The CIA World Factbook Every edition, 1995 to 2025 Africa
Age structure Sierra Leone, in 31 editions.
The entry for Sierra Leone published Age structure in 31 editions of 36, from 1995 to 2025. The text changed in 27 editions. Each is shown as published. Age structure in every entry.
- editions changed the text
- 27
- the first edition with it
- 1995
- the latest edition with it
- 2025
Published as “Age structure” (1995 to 2025).
field in that editiontext changed from the edition beforenot in that editionthe edition shownChoose an edition on the strip beside the text, or step through them with the arrows. Mark changes compares it with the edition before: the marks are ours, words added and words removed.
2025 edition
Same as 20240-14 years: 44% (female 1,054,826; male 1,020,943)
15-64 years: 53% (female 1,310,506; male 1,216,510)
65 years and over: 3% (female 72,982; male 77,353) (July 1995 est.)
0-14 years: 44% (female 1,054,826; male 1,020,943) 45% (male 1,057,824; female 1,092,291)
15-64 years: 53% (female 1,310,506; male 1,216,510) 52% (male 1,197,547; female 1,298,834)
65 years and over: 3% (female 72,982; male 77,353) (male 75,066; female 71,559) (July 1995 1996 est.)
0-14 years: 45% (male 1,057,824; 1,084,736; female 1,092,291) 1,119,802)
15-64 years: 52% (male 1,197,547; 1,216,111; female 1,298,834) 1,320,847)
65 years and over: 3% (male 75,066; 76,371; female 71,559) 73,679) (July 1996 1997 est.)
0-14 years: 45% (male 1,084,736; 1,130,728; female 1,119,802) 1,167,084)
15-64 years: 52% (male 1,216,111; 1,257,901; female 1,320,847) 1,367,902)
65 years and over: 3% (male 76,371; 79,113; female 73,679) 77,276) (July 1997 1998 est.)
0-14 years: 45% (male 1,130,728; 1,182,181; female 1,167,084) 1,219,956)
15-64 years: 52% (male 1,257,901; 1,307,475; female 1,367,902) 1,423,046)
65 years and over: 3% (male 79,113; 82,374; female 77,276) (July 1998 81,619) (1999 est.)
0-14 years: 45% 44.73% (male 1,182,181; 1,148,264; female 1,219,956) 1,192,533)
15-64 years: 52% 52.16% (male 1,307,475; 1,305,039; female 1,423,046) 1,424,076)
65 years and over: 3% 3.11% (male 82,374; 81,291; female 81,619) (1999 81,421) (2000 est.)
- 0-14 years:
- 44.73% (male 1,190,207; female 1,237,326) 15-64 years: 52.12% (male 1,351,455; female 1,477,155) 65 years and over: 3.15% (male 84,364; female 86,111) (2001 est.)
0-14 years: 44.73% (male 1,148,264; 1,190,207; female 1,192,533)1,237,326) 15-64 years: 52.16% 52.12% (male 1,305,039; 1,351,455; female 1,424,076)1,477,155) 65 years and over: 3.11% 3.15% (male 81,291; 84,364; female 81,421) (2000 86,111) (2001 est.)
0-14 years: 44.73% 44.7% (male 1,190,207; 1,230,530; female 1,237,326) 1,280,084)
15-64 years: 52.12% 52.1% (male 1,351,455; 1,397,070; female 1,477,155) 1,528,986)
65 years and over: 3.15% 3.2% (male 84,364; 87,256; female 86,111) (2001 90,817) (2002 est.)
0-14 years: 44.7% 44.8% (male 1,230,530; 1,259,421; female 1,280,084) 1,310,516)
15-64 years: 52.1% 52% (male 1,397,070; 1,420,900; female 1,528,986) 1,557,597)
65 years and over: 3.2% (male 87,256; 89,078; female 90,817) (2002 95,169) (2003 est.)
0-14 years: 44.8% (male 1,259,421; 1,291,621; female 1,310,516) 1,343,827)
15-64 years: 52% (male 1,420,900; 1,458,610; female 1,557,597) 1,599,109)
65 years and over: 3.2% (male 89,078; 91,232; female 95,169) (2003 99,490) (2004 est.)
0-14 years: 44.8% 44.7% (male 1,291,621; female 1,343,827) 1,318,508/female 1,371,164)
15-64 years: 52% (male 1,458,610; female 1,599,109) 1,494,068/female 1,637,276)
65 years and over: 3.2% 3.3% (male 91,232; female 99,490) (2004 93,047/female 103,580) (2005 est.)
0-14 years: 44.7% 44.8% (male 1,318,508/female 1,371,164) 1,321,563/female 1,370,721)
15-64 years: 52% (male 1,494,068/female 1,637,276) 1,494,502/female 1,625,733)
65 years and over: 3.3% 3.2% (male 93,047/female 103,580) (2005 90,958/female 101,773) (2006 est.)
0-14 years: 44.8% (male 1,321,563/female 1,370,721) 1,349,878/female 1,400,297)
15-64 years: 52% (male 1,494,502/female 1,625,733) 1,531,763/female 1,664,996)
65 years and over: 3.2% (male 90,958/female 101,773) (2006 92,360/female 105,268) (2007 est.)
0-14 years: 44.8% 44.6% (male 1,349,878/female 1,400,297) 1,377,981/female 1,429,993)
15-64 years: 52% 52.2% (male 1,531,763/female 1,664,996) 1,573,990/female 1,708,840)
65 years and over: 3.2% (male 92,360/female 105,268) (2007 94,359/female 109,611) (2008 est.)
0-14 years: 44.6%
44.5% (male 1,377,981/female 1,429,993) 1,407,226/female 1,460,366)
15-64 years:
52.2% (male 1,573,990/female 1,708,840) 1,613,554/female 1,750,250)
65 years and over:
3.2% (male 94,359/female 109,611) (2008 95,533/female 113,124) (2009 est.)
0-14 years:44.5% 41.7% (male 1,407,226/female 1,460,366) 1,060,463/female 1,081,333)
15-64 years:52.2% 54.7% (male 1,613,554/female 1,750,250) 1,344,650/female 1,461,203)
65 years and over:3.2% 3.6% (male 95,533/female 113,124) (2009 83,595/female 100,894) (2010 est.)
0-14 years:41.7% 41.8% (male 1,060,463/female 1,081,333) 1,113,528/female 1,130,112)
15-64 years:54.7% 54.5% (male 1,344,650/female 1,461,203) 1,401,907/female 1,522,335)
65 years and over:3.6% 3.7% (male 83,595/female 100,894) (2010 86,614/female 109,173) (2011 est.)
0-14 years:41.8% 41.9% (male 1,113,528/female 1,130,112) 1,141,091/ female 1,155,542)
15-64 years:
54.5% (male 1,401,907/female 1,522,335) 1,432,837/ female 1,554,853)
65 years and over:
3.7% (male 86,614/female 109,173) (2011 88,127/ female 113,548) (2012 est.)
0-14 years:
41.9% (male 1,141,091/ female 1,155,542) 1,169,343/female 1,181,669)15-64 15-24 years:54.5% 19% (male 1,432,837/ female 1,554,853) 517,107/female 549,500)
25-54 years:
31.4% (male 847,115/female 914,650)
55-64 years:
4% (male 101,069/female 124,673)
65 years and over:
3.7% (male 88,127/ female 113,548) (2012 89,643/female 117,916) (2013 est.)
0-14 years:
41.9% (male 1,169,343/female 1,181,669) 1,198,553/female 1,208,775)
15-24 years:19% 18.8% (male 517,107/female 549,500) 524,819/female 557,142)
25-54 years:31.4% 31.6% (male 847,115/female 914,650) 872,284/female 943,626)
55-64 years:4% 3.9% (male 101,069/female 124,673) 101,856/female 123,164)
65 years and over:
3.7% (male 89,643/female 117,916) (2013 91,198/female 122,308) (2014 est.)
0-14 years: 41.93% (male
41.9%1,198,553/female 1,208,775) 1,228,380/female 1,236,475)
15-24 years: 18.67% (male
18.8%524,819/female 557,142) 532,738/female 564,828)
25-54 years: 31.85% (male
31.6%872,284/female 943,626) 898,538/female 973,908)
55-64 years: 3.82% (male
3.9%101,856/female 123,164) 102,915/female 121,864)
65 years and over: 3.73% (male
3.7%91,198/female 122,308) (2014 92,777/female 126,675) (2015 est.)
0-14 years: 41.93% 41.9% (male 1,228,380/female 1,236,475) 1,257,997/female 1,263,961)
15-24 years: 18.67% 18.57% (male 532,738/female 564,828) 542,975/female 574,669)
25-54 years: 31.85% 32.04% (male 898,538/female 973,908) 924,331/female 1,003,895)
55-64 years: 3.82% 3.74% (male 102,915/female 121,864) 104,415/female 120,953)
65 years and over: 3.73% 3.75% (male 92,777/female 126,675) (2015 94,520/female 131,172) (2016 est.)
0-14 years: 41.9% 41.82% (male 1,257,997/female 1,263,961) 1,286,681/female 1,290,924)
15-24 years: 18.57% 18.56% (male 542,975/female 574,669) 556,478/female 587,454)
25-54 years: 32.04% 32.16% (male 924,331/female 1,003,895) 949,264/female 1,032,783)
55-64 years: 3.74% 3.7% (male 104,415/female 120,953) 106,706/female 121,111)
65 years and over: 3.75% 3.76% (male 94,520/female 131,172) (2016 96,285/female 135,509) (2017 est.)
The same text in 2018 and 2019.
population pyramid: This is the population pyramid for Sierra Leone. A population pyramid illustrates the age and sex structure of a country's population and may provide insights about political and social stability, as well as economic development. The population is distributed along the horizontal axis, with males shown on the left and females on the right. The male and female populations are broken down into 5-year age groups represented as horizontal bars along the vertical axis, with the youngest age groups at the bottom and the oldest at the top. The shape of the population pyramid gradually evolves over time based on fertility, mortality, and international migration trends. For additional information, please see the entry for Population pyramid on the Definitions and Notes page under the References tab.
Rewritten: too little of the 2017 text remains to mark the changes.
0-14 years: 41.71% (male 1,314,905 /female 1,317,921)
15-24 years: 18.6% (male 572,274 /female 602,105)
25-54 years: 32.23% (male 973,698 /female 1,060,688)
55-64 years: 3.7% (male 110,176 /female 123,268)
65 years and over: 3.76% (male 97,922 /female 139,255) (2018 est.)
population pyramid: This is the population pyramid for Sierra Leone. A population pyramid illustrates the age and sex structure of a country's population and may provide insights about political and social stability, as well as economic development. The population is distributed along the horizontal axis, with males shown on the left and females on the right. The male and female populations are broken down into 5-year age groups represented as horizontal bars along the vertical axis, with the youngest age groups at the bottom and the oldest at the top. The shape of the population pyramid gradually evolves over time based on fertility, mortality, and international migration trends. For additional information, please see the entry for Population pyramid on the Definitions and Notes page under the References tab.
population pyramid: This is the population pyramid for Sierra Leone. A population pyramid illustrates the age and sex structure of a country's population and may provide insights about political and social stability, as well as economic development. The population is distributed along the horizontal axis, with males shown on the left and females on the right. The male and female populations are broken down into 5-year age groups represented as horizontal bars along the vertical axis, with the youngest age groups at the bottom and the oldest at the top. The shape of the population pyramid gradually evolves over time based on fertility, mortality, and international migration trends. For additional information, please see the entry for Population pyramid on the Definitions and Notes page under the References tab.
0-14 years: 41.71% 41.38% (male 1,314,905 /female 1,317,921) 1,369,942/female 1,371,537)
15-24 years: 18.6% 18.83% (male 572,274 /female 602,105) 610,396/female 636,880)
25-54 years: 32.23% 32.21% (male 973,698 /female 1,060,688) 1,020,741/female 1,112,946)
55-64 years: 3.7% 3.89% (male 110,176 /female 123,268) 121,733/female 135,664)
65 years and over: 3.76% 3.7% (male 97,922 /female 139,255) (2018 100,712/female 144,382) (2020 est.)
population pyramid: This is the population pyramid for Sierra Leone. A population pyramid illustrates the age and sex structure of a country's population and may provide insights about political and social stability, as well as economic development. The population is distributed along the horizontal axis, with males shown on the left and females on the right. The male and female populations are broken down into 5-year age groups represented as horizontal bars along the vertical axis, with the youngest age groups at the bottom and the oldest at the top. The shape of the population pyramid gradually evolves over time based on fertility, mortality, and international migration trends. For additional information, please see the entry for Population pyramid on the Definitions and Notes page under the References tab.
The same text in 2021 and 2022.
Rewritten: too little of the 2020 text remains to mark the changes.
0-14 years: 41.38% (male 1,369,942/female 1,371,537)
15-24 years: 18.83% (male 610,396/female 636,880)
25-54 years: 32.21% (male 1,020,741/female 1,112,946)
55-64 years: 3.89% (male 121,733/female 135,664)
65 years and over: 3.7% (male 100,712/female 144,382) (2020 est.)
Rewritten: too little of the 2022 text remains to mark the changes.
0-14 years: 40.54% (male 1,820,988/female 1,790,185)
15-64 years: 56.89% (male 2,476,286/female 2,591,155)
65 years and over: 2.58% (2023 est.) (male 111,937/female 117,489)
The same text in 2024 and 2025.
0-14 years: 40.54% 40.1% (male 1,820,988/female 1,790,185) 1,843,606/female 1,812,304)
15-64 years: 56.89% 57.4% (male 2,476,286/female 2,591,155) 2,557,715/female 2,675,418)
65 years and over: 2.58% (2023 2.5% (2024 est.) (male 111,937/female 117,489) 114,405/female 117,601)
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Cite this page
Central Intelligence Agency. “Sierra Leone: Age structure.” The World Factbook, 1995–2025 editions. Archived by The Factbook, thefactbook.org/sierra-leone/age-structure.