 543,884 121,640
1999 245,425 -47,608 578,073 173,924
1998 251,076 -33,781 617,318 183,471
1997 252,351 504,742 644,834 150,411
1996 274,147 508,187 661,397 152,397
1995 280,168 503,042 682,703 147,226
1994 286,728 488,732 712,589 132,271
1993 282,221 187,883 737,696 122,746
1992 260,673 275,823 754,999 143,318
1991 257,709 58,264 760,508 124,034
1990 249,776 58,455 760,808 152,916
1989 239,211 55,125 774,563 90,497
1988 243,203 -14,627 765,252 128,469
1987 235,064 44,442 774,498 122,791
1986 221,684 43,356 783,430 111,820
1985 214,101 4,677 776,935 141,963
1984 207,700 -29,141 779,856 139,345
1983 192,849 46,428 794,239 143,393
1982 180,300 -20,026 817,951 101,885
1981 166,578 -22,982 839,297 78,337
1980 159,157 -133,508 845,575 88,478
1979 78,143 118,334 843,434 85,693
1978 -357,478 -84,695 847,799 82,011
1977 -416,117 -55,504 871,232 88,937
1976 -408,505 -52,741 894,072 40,656
1975 -383,806 -47,717 911,980 66,306
1974 73,001 -45,225 923,151 72,801
1973 101,304 -42,053 933,540 80,704
1972 113,190 -40,764 940,420 73,082
1971 113,813 -80,232 936,215 43,400
1970 122,832 -193,008 937,116 49,221
1969 156,777 -17,676 948,314 26,551
1968 153,444 -17,745 953,806 13,718
1967 150,046 -16,983 944,980 17,005
1966 147,583 -17,216 929,469 12,016
1965 144,460 -16,930 909,000 22,995
1964 141,216 -16,516 885,137 17,249
1963 137,562 -15,929 860,728 16,494
1962 132,861 -3,578 828,741 16,605
1961 128,259 -4,764 801,140 14,968
1960 124,237 -5,339 774,190 6,886

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

GeoRank.org/population/cambodia/thailand | 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 Thailand 74.2% is from natural causes (a gain of 932,180 people) and 25.8% is from migration (a gain of 323,324 people).

As of 2024, 83,925 residents or 0.5% of the population were not native-born in Cambodia, compared to 3,179,399 people or 4.4% in Thailand.

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
Thailand
City Population
Bangkok 5.68M
Chiang Mai 1.2M
Nonthaburi 256K
Pak Kret 190K
Hat Yai 159K
Nakhon Ratchasima 134K
Chaophraya Surasak 133K
Surat Thani 131K
Udon Thani 130K
Klaeng 130K

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/thailand | 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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