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

Updated on by Georank

The latest officially reported population of Sierra Leone was 8,819,794 in 2025 vs 10,786,734 people in Tajikistan in 2025. In 2026, based on the adjusted UN estimation, the current Sierra Leone's population is 9,090,531 people compared to 11,080,415 in Tajikistan.

Population statistics:

  • Tajikistan's population is 1.22 times bigger than Sierra Leone's.
  • Sierra Leone is ranked the 100th 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 +2.29% per year vs +2.27% in Tajikistan.
  • Since 2006, the population of Sierra Leone has increased from 5.62M people to 9.09M (61.6% growth), while Tajikistan has grown from 7.06M to 11.1M (57% growth).

Sierra Leone vs Tajikistan: population by year and forecast

Sierra Leone
Factual

Projection
Tajikistan
Factual

Projection
1x
Year Population
Sierra Leone Tajikistan
2100 16,107,087 20,381,526
2099 16,121,940 20,372,551
2098 16,135,035 20,358,644
2097 16,149,905 20,340,387
2096 16,160,672 20,316,369
2095 16,169,304 20,289,397
2094 16,168,902 20,257,491
2093 16,173,609 20,225,699
2092 16,170,778 20,184,493
2091 16,163,901 20,140,447
2090 16,154,165 20,095,391
2089 16,142,526 20,047,692
2088 16,128,775 19,997,155
2087 16,112,585 19,941,974
2086 16,085,549 19,887,286
2085 16,064,212 19,828,693
2084 16,040,563 19,765,003
2083 16,006,923 19,697,841
2082 15,970,872 19,631,303
2081 15,930,880 19,564,411
2080 15,892,665 19,491,236
2079 15,850,728 19,417,379
2078 15,801,450 19,339,170
2077 15,750,408 19,257,390
2076 15,695,310 19,167,336
2075 15,635,345 19,075,879
2074 15,580,279 18,980,350
2073 15,512,655 18,881,571
2072 15,442,481 18,777,247
2071 15,370,747 18,666,888
2070 15,293,426 18,551,377
2069 15,212,664 18,430,162
2068 15,124,069 18,307,352
2067 15,028,190 18,179,902
2066 14,931,295 18,046,854
2065 14,833,794 17,914,179
2064 14,736,872 17,776,364
2063 14,638,180 17,633,689
2062 14,525,736 17,490,989
2061 14,420,068 17,348,872
2060 14,307,451 17,199,727
2059 14,194,972 17,048,953
2058 14,077,124 16,896,463
2057 13,957,197 16,742,280
2056 13,832,494 16,588,751
2055 13,702,508 16,434,774
2054 13,576,231 16,278,710
2053 13,440,929 16,123,490
2052 13,299,910 15,961,093
2051 13,152,910 15,798,643
2050 13,006,688 15,632,073
2049 12,863,637 15,462,414
2048 12,712,671 15,286,104
2047 12,566,944 15,105,763
2046 12,411,042 14,921,881
2045 12,254,651 14,733,376
2044 12,088,895 14,538,462
2043 11,928,393 14,343,357
2042 11,767,372 14,141,976
2041 11,599,942 13,939,862
2040 11,428,331 13,735,841
2039 11,259,845 13,531,043
2038 11,097,180 13,325,915
2037 10,928,754 13,119,563
2036 10,757,928 12,911,709
2035 10,582,918 12,708,867
2034 10,411,088 12,510,728
2033 10,238,503 12,316,142
2032 10,059,929 12,122,988
2031 9,881,109 11,933,358
2030 9,705,485 11,744,792
2029 9,529,493 11,554,401
2028 9,358,412 11,364,659
2027 9,177,288 11,173,930
2026 8,998,902 10,981,648
2025 8,819,794 10,786,734
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 (2026–2100, retrieved 2026-07-08); World Bank | Health (1960–2025, retrieved 2026-07-08).

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 1,885,203 people (a 26.2% growth), while Tajikistan's population increased by 2,214,784 people (a 25% growth).

Sierra Leone was ranked 105th most populous country in 2006 and is 100th 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 43.1% to 13,006,688 people with a rank change from 100th to 91st. The population of Tajikistan will increase by 41.1% to 15,632,073 people and rank change from 88th to 83rd.

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 2.06% 1.85%
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 (2026–2100, retrieved 2026-07-08); World Bank | Health (1961–2025, retrieved 2026-07-08).

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

In 2025, the population of Sierra Leone grew by 2.06%, while Tajikistan's population grew by 1.85%.

Live population counters

Sierra Leone Tajikistan
Current population
9090531
11080415
Population rank 100/197 88/197
Percent of world population 0.11% 0.13%
One net population change
2.96 minutes
2.69 minutes
One birth every
2.02 minutes
1.96 minutes
One death every
7.41 minutes
10.8 minutes
Daily growth/decline +487 +536
Annual growth/decline +177,772 +195,807
Annual growth/decline rate +2.06% +1.85%
Population growth rate rank 47/197 58/197
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 189,234 -11,000 219,677 -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 2026-07-08).

GeoRank.org/population/sierra-leone/tajikistan | 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 Tajikistan 95.7% is from natural causes (a gain of 2,258,418 people) and 4.26% is from migration (a loss of 100,479 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 43.8K
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 (1960–2025, 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/tajikistan | 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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