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

Updated on by Georank team

The latest officially reported population of Cambodia was 17,638,801 in 2024 vs 11,947 people in Nauru in 2024. In 2026, based on the adjusted UN estimation, the current Cambodia's population is 18,113,986 people compared to 12,125 in Nauru.

Population statistics:

  • Cambodia's population is 1,494 times bigger than Nauru's.
  • Cambodia is ranked the 73rd most populous country in the world, while Nauru is the 195th.
  • The countries together account for 0.22% of the world: 0.22% for Cambodia vs 0.0001% for Nauru.
  • For the last 10 years, Cambodia has had an average growth rate of +1.38% per year vs +1.17% in Nauru.
  • Since 2006, the population of Cambodia has increased from 13.6M people to 18.1M (32.8% growth), while Nauru has grown from 10K to 12.1K (20.8% growth).

Cambodia vs Nauru: population by year and forecast

Cambodia
Factual

Projection
Nauru
Factual

Projection
1x
Year Population
Cambodia Nauru
2100 22,906,442 20,717
2099 22,962,923 20,686
2098 23,019,882 20,645
2097 23,073,551 20,605
2096 23,123,425 20,570
2095 23,167,283 20,535
2094 23,212,055 20,488
2093 23,252,118 20,432
2092 23,290,144 20,386
2091 23,322,120 20,341
2090 23,354,198 20,285
2089 23,385,733 20,219
2088 23,409,247 20,152
2087 23,433,812 20,096
2086 23,455,606 20,028
2085 23,473,699 19,959
2084 23,490,880 19,880
2083 23,503,304 19,796
2082 23,511,399 19,709
2081 23,517,527 19,611
2080 23,523,490 19,525
2079 23,527,816 19,420
2078 23,528,640 19,312
2077 23,524,419 19,206
2076 23,517,089 19,098
2075 23,511,041 18,986
2074 23,498,649 18,874
2073 23,486,231 18,758
2072 23,468,351 18,638
2071 23,447,776 18,535
2070 23,425,399 18,396
2069 23,398,087 18,289
2068 23,367,005 18,168
2067 23,328,780 18,025
2066 23,288,003 17,903
2065 23,246,605 17,777
2064 23,196,515 17,649
2063 23,143,893 17,524
2062 23,088,053 17,402
2061 23,025,211 17,267
2060 22,956,351 17,137
2059 22,882,368 17,013
2058 22,803,687 16,882
2057 22,719,975 16,752
2056 22,633,081 16,612
2055 22,541,997 16,472
2054 22,444,525 16,335
2053 22,342,736 16,193
2052 22,235,734 16,049
2051 22,121,782 15,888
2050 22,005,604 15,738
2049 21,881,810 15,572
2048 21,754,090 15,412
2047 21,622,327 15,241
2046 21,484,727 15,064
2045 21,344,443 14,895
2044 21,199,702 14,718
2043 21,050,598 14,546
2042 20,897,569 14,363
2041 20,742,759 14,180
2040 20,586,310 13,996
2039 20,425,222 13,827
2038 20,260,230 13,672
2037 20,092,632 13,513
2036 19,926,280 13,363
2035 19,751,811 13,196
2034 19,577,662 13,040
2033 19,399,100 12,894
2032 19,219,058 12,758
2031 19,034,316 12,625
2030 18,847,504 12,504
2029 18,656,059 12,386
2028 18,459,936 12,292
2027 18,260,437 12,182
2026 18,059,685 12,105
2025 17,851,510 12,030
2024 17,638,801 11,947
2023 17,423,880 11,875
2022 17,201,724 11,801
2021 16,974,305 11,709
2020 16,725,474 11,643
2019 16,481,304 11,587
2018 16,274,522 11,477
2017 16,073,372 11,324
2016 15,852,803 11,150
2015 15,623,251 10,954
2014 15,396,772 10,742
2013 15,170,208 10,517
2012 14,945,085 10,267
2011 14,722,584 10,098
2010 14,500,726 10,043
2009 14,276,810 10,016
2008 14,053,479 10,009
2007 13,841,770 10,020
2006 13,639,028 10,034
2005 13,439,202 10,049
2004 13,244,731 10,060
2003 13,050,968 10,059
2002 12,855,241 10,082
2001 12,658,484 10,130
2000 12,462,336 10,168
1999 12,265,731 10,187
1998 12,058,173 10,198
1997 11,570,982 10,197
1996 10,801,270 10,183
1995 10,018,497 10,165
1994 9,239,162 10,137
1993 8,616,381 10,102
1992 8,113,083 10,021
1991 7,686,850 9,850
1990 7,374,752 9,622
1989 7,073,473 9,390
1988 6,812,014 9,165
1987 6,557,970 8,946
1986 6,285,693 8,742
1985 6,043,783 8,551
1984 5,845,117 8,377
1983 5,636,203 8,216
1982 5,436,432 8,040
1981 5,284,495 7,839
1980 5,199,872 7,649
1979 5,088,808 7,468
1978 5,211,653 7,298
1977 5,668,551 7,163
1976 6,134,991 7,064
1975 6,581,371 6,987
1974 6,783,240 6,923
1973 6,739,726 6,866
1972 6,673,886 6,812
1971 6,620,880 6,762
1970 6,639,182 6,710
1969 6,604,725 6,581
1968 6,467,324 6,328
1967 6,332,944 6,135
1966 6,201,232 6,043
1965 6,072,289 5,832
1964 5,946,178 5,515
1963 5,823,010 5,226
1962 5,697,558 4,979
1961 5,571,168 4,774
1960 5,449,966 4,607

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/nauru | CC BY

From 2006 to 2016, the population of Cambodia increased by 2,213,775 people (a 16.2% growth), while Nauru gained 1,116 people (a 11.1% growth).

For the next 10 years, from 2016 to 2026, Cambodia gained 2,261,183 people (a 14.3% growth), while Nauru's population increased by 975 people (a 8.74% growth).

Cambodia was ranked 67th most populous country in 2006 and is 73rd in 2026. Nauru was ranked 196th in 2006 and ranked 195th 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 Nauru will increase by 29.8% to 15,738 people and rank change from 195th to 194th.

Cambodia is projected to reach its peak in 2078 at 23.5M people compared to the peak of 20.7K people in 2100 for Nauru.

Population growth rate by year

Cambodia
Factual

Projection
Nauru
Factual

Projection
1x
Year Growth rate
Cambodia Nauru
2100 -0.25% 0.15%
2099 -0.25% 0.2%
2098 -0.23% 0.19%
2097 -0.22% 0.17%
2096 -0.19% 0.17%
2095 -0.19% 0.23%
2094 -0.17% 0.27%
2093 -0.16% 0.23%
2092 -0.14% 0.22%
2091 -0.14% 0.28%
2090 -0.13% 0.33%
2089 -0.1% 0.33%
2088 -0.1% 0.28%
2087 -0.09% 0.34%
2086 -0.08% 0.35%
2085 -0.07% 0.39%
2084 -0.05% 0.43%
2083 -0.03% 0.44%
2082 -0.03% 0.5%
2081 -0.03% 0.44%
2080 -0.02% 0.54%
2079 -0.004% 0.56%
2078 0.02% 0.55%
2077 0.03% 0.57%
2076 0.03% 0.59%
2075 0.05% 0.6%
2074 0.05% 0.62%
2073 0.08% 0.65%
2072 0.09% 0.56%
2071 0.1% 0.75%
2070 0.12% 0.59%
2069 0.13% 0.66%
2068 0.16% 0.8%
2067 0.18% 0.68%
2066 0.18% 0.71%
2065 0.22% 0.73%
2064 0.23% 0.71%
2063 0.24% 0.7%
2062 0.27% 0.78%
2061 0.3% 0.76%
2060 0.32% 0.73%
2059 0.35% 0.78%
2058 0.37% 0.77%
2057 0.38% 0.85%
2056 0.4% 0.85%
2055 0.43% 0.84%
2054 0.46% 0.87%
2053 0.48% 0.9%
2052 0.52% 1.01%
2051 0.53% 0.96%
2050 0.57% 1.06%
2049 0.59% 1.04%
2048 0.61% 1.12%
2047 0.64% 1.17%
2046 0.66% 1.14%
2045 0.68% 1.2%
2044 0.71% 1.19%
2043 0.73% 1.27%
2042 0.75% 1.29%
2041 0.76% 1.32%
2040 0.79% 1.22%
2039 0.81% 1.14%
2038 0.83% 1.17%
2037 0.83% 1.12%
2036 0.88% 1.27%
2035 0.89% 1.19%
2034 0.92% 1.14%
2033 0.94% 1.06%
2032 0.97% 1.06%
2031 0.99% 0.96%
2030 1.03% 0.96%
2029 1.06% 0.77%
2028 1.09% 0.9%
2027 1.11% 0.64%
2026 1.17% 0.63%
2025 1.21% 0.7%
2024 1.23% 0.61%
2023 1.29% 0.63%
2022 1.34% 0.79%
2021 1.49% 0.57%
2020 1.48% 0.48%
2019 1.27% 0.96%
2018 1.25% 1.35%
2017 1.39% 1.56%
2016 1.47% 1.79%
2015 1.47% 1.97%
2014 1.49% 2.14%
2013 1.51% 2.43%
2012 1.51% 1.67%
2011 1.53% 0.55%
2010 1.57% 0.27%
2009 1.59% 0.07%
2008 1.53% -0.11%
2007 1.49% -0.14%
2006 1.49% -0.15%
2005 1.47% -0.11%
2004 1.48% 0.01%
2003 1.52% -0.23%
2002 1.55% -0.47%
2001 1.57% -0.37%
2000 1.6% -0.19%
1999 1.72% -0.11%
1998 4.21% 0.01%
1997 7.13% 0.14%
1996 7.81% 0.18%
1995 8.44% 0.28%
1994 7.23% 0.35%
1993 6.2% 0.81%
1992 5.54% 1.74%
1991 4.23% 2.37%
1990 4.26% 2.47%
1989 3.84% 2.45%
1988 3.87% 2.45%
1987 4.33% 2.33%
1986 4% 2.23%
1985 3.4% 2.08%
1984 3.71% 1.96%
1983 3.67% 2.19%
1982 2.88% 2.56%
1981 1.63% 2.48%
1980 2.18% 2.42%
1979 -2.36% 2.33%
1978 -8.06% 1.88%
1977 -7.6% 1.4%
1976 -6.78% 1.1%
1975 -2.98% 0.92%
1974 0.65% 0.83%
1973 0.99% 0.79%
1972 0.8% 0.74%
1971 -0.28% 0.77%
1970 0.52% 1.96%
1969 2.12% 4%
1968 2.12% 3.15%
1967 2.12% 1.52%
1966 2.12% 3.62%
1965 2.12% 5.75%
1964 2.12% 5.53%
1963 2.2% 4.96%
1962 2.27% 4.29%
1961 2.22% 3.62%

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/nauru | CC BY

In 2024, the population of Cambodia grew by 1.23%, while Nauru's population grew by 0.61%.

Live population counters

Cambodia Nauru
Current population
18113986
12125
Population rank 73/197 195/197
Percent of world population 0.22% 0.0001%
One net population change
2.45 minutes
5.07 days
One birth every
1.45 minutes
1.21 days
One death every
4.72 minutes
4.1 days
Daily growth/decline +589 +0
Annual growth/decline +214,921 +72
Annual growth/decline rate +1.23% +0.61%
Population growth rate rank 88/197 126/197
One migration net change every
16.7 minutes
3 days
Annual migration change -31,469 -122
Net migration rank 167/196 82/196
Foreign-born residents 83,925 2,548
Foreign-born residents rank 136/195 191/195
Foreign-born share of population 0.5% 21.3%
Foreign-born share rank 175/195 29/195

Natural population change vs migration

Cambodia
Natural

Migration
Nauru
Natural

Migration
1x
Year Population change
Cambodia Nauru
Natural Migration Natural Migration
2025 - -31,469 - -122
2024 - -32,960 - -121
2023 250,242 -31,837 213 -148
2022 257,269 -31,350 226 -144
2021 255,939 -27,025 236 -137
2020 268,745 0 246 -214
2019 276,870 -57,268 255 -171
2018 280,671 -86,702 265 -131
2017 282,698 -74,362 279 -115
2016 284,130 -51,324 289 -105
2015 284,390 -58,101 291 -86
2014 283,193 -56,536 290 -69
2013 281,013 -54,554 291 -53
2012 276,649 -52,874 292 -38
2011 272,161 -50,941 291 -206
2010 272,266 -49,781 281 -246
2009 274,700 -49,354 261 -249
2008 272,132 -50,809 240 -243
2007 270,745 -68,653 222 -235
2006 263,697 -60,315 209 -224
2005 256,756 -60,473 204 -217
2004 251,650 -58,972 202 -210
2003 251,884 -57,026 201 -199
2002 251,860 -55,245 200 -247
2001 250,726 -53,815 203 -252
2000 246,330 -50,957 207 -236
1999 245,425 -47,608 212 -227
1998 251,076 -33,781 214 -217
1997 252,351 504,742 218 -209
1996 274,147 508,187 221 -204
1995 280,168 503,042 225 -201
1994 286,728 488,732 229 -196
1993 282,221 187,883 235 -194
1992 260,673 275,823 237 -121
1991 257,709 58,264 225 0
1990 249,776 58,455 214 20
1989 239,211 55,125 204 24
1988 243,203 -14,627 195 29
1987 235,064 44,442 186 27
1986 221,684 43,356 178 21
1985 214,101 4,677 171 8
1984 207,700 -29,141 166 -2
1983 192,849 46,428 163 -5
1982 180,300 -20,026 162 30
1981 166,578 -22,982 157 44
1980 159,157 -133,508 145 44
1979 78,143 118,334 130 48
1978 -357,478 -84,695 111 40
1977 -416,117 -55,504 89 32
1976 -408,505 -52,741 79 0
1975 -383,806 -47,717 70 0
1974 73,001 -45,225 63 0
1973 101,304 -42,053 57 0
1972 113,190 -40,764 53 0
1971 113,813 -80,232 50 0
1970 122,832 -193,008 49 0
1969 156,777 -17,676 71 132
1968 153,444 -17,745 116 180
1967 150,046 -16,983 117 -28
1966 147,583 -17,216 123 -32
1965 144,460 -16,930 113 218
1964 141,216 -16,516 100 203
1963 137,562 -15,929 88 181
1962 132,861 -3,578 75 158
1961 128,259 -4,764 70 120
1960 124,237 -5,339 72 76

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

GeoRank.org/population/cambodia/nauru | 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 Nauru 66.2% is from natural causes (a gain of 2,590 people) and 33.8% is from migration (a loss of 1,320 people).

As of 2024, 83,925 residents or 0.5% of the population were not native-born in Cambodia, compared to 2,548 people or 21.3% in Nauru.

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
Nauru
City Population
Yaren 747

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/nauru | 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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