Skip to content

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

Updated on by Georank

The latest officially reported population of Sierra Leone was 8,819,794 in 2025 vs 7,618,847 people in Turkmenistan in 2025. In 2026, based on the adjusted UN estimation, the current Sierra Leone's population is 9,090,531 people compared to 7,800,189 in Turkmenistan.

Population statistics:

  • Sierra Leone's population is 1.17 times bigger than Turkmenistan's.
  • Sierra Leone is ranked the 100th most populous country in the world, while Turkmenistan is the 104th.
  • The countries together account for 0.2% of the world: 0.11% for Sierra Leone vs 0.09% for Turkmenistan.
  • For the last 10 years, Sierra Leone has had an average growth rate of +2.29% per year vs +2.08% in Turkmenistan.
  • Since 2006, the population of Sierra Leone has increased from 5.62M people to 9.09M (61.6% growth), while Turkmenistan has grown from 5.15M to 7.8M (51.5% growth).

Sierra Leone vs Turkmenistan: population by year and forecast

Sierra Leone
Factual

Projection
Turkmenistan
Factual

Projection
1x
Year Population
Sierra Leone Turkmenistan
2100 16,107,087 10,041,228
2099 16,121,940 10,070,007
2098 16,135,035 10,097,571
2097 16,149,905 10,123,813
2096 16,160,672 10,148,560
2095 16,169,304 10,172,371
2094 16,168,902 10,194,567
2093 16,173,609 10,215,533
2092 16,170,778 10,235,132
2091 16,163,901 10,253,189
2090 16,154,165 10,270,414
2089 16,142,526 10,285,963
2088 16,128,775 10,300,439
2087 16,112,585 10,313,629
2086 16,085,549 10,325,212
2085 16,064,212 10,335,299
2084 16,040,563 10,343,821
2083 16,006,923 10,350,710
2082 15,970,872 10,356,526
2081 15,930,880 10,360,689
2080 15,892,665 10,363,394
2079 15,850,728 10,364,229
2078 15,801,450 10,363,113
2077 15,750,408 10,360,467
2076 15,695,310 10,356,079
2075 15,635,345 10,349,863
2074 15,580,279 10,342,496
2073 15,512,655 10,333,532
2072 15,442,481 10,322,776
2071 15,370,747 10,310,748
2070 15,293,426 10,297,702
2069 15,212,664 10,283,723
2068 15,124,069 10,268,779
2067 15,028,190 10,252,681
2066 14,931,295 10,235,535
2065 14,833,794 10,217,603
2064 14,736,872 10,198,228
2063 14,638,180 10,177,447
2062 14,525,736 10,155,121
2061 14,420,068 10,131,160
2060 14,307,451 10,105,616
2059 14,194,972 10,077,893
2058 14,077,124 10,047,185
2057 13,957,197 10,013,846
2056 13,832,494 9,977,699
2055 13,702,508 9,938,273
2054 13,576,231 9,895,840
2053 13,440,929 9,849,324
2052 13,299,910 9,799,331
2051 13,152,910 9,745,673
2050 13,006,688 9,688,197
2049 12,863,637 9,627,119
2048 12,712,671 9,562,502
2047 12,566,944 9,494,734
2046 12,411,042 9,423,990
2045 12,254,651 9,350,870
2044 12,088,895 9,275,707
2043 11,928,393 9,199,229
2042 11,767,372 9,121,705
2041 11,599,942 9,043,208
2040 11,428,331 8,964,374
2039 11,259,845 8,885,167
2038 11,097,180 8,805,836
2037 10,928,754 8,726,399
2036 10,757,928 8,646,796
2035 10,582,918 8,567,354
2034 10,411,088 8,487,651
2033 10,238,503 8,407,327
2032 10,059,929 8,326,172
2031 9,881,109 8,243,436
2030 9,705,485 8,158,380
2029 9,529,493 8,065,431
2028 9,358,412 7,964,546
2027 9,177,288 7,856,302
2026 8,998,902 7,740,924
2025 8,819,794 7,618,847
2024 8,642,022 7,494,498
2023 8,460,512 7,364,438
2022 8,276,807 7,230,193
2021 8,094,602 7,092,043
2020 7,912,558 6,949,912
2019 7,731,991 6,803,944
2018 7,554,563 6,655,524
2017 7,379,299 6,507,061
2016 7,205,328 6,360,041
2015 7,037,655 6,215,770
2014 6,876,385 6,075,283
2013 6,714,051 5,939,341
2012 6,551,080 5,808,546
2011 6,387,251 5,683,417
2010 6,222,714 5,564,356
2009 6,055,646 5,451,592
2008 5,894,722 5,345,029
2007 5,749,352 5,244,046
2006 5,624,466 5,147,105
2005 5,501,712 5,052,257
2004 5,355,717 4,958,093
2003 5,177,687 4,863,865
2002 4,971,435 4,769,465
2001 4,692,716 4,675,409
2000 4,423,611 4,582,677
1999 4,318,043 4,492,170
1998 4,295,785 4,410,507
1997 4,253,716 4,336,730
1996 4,199,210 4,263,819
1995 4,179,179 4,191,203
1994 4,173,105 4,116,662
1993 4,157,130 4,032,407
1992 4,166,366 3,944,689
1991 4,246,267 3,855,894
1990 4,196,828 3,760,562
1989 4,034,037 3,662,459
1988 3,934,517 3,559,363
1987 3,829,718 3,452,731
1986 3,728,380 3,347,809
1985 3,638,438 3,247,534
1984 3,558,758 3,154,079
1983 3,481,646 3,067,534
1982 3,408,183 2,985,557
1981 3,338,940 2,907,187
1980 3,272,089 2,832,203
1979 3,207,499 2,760,358
1978 3,145,517 2,691,088
1977 3,085,354 2,623,948
1976 3,028,820 2,558,521
1975 2,974,657 2,494,570
1974 2,920,459 2,432,028
1973 2,866,955 2,370,919
1972 2,814,388 2,311,430
1971 2,763,222 2,253,119
1970 2,712,286 2,195,616
1969 2,661,365 2,139,024
1968 2,611,532 2,083,069
1967 2,562,384 2,027,403
1966 2,514,638 1,971,737
1965 2,468,666 1,915,916
1964 2,424,390 1,859,997
1963 2,382,258 1,804,272
1962 2,342,242 1,749,214
1961 2,304,227 1,695,400
1960 2,268,356 1,643,457

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/turkmenistan | CC BY

From 2006 to 2016, the population of Sierra Leone increased by 1,580,862 people (a 28.1% growth), while Turkmenistan gained 1,212,936 people (a 23.6% growth).

For the next 10 years, from 2016 to 2026, Sierra Leone gained 1,885,203 people (a 26.2% growth), while Turkmenistan's population increased by 1,440,148 people (a 22.6% growth).

Sierra Leone was ranked 105th most populous country in 2006 and is 100th in 2026. Turkmenistan was ranked 113th in 2006 and ranked 104th 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 Turkmenistan will increase by 24.2% to 9,688,197 people and rank change from 104th to 101st.

Sierra Leone is projected to reach its peak in 2093 at 16.2M people compared to the peak of 10.4M people in 2079 for Turkmenistan.

Population growth rate by year

Sierra Leone
Factual

Projection
Turkmenistan
Factual

Projection
1x
Year Growth rate
Sierra Leone Turkmenistan
2100 -0.09% -0.29%
2099 -0.08% -0.27%
2098 -0.09% -0.26%
2097 -0.07% -0.24%
2096 -0.05% -0.23%
2095 0.002% -0.22%
2094 -0.03% -0.21%
2093 0.02% -0.19%
2092 0.04% -0.18%
2091 0.06% -0.17%
2090 0.07% -0.15%
2089 0.09% -0.14%
2088 0.1% -0.13%
2087 0.17% -0.11%
2086 0.13% -0.1%
2085 0.15% -0.08%
2084 0.21% -0.07%
2083 0.23% -0.06%
2082 0.25% -0.04%
2081 0.24% -0.03%
2080 0.26% -0.008%
2079 0.31% 0.01%
2078 0.32% 0.03%
2077 0.35% 0.04%
2076 0.38% 0.06%
2075 0.35% 0.07%
2074 0.44% 0.09%
2073 0.45% 0.1%
2072 0.47% 0.12%
2071 0.51% 0.13%
2070 0.53% 0.14%
2069 0.59% 0.15%
2068 0.64% 0.16%
2067 0.65% 0.17%
2066 0.66% 0.18%
2065 0.66% 0.19%
2064 0.67% 0.2%
2063 0.77% 0.22%
2062 0.73% 0.24%
2061 0.79% 0.25%
2060 0.79% 0.28%
2059 0.84% 0.31%
2058 0.86% 0.33%
2057 0.9% 0.36%
2056 0.95% 0.4%
2055 0.93% 0.43%
2054 1.01% 0.47%
2053 1.06% 0.51%
2052 1.12% 0.55%
2051 1.12% 0.59%
2050 1.11% 0.63%
2049 1.19% 0.68%
2048 1.16% 0.71%
2047 1.26% 0.75%
2046 1.28% 0.78%
2045 1.37% 0.81%
2044 1.35% 0.83%
2043 1.37% 0.85%
2042 1.44% 0.87%
2041 1.5% 0.88%
2040 1.5% 0.89%
2039 1.47% 0.9%
2038 1.54% 0.91%
2037 1.59% 0.92%
2036 1.65% 0.93%
2035 1.65% 0.94%
2034 1.69% 0.96%
2033 1.78% 0.97%
2032 1.81% 1%
2031 1.81% 1.04%
2030 1.85% 1.15%
2029 1.83% 1.27%
2028 1.97% 1.38%
2027 1.98% 1.49%
2026 2.03% 1.6%
2025 2.06% 1.66%
2024 2.15% 1.77%
2023 2.22% 1.86%
2022 2.25% 1.95%
2021 2.3% 2.05%
2020 2.34% 2.15%
2019 2.35% 2.23%
2018 2.38% 2.28%
2017 2.41% 2.31%
2016 2.38% 2.32%
2015 2.35% 2.31%
2014 2.42% 2.29%
2013 2.49% 2.25%
2012 2.56% 2.2%
2011 2.64% 2.14%
2010 2.76% 2.07%
2009 2.73% 1.99%
2008 2.53% 1.93%
2007 2.22% 1.88%
2006 2.23% 1.88%
2005 2.73% 1.9%
2004 3.44% 1.94%
2003 4.15% 1.98%
2002 5.94% 2.01%
2001 6.08% 2.02%
2000 2.44% 2.01%
1999 0.52% 1.85%
1998 0.99% 1.7%
1997 1.3% 1.71%
1996 0.48% 1.73%
1995 0.15% 1.81%
1994 0.38% 2.09%
1993 -0.22% 2.22%
1992 -1.88% 2.3%
1991 1.18% 2.54%
1990 4.04% 2.68%
1989 2.53% 2.9%
1988 2.74% 3.09%
1987 2.72% 3.13%
1986 2.47% 3.09%
1985 2.24% 2.96%
1984 2.21% 2.82%
1983 2.16% 2.75%
1982 2.07% 2.7%
1981 2.04% 2.65%
1980 2.01% 2.6%
1979 1.97% 2.57%
1978 1.95% 2.56%
1977 1.87% 2.56%
1976 1.82% 2.56%
1975 1.86% 2.57%
1974 1.87% 2.58%
1973 1.87% 2.57%
1972 1.85% 2.59%
1971 1.88% 2.62%
1970 1.91% 2.65%
1969 1.91% 2.69%
1968 1.92% 2.75%
1967 1.9% 2.82%
1966 1.86% 2.91%
1965 1.83% 3.01%
1964 1.77% 3.09%
1963 1.71% 3.15%
1962 1.65% 3.17%
1961 1.58% 3.16%

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/turkmenistan | CC BY

In 2025, the population of Sierra Leone grew by 2.06%, while Turkmenistan's population grew by 1.66%.

Live population counters

Sierra Leone Turkmenistan
Current population
9090531
7800189
Population rank 100/197 104/197
Percent of world population 0.11% 0.09%
One net population change
2.96 minutes
4.24 minutes
One birth every
2.02 minutes
3.35 minutes
One death every
7.41 minutes
12 minutes
Daily growth/decline +487 +341
Annual growth/decline +177,772 +124,349
Annual growth/decline rate +2.06% +1.66%
Population growth rate rank 47/197 63/197
One migration net change every
46.6 minutes
39.7 minutes
Annual migration change -11,309 +13,268
Net migration rank 136/196 39/196
Foreign-born residents 49,997 193,763
Foreign-born residents rank 151/195 115/195
Foreign-born share of population 0.6% 2.6%
Foreign-born share rank 174/195 125/195

Natural population change vs migration

Sierra Leone
Natural

Migration
Turkmenistan
Natural

Migration
1x
Year Population change
Sierra Leone Turkmenistan
Natural Migration Natural Migration
2025 - -11,309 - 13,268
2024 189,234 -11,000 112,942 14,646
2023 188,788 -4,000 117,529 15,005
2022 186,625 -4,000 121,814 14,141
2021 183,326 -1,544 122,721 17,617
2020 181,015 1,292 124,014 19,913
2019 181,068 -2,238 128,275 19,735
2018 178,772 -2,741 129,537 19,293
2017 173,259 1,234 131,417 16,678
2016 168,784 4,657 132,581 13,365
2015 162,275 -356 132,663 9,936
2014 160,137 485 129,677 8,696
2013 161,265 2,773 126,217 7,287
2012 160,915 988 120,957 7,125
2011 158,858 6,895 115,197 6,992
2010 155,338 7,983 109,318 6,621
2009 152,669 18,145 102,931 6,656
2008 149,855 1,182 96,815 6,734
2007 145,740 -6,042 92,038 6,388
2006 144,127 -34,052 87,840 7,613
2005 137,234 -1,805 83,968 10,263
2004 132,661 23,897 79,850 14,242
2003 130,312 69,185 76,737 17,625
2002 126,429 86,578 75,639 18,803
2001 116,647 227,791 76,682 16,982
2000 110,754 83,013 76,875 14,925
1999 102,295 -84,926 76,362 12,859
1998 103,906 -76,766 77,342 -3,239
1997 105,433 -48,437 79,045 -5,600
1996 104,140 -52,110 80,996 -8,627
1995 100,885 -112,857 86,289 -13,423
1994 101,486 -77,371 89,319 -13,094
1993 103,317 -95,476 92,596 -312
1992 103,251 -129,565 96,668 -13,517
1991 105,477 -238,965 99,297 -4,864
1990 100,778 131,587 101,099 -4,864
1989 98,298 -5,079 103,553 -3,576
1988 96,344 9,470 104,802 1,408
1987 94,235 9,558 103,885 3,161
1986 90,902 7,992 100,930 1,878
1985 88,869 -7,873 95,890 1,861
1984 87,072 -8,708 90,591 -1,427
1983 84,628 -8,783 85,183 -1,264
1982 82,457 -11,379 80,989 -961
1981 80,111 -12,699 77,829 -1,102
1980 77,932 -11,641 74,394 -1,152
1979 75,992 -13,095 71,135 -677
1978 74,130 -13,073 68,437 -350
1977 71,663 -12,399 66,318 -132
1976 69,506 -15,686 64,513 160
1975 67,560 -13,058 62,681 550
1974 65,357 -11,473 60,925 924
1973 62,443 -9,322 59,169 1,194
1972 60,279 -8,267 57,326 1,293
1971 58,484 -8,162 56,666 1,348
1970 56,513 -4,957 55,617 1,376
1969 54,768 -4,485 54,791 1,397
1968 53,126 -3,743 54,324 1,401
1967 51,734 -2,819 54,209 1,397
1966 49,486 -2,911 54,353 1,377
1965 47,223 -1,851 54,558 1,366
1964 45,487 -2,308 54,574 1,340
1963 43,569 -2,480 54,203 1,332
1962 41,603 -2,658 53,248 1,337
1961 40,022 -2,947 51,659 1,372
1960 38,192 -3,528 49,436 1,421

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

GeoRank.org/population/sierra-leone/turkmenistan | 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 Turkmenistan 88.7% is from natural causes (a gain of 1,253,493 people) and 11.3% is from migration (a gain of 160,329 people).

As of 2024, 49,997 residents or 0.6% of the population were not native-born in Sierra Leone, compared to 193,763 people or 2.6% in Turkmenistan.

Biggest cities by population

Sierra Leone
City Population
Freetown 951K
Bo 234K
Kenema 188K
Turkmenistan
City Population
Ashgabat 1.03M
Turkmenabat 231K
Dasoguz 227K
Mary 126K
Anau 29.6K
Baherden 24.7K

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/turkmenistan | CC BY

Help us show the world through your eyes

Share a photo of your city and help others discover what it looks like to live there. Your contribution makes our data come alive.

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)

Creative Commons Attribution (CC BY) — you’re free to copy, share, remix, adapt, and use even commercially as long as you give appropriate credit and clearly indicate if you made changes. Other sources may be subject to different license terms.