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

Updated on by Georank

The latest officially reported population of Cambodia was 17,847,982 in 2025 vs 12,025 people in Nauru in 2025. In 2026, based on the adjusted UN estimation, the current Cambodia's population is 18,159,213 people compared to 12,139 in Nauru.

Population statistics:

  • Cambodia's population is 1,496 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 +1.35% per year vs +1.03% in Nauru.
  • Since 2006, the population of Cambodia has increased from 13.6M people to 18.2M (33.1% growth), while Nauru has grown from 10K to 12.1K (21% growth).

Cambodia vs Nauru: population by year and forecast

Cambodia
Factual

Projection
Nauru
Factual

Projection
1x
Year Population
Cambodia Nauru
2100 22,901,914 20,708
2099 22,958,383 20,677
2098 23,015,331 20,636
2097 23,068,989 20,596
2096 23,118,854 20,561
2095 23,162,704 20,526
2094 23,207,466 20,479
2093 23,247,521 20,423
2092 23,285,540 20,377
2091 23,317,510 20,332
2090 23,349,581 20,276
2089 23,381,110 20,210
2088 23,404,619 20,143
2087 23,429,179 20,087
2086 23,450,970 20,019
2085 23,469,059 19,950
2084 23,486,236 19,872
2083 23,498,658 19,787
2082 23,506,751 19,700
2081 23,512,878 19,603
2080 23,518,840 19,517
2079 23,523,165 19,411
2078 23,523,989 19,304
2077 23,519,769 19,198
2076 23,512,440 19,089
2075 23,506,393 18,978
2074 23,494,004 18,866
2073 23,481,588 18,750
2072 23,463,712 18,630
2071 23,443,140 18,527
2070 23,420,769 18,388
2069 23,393,461 18,281
2068 23,362,386 18,160
2067 23,324,169 18,017
2066 23,283,399 17,896
2065 23,242,009 17,769
2064 23,191,929 17,641
2063 23,139,318 17,516
2062 23,083,489 17,394
2061 23,020,659 17,260
2060 22,951,813 17,129
2059 22,877,844 17,006
2058 22,799,179 16,874
2057 22,715,484 16,745
2056 22,628,607 16,605
2055 22,537,541 16,465
2054 22,440,088 16,328
2053 22,338,320 16,186
2052 22,231,339 16,042
2051 22,117,409 15,881
2050 22,001,254 15,731
2049 21,877,484 15,565
2048 21,749,790 15,405
2047 21,618,052 15,234
2046 21,480,480 15,058
2045 21,340,224 14,888
2044 21,195,511 14,712
2043 21,046,437 14,539
2042 20,893,438 14,357
2041 20,738,659 14,174
2040 20,582,241 13,990
2039 20,421,184 13,821
2038 20,256,225 13,666
2037 20,088,660 13,507
2036 19,922,341 13,358
2035 19,747,906 13,190
2034 19,573,792 13,035
2033 19,395,265 12,888
2032 19,215,259 12,753
2031 19,030,553 12,619
2030 18,843,778 12,499
2029 18,652,372 12,381
2028 18,456,287 12,286
2027 18,256,828 12,177
2026 18,056,115 12,100
2025 17,847,982 12,025
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 (2026–2100, retrieved 2026-07-08); World Bank | Health (1960–2025, retrieved 2026-07-08).

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 2,306,410 people (a 14.5% growth), while Nauru's population increased by 989 people (a 8.87% 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 21.2% to 22,001,254 people and will still be ranked 73rd. The population of Nauru will increase by 29.6% to 15,731 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 1.19% 0.65%
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 (2026–2100, retrieved 2026-07-08); World Bank | Health (1961–2025, retrieved 2026-07-08).

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

In 2025, the population of Cambodia grew by 1.19%, while Nauru's population grew by 0.65%.

Live population counters

Cambodia Nauru
Current population
18159213
12139
Population rank 73/197 195/197
Percent of world population 0.22% 0.0001%
One net population change
2.52 minutes
4.69 days
One birth every
1.47 minutes
1.25 days
One death every
4.62 minutes
4.06 days
Daily growth/decline +573 +0
Annual growth/decline +209,181 +78
Annual growth/decline rate +1.19% +0.65%
Population growth rate rank 88/197 119/197
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 244,386 -32,960 203 -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 2026-07-08).

GeoRank.org/population/cambodia/nauru | 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 Nauru 64.6% is from natural causes (a gain of 2,503 people) and 35.4% is from migration (a loss of 1,372 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 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
Nauru
City Population
Yaren 747

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/nauru | 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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