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Population in Sierra Leone compared to Sri Lanka: Trends, Charts, Rankings

Updated on by Georank team

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 2025, based on the adjusted UN estimation, the current Sierra Leone's population is 8,961,932 people compared to 22,125,995 in Sri Lanka.

Population statistics:

  • Sri Lanka's population is 2.47 times bigger than Sierra Leone's.
  • Sierra Leone is ranked the 102nd 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 2005, the population of Sierra Leone has increased from 5.5M people to 8.96M (62.9% growth), while Sri Lanka has grown from 20.2M to 22.1M (9.45% growth).
  • Sierra Leone is projected to reach its peak in 2092 at 16M people compared to the peak of 23.5M people in 2051 for Sri Lanka.

Sierra Leone vs Sri Lanka: live population counter

Sierra Leone Sri Lanka
Current population
8961932
22125995
Population rank 102/197 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
One migration net change every
47.8 minutes
19.3 minutes
Annual migration change -11,000 -27,245
Daily growth/decline +497 -332
Annual growth/decline +181,510 -121,000
Annual growth/decline rate +2.15% -0.55%
Population growth rate rank 49/197 187/197

Sierra Leone and Sri Lanka: population history and growth rate by year chart

Sierra Leone
Population

Growth rate
Sri Lanka
Population

Growth rate
Year Population Growth rate
Sierra Leone Sri Lanka Sierra Leone Sri Lanka
1960 2,268,356 9,661,389 - -
1961 2,304,227 9,899,372 1.58% 2.46%
1962 2,342,242 10,143,754 1.65% 2.47%
1963 2,382,258 10,395,040 1.71% 2.48%
1964 2,424,390 10,653,397 1.77% 2.49%
1965 2,468,666 10,916,965 1.83% 2.47%
1966 2,514,638 11,183,928 1.86% 2.45%
1967 2,562,384 11,457,328 1.9% 2.44%
1968 2,611,532 11,736,088 1.92% 2.43%
1969 2,661,365 12,013,858 1.91% 2.37%
1970 2,712,286 12,287,110 1.91% 2.27%
1971 2,763,222 12,551,910 1.88% 2.16%
1972 2,814,388 12,809,205 1.85% 2.05%
1973 2,866,955 13,060,916 1.87% 1.97%
1974 2,920,459 13,305,693 1.87% 1.87%
1975 2,974,657 13,548,984 1.86% 1.83%
1976 3,028,820 13,796,770 1.82% 1.83%
1977 3,085,354 14,049,371 1.87% 1.83%
1978 3,145,517 14,310,128 1.95% 1.86%
1979 3,207,499 14,579,614 1.97% 1.88%
1980 3,272,089 14,847,974 2.01% 1.84%
1981 3,338,940 15,099,414 2.04% 1.69%
1982 3,408,183 15,286,567 2.07% 1.24%
1983 3,481,646 15,388,794 2.16% 0.67%
1984 3,558,758 15,441,860 2.21% 0.34%
1985 3,638,438 15,544,154 2.24% 0.66%
1986 3,728,380 15,731,256 2.47% 1.2%
1987 3,829,718 15,916,576 2.72% 1.18%
1988 3,934,517 16,078,621 2.74% 1.02%
1989 4,034,037 16,248,557 2.53% 1.06%
1990 4,196,828 16,352,458 4.04% 0.64%
1991 4,246,267 16,475,354 1.18% 0.75%
1992 4,166,366 16,739,284 -1.88% 1.6%
1993 4,157,130 17,025,918 -0.22% 1.71%
1994 4,173,105 17,275,773 0.38% 1.47%
1995 4,179,179 17,564,068 0.15% 1.67%
1996 4,199,210 17,905,018 0.48% 1.94%
1997 4,253,716 18,248,200 1.3% 1.92%
1998 4,295,785 18,596,003 0.99% 1.91%
1999 4,318,043 18,944,731 0.52% 1.88%
2000 4,423,611 19,293,054 2.44% 1.84%
2001 4,692,716 19,600,362 6.08% 1.59%
2002 4,971,435 19,805,752 5.94% 1.05%
2003 5,177,687 19,951,521 4.15% 0.74%
2004 5,355,717 20,087,605 3.44% 0.68%
2005 5,501,712 20,216,524 2.73% 0.64%
2006 5,624,466 20,352,411 2.23% 0.67%
2007 5,749,352 20,492,545 2.22% 0.69%
2008 5,894,722 20,629,378 2.53% 0.67%
2009 6,055,646 20,756,435 2.73% 0.62%
2010 6,222,714 20,879,089 2.76% 0.59%
2011 6,387,251 21,009,048 2.64% 0.62%
2012 6,551,080 21,169,458 2.56% 0.76%
2013 6,714,051 20,585,000 2.49% -2.76%
2014 6,876,385 20,778,000 2.42% 0.94%
2015 7,037,655 20,970,000 2.35% 0.92%
2016 7,205,328 21,209,000 2.38% 1.14%
2017 7,379,299 21,453,000 2.41% 1.15%
2018 7,554,563 21,670,000 2.38% 1.01%
2019 7,731,991 21,803,000 2.35% 0.61%
2020 7,912,558 21,919,000 2.34% 0.53%
2021 8,094,602 22,156,000 2.3% 1.08%
2022 8,276,807 22,181,000 2.25% 0.11%
2023 8,460,512 22,037,000 2.22% -0.65%
2024 8,642,022 21,916,000 2.15% -0.55%
2025 8,819,789 22,035,440 2.06% 0.54%
2026 8,996,743 22,148,172 2.01% 0.51%
2027 9,174,695 22,255,601 1.98% 0.49%
2028 9,349,021 22,357,682 1.9% 0.46%
2029 9,520,811 22,453,922 1.84% 0.43%
2030 9,694,851 22,546,245 1.83% 0.41%
2031 9,870,295 22,635,106 1.81% 0.39%
2032 10,047,193 22,720,118 1.79% 0.38%
2033 10,221,006 22,802,043 1.73% 0.36%
2034 10,391,485 22,879,527 1.67% 0.34%
2035 10,563,163 22,952,739 1.65% 0.32%
2036 10,734,341 23,022,027 1.62% 0.3%
2037 10,902,263 23,088,877 1.56% 0.29%
2038 11,066,143 23,152,480 1.5% 0.28%
2039 11,230,060 23,211,633 1.48% 0.26%
2040 11,398,391 23,265,986 1.5% 0.23%
2041 11,566,213 23,315,260 1.47% 0.21%
2042 11,728,787 23,359,578 1.41% 0.19%
2043 11,887,934 23,398,752 1.36% 0.17%
2044 12,049,424 23,433,096 1.36% 0.15%
2045 12,208,872 23,464,943 1.32% 0.14%
2046 12,363,446 23,492,738 1.27% 0.12%
2047 12,512,739 23,512,629 1.21% 0.08%
2048 12,659,609 23,525,953 1.17% 0.06%
2049 12,805,136 23,533,940 1.15% 0.03%
2050 12,948,320 23,538,230 1.12% 0.02%

From 2005 to 2015, the population of Sierra Leone increased by 1,535,943 people (a 27.9% growth), while Sri Lanka gained 753,476 people (a 3.73% growth).

For the next 10 years, from 2015 to 2025, Sierra Leone gained 1,924,277 (a 27.3% growth), while Sri Lanka's population increased by 1,155,995 (a 5.51% growth).

Sierra Leone was ranked 106th most populous country in 2005 and is 102nd 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) Sierra Leone's population will grow by 44.5% to 12,948,320 people with a rank change from 102nd to 91st. 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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