The latest officially reported population of Sierra Leone was 8,642,022 in 2024 vs 21,916,000 people in Sri Lanka in 2024. In 2026, based on the adjusted UN estimation, the current Sierra Leone's population is 9,049,533 people compared to 22,185,425 in Sri Lanka.
Population statistics:
- Sri Lanka's population is 2.45 times bigger than Sierra Leone's.
- Sierra Leone is ranked the 101st most populous country in the world, while Sri Lanka is the 63rd.
- The countries together account for 0.38% of the world: 0.11% for Sierra Leone vs 0.27% for Sri Lanka.
- For the last 10 years, Sierra Leone has had an average growth rate of +2.32% per year vs +0.57% in Sri Lanka.
- Since 2006, the population of Sierra Leone has increased from 5.62M people to 9.05M (60.9% growth), while Sri Lanka has grown from 20.4M to 22.2M (9.01% growth).
Sierra Leone vs Sri Lanka: population by year and forecast
| Year | Population | |
|---|---|---|
Sierra Leone
|
Sri Lanka
|
|
| 2100 | 16,111,324 | 20,270,496 |
| 2099 | 16,126,181 | 20,383,669 |
| 2098 | 16,139,280 | 20,498,567 |
| 2097 | 16,154,153 | 20,611,123 |
| 2096 | 16,164,923 | 20,723,560 |
| 2095 | 16,173,557 | 20,834,629 |
| 2094 | 16,173,155 | 20,943,809 |
| 2093 | 16,177,864 | 21,052,131 |
| 2092 | 16,175,032 | 21,158,833 |
| 2091 | 16,168,153 | 21,263,961 |
| 2090 | 16,158,415 | 21,371,263 |
| 2089 | 16,146,773 | 21,475,426 |
| 2088 | 16,133,018 | 21,577,177 |
| 2087 | 16,116,823 | 21,677,510 |
| 2086 | 16,089,780 | 21,777,420 |
| 2085 | 16,068,438 | 21,876,464 |
| 2084 | 16,044,782 | 21,970,336 |
| 2083 | 16,011,134 | 22,062,801 |
| 2082 | 15,975,073 | 22,151,745 |
| 2081 | 15,935,071 | 22,240,834 |
| 2080 | 15,896,846 | 22,326,555 |
| 2079 | 15,854,898 | 22,411,438 |
| 2078 | 15,805,607 | 22,489,772 |
| 2077 | 15,754,551 | 22,565,028 |
| 2076 | 15,699,439 | 22,637,463 |
| 2075 | 15,639,458 | 22,707,112 |
| 2074 | 15,584,377 | 22,778,489 |
| 2073 | 15,516,736 | 22,844,703 |
| 2072 | 15,446,543 | 22,905,707 |
| 2071 | 15,374,790 | 22,964,866 |
| 2070 | 15,297,449 | 23,022,515 |
| 2069 | 15,216,666 | 23,076,310 |
| 2068 | 15,128,048 | 23,129,541 |
| 2067 | 15,032,144 | 23,184,596 |
| 2066 | 14,935,222 | 23,234,419 |
| 2065 | 14,837,697 | 23,285,901 |
| 2064 | 14,740,749 | 23,331,390 |
| 2063 | 14,642,031 | 23,372,184 |
| 2062 | 14,529,557 | 23,409,522 |
| 2061 | 14,423,861 | 23,441,893 |
| 2060 | 14,311,215 | 23,474,032 |
| 2059 | 14,198,706 | 23,502,132 |
| 2058 | 14,080,827 | 23,528,076 |
| 2057 | 13,960,869 | 23,550,580 |
| 2056 | 13,836,132 | 23,570,923 |
| 2055 | 13,706,113 | 23,582,432 |
| 2054 | 13,579,802 | 23,591,414 |
| 2053 | 13,444,465 | 23,601,371 |
| 2052 | 13,303,409 | 23,605,361 |
| 2051 | 13,156,370 | 23,606,194 |
| 2050 | 13,010,109 | 23,603,330 |
| 2049 | 12,867,021 | 23,597,604 |
| 2048 | 12,716,015 | 23,587,307 |
| 2047 | 12,570,250 | 23,570,881 |
| 2046 | 12,414,307 | 23,547,409 |
| 2045 | 12,257,874 | 23,515,133 |
| 2044 | 12,092,075 | 23,483,546 |
| 2043 | 11,931,531 | 23,446,242 |
| 2042 | 11,770,467 | 23,404,983 |
| 2041 | 11,602,993 | 23,357,358 |
| 2040 | 11,431,337 | 23,306,148 |
| 2039 | 11,262,807 | 23,248,341 |
| 2038 | 11,100,099 | 23,187,512 |
| 2037 | 10,931,629 | 23,120,775 |
| 2036 | 10,760,758 | 23,053,427 |
| 2035 | 10,585,702 | 22,981,808 |
| 2034 | 10,413,826 | 22,906,587 |
| 2033 | 10,241,196 | 22,826,414 |
| 2032 | 10,062,575 | 22,742,267 |
| 2031 | 9,883,708 | 22,655,907 |
| 2030 | 9,708,038 | 22,564,038 |
| 2029 | 9,532,000 | 22,470,759 |
| 2028 | 9,360,873 | 22,370,999 |
| 2027 | 9,179,702 | 22,266,017 |
| 2026 | 9,001,269 | 22,155,543 |
| 2025 | 8,822,114 | 22,039,908 |
| 2024 | 8,642,022 | 21,916,000 |
| 2023 | 8,460,512 | 22,037,000 |
| 2022 | 8,276,807 | 22,181,000 |
| 2021 | 8,094,602 | 22,156,000 |
| 2020 | 7,912,558 | 21,919,000 |
| 2019 | 7,731,991 | 21,803,000 |
| 2018 | 7,554,563 | 21,670,000 |
| 2017 | 7,379,299 | 21,453,000 |
| 2016 | 7,205,328 | 21,209,000 |
| 2015 | 7,037,655 | 20,970,000 |
| 2014 | 6,876,385 | 20,778,000 |
| 2013 | 6,714,051 | 20,585,000 |
| 2012 | 6,551,080 | 21,169,458 |
| 2011 | 6,387,251 | 21,009,048 |
| 2010 | 6,222,714 | 20,879,089 |
| 2009 | 6,055,646 | 20,756,435 |
| 2008 | 5,894,722 | 20,629,378 |
| 2007 | 5,749,352 | 20,492,545 |
| 2006 | 5,624,466 | 20,352,411 |
| 2005 | 5,501,712 | 20,216,524 |
| 2004 | 5,355,717 | 20,087,605 |
| 2003 | 5,177,687 | 19,951,521 |
| 2002 | 4,971,435 | 19,805,752 |
| 2001 | 4,692,716 | 19,600,362 |
| 2000 | 4,423,611 | 19,293,054 |
| 1999 | 4,318,043 | 18,944,731 |
| 1998 | 4,295,785 | 18,596,003 |
| 1997 | 4,253,716 | 18,248,200 |
| 1996 | 4,199,210 | 17,905,018 |
| 1995 | 4,179,179 | 17,564,068 |
| 1994 | 4,173,105 | 17,275,773 |
| 1993 | 4,157,130 | 17,025,918 |
| 1992 | 4,166,366 | 16,739,284 |
| 1991 | 4,246,267 | 16,475,354 |
| 1990 | 4,196,828 | 16,352,458 |
| 1989 | 4,034,037 | 16,248,557 |
| 1988 | 3,934,517 | 16,078,621 |
| 1987 | 3,829,718 | 15,916,576 |
| 1986 | 3,728,380 | 15,731,256 |
| 1985 | 3,638,438 | 15,544,154 |
| 1984 | 3,558,758 | 15,441,860 |
| 1983 | 3,481,646 | 15,388,794 |
| 1982 | 3,408,183 | 15,286,567 |
| 1981 | 3,338,940 | 15,099,414 |
| 1980 | 3,272,089 | 14,847,974 |
| 1979 | 3,207,499 | 14,579,614 |
| 1978 | 3,145,517 | 14,310,128 |
| 1977 | 3,085,354 | 14,049,371 |
| 1976 | 3,028,820 | 13,796,770 |
| 1975 | 2,974,657 | 13,548,984 |
| 1974 | 2,920,459 | 13,305,693 |
| 1973 | 2,866,955 | 13,060,916 |
| 1972 | 2,814,388 | 12,809,205 |
| 1971 | 2,763,222 | 12,551,910 |
| 1970 | 2,712,286 | 12,287,110 |
| 1969 | 2,661,365 | 12,013,858 |
| 1968 | 2,611,532 | 11,736,088 |
| 1967 | 2,562,384 | 11,457,328 |
| 1966 | 2,514,638 | 11,183,928 |
| 1965 | 2,468,666 | 10,916,965 |
| 1964 | 2,424,390 | 10,653,397 |
| 1963 | 2,382,258 | 10,395,040 |
| 1962 | 2,342,242 | 10,143,754 |
| 1961 | 2,304,227 | 9,899,372 |
| 1960 | 2,268,356 | 9,661,389 |
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/sierra-leone/sri-lanka | CC BY 
From 2006 to 2016, the population of Sierra Leone increased by 1,580,862 people (a 28.1% growth), while Sri Lanka gained 856,589 people (a 4.21% growth).
For the next 10 years, from 2016 to 2026, Sierra Leone gained 1,844,205 people (a 25.6% growth), while Sri Lanka's population increased by 976,425 people (a 4.6% growth).
Sierra Leone was ranked 106th most populous country in 2006 and is 101st in 2026. Sri Lanka was ranked 55th in 2006 and ranked 63rd now.
The UN's World Population Prospects forecasts that in 24 years (in 2050) Sierra Leone's population will grow by 43.8% to 13,010,109 people with a rank change from 101st to 91st. The population of Sri Lanka will increase by 6.39% to 23,603,330 people and rank change from 63rd to 70th.
Sierra Leone is projected to reach its peak in 2093 at 16.2M people compared to the peak of 23.6M people in 2051 for Sri Lanka.
Population growth rate by year
| Year | Growth rate | |
|---|---|---|
|
Sierra Leone
|
Sri Lanka
|
|
| 2100 | -0.09% | -0.56% |
| 2099 | -0.08% | -0.56% |
| 2098 | -0.09% | -0.55% |
| 2097 | -0.07% | -0.54% |
| 2096 | -0.05% | -0.53% |
| 2095 | 0.002% | -0.52% |
| 2094 | -0.03% | -0.51% |
| 2093 | 0.02% | -0.5% |
| 2092 | 0.04% | -0.49% |
| 2091 | 0.06% | -0.5% |
| 2090 | 0.07% | -0.49% |
| 2089 | 0.09% | -0.47% |
| 2088 | 0.1% | -0.46% |
| 2087 | 0.17% | -0.46% |
| 2086 | 0.13% | -0.45% |
| 2085 | 0.15% | -0.43% |
| 2084 | 0.21% | -0.42% |
| 2083 | 0.23% | -0.4% |
| 2082 | 0.25% | -0.4% |
| 2081 | 0.24% | -0.38% |
| 2080 | 0.26% | -0.38% |
| 2079 | 0.31% | -0.35% |
| 2078 | 0.32% | -0.33% |
| 2077 | 0.35% | -0.32% |
| 2076 | 0.38% | -0.31% |
| 2075 | 0.35% | -0.31% |
| 2074 | 0.44% | -0.29% |
| 2073 | 0.45% | -0.27% |
| 2072 | 0.47% | -0.26% |
| 2071 | 0.51% | -0.25% |
| 2070 | 0.53% | -0.23% |
| 2069 | 0.59% | -0.23% |
| 2068 | 0.64% | -0.24% |
| 2067 | 0.65% | -0.21% |
| 2066 | 0.66% | -0.22% |
| 2065 | 0.66% | -0.19% |
| 2064 | 0.67% | -0.17% |
| 2063 | 0.77% | -0.16% |
| 2062 | 0.73% | -0.14% |
| 2061 | 0.79% | -0.14% |
| 2060 | 0.79% | -0.12% |
| 2059 | 0.84% | -0.11% |
| 2058 | 0.86% | -0.1% |
| 2057 | 0.9% | -0.09% |
| 2056 | 0.95% | -0.05% |
| 2055 | 0.93% | -0.04% |
| 2054 | 1.01% | -0.04% |
| 2053 | 1.06% | -0.02% |
| 2052 | 1.12% | -0.004% |
| 2051 | 1.12% | 0.01% |
| 2050 | 1.11% | 0.02% |
| 2049 | 1.19% | 0.04% |
| 2048 | 1.16% | 0.07% |
| 2047 | 1.26% | 0.1% |
| 2046 | 1.28% | 0.14% |
| 2045 | 1.37% | 0.13% |
| 2044 | 1.35% | 0.16% |
| 2043 | 1.37% | 0.18% |
| 2042 | 1.44% | 0.2% |
| 2041 | 1.5% | 0.22% |
| 2040 | 1.5% | 0.25% |
| 2039 | 1.47% | 0.26% |
| 2038 | 1.54% | 0.29% |
| 2037 | 1.59% | 0.29% |
| 2036 | 1.65% | 0.31% |
| 2035 | 1.65% | 0.33% |
| 2034 | 1.69% | 0.35% |
| 2033 | 1.78% | 0.37% |
| 2032 | 1.81% | 0.38% |
| 2031 | 1.81% | 0.41% |
| 2030 | 1.85% | 0.42% |
| 2029 | 1.83% | 0.45% |
| 2028 | 1.97% | 0.47% |
| 2027 | 1.98% | 0.5% |
| 2026 | 2.03% | 0.52% |
| 2025 | 2.08% | 0.57% |
| 2024 | 2.15% | -0.55% |
| 2023 | 2.22% | -0.65% |
| 2022 | 2.25% | 0.11% |
| 2021 | 2.3% | 1.08% |
| 2020 | 2.34% | 0.53% |
| 2019 | 2.35% | 0.61% |
| 2018 | 2.38% | 1.01% |
| 2017 | 2.41% | 1.15% |
| 2016 | 2.38% | 1.14% |
| 2015 | 2.35% | 0.92% |
| 2014 | 2.42% | 0.94% |
| 2013 | 2.49% | -2.76% |
| 2012 | 2.56% | 0.76% |
| 2011 | 2.64% | 0.62% |
| 2010 | 2.76% | 0.59% |
| 2009 | 2.73% | 0.62% |
| 2008 | 2.53% | 0.67% |
| 2007 | 2.22% | 0.69% |
| 2006 | 2.23% | 0.67% |
| 2005 | 2.73% | 0.64% |
| 2004 | 3.44% | 0.68% |
| 2003 | 4.15% | 0.74% |
| 2002 | 5.94% | 1.05% |
| 2001 | 6.08% | 1.59% |
| 2000 | 2.44% | 1.84% |
| 1999 | 0.52% | 1.88% |
| 1998 | 0.99% | 1.91% |
| 1997 | 1.3% | 1.92% |
| 1996 | 0.48% | 1.94% |
| 1995 | 0.15% | 1.67% |
| 1994 | 0.38% | 1.47% |
| 1993 | -0.22% | 1.71% |
| 1992 | -1.88% | 1.6% |
| 1991 | 1.18% | 0.75% |
| 1990 | 4.04% | 0.64% |
| 1989 | 2.53% | 1.06% |
| 1988 | 2.74% | 1.02% |
| 1987 | 2.72% | 1.18% |
| 1986 | 2.47% | 1.2% |
| 1985 | 2.24% | 0.66% |
| 1984 | 2.21% | 0.34% |
| 1983 | 2.16% | 0.67% |
| 1982 | 2.07% | 1.24% |
| 1981 | 2.04% | 1.69% |
| 1980 | 2.01% | 1.84% |
| 1979 | 1.97% | 1.88% |
| 1978 | 1.95% | 1.86% |
| 1977 | 1.87% | 1.83% |
| 1976 | 1.82% | 1.83% |
| 1975 | 1.86% | 1.83% |
| 1974 | 1.87% | 1.87% |
| 1973 | 1.87% | 1.97% |
| 1972 | 1.85% | 2.05% |
| 1971 | 1.88% | 2.16% |
| 1970 | 1.91% | 2.27% |
| 1969 | 1.91% | 2.37% |
| 1968 | 1.92% | 2.43% |
| 1967 | 1.9% | 2.44% |
| 1966 | 1.86% | 2.45% |
| 1965 | 1.83% | 2.47% |
| 1964 | 1.77% | 2.49% |
| 1963 | 1.71% | 2.48% |
| 1962 | 1.65% | 2.47% |
| 1961 | 1.58% | 2.46% |
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/sierra-leone/sri-lanka | CC BY
In 2024, the population of Sierra Leone grew by 2.15%, while Sri Lanka's population declined by 0.55%.
Live population counters
|
Sierra Leone
|
Sri Lanka
|
|
|---|---|---|
| Current population |
9049533
|
22185425
|
| Population rank | 101/197 | 63/197 |
| Percent of world population | 0.11% | 0.27% |
| One net population change |
2.9 minutes
|
4.34 minutes
|
| One birth every |
2.03 minutes
|
2.13 minutes
|
| One death every |
7.5 minutes
|
2.91 minutes
|
| Daily growth/decline | +497 | -332 |
| Annual growth/decline | +181,510 | -121,000 |
| Annual growth/decline rate | +2.15% | -0.55% |
| Population growth rate rank | 47/197 | 188/197 |
| One migration net change every |
46.6 minutes
|
17.2 minutes
|
| Annual migration change | -11,309 | -30,724 |
| Net migration rank | 136/196 | 165/196 |
| Foreign-born residents | 49,997 | 40,698 |
| Foreign-born residents rank | 151/195 | 156/195 |
| Foreign-born share of population | 0.6% | 0.2% |
| Foreign-born share rank | 174/195 | 190/195 |
Natural population change vs migration
| Year | Population change | |||
|---|---|---|---|---|
|
Sierra Leone
|
Sri Lanka
|
|||
| Natural | Migration | Natural | Migration | |
| 2025 | - | -11,309 | - | -30,724 |
| 2024 | - | -11,000 | - | -27,245 |
| 2023 | 188,788 | -4,000 | 66,111 | -28,011 |
| 2022 | 186,625 | -4,000 | 95,378 | -27,435 |
| 2021 | 183,326 | -1,544 | 121,858 | -29,586 |
| 2020 | 181,015 | 1,292 | 170,968 | -29,875 |
| 2019 | 181,068 | -2,238 | 172,243 | -28,426 |
| 2018 | 178,772 | -2,741 | 183,610 | -28,607 |
| 2017 | 173,259 | 1,234 | 187,993 | -22,324 |
| 2016 | 168,784 | 4,657 | 194,232 | -18,388 |
| 2015 | 162,275 | -356 | 201,815 | -29,797 |
| 2014 | 160,137 | 485 | 211,541 | -33,672 |
| 2013 | 161,265 | 2,773 | 221,021 | -37,754 |
| 2012 | 160,915 | 988 | 229,138 | -41,955 |
| 2011 | 158,858 | 6,895 | 224,461 | -90,839 |
| 2010 | 155,338 | 7,983 | 224,325 | -98,060 |
| 2009 | 152,669 | 18,145 | 200,175 | -81,130 |
| 2008 | 149,855 | 1,182 | 232,225 | -97,144 |
| 2007 | 145,740 | -6,042 | 248,287 | -109,695 |
| 2006 | 144,127 | -34,052 | 248,706 | -107,045 |
| 2005 | 137,234 | -1,805 | 248,683 | -118,594 |
| 2004 | 132,661 | 23,897 | 212,527 | -84,795 |
| 2003 | 130,312 | 69,185 | 252,008 | -107,573 |
| 2002 | 126,429 | 86,578 | 252,840 | -105,718 |
| 2001 | 116,647 | 227,791 | 244,377 | 19,273 |
| 2000 | 110,754 | 83,013 | 227,060 | 123,894 |
| 1999 | 102,295 | -84,926 | 206,876 | 138,799 |
| 1998 | 103,906 | -76,766 | 201,059 | 150,724 |
| 1997 | 105,433 | -48,437 | 208,193 | 135,636 |
| 1996 | 104,140 | -52,110 | 215,290 | 127,236 |
| 1995 | 100,885 | -112,857 | 221,957 | 117,416 |
| 1994 | 101,486 | -77,371 | 228,904 | 8,323 |
| 1993 | 103,317 | -95,476 | 226,257 | 36,232 |
| 1992 | 103,251 | -129,565 | 222,230 | 88,542 |
| 1991 | 105,477 | -238,965 | 218,117 | -1,047 |
| 1990 | 100,778 | 131,587 | 224,454 | -195,736 |
| 1989 | 98,298 | -5,079 | 212,401 | -33,305 |
| 1988 | 96,344 | 9,470 | 219,184 | -58,415 |
| 1987 | 94,235 | 9,558 | 226,414 | -63,105 |
| 1986 | 90,902 | 7,992 | 233,782 | -26,460 |
| 1985 | 88,869 | -7,873 | 247,836 | -80,950 |
| 1984 | 87,072 | -8,708 | 263,175 | -225,450 |
| 1983 | 84,628 | -8,783 | 277,768 | -209,362 |
| 1982 | 82,457 | -11,379 | 300,030 | -163,987 |
| 1981 | 80,111 | -12,699 | 328,096 | -89,824 |
| 1980 | 77,932 | -11,641 | 328,155 | -63,541 |
| 1979 | 75,992 | -13,095 | 329,791 | -57,683 |
| 1978 | 74,130 | -13,073 | 317,055 | -50,189 |
| 1977 | 71,663 | -12,399 | 300,038 | -45,383 |
| 1976 | 69,506 | -15,686 | 291,816 | -41,258 |
| 1975 | 67,560 | -13,058 | 282,496 | -37,475 |
| 1974 | 65,357 | -11,473 | 275,521 | -33,979 |
| 1973 | 62,443 | -9,322 | 278,577 | -30,582 |
| 1972 | 60,279 | -8,267 | 282,494 | -27,071 |
| 1971 | 58,484 | -8,162 | 281,200 | -22,021 |
| 1970 | 56,513 | -4,957 | 286,719 | -16,299 |
| 1969 | 54,768 | -4,485 | 286,218 | -10,152 |
| 1968 | 53,126 | -3,743 | 286,642 | -7,163 |
| 1967 | 51,734 | -2,819 | 284,738 | -6,696 |
| 1966 | 49,486 | -2,911 | 275,549 | -6,794 |
| 1965 | 47,223 | -1,851 | 272,422 | -7,249 |
| 1964 | 45,487 | -2,308 | 269,584 | -7,614 |
| 1963 | 43,569 | -2,480 | 262,880 | -8,118 |
| 1962 | 41,603 | -2,658 | 256,719 | -8,909 |
| 1961 | 40,022 | -2,947 | 251,087 | -10,144 |
| 1960 | 38,192 | -3,528 | 247,631 | -12,610 |
Data sources: World Bank | Health (1960–2025, retrieved 2026-04-06).
GeoRank.org/population/sierra-leone/sri-lanka | CC BY
Over the last 10 years, 99.6% of the population change in Sierra Leone is from natural causes (a gain of 1,764,049 people) and 0.41% is from migration (a loss of 7,211 people). In Sri Lanka 85.3% is from natural causes (a gain of 1,605,749 people) and 14.7% is from migration (a loss of 276,121 people).
As of 2024, 49,997 residents or 0.6% of the population were not native-born in Sierra Leone, compared to 40,698 people or 0.2% in Sri Lanka.
Biggest cities by population
|
Sierra Leone
|
|
|---|---|
| City | Population |
| Freetown | 951K |
| Bo | 234K |
| Kenema | 188K |
|
Sri Lanka
|
|
|---|---|
| City | Population |
| Colombo | 648K |
| Gampaha | 191K |
| Beruwala | 165K |
| Negombo | 142K |
| Kandy | 120K |
| Sri Jayawardenepura Kotte | 116K |
| Trincomalee | 99.1K |
| Galle | 93.1K |
| Matara | 68.2K |
| Anuradhapura | 63.2K |
Compare countries by 7 more topics
Population differences between Sierra Leone and Sri Lanka
|
Sierra Leone
|
Sri Lanka
|
|
|---|---|---|
| Life expectancy | 62.3 years | 78 years |
| Average age | 24.4 years | 35.8 years |
| Median age | 20.5 years | 34.1 years |
| Male:Female ratio | 49.9:50.1 | 48.4:51.6 |
| Fertility rate | 3.79 births per woman | 1.97 births per woman |
| Population density | 323 ppl/mi² | 928 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/sierra-leone/sri-lanka | 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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