The latest officially reported population of Sierra Leone was 8,642,022 in 2024 vs 50,448,963 people in Sudan in 2024. In 2026, based on the adjusted UN estimation, the current Sierra Leone's population is 9,049,533 people compared to 53,335,233 in Sudan.
Population statistics:
- Sudan's population is 5.89 times bigger than Sierra Leone's.
- Sierra Leone is ranked the 101st most populous country in the world, while Sudan is the 29th.
- The countries together account for 0.75% of the world: 0.11% for Sierra Leone vs 0.64% for Sudan.
- For the last 10 years, Sierra Leone has had an average growth rate of +2.32% per year vs +2.67% in Sudan.
- Since 2006, the population of Sierra Leone has increased from 5.62M people to 9.05M (60.9% growth), while Sudan has grown from 32M to 53.3M (66.7% growth).
Sierra Leone vs Sudan: population by year and forecast
| Year | Population | |
|---|---|---|
Sierra Leone
|
Sudan
|
|
| 2100 | 16,111,324 | 137,695,876 |
| 2099 | 16,126,181 | 137,114,644 |
| 2098 | 16,139,280 | 136,500,499 |
| 2097 | 16,154,153 | 135,860,701 |
| 2096 | 16,164,923 | 135,222,218 |
| 2095 | 16,173,557 | 134,553,615 |
| 2094 | 16,173,155 | 133,902,112 |
| 2093 | 16,177,864 | 133,186,791 |
| 2092 | 16,175,032 | 132,427,642 |
| 2091 | 16,168,153 | 131,674,049 |
| 2090 | 16,158,415 | 130,893,042 |
| 2089 | 16,146,773 | 130,075,970 |
| 2088 | 16,133,018 | 129,234,968 |
| 2087 | 16,116,823 | 128,358,981 |
| 2086 | 16,089,780 | 127,463,823 |
| 2085 | 16,068,438 | 126,555,673 |
| 2084 | 16,044,782 | 125,612,419 |
| 2083 | 16,011,134 | 124,663,868 |
| 2082 | 15,975,073 | 123,716,124 |
| 2081 | 15,935,071 | 122,772,016 |
| 2080 | 15,896,846 | 121,805,246 |
| 2079 | 15,854,898 | 120,822,781 |
| 2078 | 15,805,607 | 119,802,944 |
| 2077 | 15,754,551 | 118,776,597 |
| 2076 | 15,699,439 | 117,748,457 |
| 2075 | 15,639,458 | 116,688,549 |
| 2074 | 15,584,377 | 115,601,159 |
| 2073 | 15,516,736 | 114,499,847 |
| 2072 | 15,446,543 | 113,374,089 |
| 2071 | 15,374,790 | 112,235,978 |
| 2070 | 15,297,449 | 111,102,687 |
| 2069 | 15,216,666 | 109,945,533 |
| 2068 | 15,128,048 | 108,791,037 |
| 2067 | 15,032,144 | 107,581,192 |
| 2066 | 14,935,222 | 106,357,353 |
| 2065 | 14,837,697 | 105,145,307 |
| 2064 | 14,740,749 | 103,903,801 |
| 2063 | 14,642,031 | 102,642,643 |
| 2062 | 14,529,557 | 101,354,095 |
| 2061 | 14,423,861 | 100,067,335 |
| 2060 | 14,311,215 | 98,765,585 |
| 2059 | 14,198,706 | 97,461,067 |
| 2058 | 14,080,827 | 96,135,716 |
| 2057 | 13,960,869 | 94,800,344 |
| 2056 | 13,836,132 | 93,458,640 |
| 2055 | 13,706,113 | 92,089,717 |
| 2054 | 13,579,802 | 90,711,253 |
| 2053 | 13,444,465 | 89,342,122 |
| 2052 | 13,303,409 | 87,962,125 |
| 2051 | 13,156,370 | 86,581,277 |
| 2050 | 13,010,109 | 85,194,794 |
| 2049 | 12,867,021 | 83,803,171 |
| 2048 | 12,716,015 | 82,442,635 |
| 2047 | 12,570,250 | 81,085,689 |
| 2046 | 12,414,307 | 79,725,126 |
| 2045 | 12,257,874 | 78,359,927 |
| 2044 | 12,092,075 | 77,006,049 |
| 2043 | 11,931,531 | 75,652,858 |
| 2042 | 11,770,467 | 74,312,465 |
| 2041 | 11,602,993 | 72,968,877 |
| 2040 | 11,431,337 | 71,640,015 |
| 2039 | 11,262,807 | 70,319,906 |
| 2038 | 11,100,099 | 69,001,239 |
| 2037 | 10,931,629 | 67,665,904 |
| 2036 | 10,760,758 | 66,337,650 |
| 2035 | 10,585,702 | 65,001,359 |
| 2034 | 10,413,826 | 63,664,516 |
| 2033 | 10,241,196 | 62,329,849 |
| 2032 | 10,062,575 | 61,007,985 |
| 2031 | 9,883,708 | 59,695,860 |
| 2030 | 9,708,038 | 58,384,521 |
| 2029 | 9,532,000 | 57,082,767 |
| 2028 | 9,360,873 | 55,800,806 |
| 2027 | 9,179,702 | 54,523,219 |
| 2026 | 9,001,269 | 52,894,744 |
| 2025 | 8,822,114 | 51,256,148 |
| 2024 | 8,642,022 | 50,448,963 |
| 2023 | 8,460,512 | 50,042,791 |
| 2022 | 8,276,807 | 49,383,346 |
| 2021 | 8,094,602 | 48,066,924 |
| 2020 | 7,912,558 | 46,789,231 |
| 2019 | 7,731,991 | 45,548,175 |
| 2018 | 7,554,563 | 44,230,596 |
| 2017 | 7,379,299 | 42,714,306 |
| 2016 | 7,205,328 | 41,259,892 |
| 2015 | 7,037,655 | 40,024,431 |
| 2014 | 6,876,385 | 38,823,318 |
| 2013 | 6,714,051 | 37,785,849 |
| 2012 | 6,551,080 | 36,923,178 |
| 2011 | 6,387,251 | 36,140,806 |
| 2010 | 6,222,714 | 35,414,399 |
| 2009 | 6,055,646 | 34,569,113 |
| 2008 | 5,894,722 | 33,623,980 |
| 2007 | 5,749,352 | 32,764,135 |
| 2006 | 5,624,466 | 31,992,435 |
| 2005 | 5,501,712 | 31,262,444 |
| 2004 | 5,355,717 | 30,556,637 |
| 2003 | 5,177,687 | 29,896,035 |
| 2002 | 4,971,435 | 29,228,727 |
| 2001 | 4,692,716 | 28,516,770 |
| 2000 | 4,423,611 | 27,816,745 |
| 1999 | 4,318,043 | 27,130,613 |
| 1998 | 4,295,785 | 26,458,999 |
| 1997 | 4,253,716 | 25,799,821 |
| 1996 | 4,199,210 | 25,231,528 |
| 1995 | 4,179,179 | 24,672,143 |
| 1994 | 4,173,105 | 24,043,948 |
| 1993 | 4,157,130 | 23,445,592 |
| 1992 | 4,166,366 | 22,927,355 |
| 1991 | 4,246,267 | 22,470,676 |
| 1990 | 4,196,828 | 22,021,481 |
| 1989 | 4,034,037 | 21,578,022 |
| 1988 | 3,934,517 | 21,138,431 |
| 1987 | 3,829,718 | 20,704,904 |
| 1986 | 3,728,380 | 20,288,238 |
| 1985 | 3,638,438 | 19,905,872 |
| 1984 | 3,558,758 | 19,546,528 |
| 1983 | 3,481,646 | 19,109,770 |
| 1982 | 3,408,183 | 18,486,645 |
| 1981 | 3,338,940 | 17,780,572 |
| 1980 | 3,272,089 | 17,058,905 |
| 1979 | 3,207,499 | 16,355,352 |
| 1978 | 3,145,517 | 15,695,003 |
| 1977 | 3,085,354 | 15,086,614 |
| 1976 | 3,028,820 | 14,569,716 |
| 1975 | 2,974,657 | 14,064,798 |
| 1974 | 2,920,459 | 13,580,723 |
| 1973 | 2,866,955 | 13,049,315 |
| 1972 | 2,814,388 | 12,527,856 |
| 1971 | 2,763,222 | 12,105,539 |
| 1970 | 2,712,286 | 11,695,771 |
| 1969 | 2,661,365 | 11,298,936 |
| 1968 | 2,611,532 | 10,917,999 |
| 1967 | 2,562,384 | 10,550,597 |
| 1966 | 2,514,638 | 10,197,578 |
| 1965 | 2,468,666 | 9,858,030 |
| 1964 | 2,424,390 | 9,531,109 |
| 1963 | 2,382,258 | 9,218,077 |
| 1962 | 2,342,242 | 8,919,028 |
| 1961 | 2,304,227 | 8,634,941 |
| 1960 | 2,268,356 | 8,364,489 |
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/sudan | CC BY 
From 2006 to 2016, the population of Sierra Leone increased by 1,580,862 people (a 28.1% growth), while Sudan gained 9,267,457 people (a 29% growth).
For the next 10 years, from 2016 to 2026, Sierra Leone gained 1,844,205 people (a 25.6% growth), while Sudan's population increased by 12,075,341 people (a 29.3% growth).
Sierra Leone was ranked 106th most populous country in 2006 and is 101st in 2026. Sudan was ranked 36th in 2006 and ranked 29th 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 Sudan will increase by 59.7% to 85,194,794 people and rank change from 29th to 21st.
Sierra Leone is projected to reach its peak in 2093 at 16.2M people compared to the peak of 138M people in 2100 for Sudan.
Population growth rate by year
| Year | Growth rate | |
|---|---|---|
|
Sierra Leone
|
Sudan
|
|
| 2100 | -0.09% | 0.42% |
| 2099 | -0.08% | 0.45% |
| 2098 | -0.09% | 0.47% |
| 2097 | -0.07% | 0.47% |
| 2096 | -0.05% | 0.5% |
| 2095 | 0.002% | 0.49% |
| 2094 | -0.03% | 0.54% |
| 2093 | 0.02% | 0.57% |
| 2092 | 0.04% | 0.57% |
| 2091 | 0.06% | 0.6% |
| 2090 | 0.07% | 0.63% |
| 2089 | 0.09% | 0.65% |
| 2088 | 0.1% | 0.68% |
| 2087 | 0.17% | 0.7% |
| 2086 | 0.13% | 0.72% |
| 2085 | 0.15% | 0.75% |
| 2084 | 0.21% | 0.76% |
| 2083 | 0.23% | 0.77% |
| 2082 | 0.25% | 0.77% |
| 2081 | 0.24% | 0.79% |
| 2080 | 0.26% | 0.81% |
| 2079 | 0.31% | 0.85% |
| 2078 | 0.32% | 0.86% |
| 2077 | 0.35% | 0.87% |
| 2076 | 0.38% | 0.91% |
| 2075 | 0.35% | 0.94% |
| 2074 | 0.44% | 0.96% |
| 2073 | 0.45% | 0.99% |
| 2072 | 0.47% | 1.01% |
| 2071 | 0.51% | 1.02% |
| 2070 | 0.53% | 1.05% |
| 2069 | 0.59% | 1.06% |
| 2068 | 0.64% | 1.12% |
| 2067 | 0.65% | 1.15% |
| 2066 | 0.66% | 1.15% |
| 2065 | 0.66% | 1.19% |
| 2064 | 0.67% | 1.23% |
| 2063 | 0.77% | 1.27% |
| 2062 | 0.73% | 1.29% |
| 2061 | 0.79% | 1.32% |
| 2060 | 0.79% | 1.34% |
| 2059 | 0.84% | 1.38% |
| 2058 | 0.86% | 1.41% |
| 2057 | 0.9% | 1.44% |
| 2056 | 0.95% | 1.49% |
| 2055 | 0.93% | 1.52% |
| 2054 | 1.01% | 1.53% |
| 2053 | 1.06% | 1.57% |
| 2052 | 1.12% | 1.59% |
| 2051 | 1.12% | 1.63% |
| 2050 | 1.11% | 1.66% |
| 2049 | 1.19% | 1.65% |
| 2048 | 1.16% | 1.67% |
| 2047 | 1.26% | 1.71% |
| 2046 | 1.28% | 1.74% |
| 2045 | 1.37% | 1.76% |
| 2044 | 1.35% | 1.79% |
| 2043 | 1.37% | 1.8% |
| 2042 | 1.44% | 1.84% |
| 2041 | 1.5% | 1.85% |
| 2040 | 1.5% | 1.88% |
| 2039 | 1.47% | 1.91% |
| 2038 | 1.54% | 1.97% |
| 2037 | 1.59% | 2% |
| 2036 | 1.65% | 2.06% |
| 2035 | 1.65% | 2.1% |
| 2034 | 1.69% | 2.14% |
| 2033 | 1.78% | 2.17% |
| 2032 | 1.81% | 2.2% |
| 2031 | 1.81% | 2.25% |
| 2030 | 1.85% | 2.28% |
| 2029 | 1.83% | 2.3% |
| 2028 | 1.97% | 2.34% |
| 2027 | 1.98% | 3.08% |
| 2026 | 2.03% | 3.2% |
| 2025 | 2.08% | 1.6% |
| 2024 | 2.15% | 0.81% |
| 2023 | 2.22% | 1.34% |
| 2022 | 2.25% | 2.74% |
| 2021 | 2.3% | 2.73% |
| 2020 | 2.34% | 2.72% |
| 2019 | 2.35% | 2.98% |
| 2018 | 2.38% | 3.55% |
| 2017 | 2.41% | 3.53% |
| 2016 | 2.38% | 3.09% |
| 2015 | 2.35% | 3.09% |
| 2014 | 2.42% | 2.75% |
| 2013 | 2.49% | 2.34% |
| 2012 | 2.56% | 2.16% |
| 2011 | 2.64% | 2.05% |
| 2010 | 2.76% | 2.45% |
| 2009 | 2.73% | 2.81% |
| 2008 | 2.53% | 2.62% |
| 2007 | 2.22% | 2.41% |
| 2006 | 2.23% | 2.34% |
| 2005 | 2.73% | 2.31% |
| 2004 | 3.44% | 2.21% |
| 2003 | 4.15% | 2.28% |
| 2002 | 5.94% | 2.5% |
| 2001 | 6.08% | 2.52% |
| 2000 | 2.44% | 2.53% |
| 1999 | 0.52% | 2.54% |
| 1998 | 0.99% | 2.55% |
| 1997 | 1.3% | 2.25% |
| 1996 | 0.48% | 2.27% |
| 1995 | 0.15% | 2.61% |
| 1994 | 0.38% | 2.55% |
| 1993 | -0.22% | 2.26% |
| 1992 | -1.88% | 2.03% |
| 1991 | 1.18% | 2.04% |
| 1990 | 4.04% | 2.06% |
| 1989 | 2.53% | 2.08% |
| 1988 | 2.74% | 2.09% |
| 1987 | 2.72% | 2.05% |
| 1986 | 2.47% | 1.92% |
| 1985 | 2.24% | 1.84% |
| 1984 | 2.21% | 2.29% |
| 1983 | 2.16% | 3.37% |
| 1982 | 2.07% | 3.97% |
| 1981 | 2.04% | 4.23% |
| 1980 | 2.01% | 4.3% |
| 1979 | 1.97% | 4.21% |
| 1978 | 1.95% | 4.03% |
| 1977 | 1.87% | 3.55% |
| 1976 | 1.82% | 3.59% |
| 1975 | 1.86% | 3.56% |
| 1974 | 1.87% | 4.07% |
| 1973 | 1.87% | 4.16% |
| 1972 | 1.85% | 3.49% |
| 1971 | 1.88% | 3.5% |
| 1970 | 1.91% | 3.51% |
| 1969 | 1.91% | 3.49% |
| 1968 | 1.92% | 3.48% |
| 1967 | 1.9% | 3.46% |
| 1966 | 1.86% | 3.44% |
| 1965 | 1.83% | 3.43% |
| 1964 | 1.77% | 3.4% |
| 1963 | 1.71% | 3.35% |
| 1962 | 1.65% | 3.29% |
| 1961 | 1.58% | 3.23% |
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/sudan | CC BY
In 2024, the population of Sierra Leone grew by 2.15%, while Sudan's population grew by 0.81%.
Live population counters
|
Sierra Leone
|
Sudan
|
|
|---|---|---|
| Current population |
9049533
|
53335233
|
| Population rank | 101/197 | 29/197 |
| Percent of world population | 0.11% | 0.64% |
| One net population change |
2.9 minutes
|
1.29 minutes
|
| One birth every |
2.03 minutes
|
18.7 seconds
|
| One death every |
7.5 minutes
|
1.64 minutes
|
| Daily growth/decline | +497 | +1,113 |
| Annual growth/decline | +181,510 | +406,172 |
| Annual growth/decline rate | +2.15% | +0.81% |
| Population growth rate rank | 47/197 | 116/197 |
| One migration net change every |
46.6 minutes
|
1.81 minutes
|
| Annual migration change | -11,309 | +291,469 |
| Net migration rank | 136/196 | 6/196 |
| Foreign-born residents | 49,997 | 2,397,113 |
| Foreign-born residents rank | 151/195 | 29/195 |
| Foreign-born share of population | 0.6% | 4.8% |
| Foreign-born share rank | 174/195 | 94/195 |
Natural population change vs migration
| Year | Population change | |||
|---|---|---|---|---|
|
Sierra Leone
|
Sudan
|
|||
| Natural | Migration | Natural | Migration | |
| 2025 | - | -11,309 | - | 291,469 |
| 2024 | - | -11,000 | - | -544,257 |
| 2023 | 188,788 | -4,000 | 1,361,564 | -1,349,998 |
| 2022 | 186,625 | -4,000 | 1,333,992 | -26,668 |
| 2021 | 183,326 | -1,544 | 1,293,817 | 31,664 |
| 2020 | 181,015 | 1,292 | 1,295,781 | -65,933 |
| 2019 | 181,068 | -2,238 | 1,291,747 | -39,491 |
| 2018 | 178,772 | -2,741 | 1,257,387 | 125,499 |
| 2017 | 173,259 | 1,234 | 1,208,046 | 441,623 |
| 2016 | 168,784 | 4,657 | 1,174,422 | 84,728 |
| 2015 | 162,275 | -356 | 1,145,259 | 66,476 |
| 2014 | 160,137 | 485 | 1,097,962 | 92,504 |
| 2013 | 161,265 | 2,773 | 1,078,446 | -194,001 |
| 2012 | 160,915 | 988 | 1,073,062 | -232,196 |
| 2011 | 158,858 | 6,895 | 1,070,888 | -347,024 |
| 2010 | 155,338 | 7,983 | 1,068,381 | -339,466 |
| 2009 | 152,669 | 18,145 | 1,041,810 | -80,159 |
| 2008 | 149,855 | 1,182 | 1,001,826 | -73,188 |
| 2007 | 145,740 | -6,042 | 992,819 | -201,769 |
| 2006 | 144,127 | -34,052 | 963,740 | -211,387 |
| 2005 | 137,234 | -1,805 | 907,017 | -199,378 |
| 2004 | 132,661 | 23,897 | 889,382 | -185,392 |
| 2003 | 130,312 | 69,185 | 898,226 | -281,001 |
| 2002 | 126,429 | 86,578 | 897,965 | -180,603 |
| 2001 | 116,647 | 227,791 | 880,284 | -173,745 |
| 2000 | 110,754 | 83,013 | 858,536 | -165,030 |
| 1999 | 102,295 | -84,926 | 835,840 | -157,090 |
| 1998 | 103,906 | -76,766 | 814,752 | -150,271 |
| 1997 | 105,433 | -48,437 | 802,245 | -148,368 |
| 1996 | 104,140 | -52,110 | 792,926 | -310,221 |
| 1995 | 100,885 | -112,857 | 780,700 | -144,670 |
| 1994 | 101,486 | -77,371 | 764,645 | -144,324 |
| 1993 | 103,317 | -95,476 | 743,249 | -166,861 |
| 1992 | 103,251 | -129,565 | 731,177 | -271,093 |
| 1991 | 105,477 | -238,965 | 714,612 | -261,341 |
| 1990 | 100,778 | 131,587 | 699,953 | -254,825 |
| 1989 | 98,298 | -5,079 | 683,743 | -241,979 |
| 1988 | 96,344 | 9,470 | 672,604 | -235,213 |
| 1987 | 94,235 | 9,558 | 658,416 | -228,756 |
| 1986 | 90,902 | 7,992 | 649,649 | -245,968 |
| 1985 | 88,869 | -7,873 | 583,382 | -222,315 |
| 1984 | 87,072 | -8,708 | 577,405 | -219,755 |
| 1983 | 84,628 | -8,783 | 570,198 | -54,325 |
| 1982 | 82,457 | -11,379 | 606,362 | 124,007 |
| 1981 | 80,111 | -12,699 | 585,087 | 96,697 |
| 1980 | 77,932 | -11,641 | 552,930 | 208,602 |
| 1979 | 75,992 | -13,095 | 524,942 | 120,613 |
| 1978 | 74,130 | -13,073 | 497,987 | 177,153 |
| 1977 | 71,663 | -12,399 | 483,089 | 58,540 |
| 1976 | 69,506 | -15,686 | 470,019 | 22,147 |
| 1975 | 67,560 | -13,058 | 454,813 | 62,843 |
| 1974 | 65,357 | -11,473 | 444,456 | 6,023 |
| 1973 | 62,443 | -9,322 | 439,201 | 173,143 |
| 1972 | 60,279 | -8,267 | 428,340 | 2,238 |
| 1971 | 58,484 | -8,162 | 417,641 | -3,577 |
| 1970 | 56,513 | -4,957 | 401,013 | 4,479 |
| 1969 | 54,768 | -4,485 | 385,712 | 2,476 |
| 1968 | 53,126 | -3,743 | 370,917 | 2,776 |
| 1967 | 51,734 | -2,819 | 356,599 | 4,508 |
| 1966 | 49,486 | -2,911 | 342,118 | 2,813 |
| 1965 | 47,223 | -1,851 | 327,799 | 6,367 |
| 1964 | 45,487 | -2,308 | 315,166 | 4,505 |
| 1963 | 43,569 | -2,480 | 302,132 | 4,263 |
| 1962 | 41,603 | -2,658 | 287,317 | 4,387 |
| 1961 | 40,022 | -2,947 | 272,562 | 3,904 |
| 1960 | 38,192 | -3,528 | 262,235 | 2,194 |
Data sources: World Bank | Health (1960–2025, retrieved 2026-04-06).
GeoRank.org/population/sierra-leone/sudan | 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 Sudan 95.1% is from natural causes (a gain of 12,459,977 people) and 4.88% is from migration (a loss of 639,596 people).
As of 2024, 49,997 residents or 0.6% of the population were not native-born in Sierra Leone, compared to 2,397,113 people or 4.8% in Sudan.
Biggest cities by population
|
Sierra Leone
|
|
|---|---|
| City | Population |
| Freetown | 951K |
| Bo | 234K |
| Kenema | 188K |
|
Sudan
|
|
|---|---|
| City | Population |
| Khartoum | 5.34M |
| Omdurman | 2.81M |
| Khartoum North | 936K |
| Port Sudan | 580K |
| El-Obeid | 560K |
| Kassala | 536K |
| Kosti | 528K |
| Nyala | 493K |
| El-Gadarif | 355K |
| Al-Fashir | 286K |
Compare countries by 7 more topics
Population differences between Sierra Leone and Sudan
|
Sierra Leone
|
Sudan
|
|
|---|---|---|
| Life expectancy | 62.3 years | 66.9 years |
| Average age | 24.4 years | 23.6 years |
| Median age | 20.5 years | 19.4 years |
| Male:Female ratio | 49.9:50.1 | 49.6:50.4 |
| Fertility rate | 3.79 births per woman | 4.32 births per woman |
| Population density | 323 ppl/mi² | 73.3 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/sudan | 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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