The latest officially reported population of Cambodia was 17,638,801 in 2024 vs 8,642,022 people in Sierra Leone in 2024. In 2026, based on the adjusted UN estimation, the current Cambodia's population is 18,113,986 people compared to 9,049,533 in Sierra Leone.
Population statistics:
- Cambodia's population is 2 times bigger than Sierra Leone's.
- Cambodia is ranked the 73rd most populous country in the world, while Sierra Leone is the 101st.
- The countries together account for 0.33% of the world: 0.22% for Cambodia vs 0.11% for Sierra Leone.
- For the last 10 years, Cambodia has had an average growth rate of +1.38% per year vs +2.32% in Sierra Leone.
- Since 2006, the population of Cambodia has increased from 13.6M people to 18.1M (32.8% growth), while Sierra Leone has grown from 5.62M to 9.05M (60.9% growth).
Cambodia vs Sierra Leone: population by year and forecast
| Year | Population | |
|---|---|---|
Cambodia
|
Sierra Leone
|
|
| 2100 | 22,906,442 | 16,111,324 |
| 2099 | 22,962,923 | 16,126,181 |
| 2098 | 23,019,882 | 16,139,280 |
| 2097 | 23,073,551 | 16,154,153 |
| 2096 | 23,123,425 | 16,164,923 |
| 2095 | 23,167,283 | 16,173,557 |
| 2094 | 23,212,055 | 16,173,155 |
| 2093 | 23,252,118 | 16,177,864 |
| 2092 | 23,290,144 | 16,175,032 |
| 2091 | 23,322,120 | 16,168,153 |
| 2090 | 23,354,198 | 16,158,415 |
| 2089 | 23,385,733 | 16,146,773 |
| 2088 | 23,409,247 | 16,133,018 |
| 2087 | 23,433,812 | 16,116,823 |
| 2086 | 23,455,606 | 16,089,780 |
| 2085 | 23,473,699 | 16,068,438 |
| 2084 | 23,490,880 | 16,044,782 |
| 2083 | 23,503,304 | 16,011,134 |
| 2082 | 23,511,399 | 15,975,073 |
| 2081 | 23,517,527 | 15,935,071 |
| 2080 | 23,523,490 | 15,896,846 |
| 2079 | 23,527,816 | 15,854,898 |
| 2078 | 23,528,640 | 15,805,607 |
| 2077 | 23,524,419 | 15,754,551 |
| 2076 | 23,517,089 | 15,699,439 |
| 2075 | 23,511,041 | 15,639,458 |
| 2074 | 23,498,649 | 15,584,377 |
| 2073 | 23,486,231 | 15,516,736 |
| 2072 | 23,468,351 | 15,446,543 |
| 2071 | 23,447,776 | 15,374,790 |
| 2070 | 23,425,399 | 15,297,449 |
| 2069 | 23,398,087 | 15,216,666 |
| 2068 | 23,367,005 | 15,128,048 |
| 2067 | 23,328,780 | 15,032,144 |
| 2066 | 23,288,003 | 14,935,222 |
| 2065 | 23,246,605 | 14,837,697 |
| 2064 | 23,196,515 | 14,740,749 |
| 2063 | 23,143,893 | 14,642,031 |
| 2062 | 23,088,053 | 14,529,557 |
| 2061 | 23,025,211 | 14,423,861 |
| 2060 | 22,956,351 | 14,311,215 |
| 2059 | 22,882,368 | 14,198,706 |
| 2058 | 22,803,687 | 14,080,827 |
| 2057 | 22,719,975 | 13,960,869 |
| 2056 | 22,633,081 | 13,836,132 |
| 2055 | 22,541,997 | 13,706,113 |
| 2054 | 22,444,525 | 13,579,802 |
| 2053 | 22,342,736 | 13,444,465 |
| 2052 | 22,235,734 | 13,303,409 |
| 2051 | 22,121,782 | 13,156,370 |
| 2050 | 22,005,604 | 13,010,109 |
| 2049 | 21,881,810 | 12,867,021 |
| 2048 | 21,754,090 | 12,716,015 |
| 2047 | 21,622,327 | 12,570,250 |
| 2046 | 21,484,727 | 12,414,307 |
| 2045 | 21,344,443 | 12,257,874 |
| 2044 | 21,199,702 | 12,092,075 |
| 2043 | 21,050,598 | 11,931,531 |
| 2042 | 20,897,569 | 11,770,467 |
| 2041 | 20,742,759 | 11,602,993 |
| 2040 | 20,586,310 | 11,431,337 |
| 2039 | 20,425,222 | 11,262,807 |
| 2038 | 20,260,230 | 11,100,099 |
| 2037 | 20,092,632 | 10,931,629 |
| 2036 | 19,926,280 | 10,760,758 |
| 2035 | 19,751,811 | 10,585,702 |
| 2034 | 19,577,662 | 10,413,826 |
| 2033 | 19,399,100 | 10,241,196 |
| 2032 | 19,219,058 | 10,062,575 |
| 2031 | 19,034,316 | 9,883,708 |
| 2030 | 18,847,504 | 9,708,038 |
| 2029 | 18,656,059 | 9,532,000 |
| 2028 | 18,459,936 | 9,360,873 |
| 2027 | 18,260,437 | 9,179,702 |
| 2026 | 18,059,685 | 9,001,269 |
| 2025 | 17,851,510 | 8,822,114 |
| 2024 | 17,638,801 | 8,642,022 |
| 2023 | 17,423,880 | 8,460,512 |
| 2022 | 17,201,724 | 8,276,807 |
| 2021 | 16,974,305 | 8,094,602 |
| 2020 | 16,725,474 | 7,912,558 |
| 2019 | 16,481,304 | 7,731,991 |
| 2018 | 16,274,522 | 7,554,563 |
| 2017 | 16,073,372 | 7,379,299 |
| 2016 | 15,852,803 | 7,205,328 |
| 2015 | 15,623,251 | 7,037,655 |
| 2014 | 15,396,772 | 6,876,385 |
| 2013 | 15,170,208 | 6,714,051 |
| 2012 | 14,945,085 | 6,551,080 |
| 2011 | 14,722,584 | 6,387,251 |
| 2010 | 14,500,726 | 6,222,714 |
| 2009 | 14,276,810 | 6,055,646 |
| 2008 | 14,053,479 | 5,894,722 |
| 2007 | 13,841,770 | 5,749,352 |
| 2006 | 13,639,028 | 5,624,466 |
| 2005 | 13,439,202 | 5,501,712 |
| 2004 | 13,244,731 | 5,355,717 |
| 2003 | 13,050,968 | 5,177,687 |
| 2002 | 12,855,241 | 4,971,435 |
| 2001 | 12,658,484 | 4,692,716 |
| 2000 | 12,462,336 | 4,423,611 |
| 1999 | 12,265,731 | 4,318,043 |
| 1998 | 12,058,173 | 4,295,785 |
| 1997 | 11,570,982 | 4,253,716 |
| 1996 | 10,801,270 | 4,199,210 |
| 1995 | 10,018,497 | 4,179,179 |
| 1994 | 9,239,162 | 4,173,105 |
| 1993 | 8,616,381 | 4,157,130 |
| 1992 | 8,113,083 | 4,166,366 |
| 1991 | 7,686,850 | 4,246,267 |
| 1990 | 7,374,752 | 4,196,828 |
| 1989 | 7,073,473 | 4,034,037 |
| 1988 | 6,812,014 | 3,934,517 |
| 1987 | 6,557,970 | 3,829,718 |
| 1986 | 6,285,693 | 3,728,380 |
| 1985 | 6,043,783 | 3,638,438 |
| 1984 | 5,845,117 | 3,558,758 |
| 1983 | 5,636,203 | 3,481,646 |
| 1982 | 5,436,432 | 3,408,183 |
| 1981 | 5,284,495 | 3,338,940 |
| 1980 | 5,199,872 | 3,272,089 |
| 1979 | 5,088,808 | 3,207,499 |
| 1978 | 5,211,653 | 3,145,517 |
| 1977 | 5,668,551 | 3,085,354 |
| 1976 | 6,134,991 | 3,028,820 |
| 1975 | 6,581,371 | 2,974,657 |
| 1974 | 6,783,240 | 2,920,459 |
| 1973 | 6,739,726 | 2,866,955 |
| 1972 | 6,673,886 | 2,814,388 |
| 1971 | 6,620,880 | 2,763,222 |
| 1970 | 6,639,182 | 2,712,286 |
| 1969 | 6,604,725 | 2,661,365 |
| 1968 | 6,467,324 | 2,611,532 |
| 1967 | 6,332,944 | 2,562,384 |
| 1966 | 6,201,232 | 2,514,638 |
| 1965 | 6,072,289 | 2,468,666 |
| 1964 | 5,946,178 | 2,424,390 |
| 1963 | 5,823,010 | 2,382,258 |
| 1962 | 5,697,558 | 2,342,242 |
| 1961 | 5,571,168 | 2,304,227 |
| 1960 | 5,449,966 | 2,268,356 |
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/sierra-leone | CC BY 
From 2006 to 2016, the population of Cambodia increased by 2,213,775 people (a 16.2% growth), while Sierra Leone gained 1,580,862 people (a 28.1% growth).
For the next 10 years, from 2016 to 2026, Cambodia gained 2,261,183 people (a 14.3% growth), while Sierra Leone's population increased by 1,844,205 people (a 25.6% growth).
Cambodia was ranked 67th most populous country in 2006 and is 73rd in 2026. Sierra Leone was ranked 106th in 2006 and ranked 101st 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 Sierra Leone will increase by 43.8% to 13,010,109 people and rank change from 101st to 91st.
Cambodia is projected to reach its peak in 2078 at 23.5M people compared to the peak of 16.2M people in 2093 for Sierra Leone.
Population growth rate by year
| Year | Growth rate | |
|---|---|---|
|
Cambodia
|
Sierra Leone
|
|
| 2100 | -0.25% | -0.09% |
| 2099 | -0.25% | -0.08% |
| 2098 | -0.23% | -0.09% |
| 2097 | -0.22% | -0.07% |
| 2096 | -0.19% | -0.05% |
| 2095 | -0.19% | 0.002% |
| 2094 | -0.17% | -0.03% |
| 2093 | -0.16% | 0.02% |
| 2092 | -0.14% | 0.04% |
| 2091 | -0.14% | 0.06% |
| 2090 | -0.13% | 0.07% |
| 2089 | -0.1% | 0.09% |
| 2088 | -0.1% | 0.1% |
| 2087 | -0.09% | 0.17% |
| 2086 | -0.08% | 0.13% |
| 2085 | -0.07% | 0.15% |
| 2084 | -0.05% | 0.21% |
| 2083 | -0.03% | 0.23% |
| 2082 | -0.03% | 0.25% |
| 2081 | -0.03% | 0.24% |
| 2080 | -0.02% | 0.26% |
| 2079 | -0.004% | 0.31% |
| 2078 | 0.02% | 0.32% |
| 2077 | 0.03% | 0.35% |
| 2076 | 0.03% | 0.38% |
| 2075 | 0.05% | 0.35% |
| 2074 | 0.05% | 0.44% |
| 2073 | 0.08% | 0.45% |
| 2072 | 0.09% | 0.47% |
| 2071 | 0.1% | 0.51% |
| 2070 | 0.12% | 0.53% |
| 2069 | 0.13% | 0.59% |
| 2068 | 0.16% | 0.64% |
| 2067 | 0.18% | 0.65% |
| 2066 | 0.18% | 0.66% |
| 2065 | 0.22% | 0.66% |
| 2064 | 0.23% | 0.67% |
| 2063 | 0.24% | 0.77% |
| 2062 | 0.27% | 0.73% |
| 2061 | 0.3% | 0.79% |
| 2060 | 0.32% | 0.79% |
| 2059 | 0.35% | 0.84% |
| 2058 | 0.37% | 0.86% |
| 2057 | 0.38% | 0.9% |
| 2056 | 0.4% | 0.95% |
| 2055 | 0.43% | 0.93% |
| 2054 | 0.46% | 1.01% |
| 2053 | 0.48% | 1.06% |
| 2052 | 0.52% | 1.12% |
| 2051 | 0.53% | 1.12% |
| 2050 | 0.57% | 1.11% |
| 2049 | 0.59% | 1.19% |
| 2048 | 0.61% | 1.16% |
| 2047 | 0.64% | 1.26% |
| 2046 | 0.66% | 1.28% |
| 2045 | 0.68% | 1.37% |
| 2044 | 0.71% | 1.35% |
| 2043 | 0.73% | 1.37% |
| 2042 | 0.75% | 1.44% |
| 2041 | 0.76% | 1.5% |
| 2040 | 0.79% | 1.5% |
| 2039 | 0.81% | 1.47% |
| 2038 | 0.83% | 1.54% |
| 2037 | 0.83% | 1.59% |
| 2036 | 0.88% | 1.65% |
| 2035 | 0.89% | 1.65% |
| 2034 | 0.92% | 1.69% |
| 2033 | 0.94% | 1.78% |
| 2032 | 0.97% | 1.81% |
| 2031 | 0.99% | 1.81% |
| 2030 | 1.03% | 1.85% |
| 2029 | 1.06% | 1.83% |
| 2028 | 1.09% | 1.97% |
| 2027 | 1.11% | 1.98% |
| 2026 | 1.17% | 2.03% |
| 2025 | 1.21% | 2.08% |
| 2024 | 1.23% | 2.15% |
| 2023 | 1.29% | 2.22% |
| 2022 | 1.34% | 2.25% |
| 2021 | 1.49% | 2.3% |
| 2020 | 1.48% | 2.34% |
| 2019 | 1.27% | 2.35% |
| 2018 | 1.25% | 2.38% |
| 2017 | 1.39% | 2.41% |
| 2016 | 1.47% | 2.38% |
| 2015 | 1.47% | 2.35% |
| 2014 | 1.49% | 2.42% |
| 2013 | 1.51% | 2.49% |
| 2012 | 1.51% | 2.56% |
| 2011 | 1.53% | 2.64% |
| 2010 | 1.57% | 2.76% |
| 2009 | 1.59% | 2.73% |
| 2008 | 1.53% | 2.53% |
| 2007 | 1.49% | 2.22% |
| 2006 | 1.49% | 2.23% |
| 2005 | 1.47% | 2.73% |
| 2004 | 1.48% | 3.44% |
| 2003 | 1.52% | 4.15% |
| 2002 | 1.55% | 5.94% |
| 2001 | 1.57% | 6.08% |
| 2000 | 1.6% | 2.44% |
| 1999 | 1.72% | 0.52% |
| 1998 | 4.21% | 0.99% |
| 1997 | 7.13% | 1.3% |
| 1996 | 7.81% | 0.48% |
| 1995 | 8.44% | 0.15% |
| 1994 | 7.23% | 0.38% |
| 1993 | 6.2% | -0.22% |
| 1992 | 5.54% | -1.88% |
| 1991 | 4.23% | 1.18% |
| 1990 | 4.26% | 4.04% |
| 1989 | 3.84% | 2.53% |
| 1988 | 3.87% | 2.74% |
| 1987 | 4.33% | 2.72% |
| 1986 | 4% | 2.47% |
| 1985 | 3.4% | 2.24% |
| 1984 | 3.71% | 2.21% |
| 1983 | 3.67% | 2.16% |
| 1982 | 2.88% | 2.07% |
| 1981 | 1.63% | 2.04% |
| 1980 | 2.18% | 2.01% |
| 1979 | -2.36% | 1.97% |
| 1978 | -8.06% | 1.95% |
| 1977 | -7.6% | 1.87% |
| 1976 | -6.78% | 1.82% |
| 1975 | -2.98% | 1.86% |
| 1974 | 0.65% | 1.87% |
| 1973 | 0.99% | 1.87% |
| 1972 | 0.8% | 1.85% |
| 1971 | -0.28% | 1.88% |
| 1970 | 0.52% | 1.91% |
| 1969 | 2.12% | 1.91% |
| 1968 | 2.12% | 1.92% |
| 1967 | 2.12% | 1.9% |
| 1966 | 2.12% | 1.86% |
| 1965 | 2.12% | 1.83% |
| 1964 | 2.12% | 1.77% |
| 1963 | 2.2% | 1.71% |
| 1962 | 2.27% | 1.65% |
| 1961 | 2.22% | 1.58% |
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/sierra-leone | CC BY
In 2024, the population of Cambodia grew by 1.23%, while Sierra Leone's population grew by 2.15%.
Live population counters
|
Cambodia
|
Sierra Leone
|
|
|---|---|---|
| Current population |
18113986
|
9049533
|
| Population rank | 73/197 | 101/197 |
| Percent of world population | 0.22% | 0.11% |
| One net population change |
2.45 minutes
|
2.9 minutes
|
| One birth every |
1.45 minutes
|
2.03 minutes
|
| One death every |
4.72 minutes
|
7.5 minutes
|
| Daily growth/decline | +589 | +497 |
| Annual growth/decline | +214,921 | +181,510 |
| Annual growth/decline rate | +1.23% | +2.15% |
| Population growth rate rank | 88/197 | 47/197 |
| One migration net change every |
16.7 minutes
|
46.6 minutes
|
| Annual migration change | -31,469 | -11,309 |
| Net migration rank | 167/196 | 136/196 |
| Foreign-born residents | 83,925 | 49,997 |
| Foreign-born residents rank | 136/195 | 151/195 |
| Foreign-born share of population | 0.5% | 0.6% |
| Foreign-born share rank | 175/195 | 174/195 |
Natural population change vs migration
| Year | Population change | |||
|---|---|---|---|---|
|
Cambodia
|
Sierra Leone
|
|||
| Natural | Migration | Natural | Migration | |
| 2025 | - | -31,469 | - | -11,309 |
| 2024 | - | -32,960 | - | -11,000 |
| 2023 | 250,242 | -31,837 | 188,788 | -4,000 |
| 2022 | 257,269 | -31,350 | 186,625 | -4,000 |
| 2021 | 255,939 | -27,025 | 183,326 | -1,544 |
| 2020 | 268,745 | 0 | 181,015 | 1,292 |
| 2019 | 276,870 | -57,268 | 181,068 | -2,238 |
| 2018 | 280,671 | -86,702 | 178,772 | -2,741 |
| 2017 | 282,698 | -74,362 | 173,259 | 1,234 |
| 2016 | 284,130 | -51,324 | 168,784 | 4,657 |
| 2015 | 284,390 | -58,101 | 162,275 | -356 |
| 2014 | 283,193 | -56,536 | 160,137 | 485 |
| 2013 | 281,013 | -54,554 | 161,265 | 2,773 |
| 2012 | 276,649 | -52,874 | 160,915 | 988 |
| 2011 | 272,161 | -50,941 | 158,858 | 6,895 |
| 2010 | 272,266 | -49,781 | 155,338 | 7,983 |
| 2009 | 274,700 | -49,354 | 152,669 | 18,145 |
| 2008 | 272,132 | -50,809 | 149,855 | 1,182 |
| 2007 | 270,745 | -68,653 | 145,740 | -6,042 |
| 2006 | 263,697 | -60,315 | 144,127 | -34,052 |
| 2005 | 256,756 | -60,473 | 137,234 | -1,805 |
| 2004 | 251,650 | -58,972 | 132,661 | 23,897 |
| 2003 | 251,884 | -57,026 | 130,312 | 69,185 |
| 2002 | 251,860 | -55,245 | 126,429 | 86,578 |
| 2001 | 250,726 | -53,815 | 116,647 | 227,791 |
| 2000 | 246,330 | -50,957 | 110,754 | 83,013 |
| 1999 | 245,425 | -47,608 | 102,295 | -84,926 |
| 1998 | 251,076 | -33,781 | 103,906 | -76,766 |
| 1997 | 252,351 | 504,742 | 105,433 | -48,437 |
| 1996 | 274,147 | 508,187 | 104,140 | -52,110 |
| 1995 | 280,168 | 503,042 | 100,885 | -112,857 |
| 1994 | 286,728 | 488,732 | 101,486 | -77,371 |
| 1993 | 282,221 | 187,883 | 103,317 | -95,476 |
| 1992 | 260,673 | 275,823 | 103,251 | -129,565 |
| 1991 | 257,709 | 58,264 | 105,477 | -238,965 |
| 1990 | 249,776 | 58,455 | 100,778 | 131,587 |
| 1989 | 239,211 | 55,125 | 98,298 | -5,079 |
| 1988 | 243,203 | -14,627 | 96,344 | 9,470 |
| 1987 | 235,064 | 44,442 | 94,235 | 9,558 |
| 1986 | 221,684 | 43,356 | 90,902 | 7,992 |
| 1985 | 214,101 | 4,677 | 88,869 | -7,873 |
| 1984 | 207,700 | -29,141 | 87,072 | -8,708 |
| 1983 | 192,849 | 46,428 | 84,628 | -8,783 |
| 1982 | 180,300 | -20,026 | 82,457 | -11,379 |
| 1981 | 166,578 | -22,982 | 80,111 | -12,699 |
| 1980 | 159,157 | -133,508 | 77,932 | -11,641 |
| 1979 | 78,143 | 118,334 | 75,992 | -13,095 |
| 1978 | -357,478 | -84,695 | 74,130 | -13,073 |
| 1977 | -416,117 | -55,504 | 71,663 | -12,399 |
| 1976 | -408,505 | -52,741 | 69,506 | -15,686 |
| 1975 | -383,806 | -47,717 | 67,560 | -13,058 |
| 1974 | 73,001 | -45,225 | 65,357 | -11,473 |
| 1973 | 101,304 | -42,053 | 62,443 | -9,322 |
| 1972 | 113,190 | -40,764 | 60,279 | -8,267 |
| 1971 | 113,813 | -80,232 | 58,484 | -8,162 |
| 1970 | 122,832 | -193,008 | 56,513 | -4,957 |
| 1969 | 156,777 | -17,676 | 54,768 | -4,485 |
| 1968 | 153,444 | -17,745 | 53,126 | -3,743 |
| 1967 | 150,046 | -16,983 | 51,734 | -2,819 |
| 1966 | 147,583 | -17,216 | 49,486 | -2,911 |
| 1965 | 144,460 | -16,930 | 47,223 | -1,851 |
| 1964 | 141,216 | -16,516 | 45,487 | -2,308 |
| 1963 | 137,562 | -15,929 | 43,569 | -2,480 |
| 1962 | 132,861 | -3,578 | 41,603 | -2,658 |
| 1961 | 128,259 | -4,764 | 40,022 | -2,947 |
| 1960 | 124,237 | -5,339 | 38,192 | -3,528 |
Data sources: World Bank | Health (1960–2025, retrieved 2026-04-06).
GeoRank.org/population/cambodia/sierra-leone | 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 Sierra Leone 99.6% is from natural causes (a gain of 1,764,049 people) and 0.41% is from migration (a loss of 7,211 people).
As of 2024, 83,925 residents or 0.5% of the population were not native-born in Cambodia, compared to 49,997 people or 0.6% in Sierra Leone.
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 |
|
Sierra Leone
|
|
|---|---|
| City | Population |
| Freetown | 951K |
| Bo | 234K |
| Kenema | 188K |
Compare countries by 7 more topics
Population differences between Cambodia and Sierra Leone
|
Cambodia
|
Sierra Leone
|
|
|---|---|---|
| Life expectancy | 71.1 years | 62.3 years |
| Average age | 29.6 years | 24.4 years |
| Median age | 27 years | 20.5 years |
| Male:Female ratio | 49:51 | 49.9:50.1 |
| Fertility rate | 2.58 births per woman | 3.79 births per woman |
| Population density | 265 ppl/mi² | 323 ppl/mi² |
Population map with other countries
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/sierra-leone | CC BY
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Data sources:
- World Bank | Health (1960–2025, retrieved 2026-04-06)
- United Nations | World Population Prospects (1960–2100, retrieved 2026-03-10)
- U.S. Census Bureau (1960–2025, retrieved 2026-02-08)
- Central Intelligence Agency (CIA) (2000–2019, retrieved 2026-02-20)
- Wikidata (2026, retrieved 2026-02-08)
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