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Population in Cambodia compared to Papua New Guinea: Trends, Charts, Rankings

Updated on by Georank

The latest officially reported population of Cambodia was 17,847,982 in 2025 vs 10,762,817 people in Papua New Guinea in 2025. In 2026, based on the adjusted UN estimation, the current Cambodia's population is 18,159,213 people compared to 11,045,681 in Papua New Guinea.

Population statistics:

  • Cambodia's population is 1.64 times bigger than Papua New Guinea's.
  • Cambodia is ranked the 73rd most populous country in the world, while Papua New Guinea is the 89th.
  • The countries together account for 0.35% of the world: 0.22% for Cambodia vs 0.13% for Papua New Guinea.
  • For the last 10 years, Cambodia has had an average growth rate of +1.35% per year vs +2.14% in Papua New Guinea.
  • Since 2006, the population of Cambodia has increased from 13.6M people to 18.2M (33.1% growth), while Papua New Guinea has grown from 6.75M to 11M (63.7% growth).

Cambodia vs Papua New Guinea: population by year and forecast

Cambodia
Factual

Projection
Papua New Guinea
Factual

Projection
1x
Year Population
Cambodia Papua New Guinea
2100 22,901,914 18,798,240
2099 22,958,383 18,786,145
2098 23,015,331 18,772,372
2097 23,068,989 18,755,008
2096 23,118,854 18,733,822
2095 23,162,704 18,710,340
2094 23,207,466 18,683,383
2093 23,247,521 18,654,365
2092 23,285,540 18,621,911
2091 23,317,510 18,586,147
2090 23,349,581 18,545,656
2089 23,381,110 18,506,626
2088 23,404,619 18,464,999
2087 23,429,179 18,420,558
2086 23,450,970 18,372,233
2085 23,469,059 18,321,842
2084 23,486,236 18,270,605
2083 23,498,658 18,214,932
2082 23,506,751 18,159,412
2081 23,512,878 18,100,531
2080 23,518,840 18,035,268
2079 23,523,165 17,972,052
2078 23,523,989 17,904,957
2077 23,519,769 17,837,082
2076 23,512,440 17,768,107
2075 23,506,393 17,695,759
2074 23,494,004 17,621,390
2073 23,481,588 17,544,490
2072 23,463,712 17,463,028
2071 23,443,140 17,377,995
2070 23,420,769 17,291,519
2069 23,393,461 17,201,936
2068 23,362,386 17,108,606
2067 23,324,169 17,011,562
2066 23,283,399 16,911,929
2065 23,242,009 16,809,460
2064 23,191,929 16,705,205
2063 23,139,318 16,600,853
2062 23,083,489 16,493,872
2061 23,020,659 16,383,508
2060 22,951,813 16,267,162
2059 22,877,844 16,149,265
2058 22,799,179 16,029,360
2057 22,715,484 15,906,350
2056 22,628,607 15,781,247
2055 22,537,541 15,653,296
2054 22,440,088 15,519,925
2053 22,338,320 15,386,054
2052 22,231,339 15,247,553
2051 22,117,409 15,107,257
2050 22,001,254 14,965,427
2049 21,877,484 14,818,793
2048 21,749,790 14,670,417
2047 21,618,052 14,519,915
2046 21,480,480 14,367,141
2045 21,340,224 14,210,639
2044 21,195,511 14,053,122
2043 21,046,437 13,894,884
2042 20,893,438 13,735,841
2041 20,738,659 13,574,567
2040 20,582,241 13,410,615
2039 20,421,184 13,244,740
2038 20,256,225 13,076,640
2037 20,088,660 12,907,059
2036 19,922,341 12,735,582
2035 19,747,906 12,563,938
2034 19,573,792 12,389,907
2033 19,395,265 12,215,713
2032 19,215,259 12,039,848
2031 19,030,553 11,862,856
2030 18,843,778 11,683,177
2029 18,652,372 11,502,504
2028 18,456,287 11,320,226
2027 18,256,828 11,136,100
2026 18,056,115 10,950,183
2025 17,847,982 10,762,817
2024 17,638,801 10,576,502
2023 17,423,880 10,389,635
2022 17,201,724 10,203,169
2021 16,974,305 10,012,896
2020 16,725,474 9,815,746
2019 16,481,304 9,609,010
2018 16,274,522 9,394,513
2017 16,073,372 9,178,714
2016 15,852,803 8,961,718
2015 15,623,251 8,743,246
2014 15,396,772 8,523,441
2013 15,170,208 8,302,698
2012 14,945,085 8,081,390
2011 14,722,584 7,859,346
2010 14,500,726 7,633,523
2009 14,276,810 7,406,438
2008 14,053,479 7,183,002
2007 13,841,770 6,963,345
2006 13,639,028 6,747,720
2005 13,439,202 6,535,905
2004 13,244,731 6,328,041
2003 13,050,968 6,123,997
2002 12,855,241 5,924,003
2001 12,658,484 5,728,435
2000 12,462,336 5,537,064
1999 12,265,731 5,349,333
1998 12,058,173 5,166,390
1997 11,570,982 4,987,883
1996 10,801,270 4,813,361
1995 10,018,497 4,644,278
1994 9,239,162 4,480,208
1993 8,616,381 4,320,872
1992 8,113,083 4,166,699
1991 7,686,850 4,021,837
1990 7,374,752 3,896,481
1989 7,073,473 3,796,078
1988 6,812,014 3,711,880
1987 6,557,970 3,632,543
1986 6,285,693 3,554,793
1985 6,043,783 3,478,936
1984 5,845,117 3,405,198
1983 5,636,203 3,333,633
1982 5,436,432 3,264,291
1981 5,284,495 3,197,019
1980 5,199,872 3,131,512
1979 5,088,808 3,067,341
1978 5,211,653 3,003,714
1977 5,668,551 2,940,327
1976 6,134,991 2,877,327
1975 6,581,371 2,814,820
1974 6,783,240 2,752,671
1973 6,739,726 2,690,629
1972 6,673,886 2,628,432
1971 6,620,880 2,566,421
1970 6,639,182 2,505,628
1969 6,604,725 2,446,927
1968 6,467,324 2,390,803
1967 6,332,944 2,337,532
1966 6,201,232 2,285,774
1965 6,072,289 2,235,820
1964 5,946,178 2,188,325
1963 5,823,010 2,141,376
1962 5,697,558 2,093,919
1961 5,571,168 2,046,127
1960 5,449,966 1,995,110

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/papua-new-guinea | CC BY

From 2006 to 2016, the population of Cambodia increased by 2,213,775 people (a 16.2% growth), while Papua New Guinea gained 2,213,998 people (a 32.8% growth).

For the next 10 years, from 2016 to 2026, Cambodia gained 2,306,410 people (a 14.5% growth), while Papua New Guinea's population increased by 2,083,963 people (a 23.3% growth).

Cambodia was ranked 67th most populous country in 2006 and is 73rd in 2026. Papua New Guinea was ranked 100th in 2006 and ranked 89th 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 Papua New Guinea will increase by 35.5% to 14,965,427 people and rank change from 89th to 84th.

Cambodia is projected to reach its peak in 2078 at 23.5M people compared to the peak of 18.8M people in 2100 for Papua New Guinea.

Population growth rate by year

Cambodia
Factual

Projection
Papua New Guinea
Factual

Projection
1x
Year Growth rate
Cambodia Papua New Guinea
2100 -0.25% 0.06%
2099 -0.25% 0.07%
2098 -0.23% 0.09%
2097 -0.22% 0.11%
2096 -0.19% 0.13%
2095 -0.19% 0.14%
2094 -0.17% 0.16%
2093 -0.16% 0.17%
2092 -0.14% 0.19%
2091 -0.14% 0.22%
2090 -0.13% 0.21%
2089 -0.1% 0.23%
2088 -0.1% 0.24%
2087 -0.09% 0.26%
2086 -0.08% 0.28%
2085 -0.07% 0.28%
2084 -0.05% 0.31%
2083 -0.03% 0.31%
2082 -0.03% 0.33%
2081 -0.03% 0.36%
2080 -0.02% 0.35%
2079 -0.004% 0.37%
2078 0.02% 0.38%
2077 0.03% 0.39%
2076 0.03% 0.41%
2075 0.05% 0.42%
2074 0.05% 0.44%
2073 0.08% 0.47%
2072 0.09% 0.49%
2071 0.1% 0.5%
2070 0.12% 0.52%
2069 0.13% 0.55%
2068 0.16% 0.57%
2067 0.18% 0.59%
2066 0.18% 0.61%
2065 0.22% 0.62%
2064 0.23% 0.63%
2063 0.24% 0.65%
2062 0.27% 0.67%
2061 0.3% 0.72%
2060 0.32% 0.73%
2059 0.35% 0.75%
2058 0.37% 0.77%
2057 0.38% 0.79%
2056 0.4% 0.82%
2055 0.43% 0.86%
2054 0.46% 0.87%
2053 0.48% 0.91%
2052 0.52% 0.93%
2051 0.53% 0.95%
2050 0.57% 0.99%
2049 0.59% 1.01%
2048 0.61% 1.04%
2047 0.64% 1.06%
2046 0.66% 1.1%
2045 0.68% 1.12%
2044 0.71% 1.14%
2043 0.73% 1.16%
2042 0.75% 1.19%
2041 0.76% 1.22%
2040 0.79% 1.25%
2039 0.81% 1.29%
2038 0.83% 1.31%
2037 0.83% 1.35%
2036 0.88% 1.37%
2035 0.89% 1.4%
2034 0.92% 1.43%
2033 0.94% 1.46%
2032 0.97% 1.49%
2031 0.99% 1.54%
2030 1.03% 1.57%
2029 1.06% 1.61%
2028 1.09% 1.65%
2027 1.11% 1.7%
2026 1.17% 1.74%
2025 1.19% 1.76%
2024 1.23% 1.8%
2023 1.29% 1.83%
2022 1.34% 1.9%
2021 1.49% 2.01%
2020 1.48% 2.15%
2019 1.27% 2.28%
2018 1.25% 2.35%
2017 1.39% 2.42%
2016 1.47% 2.5%
2015 1.47% 2.58%
2014 1.49% 2.66%
2013 1.51% 2.74%
2012 1.51% 2.83%
2011 1.53% 2.96%
2010 1.57% 3.07%
2009 1.59% 3.11%
2008 1.53% 3.15%
2007 1.49% 3.2%
2006 1.49% 3.24%
2005 1.47% 3.28%
2004 1.48% 3.33%
2003 1.52% 3.38%
2002 1.55% 3.41%
2001 1.57% 3.46%
2000 1.6% 3.51%
1999 1.72% 3.54%
1998 4.21% 3.58%
1997 7.13% 3.63%
1996 7.81% 3.64%
1995 8.44% 3.66%
1994 7.23% 3.69%
1993 6.2% 3.7%
1992 5.54% 3.6%
1991 4.23% 3.22%
1990 4.26% 2.64%
1989 3.84% 2.27%
1988 3.87% 2.18%
1987 4.33% 2.19%
1986 4% 2.18%
1985 3.4% 2.17%
1984 3.71% 2.15%
1983 3.67% 2.12%
1982 2.88% 2.1%
1981 1.63% 2.09%
1980 2.18% 2.09%
1979 -2.36% 2.12%
1978 -8.06% 2.16%
1977 -7.6% 2.19%
1976 -6.78% 2.22%
1975 -2.98% 2.26%
1974 0.65% 2.31%
1973 0.99% 2.37%
1972 0.8% 2.42%
1971 -0.28% 2.43%
1970 0.52% 2.4%
1969 2.12% 2.35%
1968 2.12% 2.28%
1967 2.12% 2.26%
1966 2.12% 2.23%
1965 2.12% 2.17%
1964 2.12% 2.19%
1963 2.2% 2.27%
1962 2.27% 2.34%
1961 2.22% 2.56%

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/papua-new-guinea | CC BY

In 2025, the population of Cambodia grew by 1.19%, while Papua New Guinea's population grew by 1.76%.

Live population counters

Cambodia Papua New Guinea
Current population
18159213
11045681
Population rank 73/197 89/197
Percent of world population 0.22% 0.13%
One net population change
2.52 minutes
2.83 minutes
One birth every
1.47 minutes
2.05 minutes
One death every
4.62 minutes
7.58 minutes
Daily growth/decline +573 +510
Annual growth/decline +209,181 +186,315
Annual growth/decline rate +1.19% +1.76%
Population growth rate rank 88/197 59/197
One migration net change every
16.7 minutes
1.29 days
Annual migration change -31,469 -284
Net migration rank 167/196 87/196
Foreign-born residents 83,925 31,171
Foreign-born residents rank 136/195 163/195
Foreign-born share of population 0.5% 0.3%
Foreign-born share rank 175/195 183/195

Natural population change vs migration

Cambodia
Natural

Migration
Papua New Guinea
Natural

Migration
1x
Year Population change
Cambodia Papua New Guinea
Natural Migration Natural Migration
2025 - -31,469 - -284
2024 244,386 -32,960 187,595 -707
2023 250,242 -31,837 187,637 -787
2022 257,269 -31,350 186,861 -787
2021 255,939 -27,025 183,766 10,703
2020 268,745 0 189,130 10,703
2019 276,870 -57,268 190,662 22,978
2018 280,671 -86,702 190,662 24,684
2017 282,698 -74,362 189,715 26,513
2016 284,130 -51,324 189,281 28,473
2015 284,390 -58,101 188,600 30,580
2014 283,193 -56,536 187,592 32,840
2013 281,013 -54,554 185,790 35,280
2012 276,649 -52,874 183,658 37,893
2011 272,161 -50,941 181,842 40,690
2010 272,266 -49,781 178,998 50,106
2009 274,700 -49,354 175,421 49,647
2008 272,132 -50,809 172,823 48,985
2007 270,745 -68,653 169,306 48,203
2006 263,697 -60,315 166,540 47,191
2005 256,756 -60,473 163,888 46,014
2004 251,650 -58,972 161,023 44,811
2003 251,884 -57,026 158,611 43,639
2002 251,860 -55,245 155,091 42,657
2001 250,726 -53,815 151,431 41,962
2000 246,330 -50,957 147,496 41,855
1999 245,425 -47,608 143,592 42,519
1998 251,076 -33,781 136,677 43,091
1997 252,351 504,742 134,458 42,787
1996 274,147 508,187 129,802 41,994
1995 280,168 503,042 125,410 40,962
1994 286,728 488,732 122,113 39,669
1993 282,221 187,883 118,668 38,220
1992 260,673 275,823 114,818 36,622
1991 257,709 58,264 111,453 26,830
1990 249,776 58,455 110,033 2,398
1989 239,211 55,125 108,199 -19,824
1988 243,203 -14,627 106,256 -26,232
1987 235,064 44,442 104,367 -25,720
1986 221,684 43,356 102,346 -25,495
1985 214,101 4,677 100,333 -25,470
1984 207,700 -29,141 98,103 -25,487
1983 192,849 46,428 95,982 -25,465
1982 180,300 -20,026 93,522 -25,355
1981 166,578 -22,982 91,767 -25,383
1980 159,157 -133,508 90,266 -25,638
1979 78,143 118,334 89,330 -25,618
1978 -357,478 -84,695 88,747 -25,208
1977 -416,117 -55,504 87,954 -24,722
1976 -408,505 -52,741 86,965 -24,198
1975 -383,806 -47,717 85,809 -23,562
1974 73,001 -45,225 84,829 -22,771
1973 101,304 -42,053 83,821 -21,803
1972 113,190 -40,764 82,672 -20,303
1971 113,813 -80,232 80,599 -18,945
1970 122,832 -193,008 78,712 -18,773
1969 156,777 -17,676 76,454 -18,994
1968 153,444 -17,745 73,983 -19,188
1967 150,046 -16,983 71,519 -19,767
1966 147,583 -17,216 69,206 -17,454
1965 144,460 -16,930 66,693 -18,532
1964 141,216 -16,516 64,558 -17,730
1963 137,562 -15,929 62,260 -15,189
1962 132,861 -3,578 59,974 -12,141
1961 128,259 -4,764 58,151 -10,409
1960 124,237 -5,339 56,326 -2,034

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

GeoRank.org/population/cambodia/papua-new-guinea | 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 Papua New Guinea 92.5% is from natural causes (a gain of 1,883,909 people) and 7.48% is from migration (a gain of 152,353 people).

As of 2024, 83,925 residents or 0.5% of the population were not native-born in Cambodia, compared to 31,171 people or 0.3% in Papua New Guinea.

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
Papua New Guinea
City Population
Port Moresby 317K
Lae 101K

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/papua-new-guinea | 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. Central Intelligence Agency (CIA) (2000–2019, retrieved 2026-07-08)
  5. Wikidata (2026, retrieved 2026-07-08)

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