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Population in Cambodia compared to Sri Lanka: Trends, Charts, Rankings

Updated on by Georank team

The latest officially reported population of Cambodia was 17,638,801 in 2024 vs 21,916,000 people in Sri Lanka in 2024. In 2025, based on the adjusted UN estimation, the current Cambodia's population is 18,011,232 people compared to 22,125,995 in Sri Lanka.

Population statistics:

  • Sri Lanka's population is 1.23 times bigger than Cambodia's.
  • Cambodia is ranked the 73rd most populous country in the world, while Sri Lanka is the 63rd.
  • The countries together account for 0.49% of the world: 0.22% for Cambodia vs 0.27% for Sri Lanka.
  • For the last 10 years, Cambodia has had an average growth rate of +1.38% per year vs +0.57% in Sri Lanka.
  • Since 2005, the population of Cambodia has increased from 13.4M people to 18M (34% growth), while Sri Lanka has grown from 20.2M to 22.1M (9.45% growth).
  • Cambodia is projected to reach its peak in 2078 at 23.4M people compared to the peak of 23.5M people in 2051 for Sri Lanka.

Cambodia vs Sri Lanka: live population counter

Cambodia Sri Lanka
Current population
18011232
22125995
Population rank 73/197 63/197
Percent of world population 0.22% 0.27%
One net population change
2.45 minutes
4.34 minutes
One birth every
1.45 minutes
2.13 minutes
One death every
4.72 minutes
2.91 minutes
One migration net change every
15.9 minutes
19.3 minutes
Annual migration change -32,960 -27,245
Daily growth/decline +589 -332
Annual growth/decline +214,921 -121,000
Annual growth/decline rate +1.23% -0.55%
Population growth rate rank 90/197 187/197

Cambodia and Sri Lanka: population history and growth rate by year chart

Cambodia
Population

Growth rate
Sri Lanka
Population

Growth rate
Year Population Growth rate
Cambodia Sri Lanka Cambodia Sri Lanka
1960 5,449,966 9,661,389 - -
1961 5,571,168 9,899,372 2.22% 2.46%
1962 5,697,558 10,143,754 2.27% 2.47%
1963 5,823,010 10,395,040 2.2% 2.48%
1964 5,946,178 10,653,397 2.12% 2.49%
1965 6,072,289 10,916,965 2.12% 2.47%
1966 6,201,232 11,183,928 2.12% 2.45%
1967 6,332,944 11,457,328 2.12% 2.44%
1968 6,467,324 11,736,088 2.12% 2.43%
1969 6,604,725 12,013,858 2.12% 2.37%
1970 6,639,182 12,287,110 0.52% 2.27%
1971 6,620,880 12,551,910 -0.28% 2.16%
1972 6,673,886 12,809,205 0.8% 2.05%
1973 6,739,726 13,060,916 0.99% 1.97%
1974 6,783,240 13,305,693 0.65% 1.87%
1975 6,581,371 13,548,984 -2.98% 1.83%
1976 6,134,991 13,796,770 -6.78% 1.83%
1977 5,668,551 14,049,371 -7.6% 1.83%
1978 5,211,653 14,310,128 -8.06% 1.86%
1979 5,088,808 14,579,614 -2.36% 1.88%
1980 5,199,872 14,847,974 2.18% 1.84%
1981 5,284,495 15,099,414 1.63% 1.69%
1982 5,436,432 15,286,567 2.88% 1.24%
1983 5,636,203 15,388,794 3.67% 0.67%
1984 5,845,117 15,441,860 3.71% 0.34%
1985 6,043,783 15,544,154 3.4% 0.66%
1986 6,285,693 15,731,256 4% 1.2%
1987 6,557,970 15,916,576 4.33% 1.18%
1988 6,812,014 16,078,621 3.87% 1.02%
1989 7,073,473 16,248,557 3.84% 1.06%
1990 7,374,752 16,352,458 4.26% 0.64%
1991 7,686,850 16,475,354 4.23% 0.75%
1992 8,113,083 16,739,284 5.54% 1.6%
1993 8,616,381 17,025,918 6.2% 1.71%
1994 9,239,162 17,275,773 7.23% 1.47%
1995 10,018,497 17,564,068 8.44% 1.67%
1996 10,801,270 17,905,018 7.81% 1.94%
1997 11,570,982 18,248,200 7.13% 1.92%
1998 12,058,173 18,596,003 4.21% 1.91%
1999 12,265,731 18,944,731 1.72% 1.88%
2000 12,462,336 19,293,054 1.6% 1.84%
2001 12,658,484 19,600,362 1.57% 1.59%
2002 12,855,241 19,805,752 1.55% 1.05%
2003 13,050,968 19,951,521 1.52% 0.74%
2004 13,244,731 20,087,605 1.48% 0.68%
2005 13,439,202 20,216,524 1.47% 0.64%
2006 13,639,028 20,352,411 1.49% 0.67%
2007 13,841,770 20,492,545 1.49% 0.69%
2008 14,053,479 20,629,378 1.53% 0.67%
2009 14,276,810 20,756,435 1.59% 0.62%
2010 14,500,726 20,879,089 1.57% 0.59%
2011 14,722,584 21,009,048 1.53% 0.62%
2012 14,945,085 21,169,458 1.51% 0.76%
2013 15,170,208 20,585,000 1.51% -2.76%
2014 15,396,772 20,778,000 1.49% 0.94%
2015 15,623,251 20,970,000 1.47% 0.92%
2016 15,852,803 21,209,000 1.47% 1.14%
2017 16,073,372 21,453,000 1.39% 1.15%
2018 16,274,522 21,670,000 1.25% 1.01%
2019 16,481,304 21,803,000 1.27% 0.61%
2020 16,725,474 21,919,000 1.48% 0.53%
2021 16,974,305 22,156,000 1.49% 1.08%
2022 17,201,724 22,181,000 1.34% 0.11%
2023 17,423,880 22,037,000 1.29% -0.65%
2024 17,638,801 21,916,000 1.23% -0.55%
2025 17,847,976 22,035,440 1.19% 0.54%
2026 18,051,214 22,148,172 1.14% 0.51%
2027 18,250,137 22,255,601 1.1% 0.49%
2028 18,446,768 22,357,682 1.08% 0.46%
2029 18,639,395 22,453,922 1.04% 0.43%
2030 18,827,380 22,546,245 1.01% 0.41%
2031 19,012,049 22,635,106 0.98% 0.39%
2032 19,193,347 22,720,118 0.95% 0.38%
2033 19,371,575 22,802,043 0.93% 0.36%
2034 19,546,868 22,879,527 0.9% 0.34%
2035 19,720,135 22,952,739 0.89% 0.32%
2036 19,889,525 23,022,027 0.86% 0.3%
2037 20,055,496 23,088,877 0.83% 0.29%
2038 20,220,797 23,152,480 0.82% 0.28%
2039 20,382,857 23,211,633 0.8% 0.26%
2040 20,540,677 23,265,986 0.77% 0.23%
2041 20,695,378 23,315,260 0.75% 0.21%
2042 20,848,368 23,359,578 0.74% 0.19%
2043 20,998,535 23,398,752 0.72% 0.17%
2044 21,144,573 23,433,096 0.7% 0.15%
2045 21,286,229 23,464,943 0.67% 0.14%
2046 21,424,338 23,492,738 0.65% 0.12%
2047 21,558,214 23,512,629 0.62% 0.08%
2048 21,687,184 23,525,953 0.6% 0.06%
2049 21,812,182 23,533,940 0.58% 0.03%
2050 21,931,449 23,538,230 0.55% 0.02%

From 2005 to 2015, the population of Cambodia increased by 2,184,049 people (a 16.3% growth), while Sri Lanka gained 753,476 people (a 3.73% growth).

For the next 10 years, from 2015 to 2025, Cambodia gained 2,387,981 (a 15.3% growth), while Sri Lanka's population increased by 1,155,995 (a 5.51% growth).

Cambodia was ranked 67th most populous country in 2005 and is 73rd in 2025. Sri Lanka was ranked 53rd in 2005 and ranked 63rd now.

The UN's World Population Prospects forecasts that with changing growth rate trends in 25 years (in 2050) Cambodia's population will grow by 21.8% to 21,931,449 people and will still be ranked 73rd. The population of Sri Lanka will increase by 6.38% to 23,538,230 people and rank change from 63rd to 70th.

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