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

Updated on by Georank team

The latest officially reported population of Sierra Leone was 8,642,022 in 2024 vs 10,590,927 people in Tajikistan in 2024. In 2026, based on the adjusted UN estimation, the current Sierra Leone's population is 9,049,533 people compared to 11,038,274 in Tajikistan.

Population statistics:

  • Tajikistan's population is 1.22 times bigger than Sierra Leone's.
  • Sierra Leone is ranked the 101st most populous country in the world, while Tajikistan is the 88th.
  • The countries together account for 0.24% of the world: 0.11% for Sierra Leone vs 0.13% for Tajikistan.
  • For the last 10 years, Sierra Leone has had an average growth rate of +2.32% per year vs +2.33% in Tajikistan.
  • Since 2006, the population of Sierra Leone has increased from 5.62M people to 9.05M (60.9% growth), while Tajikistan has grown from 7.06M to 11M (56.4% growth).

Sierra Leone vs Tajikistan: population by year and forecast

Sierra Leone
Factual

Projection
Tajikistan
Factual

Projection
1x
Year Population
Sierra Leone Tajikistan
2100 16,111,324 20,390,053
2099 16,126,181 20,381,074
2098 16,139,280 20,367,161
2097 16,154,153 20,348,897
2096 16,164,923 20,324,869
2095 16,173,557 20,297,885
2094 16,173,155 20,265,966
2093 16,177,864 20,234,160
2092 16,175,032 20,192,937
2091 16,168,153 20,148,873
2090 16,158,415 20,103,798
2089 16,146,773 20,056,079
2088 16,133,018 20,005,521
2087 16,116,823 19,950,317
2086 16,089,780 19,895,606
2085 16,068,438 19,836,988
2084 16,044,782 19,773,272
2083 16,011,134 19,706,082
2082 15,975,073 19,639,516
2081 15,935,071 19,572,596
2080 15,896,846 19,499,390
2079 15,854,898 19,425,502
2078 15,805,607 19,347,261
2077 15,754,551 19,265,447
2076 15,699,439 19,175,355
2075 15,639,458 19,083,859
2074 15,584,377 18,988,290
2073 15,516,736 18,889,470
2072 15,446,543 18,785,103
2071 15,374,790 18,674,697
2070 15,297,449 18,559,138
2069 15,216,666 18,437,873
2068 15,128,048 18,315,011
2067 15,032,144 18,187,508
2066 14,935,222 18,054,404
2065 14,837,697 17,921,674
2064 14,740,749 17,783,801
2063 14,642,031 17,641,066
2062 14,529,557 17,498,306
2061 14,423,861 17,356,130
2060 14,311,215 17,206,922
2059 14,198,706 17,056,085
2058 14,080,827 16,903,532
2057 13,960,869 16,749,284
2056 13,836,132 16,595,691
2055 13,706,113 16,441,650
2054 13,579,802 16,285,520
2053 13,444,465 16,130,235
2052 13,303,409 15,967,770
2051 13,156,370 15,805,253
2050 13,010,109 15,638,613
2049 12,867,021 15,468,883
2048 12,716,015 15,292,499
2047 12,570,250 15,112,083
2046 12,414,307 14,928,123
2045 12,257,874 14,739,540
2044 12,092,075 14,544,544
2043 11,931,531 14,349,357
2042 11,770,467 14,147,892
2041 11,602,993 13,945,694
2040 11,431,337 13,741,587
2039 11,262,807 13,536,704
2038 11,100,099 13,331,490
2037 10,931,629 13,125,051
2036 10,760,758 12,917,110
2035 10,585,702 12,714,184
2034 10,413,826 12,515,962
2033 10,241,196 12,321,294
2032 10,062,575 12,128,060
2031 9,883,708 11,938,351
2030 9,708,038 11,749,706
2029 9,532,000 11,559,235
2028 9,360,873 11,369,414
2027 9,179,702 11,178,605
2026 9,001,269 10,986,242
2025 8,822,114 10,791,246
2024 8,642,022 10,590,927
2023 8,460,512 10,389,799
2022 8,276,807 10,182,222
2021 8,094,602 9,966,908
2020 7,912,558 9,749,310
2019 7,731,991 9,529,966
2018 7,554,563 9,307,333
2017 7,379,299 9,085,946
2016 7,205,328 8,865,631
2015 7,037,655 8,643,840
2014 6,876,385 8,425,552
2013 6,714,051 8,216,724
2012 6,551,080 8,014,084
2011 6,387,251 7,824,785
2010 6,222,714 7,652,141
2009 6,055,646 7,490,230
2008 5,894,722 7,338,403
2007 5,749,352 7,194,477
2006 5,624,466 7,057,566
2005 5,501,712 6,924,720
2004 5,355,717 6,790,547
2003 5,177,687 6,658,575
2002 4,971,435 6,531,669
2001 4,692,716 6,407,377
2000 4,423,611 6,284,735
1999 4,318,043 6,208,370
1998 4,295,785 6,176,397
1997 4,253,716 6,139,829
1996 4,199,210 6,066,523
1995 4,179,179 5,948,584
1994 4,173,105 5,825,368
1993 4,157,130 5,724,993
1992 4,166,366 5,649,400
1991 4,246,267 5,541,205
1990 4,196,828 5,398,768
1989 4,034,037 5,267,249
1988 3,934,517 5,114,989
1987 3,829,718 4,939,059
1986 3,728,380 4,772,139
1985 3,638,438 4,619,003
1984 3,558,758 4,480,026
1983 3,481,646 4,350,874
1982 3,408,183 4,227,171
1981 3,338,940 4,109,022
1980 3,272,089 3,995,256
1979 3,207,499 3,882,691
1978 3,145,517 3,768,508
1977 3,085,354 3,653,265
1976 3,028,820 3,540,076
1975 2,974,657 3,430,425
1974 2,920,459 3,324,499
1973 2,866,955 3,222,290
1972 2,814,388 3,123,691
1971 2,763,222 3,028,837
1970 2,712,286 2,936,779
1969 2,661,365 2,845,273
1968 2,611,532 2,753,848
1967 2,562,384 2,664,130
1966 2,514,638 2,577,184
1965 2,468,666 2,492,998
1964 2,424,390 2,411,260
1963 2,382,258 2,331,736
1962 2,342,242 2,255,026
1961 2,304,227 2,181,805
1960 2,268,356 2,112,131

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/tajikistan | CC BY

From 2006 to 2016, the population of Sierra Leone increased by 1,580,862 people (a 28.1% growth), while Tajikistan gained 1,808,065 people (a 25.6% growth).

For the next 10 years, from 2016 to 2026, Sierra Leone gained 1,844,205 people (a 25.6% growth), while Tajikistan's population increased by 2,172,643 people (a 24.5% growth).

Sierra Leone was ranked 106th most populous country in 2006 and is 101st in 2026. Tajikistan was ranked 98th in 2006 and ranked 88th 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 Tajikistan will increase by 41.7% to 15,638,613 people and rank change from 88th to 82nd.

Sierra Leone is projected to reach its peak in 2093 at 16.2M people compared to the peak of 20.4M people in 2100 for Tajikistan.

Population growth rate by year

Sierra Leone
Factual

Projection
Tajikistan
Factual

Projection
1x
Year Growth rate
Sierra Leone Tajikistan
2100 -0.09% 0.04%
2099 -0.08% 0.07%
2098 -0.09% 0.09%
2097 -0.07% 0.12%
2096 -0.05% 0.13%
2095 0.002% 0.16%
2094 -0.03% 0.16%
2093 0.02% 0.2%
2092 0.04% 0.22%
2091 0.06% 0.22%
2090 0.07% 0.24%
2089 0.09% 0.25%
2088 0.1% 0.28%
2087 0.17% 0.27%
2086 0.13% 0.3%
2085 0.15% 0.32%
2084 0.21% 0.34%
2083 0.23% 0.34%
2082 0.25% 0.34%
2081 0.24% 0.38%
2080 0.26% 0.38%
2079 0.31% 0.4%
2078 0.32% 0.42%
2077 0.35% 0.47%
2076 0.38% 0.48%
2075 0.35% 0.5%
2074 0.44% 0.52%
2073 0.45% 0.56%
2072 0.47% 0.59%
2071 0.51% 0.62%
2070 0.53% 0.66%
2069 0.59% 0.67%
2068 0.64% 0.7%
2067 0.65% 0.74%
2066 0.66% 0.74%
2065 0.66% 0.78%
2064 0.67% 0.81%
2063 0.77% 0.82%
2062 0.73% 0.82%
2061 0.79% 0.87%
2060 0.79% 0.88%
2059 0.84% 0.9%
2058 0.86% 0.92%
2057 0.9% 0.93%
2056 0.95% 0.94%
2055 0.93% 0.96%
2054 1.01% 0.96%
2053 1.06% 1.02%
2052 1.12% 1.03%
2051 1.12% 1.07%
2050 1.11% 1.1%
2049 1.19% 1.15%
2048 1.16% 1.19%
2047 1.26% 1.23%
2046 1.28% 1.28%
2045 1.37% 1.34%
2044 1.35% 1.36%
2043 1.37% 1.42%
2042 1.44% 1.45%
2041 1.5% 1.49%
2040 1.5% 1.51%
2039 1.47% 1.54%
2038 1.54% 1.57%
2037 1.59% 1.61%
2036 1.65% 1.6%
2035 1.65% 1.58%
2034 1.69% 1.58%
2033 1.78% 1.59%
2032 1.81% 1.59%
2031 1.81% 1.61%
2030 1.85% 1.65%
2029 1.83% 1.67%
2028 1.97% 1.71%
2027 1.98% 1.75%
2026 2.03% 1.81%
2025 2.08% 1.89%
2024 2.15% 1.94%
2023 2.22% 2.04%
2022 2.25% 2.16%
2021 2.3% 2.23%
2020 2.34% 2.3%
2019 2.35% 2.39%
2018 2.38% 2.44%
2017 2.41% 2.49%
2016 2.38% 2.57%
2015 2.35% 2.59%
2014 2.42% 2.54%
2013 2.49% 2.53%
2012 2.56% 2.42%
2011 2.64% 2.26%
2010 2.76% 2.16%
2009 2.73% 2.07%
2008 2.53% 2%
2007 2.22% 1.94%
2006 2.23% 1.92%
2005 2.73% 1.98%
2004 3.44% 1.98%
2003 4.15% 1.94%
2002 5.94% 1.94%
2001 6.08% 1.95%
2000 2.44% 1.23%
1999 0.52% 0.52%
1998 0.99% 0.6%
1997 1.3% 1.21%
1996 0.48% 1.98%
1995 0.15% 2.12%
1994 0.38% 1.75%
1993 -0.22% 1.34%
1992 -1.88% 1.95%
1991 1.18% 2.64%
1990 4.04% 2.5%
1989 2.53% 2.98%
1988 2.74% 3.56%
1987 2.72% 3.5%
1986 2.47% 3.32%
1985 2.24% 3.1%
1984 2.21% 2.97%
1983 2.16% 2.93%
1982 2.07% 2.88%
1981 2.04% 2.85%
1980 2.01% 2.9%
1979 1.97% 3.03%
1978 1.95% 3.15%
1977 1.87% 3.2%
1976 1.82% 3.2%
1975 1.86% 3.19%
1974 1.87% 3.17%
1973 1.87% 3.16%
1972 1.85% 3.13%
1971 1.88% 3.13%
1970 1.91% 3.22%
1969 1.91% 3.32%
1968 1.92% 3.37%
1967 1.9% 3.37%
1966 1.86% 3.38%
1965 1.83% 3.39%
1964 1.77% 3.41%
1963 1.71% 3.4%
1962 1.65% 3.36%
1961 1.58% 3.3%

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/tajikistan | CC BY

In 2024, the population of Sierra Leone grew by 2.15%, while Tajikistan's population grew by 1.94%.

Live population counters

Sierra Leone Tajikistan
Current population
9049533
11038274
Population rank 101/197 88/197
Percent of world population 0.11% 0.13%
One net population change
2.9 minutes
2.61 minutes
One birth every
2.03 minutes
1.94 minutes
One death every
7.5 minutes
11 minutes
Daily growth/decline +497 +551
Annual growth/decline +181,510 +201,128
Annual growth/decline rate +2.15% +1.94%
Population growth rate rank 47/197 55/197
One migration net change every
46.6 minutes
24.4 minutes
Annual migration change -11,309 -21,606
Net migration rank 136/196 152/196
Foreign-born residents 49,997 276,777
Foreign-born residents rank 151/195 101/195
Foreign-born share of population 0.6% 2.6%
Foreign-born share rank 174/195 124/195

Natural population change vs migration

Sierra Leone
Natural

Migration
Tajikistan
Natural

Migration
1x
Year Population change
Sierra Leone Tajikistan
Natural Migration Natural Migration
2025 - -11,309 - -21,606
2024 - -11,000 - -21,236
2023 188,788 -4,000 223,828 -19,999
2022 186,625 -4,000 228,336 -17,001
2021 183,326 -1,544 222,850 -3,564
2020 181,015 1,292 219,467 -3,564
2019 181,068 -2,238 231,817 -9,041
2018 178,772 -2,741 228,597 -6,111
2017 173,259 1,234 224,396 -4,093
2016 168,784 4,657 228,547 -8,210
2015 162,275 -356 230,903 -7,660
2014 160,137 485 227,304 -13,962
2013 161,265 2,773 220,693 -16,362
2012 160,915 988 213,078 -12,132
2011 158,858 6,895 208,429 -30,783
2010 155,338 7,983 201,389 -33,733
2009 152,669 18,145 192,851 -36,677
2008 149,855 1,182 182,337 -34,855
2007 145,740 -6,042 173,200 -32,831
2006 144,127 -34,052 164,046 -30,591
2005 137,234 -1,805 160,189 -27,954
2004 132,661 23,897 161,201 -25,082
2003 130,312 69,185 150,391 -22,562
2002 126,429 86,578 146,492 -20,526
2001 116,647 227,791 142,276 -19,657
2000 110,754 83,013 136,549 -13,871
1999 102,295 -84,926 147,622 -117,571
1998 103,906 -76,766 153,508 -119,621
1997 105,433 -48,437 149,825 -110,572
1996 104,140 -52,110 138,287 -30,922
1995 100,885 -112,857 168,934 -40,418
1994 101,486 -77,371 167,590 -49,668
1993 103,317 -95,476 157,975 -75,147
1992 103,251 -129,565 163,652 -95,280
1991 105,477 -238,965 177,585 -29,553
1990 100,778 131,587 178,429 -41,596
1989 98,298 -5,079 179,212 -53,020
1988 96,344 9,470 172,805 5,523
1987 94,235 9,558 163,611 9,923
1986 90,902 7,992 155,987 4,321
1985 88,869 -7,873 145,720 247
1984 87,072 -8,708 139,145 -7,152
1983 84,628 -8,783 133,280 -6,972
1982 82,457 -11,379 127,838 -6,730
1981 80,111 -12,699 121,418 -6,221
1980 77,932 -11,641 117,888 -5,557
1979 75,992 -13,095 114,496 -1,703
1978 74,130 -13,073 110,564 5,006
1977 71,663 -12,399 106,920 7,999
1976 69,506 -15,686 103,777 7,679
1975 67,560 -13,058 100,604 7,237
1974 65,357 -11,473 97,481 6,531
1973 62,443 -9,322 94,523 5,876
1972 60,279 -8,267 91,677 5,123
1971 58,484 -8,162 88,618 4,293
1970 56,513 -4,957 85,645 5,559
1969 54,768 -4,485 82,931 8,886
1968 53,126 -3,743 80,698 10,323
1967 51,734 -2,819 78,733 9,670
1966 49,486 -2,911 76,702 8,796
1965 47,223 -1,851 75,139 7,744
1964 45,487 -2,308 74,030 6,568
1963 43,569 -2,480 73,065 5,379
1962 41,603 -2,658 70,700 4,270
1961 40,022 -2,947 68,182 3,291
1960 38,192 -3,528 65,415 2,457

Data sources: World Bank | Health (1960–2025, retrieved 2026-04-06).

GeoRank.org/population/sierra-leone/tajikistan | 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 Tajikistan 96% is from natural causes (a gain of 2,266,045 people) and 3.95% is from migration (a loss of 93,205 people).

As of 2024, 49,997 residents or 0.6% of the population were not native-born in Sierra Leone, compared to 276,777 people or 2.6% in Tajikistan.

Biggest cities by population

Sierra Leone
City Population
Freetown 951K
Bo 234K
Kenema 188K
Tajikistan
City Population
Dushanbe 948K
Khujand 199K
Qurghonteppa 127K
Istaravshan 64.3K
Konibodom 54.4K
Tursunzoda 46.7K
Panjakent 33K
Buston 29.8K
Ghafurov 18.4K
Istiklol 14.2K

Compare countries by 7 more topics

Population map with other countries

1x

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/tajikistan | CC BY

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Data sources:

  1. World Bank | Health (1960–2025, retrieved 2026-04-06)
  2. United Nations | World Population Prospects (1960–2100, retrieved 2026-03-10)
  3. U.S. Census Bureau (1960–2025, retrieved 2026-02-08)
  4. Central Intelligence Agency (CIA) (2000–2019, retrieved 2026-02-20)
  5. Wikidata (2026, retrieved 2026-02-08)

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