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Fertility & birth rates in Cayman Islands and Sierra Leone

Updated on by Georank team

The Cayman Islands has an annual birth rate of 11.8 births per 1,000 people, compared to 30.6 for Sierra Leone. The average number of children a woman is expected to have during her lifetime — the fertility rate, is 1.53 in the Cayman Islands and 3.79 in Sierra Leone — 147.6% difference.

1960 vs 2023, the fertility rate has decreased by 67.5% in the Cayman Islands and by 38.6% in Sierra Leone — in 1960, it was 4.71 and 6.18, respectively.

  • The Cayman Islands is ranked 118/196 by birth rate compared to 29/196 for Sierra Leone.
  • The mean age at childbearing (for all the births, not just the first) is 31 in the Cayman Islands — it's 28.5 in Sierra Leone.
  • Annual births per 1,000 women ages 15-19 (adolescent birth rate or teenage mother rate) is 11.3 in the Cayman Islands vs 93.6 in Sierra Leone.
  • In the Cayman Islands, 26.5% of the population is composed of women of reproductive age (15-49), compared to 25.4% in Sierra Leone.

Fertility rate in Cayman Islands vs Sierra Leone by year

Cayman Islands
Sierra Leone
1x
Year Fertility rate
Cayman Islands Sierra Leone
2023 1.53 3.79
2022 1.54 3.88
2021 1.55 3.98
2020 1.55 4.08
2019 1.51 4.19
2018 1.28 4.29
2017 1.22 4.39
2016 1.23 4.47
2015 1.27 4.55
2014 1.33 4.7
2013 1.45 4.87
2012 1.53 5.06
2011 1.64 5.21
2010 1.69 5.33
2009 1.72 5.45
2008 1.7 5.56
2007 1.68 5.64
2006 1.67 5.74
2005 1.67 5.81
2004 1.67 5.92
2003 1.67 6.09
2002 1.68 6.23
2001 1.7 6.31
2000 1.71 6.36
1999 1.71 6.42
1998 1.7 6.5
1997 1.7 6.53
1996 1.69 6.55
1995 1.67 6.56
1994 1.66 6.56
1993 1.67 6.57
1992 1.73 6.56
1991 1.85 6.55
1990 1.78 6.57
1989 1.76 6.57
1988 1.63 6.59
1987 1.58 6.61
1986 1.69 6.6
1985 1.75 6.59
1984 1.79 6.59
1983 1.83 6.57
1982 2.01 6.56
1981 2.38 6.55
1980 2.4 6.56
1979 2.37 6.58
1978 2.37 6.59
1977 2.41 6.57
1976 2.53 6.55
1975 2.72 6.55
1974 2.96 6.53
1973 3.56 6.47
1972 4.89 6.45
1971 3.47 6.43
1970 4.66 6.41
1969 3.52 6.39
1968 3.99 6.39
1967 4.05 6.38
1966 4.08 6.35
1965 4.16 6.31
1964 4.41 6.29
1963 4.69 6.26
1962 4.79 6.22
1961 4.78 6.21
1960 4.71 6.18

Data sources: World Bank | Health (1960–2023, retrieved 2026-04-06).

GeoRank.org/birth-rate/cayman-islands/sierra-leone | CC BY

According to the latest available data on birth rates, the fertility rate in the Cayman Islands was 1.53 children per woman in 2023, compared to 3.79 in Sierra Leone in 2023. The replacement level is considered to be 2.1 children per woman.

Check the Cayman Islands vs Sierra Leone population clock for a dynamic visualization of the changing population.

Natural population change by year

Cayman Islands
Sierra Leone
1x
Year Natural population change
Cayman Islands Sierra Leone
2023 514 188,788
2022 527 186,625
2021 533 183,326
2020 539 181,015
2019 514 181,068
2018 383 178,772
2017 351 173,259
2016 351 168,784
2015 364 162,275
2014 392 160,137
2013 439 161,265
2012 468 160,915
2011 503 158,858
2010 515 155,338
2009 513 152,669
2008 490 149,855
2007 468 145,740
2006 451 144,127
2005 439 137,234
2004 426 132,661
2003 416 130,312
2002 407 126,429
2001 400 116,647
2000 392 110,754
1999 394 102,295
1998 392 103,906
1997 387 105,433
1996 377 104,140
1995 362 100,885
1994 343 101,486
1993 325 103,317
1992 320 103,251
1991 327 105,477
1990 284 100,778
1989 269 98,298
1988 233 96,344
1987 214 94,235
1986 227 90,902
1985 225 88,869
1984 216 87,072
1983 206 84,628
1982 217 82,457
1981 255 80,111
1980 232 77,932
1979 210 75,992
1978 195 74,130
1977 184 71,663
1976 180 69,506
1975 181 67,560
1974 184 65,357
1973 216 62,443
1972 292 60,279
1971 158 58,484
1970 219 56,513
1969 139 54,768
1968 167 53,126
1967 168 51,734
1966 167 49,486
1965 168 47,223
1964 179 45,487
1963 191 43,569
1962 192 41,603
1961 188 40,022
1960 180 38,192

Data sources: World Bank | Health (1960–2023, retrieved 2026-04-06).

GeoRank.org/birth-rate/cayman-islands/sierra-leone | CC BY

The chart above illustrates the comparison of the absolute yearly changes in population resulting from births and deaths.

Excluding migration, the natural population change due to births and deaths from 2022 to 2023 was +0.7% in the Cayman Islands and +2.23% in Sierra Leone.

For the past 10 years, the annual natural population change has been +0.67% in the Cayman Islands and +2.31% in Sierra Leone.

Birth rate in Cayman Islands vs Sierra Leone by year

Cayman Islands
Sierra Leone

Annual births per 1,000 people

1x
Year Annual births per 1,000 people
Cayman Islands Sierra Leone
2023 11.8 30.6
2022 12.2 31.1
2021 12.6 31.6
2020 12.7 32.2
2019 12.4 32.8
2018 10.6 33.3
2017 10.2 33.8
2016 10.3 34.2
2015 10.6 34.7
2014 11.2 35.6
2013 12.2 36.6
2012 13.1 37.8
2011 14.1 38.5
2010 14.7 39.1
2009 15 39.9
2008 14.9 40.6
2007 14.8 41.1
2006 14.7 41.8
2005 14.8 42
2004 14.9 42.5
2003 14.9 43.5
2002 15 44.3
2001 15.2 44
2000 15.4 45
1999 15.8 46.1
1998 16.2 46.3
1997 16.5 46.3
1996 16.7 46.5
1995 16.7 46.8
1994 16.7 46.8
1993 16.7 46.9
1992 17.2 47
1991 18.2 47.5
1990 17.3 45.5
1989 17.2 46.3
1988 16.1 46.4
1987 15.6 46.6
1986 16.6 46.6
1985 17.1 46.7
1984 17.3 46.8
1983 17.4 46.7
1982 18.7 46.8
1981 21.7 46.8
1980 21.3 46.8
1979 20.7 47
1978 20.3 47.2
1977 20.2 47.1
1976 20.7 47.2
1975 21.6 47.3
1974 22.9 47.4
1973 26.6 47.2
1972 34.8 47.2
1971 24.3 47.3
1970 31.7 47.4
1969 24.5 47.5
1968 27.7 47.7
1967 28.2 47.9
1966 28.7 48
1965 29.6 48
1964 31.7 48.2
1963 34.1 48.2
1962 35.3 48.1
1961 35.7 48.1
1960 35.7 48

Data sources: World Bank | Health (1960–2023, retrieved 2026-04-06).

GeoRank.org/birth-rate/cayman-islands/sierra-leone | CC BY

The latest reported birth rate per 1,000 people in 2023 was 11.8 in the Cayman Islands and 30.6 in Sierra Leone, compared with 35.7 and 48, respectively, in 1960.

Birth rate data compared

Cayman Islands Sierra Leone
Fertility rate 1.53 3.79
Fertility rate rank 135/196 35/196
Birth rate 11.8 30.6
Birth rate rank 118/196 29/196
Population change due to births and deaths +514 +188,788
Natural population change rank 144/196 62/196
Natural population change rate +0.7% +2.23%
Population growth +1.94% +2.15%
Population growth rank 54/197 47/197
Age at first childbirth n/a 19.6 years
Average age at childbearing 31 years 28.5 years
Annual births per 1,000 women ages 15-19 9.47 87.7
Annual births per 1,000 women ages 20-29 58.6 169.3
Annual births per 1,000 women ages 30+ 22.1 53.4
Female of reproductive age (15-49), share of population 26.5% 25.4%
Any modern method of contraceptive prevalence among married women ages 15-49 n/a 20.9%
Share of births attended by skilled health staff 100% 86.9%
Maternal mortality per live birth n/a 0.35%
Neonatal mortality rate (before reaching 28 days of age) n/a 2.93%
Infant mortality rate (before reaching 1 year of age) 0.55% 5.62%
Mortality rate before reaching 5 years of age n/a 9.43%
Life expectancy 80.9 years 62.3 years

Children 0-14 years as share of population

Cayman Islands
Factual

UN forecast
Sierra Leone
Factual

UN forecast
1x
Year Young
Cayman Islands Sierra Leone
2100 13.3% 19%
2099 13.3% 19%
2098 13.3% 19.1%
2097 13.4% 19.2%
2096 13.4% 19.3%
2095 13.4% 19.5%
2094 13.5% 19.6%
2093 13.5% 19.7%
2092 13.5% 19.8%
2091 13.5% 19.9%
2090 13.5% 20%
2089 13.5% 20.1%
2088 13.5% 20.3%
2087 13.5% 20.4%
2086 13.5% 20.5%
2085 13.5% 20.7%
2084 13.5% 20.8%
2083 13.4% 20.9%
2082 13.4% 21.1%
2081 13.4% 21.2%
2080 13.4% 21.4%
2079 13.4% 21.6%
2078 13.4% 21.7%
2077 13.4% 21.9%
2076 13.4% 22.1%
2075 13.5% 22.2%
2074 13.5% 22.4%
2073 13.5% 22.6%
2072 13.6% 22.8%
2071 13.6% 23%
2070 13.7% 23.2%
2069 13.7% 23.4%
2068 13.7% 23.6%
2067 13.8% 23.8%
2066 13.8% 24%
2065 13.8% 24.3%
2064 13.9% 24.5%
2063 13.9% 24.7%
2062 13.9% 25%
2061 13.9% 25.2%
2060 13.9% 25.5%
2059 13.9% 25.7%
2058 13.9% 26%
2057 13.8% 26.3%
2056 13.8% 26.6%
2055 13.8% 26.9%
2054 13.8% 27.1%
2053 13.7% 27.4%
2052 13.7% 27.7%
2051 13.7% 28.1%
2050 13.7% 28.4%
2049 13.6% 28.7%
2048 13.6% 29%
2047 13.6% 29.3%
2046 13.6% 29.7%
2045 13.7% 30%
2044 13.7% 30.3%
2043 13.8% 30.7%
2042 13.9% 31.1%
2041 14% 31.4%
2040 14.1% 31.8%
2039 14.3% 32.2%
2038 14.5% 32.6%
2037 14.7% 33%
2036 15% 33.4%
2035 15.1% 33.8%
2034 15.2% 34.2%
2033 15.3% 34.6%
2032 15.4% 35%
2031 15.5% 35.4%
2030 15.6% 35.7%
2029 15.7% 36.1%
2028 15.8% 36.5%
2027 15.9% 37%
2026 16% 37.4%
2025 16.1% 37.9%
2024 16.2% 38.1%
2023 16.3% 38.5%
2022 16.4% 39%
2021 16.3% 39.4%
2020 16.5% 39.8%
2019 16.8% 40.2%
2018 17% 40.6%
2017 17.2% 41%
2016 17.4% 41.4%
2015 17.7% 41.8%
2014 17.9% 42.2%
2013 18% 42.5%
2012 18.1% 42.8%
2011 18.2% 43%
2010 18.2% 43.2%
2009 18.3% 43.4%
2008 18.5% 43.5%
2007 18.7% 43.6%
2006 18.9% 43.7%
2005 19.1% 43.8%
2004 19.3% 43.9%
2003 19.5% 43.9%
2002 19.6% 43.9%
2001 19.6% 43.9%
2000 19.6% 43.8%
1999 19.6% 43.7%
1998 19.8% 43.6%
1997 20.1% 43.5%
1996 20.3% 43.5%
1995 20.5% 43.4%
1994 20.7% 43.3%
1993 21% 43.2%
1992 21.3% 43.1%
1991 21.8% 43%
1990 22.3% 42.9%
1989 22.9% 42.9%
1988 23.4% 42.8%
1987 24.1% 42.7%
1986 24.8% 42.6%
1985 25.5% 42.5%
1984 26.2% 42.3%
1983 26.9% 42.2%
1982 27.5% 42.1%
1981 28.2% 42%
1980 28.7% 41.9%
1979 29.5% 41.8%
1978 30.7% 41.7%
1977 31.9% 41.6%
1976 33% 41.4%
1975 34.1% 41.3%
1974 35.2% 41.1%
1973 36.2% 40.9%
1972 37.1% 40.7%
1971 37.9% 40.6%
1970 38.7% 40.3%
1969 39.2% 40.1%
1968 39.4% 39.9%
1967 39.5% 39.6%
1966 39.4% 39.4%
1965 39.2% 39.1%
1964 38.8% 38.8%
1963 38.4% 38.5%
1962 37.7% 38.3%
1961 37% 38.3%
1960 36.3% 38.2%

Data sources: World Bank | Health (1960–2024, retrieved 2026-04-06); United Nations | World Population Prospects (2025–2100, retrieved 2026-03-10).

GeoRank.org/birth-rate/cayman-islands/sierra-leone | CC BY

Children aged 0-14 make up 16.2% of the population in the Cayman Islands and 38.1% in Sierra Leone in 2024, compared to 22.3% and 42.9% respectively in 1990.

Demographics of the Cayman Islands and Sierra Leone compared.

Fertility rates around the globe

1x

Data sources: World Bank | Health (1960–2023, retrieved 2026-04-06).

GeoRank.org/birth-rate/cayman-islands/sierra-leone | CC BY

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Data sources:

  1. World Bank | Health (1960–2024, retrieved 2026-04-06)
  2. United Nations | World Population Prospects (2025–2100, retrieved 2026-03-10)
  3. Central Intelligence Agency (CIA) (2020–2025, retrieved 2026-02-20)

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