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Population in Sierra Leone compared to Singapore: Trends, Charts, Rankings

Updated on by Georank

The latest officially reported population of Sierra Leone was 8,819,794 in 2025 vs 6,111,175 people in Singapore in 2025. In 2026, based on the adjusted UN estimation, the current Sierra Leone's population is 9,090,531 people compared to 6,167,445 in Singapore.

Population statistics:

  • Sierra Leone's population is 1.47 times bigger than Singapore's.
  • Sierra Leone is ranked the 100th most populous country in the world, while Singapore is the 113th.
  • The countries together account for 0.18% of the world: 0.11% for Sierra Leone vs 0.07% for Singapore.
  • For the last 10 years, Sierra Leone has had an average growth rate of +2.29% per year vs +1.04% in Singapore.
  • Since 2006, the population of Sierra Leone has increased from 5.62M people to 9.09M (61.6% growth), while Singapore has grown from 4.4M to 6.17M (40.1% growth).

Sierra Leone vs Singapore: population by year and forecast

Sierra Leone
Factual

Projection
Singapore
Factual

Projection
1x
Year Population
Sierra Leone Singapore
2100 16,107,087 4,367,779
2099 16,121,940 4,411,412
2098 16,135,035 4,459,213
2097 16,149,905 4,507,770
2096 16,160,672 4,558,553
2095 16,169,304 4,610,080
2094 16,168,902 4,664,700
2093 16,173,609 4,718,168
2092 16,170,778 4,771,068
2091 16,163,901 4,828,101
2090 16,154,165 4,885,895
2089 16,142,526 4,946,502
2088 16,128,775 5,004,664
2087 16,112,585 5,063,944
2086 16,085,549 5,124,380
2085 16,064,212 5,183,406
2084 16,040,563 5,240,616
2083 16,006,923 5,298,156
2082 15,970,872 5,356,138
2081 15,930,880 5,412,770
2080 15,892,665 5,467,479
2079 15,850,728 5,521,442
2078 15,801,450 5,571,799
2077 15,750,408 5,619,705
2076 15,695,310 5,663,197
2075 15,635,345 5,710,629
2074 15,580,279 5,756,364
2073 15,512,655 5,795,230
2072 15,442,481 5,831,071
2071 15,370,747 5,864,860
2070 15,293,426 5,895,880
2069 15,212,664 5,928,650
2068 15,124,069 5,959,740
2067 15,028,190 5,988,217
2066 14,931,295 6,021,266
2065 14,833,794 6,052,854
2064 14,736,872 6,079,559
2063 14,638,180 6,102,106
2062 14,525,736 6,126,791
2061 14,420,068 6,149,980
2060 14,307,451 6,175,566
2059 14,194,972 6,196,576
2058 14,077,124 6,219,117
2057 13,957,197 6,236,905
2056 13,832,494 6,255,191
2055 13,702,508 6,274,008
2054 13,576,231 6,295,405
2053 13,440,929 6,311,683
2052 13,299,910 6,324,118
2051 13,152,910 6,341,435
2050 13,006,688 6,359,963
2049 12,863,637 6,376,972
2048 12,712,671 6,390,246
2047 12,566,944 6,408,209
2046 12,411,042 6,422,503
2045 12,254,651 6,434,477
2044 12,088,895 6,447,538
2043 11,928,393 6,455,584
2042 11,767,372 6,462,372
2041 11,599,942 6,468,000
2040 11,428,331 6,469,582
2039 11,259,845 6,466,204
2038 11,097,180 6,457,329
2037 10,928,754 6,445,649
2036 10,757,928 6,433,599
2035 10,582,918 6,417,210
2034 10,411,088 6,395,064
2033 10,238,503 6,367,864
2032 10,059,929 6,340,911
2031 9,881,109 6,311,853
2030 9,705,485 6,284,466
2029 9,529,493 6,254,860
2028 9,358,412 6,220,267
2027 9,177,288 6,184,266
2026 8,998,902 6,149,680
2025 8,819,794 6,111,175
2024 8,642,022 6,036,860
2023 8,460,512 5,917,648
2022 8,276,807 5,637,022
2021 8,094,602 5,453,566
2020 7,912,558 5,685,807
2019 7,731,991 5,703,569
2018 7,554,563 5,638,676
2017 7,379,299 5,612,253
2016 7,205,328 5,607,283
2015 7,037,655 5,535,002
2014 6,876,385 5,469,724
2013 6,714,051 5,399,162
2012 6,551,080 5,312,437
2011 6,387,251 5,183,688
2010 6,222,714 5,076,732
2009 6,055,646 4,987,573
2008 5,894,722 4,839,396
2007 5,749,352 4,588,599
2006 5,624,466 4,401,365
2005 5,501,712 4,265,762
2004 5,355,717 4,166,664
2003 5,177,687 4,114,826
2002 4,971,435 4,175,950
2001 4,692,716 4,138,012
2000 4,423,611 4,027,887
1999 4,318,043 3,958,723
1998 4,295,785 3,927,213
1997 4,253,716 3,796,038
1996 4,199,210 3,670,704
1995 4,179,179 3,524,506
1994 4,173,105 3,419,048
1993 4,157,130 3,313,471
1992 4,166,366 3,230,698
1991 4,246,267 3,135,083
1990 4,196,828 3,047,132
1989 4,034,037 2,930,901
1988 3,934,517 2,846,108
1987 3,829,718 2,774,789
1986 3,728,380 2,733,373
1985 3,638,438 2,735,957
1984 3,558,758 2,732,221
1983 3,481,646 2,681,061
1982 3,408,183 2,646,466
1981 3,338,940 2,532,835
1980 3,272,089 2,413,945
1979 3,207,499 2,383,500
1978 3,145,517 2,353,600
1977 3,085,354 2,325,300
1976 3,028,820 2,293,300
1975 2,974,657 2,262,600
1974 2,920,459 2,229,800
1973 2,866,955 2,193,000
1972 2,814,388 2,152,400
1971 2,763,222 2,112,900
1970 2,712,286 2,074,507
1969 2,661,365 2,042,500
1968 2,611,532 2,012,000
1967 2,562,384 1,977,600
1966 2,514,638 1,934,400
1965 2,468,666 1,886,900
1964 2,424,390 1,841,600
1963 2,382,258 1,795,000
1962 2,342,242 1,750,200
1961 2,304,227 1,702,400
1960 2,268,356 1,646,400

Data sources: United Nations | World Population Prospects (2026–2100, retrieved 2026-07-08); World Bank | Health (1960–2025, retrieved 2026-07-08).

GeoRank.org/population/sierra-leone/singapore | CC BY

From 2006 to 2016, the population of Sierra Leone increased by 1,580,862 people (a 28.1% growth), while Singapore gained 1,205,918 people (a 27.4% growth).

For the next 10 years, from 2016 to 2026, Sierra Leone gained 1,885,203 people (a 26.2% growth), while Singapore's population increased by 560,162 people (a 9.99% growth).

Sierra Leone was ranked 105th most populous country in 2006 and is 100th in 2026. Singapore was ranked 117th in 2006 and ranked 113th now.

The UN's World Population Prospects forecasts that in 24 years (in 2050) Sierra Leone's population will grow by 43.1% to 13,006,688 people with a rank change from 100th to 91st. The population of Singapore will increase by 3.12% to 6,359,963 people and rank change from 113th to 117th.

Sierra Leone is projected to reach its peak in 2093 at 16.2M people compared to the peak of 6.47M people in 2040 for Singapore.

Population growth rate by year

Sierra Leone
Factual

Projection
Singapore
Factual

Projection
1x
Year Growth rate
Sierra Leone Singapore
2100 -0.09% -0.99%
2099 -0.08% -1.07%
2098 -0.09% -1.08%
2097 -0.07% -1.11%
2096 -0.05% -1.12%
2095 0.002% -1.17%
2094 -0.03% -1.13%
2093 0.02% -1.11%
2092 0.04% -1.18%
2091 0.06% -1.18%
2090 0.07% -1.23%
2089 0.09% -1.16%
2088 0.1% -1.17%
2087 0.17% -1.18%
2086 0.13% -1.14%
2085 0.15% -1.09%
2084 0.21% -1.09%
2083 0.23% -1.08%
2082 0.25% -1.05%
2081 0.24% -1%
2080 0.26% -0.98%
2079 0.31% -0.9%
2078 0.32% -0.85%
2077 0.35% -0.77%
2076 0.38% -0.83%
2075 0.35% -0.79%
2074 0.44% -0.67%
2073 0.45% -0.61%
2072 0.47% -0.58%
2071 0.51% -0.53%
2070 0.53% -0.55%
2069 0.59% -0.52%
2068 0.64% -0.48%
2067 0.65% -0.55%
2066 0.66% -0.52%
2065 0.66% -0.44%
2064 0.67% -0.37%
2063 0.77% -0.4%
2062 0.73% -0.38%
2061 0.79% -0.41%
2060 0.79% -0.34%
2059 0.84% -0.36%
2058 0.86% -0.29%
2057 0.9% -0.29%
2056 0.95% -0.3%
2055 0.93% -0.34%
2054 1.01% -0.26%
2053 1.06% -0.2%
2052 1.12% -0.27%
2051 1.12% -0.29%
2050 1.11% -0.27%
2049 1.19% -0.21%
2048 1.16% -0.28%
2047 1.26% -0.22%
2046 1.28% -0.19%
2045 1.37% -0.2%
2044 1.35% -0.12%
2043 1.37% -0.11%
2042 1.44% -0.09%
2041 1.5% -0.02%
2040 1.5% 0.05%
2039 1.47% 0.14%
2038 1.54% 0.18%
2037 1.59% 0.19%
2036 1.65% 0.26%
2035 1.65% 0.35%
2034 1.69% 0.43%
2033 1.78% 0.43%
2032 1.81% 0.46%
2031 1.81% 0.44%
2030 1.85% 0.47%
2029 1.83% 0.56%
2028 1.97% 0.58%
2027 1.98% 0.56%
2026 2.03% 0.63%
2025 2.06% 1.23%
2024 2.15% 2.01%
2023 2.22% 4.98%
2022 2.25% 3.36%
2021 2.3% -4.08%
2020 2.34% -0.31%
2019 2.35% 1.15%
2018 2.38% 0.47%
2017 2.41% 0.09%
2016 2.38% 1.31%
2015 2.35% 1.19%
2014 2.42% 1.31%
2013 2.49% 1.63%
2012 2.56% 2.48%
2011 2.64% 2.11%
2010 2.76% 1.79%
2009 2.73% 3.06%
2008 2.53% 5.47%
2007 2.22% 4.25%
2006 2.23% 3.18%
2005 2.73% 2.38%
2004 3.44% 1.26%
2003 4.15% -1.46%
2002 5.94% 0.92%
2001 6.08% 2.73%
2000 2.44% 1.75%
1999 0.52% 0.8%
1998 0.99% 3.46%
1997 1.3% 3.41%
1996 0.48% 4.15%
1995 0.15% 3.08%
1994 0.38% 3.19%
1993 -0.22% 2.56%
1992 -1.88% 3.05%
1991 1.18% 2.89%
1990 4.04% 3.97%
1989 2.53% 2.98%
1988 2.74% 2.57%
1987 2.72% 1.52%
1986 2.47% -0.09%
1985 2.24% 0.14%
1984 2.21% 1.91%
1983 2.16% 1.31%
1982 2.07% 4.49%
1981 2.04% 4.93%
1980 2.01% 1.28%
1979 1.97% 1.27%
1978 1.95% 1.22%
1977 1.87% 1.4%
1976 1.82% 1.36%
1975 1.86% 1.47%
1974 1.87% 1.68%
1973 1.87% 1.89%
1972 1.85% 1.87%
1971 1.88% 1.85%
1970 1.91% 1.57%
1969 1.91% 1.52%
1968 1.92% 1.74%
1967 1.9% 2.23%
1966 1.86% 2.52%
1965 1.83% 2.46%
1964 1.77% 2.6%
1963 1.71% 2.56%
1962 1.65% 2.81%
1961 1.58% 3.4%

Data sources: United Nations | World Population Prospects (2026–2100, retrieved 2026-07-08); World Bank | Health (1961–2025, retrieved 2026-07-08).

GeoRank.org/population/sierra-leone/singapore | CC BY

In 2025, the population of Sierra Leone grew by 2.06%, while Singapore's population grew by 1.23%.

Live population counters

Sierra Leone Singapore
Current population
9090531
6167445
Population rank 100/197 113/197
Percent of world population 0.11% 0.07%
One net population change
2.96 minutes
7.09 minutes
One birth every
2.02 minutes
11.8 minutes
One death every
7.41 minutes
14.5 minutes
Daily growth/decline +487 +204
Annual growth/decline +177,772 +74,315
Annual growth/decline rate +2.06% +1.23%
Population growth rate rank 47/197 83/197
One migration net change every
46.6 minutes
31.2 minutes
Annual migration change -11,309 +16,892
Net migration rank 136/196 36/196
Foreign-born residents 49,997 2,841,665
Foreign-born residents rank 151/195 26/195
Foreign-born share of population 0.6% 48.7%
Foreign-born share rank 174/195 9/195

Natural population change vs migration

Sierra Leone
Natural

Migration
Singapore
Natural

Migration
1x
Year Population change
Sierra Leone Singapore
Natural Migration Natural Migration
2025 - -11,309 - 16,892
2024 189,234 -11,000 8,451 20,011
2023 188,788 -4,000 7,101 26,996
2022 186,625 -4,000 9,019 214,842
2021 183,326 -1,544 15,270 -44,030
2020 181,015 1,292 18,763 -145,556
2019 181,068 -2,238 21,674 870
2018 178,772 -2,741 21,427 21,820
2017 173,259 1,234 21,888 -8,880
2016 168,784 4,657 25,794 13,737
2015 162,275 -356 27,121 41,852
2014 160,137 485 27,896 40,154
2013 161,265 2,773 25,376 52,176
2012 160,915 988 29,750 78,501
2011 158,858 6,895 25,919 89,856
2010 155,338 7,983 24,876 72,571
2009 152,669 18,145 27,930 95,841
2008 149,855 1,182 28,068 176,182
2007 145,740 -6,042 26,614 192,292
2006 144,127 -34,052 25,968 135,625
2005 137,234 -1,805 24,741 92,023
2004 132,661 23,897 24,583 50,487
2003 130,312 69,185 24,689 -30,012
2002 126,429 86,578 29,231 -40,023
2001 116,647 227,791 31,035 45,027
2000 110,754 83,013 37,057 55,218
1999 102,295 -84,926 32,857 19,681
1998 103,906 -76,766 33,381 51,905
1997 105,433 -48,437 37,960 95,241
1996 104,140 -52,110 38,542 102,018
1995 100,885 -112,857 38,065 91,947
1994 101,486 -77,371 39,319 71,170
1993 103,317 -95,476 40,425 58,820
1992 103,251 -129,565 39,091 54,359
1991 105,477 -238,965 39,188 57,821
1990 100,778 131,587 41,136 66,950
1989 98,298 -5,079 36,929 68,031
1988 96,344 9,470 42,407 40,976
1987 94,235 9,558 33,020 25,411
1986 90,902 7,992 27,880 -7,858
1985 88,869 -7,873 32,010 -31,036
1984 87,072 -8,708 31,967 -4,396
1983 84,628 -8,783 30,296 11,699
1982 82,457 -11,379 33,346 41,568
1981 80,111 -12,699 32,167 85,869
1980 77,932 -11,641 30,657 42,433
1979 75,992 -13,095 28,363 -2,384
1978 74,130 -13,073 27,537 436
1977 71,663 -12,399 26,508 2,757
1976 69,506 -15,686 31,189 949
1975 67,560 -13,058 28,509 4,104
1974 65,357 -11,473 31,664 2,748
1973 62,443 -9,322 36,404 -495
1972 60,279 -8,267 38,098 -1,631
1971 58,484 -8,162 35,708 573
1970 56,513 -4,957 35,059 4,024
1969 54,768 -4,485 34,314 6,763
1968 53,126 -3,743 36,216 6,792
1967 51,734 -2,819 40,145 6,006
1966 49,486 -2,911 44,298 3,507
1965 47,223 -1,851 45,474 4,199
1964 45,487 -2,308 47,697 3,043
1963 43,569 -2,480 49,542 2,668
1962 41,603 -2,658 48,830 3,714
1961 40,022 -2,947 49,880 3,490
1960 38,192 -3,528 51,533 2,008

Data sources: World Bank | Health (1960–2025, retrieved 2026-07-08).

GeoRank.org/population/sierra-leone/singapore | CC BY

Over the last 10 years, 99% of the population change in Sierra Leone is from natural causes (a gain of 1,793,146 people) and 1.03% is from migration (a loss of 18,696 people). In Singapore 55.5% is from natural causes (a gain of 176,508 people) and 44.5% is from migration (a gain of 141,662 people).

As of 2024, 49,997 residents or 0.6% of the population were not native-born in Sierra Leone, compared to 2,841,665 people or 48.7% in Singapore.

Biggest cities by population

Sierra Leone
City Population
Freetown 951K
Bo 234K
Kenema 188K
Singapore
City Population
Singapore 5.87M

Compare countries by 7 more topics

Population map with other countries

1x

Data sources: World Bank | Health (1960–2025, retrieved 2026-07-08); United Nations | World Population Prospects (1960–2026, retrieved 2026-07-08); U.S. Census Bureau (1960–2025, retrieved 2026-07-08); Central Intelligence Agency (CIA) (2000–2019, retrieved 2026-07-08).

GeoRank.org/population/sierra-leone/singapore | CC BY

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Data sources:

  1. World Bank | Health (1960–2025, retrieved 2026-07-08)
  2. United Nations | World Population Prospects (1960–2100, retrieved 2026-07-08)
  3. U.S. Census Bureau (1960–2025, retrieved 2026-07-08)
  4. Central Intelligence Agency (CIA) (2000–2019, retrieved 2026-07-08)
  5. Wikidata (2026, retrieved 2026-07-08)

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