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Fertility & birth rates in Cayman Islands and Iran

Updated on by Georank team

The Cayman Islands has an annual birth rate of 11.8 births per 1,000 people, compared to 13 for Iran. 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 1.7 in Iran — 10.7% difference.

1960 vs 2023, the fertility rate has decreased by 67.5% in the Cayman Islands and by 77.5% in Iran — in 1960, it was 4.71 and 7.52, respectively.

  • The Cayman Islands is ranked 118/196 by birth rate compared to 108/196 for Iran.
  • The mean age at childbearing (for all the births, not just the first) is 31 in the Cayman Islands — it's 28.9 in Iran.
  • Annual births per 1,000 women ages 15-19 (adolescent birth rate or teenage mother rate) is 11.3 in the Cayman Islands vs 26.2 in Iran.
  • In the Cayman Islands, 26.5% of the population is composed of women of reproductive age (15-49), compared to 26.8% in Iran.

Fertility rate in Cayman Islands vs Iran by year

Cayman Islands
Iran
1x
Year Fertility rate
Cayman Islands Iran
2023 1.53 1.7
2022 1.54 1.7
2021 1.55 1.71
2020 1.55 1.7
2019 1.51 1.77
2018 1.28 1.92
2017 1.22 2.02
2016 1.23 2.05
2015 1.27 2.02
2014 1.33 1.98
2013 1.45 1.91
2012 1.53 1.85
2011 1.64 1.79
2010 1.69 1.75
2009 1.72 1.74
2008 1.7 1.74
2007 1.68 1.75
2006 1.67 1.76
2005 1.67 1.76
2004 1.67 1.78
2003 1.67 1.8
2002 1.68 1.84
2001 1.7 1.92
2000 1.71 2
1999 1.71 2.09
1998 1.7 2.19
1997 1.7 2.32
1996 1.69 2.54
1995 1.67 2.85
1994 1.66 3.24
1993 1.67 3.67
1992 1.73 4.1
1991 1.85 4.57
1990 1.78 4.93
1989 1.76 5.17
1988 1.63 5.43
1987 1.58 5.72
1986 1.69 6.01
1985 1.75 6.24
1984 1.79 6.43
1983 1.83 6.53
1982 2.01 6.59
1981 2.38 6.62
1980 2.4 6.63
1979 2.37 6.55
1978 2.37 6.34
1977 2.41 6.18
1976 2.53 6.07
1975 2.72 5.95
1974 2.96 5.97
1973 3.56 6.06
1972 4.89 6.26
1971 3.47 6.55
1970 4.66 6.8
1969 3.52 7.01
1968 3.99 7.12
1967 4.05 7.19
1966 4.08 7.21
1965 4.16 7.22
1964 4.41 7.24
1963 4.69 7.32
1962 4.79 7.4
1961 4.78 7.46
1960 4.71 7.52

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

GeoRank.org/birth-rate/cayman-islands/iran | 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 1.7 in Iran in 2023. The replacement level is considered to be 2.1 children per woman.

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

Natural population change by year

Cayman Islands
Iran
1x
Year Natural population change
Cayman Islands Iran
2023 514 750,150
2022 527 753,525
2021 533 645,725
2020 539 663,978
2019 514 893,063
2018 383 1,035,052
2017 351 1,140,549
2016 351 1,186,949
2015 364 1,178,317
2014 392 1,158,552
2013 439 1,119,533
2012 468 1,073,804
2011 503 1,023,925
2010 515 980,380
2009 513 958,322
2008 490 940,983
2007 468 919,254
2006 451 884,529
2005 439 837,305
2004 426 801,203
2003 416 732,600
2002 407 752,205
2001 400 743,658
2000 392 731,203
1999 394 723,237
1998 392 717,655
1997 387 726,574
1996 377 784,508
1995 362 879,648
1994 343 1,008,076
1993 325 1,219,658
1992 320 1,365,466
1991 327 1,495,594
1990 284 1,530,434
1989 269 1,609,739
1988 233 1,614,512
1987 214 1,639,644
1986 227 1,659,289
1985 225 1,661,750
1984 216 1,653,051
1983 206 1,573,612
1982 217 1,514,240
1981 255 1,376,830
1980 232 1,361,293
1979 210 1,294,306
1978 195 1,156,974
1977 184 1,091,542
1976 180 1,013,347
1975 181 929,481
1974 184 873,369
1973 216 831,880
1972 292 804,043
1971 158 805,830
1970 219 794,612
1969 139 780,660
1968 167 743,992
1967 168 727,276
1966 167 695,040
1965 168 663,029
1964 179 635,589
1963 191 620,126
1962 192 595,538
1961 188 594,674
1960 180 584,060

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

GeoRank.org/birth-rate/cayman-islands/iran | 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 +0.83% in Iran.

For the past 10 years, the annual natural population change has been +0.67% in the Cayman Islands and +1.1% in Iran.

Birth rate in Cayman Islands vs Iran by year

Cayman Islands
Iran

Annual births per 1,000 people

1x
Year Annual births per 1,000 people
Cayman Islands Iran
2023 11.8 13
2022 12.2 13.3
2021 12.6 13.7
2020 12.7 14
2019 12.4 14.9
2018 10.6 16.7
2017 10.2 18
2016 10.3 18.8
2015 10.6 18.9
2014 11.2 18.8
2013 12.2 18.5
2012 13.1 18.1
2011 14.1 17.7
2010 14.7 17.3
2009 15 17.2
2008 14.9 17.1
2007 14.8 17
2006 14.7 16.7
2005 14.8 16.4
2004 14.9 16.2
2003 14.9 15.9
2002 15 15.9
2001 15.2 15.9
2000 15.4 16
1999 15.8 16.1
1998 16.2 16.2
1997 16.5 16.6
1996 16.7 17.7
1995 16.7 19.5
1994 16.7 22
1993 16.7 25.7
1992 17.2 28.3
1991 18.2 31.2
1990 17.3 33.5
1989 17.2 35.2
1988 16.1 37
1987 15.6 38.8
1986 16.6 40.7
1985 17.1 42.4
1984 17.3 43.9
1983 17.4 44.7
1982 18.7 45.2
1981 21.7 44.2
1980 21.3 45.1
1979 20.7 44.7
1978 20.3 43.4
1977 20.2 42.2
1976 20.7 41.4
1975 21.6 40.3
1974 22.9 40
1973 26.6 40.1
1972 34.8 40.9
1971 24.3 42.4
1970 31.7 43.6
1969 24.5 44.7
1968 27.7 45.3
1967 28.2 45.8
1966 28.7 46
1965 29.6 46.3
1964 31.7 46.7
1963 34.1 47.7
1962 35.3 48.8
1961 35.7 49.8
1960 35.7 51

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

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

The latest reported birth rate per 1,000 people in 2023 was 11.8 in the Cayman Islands and 13 in Iran, compared with 35.7 and 51, respectively, in 1960.

Birth rate data compared

Cayman Islands Iran
Fertility rate 1.53 1.7
Fertility rate rank 135/196 121/196
Birth rate 11.8 13
Birth rate rank 118/196 108/196
Population change due to births and deaths +514 +750,150
Natural population change rank 144/196 25/196
Natural population change rate +0.7% +0.83%
Population growth +1.94% +1.06%
Population growth rank 54/197 98/197
Average age at childbearing 31 years 28.9 years
Annual births per 1,000 women ages 15-19 9.47 25
Annual births per 1,000 women ages 20-29 58.6 84
Annual births per 1,000 women ages 30+ 22.1 19.8
Female of reproductive age (15-49), share of population 26.5% 26.8%
Any modern method of contraceptive prevalence among married women ages 15-49 n/a 57%
Share of births attended by skilled health staff 100% 99%
Maternal mortality per live birth n/a 0.02%
Neonatal mortality rate (before reaching 28 days of age) n/a 0.74%
Infant mortality rate (before reaching 1 year of age) 0.55% 1.07%
Mortality rate before reaching 5 years of age n/a 1.18%
Life expectancy 80.9 years 78.2 years

Children 0-14 years as share of population

Cayman Islands
Factual

UN forecast
Iran
Factual

UN forecast
1x
Year Young
Cayman Islands Iran
2100 13.3% 12.1%
2099 13.3% 12.2%
2098 13.3% 12.2%
2097 13.4% 12.3%
2096 13.4% 12.3%
2095 13.4% 12.4%
2094 13.5% 12.5%
2093 13.5% 12.6%
2092 13.5% 12.6%
2091 13.5% 12.7%
2090 13.5% 12.8%
2089 13.5% 12.8%
2088 13.5% 12.9%
2087 13.5% 12.9%
2086 13.5% 12.9%
2085 13.5% 13%
2084 13.5% 13%
2083 13.4% 12.9%
2082 13.4% 12.9%
2081 13.4% 12.9%
2080 13.4% 12.9%
2079 13.4% 12.8%
2078 13.4% 12.8%
2077 13.4% 12.8%
2076 13.4% 12.7%
2075 13.5% 12.7%
2074 13.5% 12.7%
2073 13.5% 12.7%
2072 13.6% 12.7%
2071 13.6% 12.7%
2070 13.7% 12.7%
2069 13.7% 12.8%
2068 13.7% 12.9%
2067 13.8% 13%
2066 13.8% 13.1%
2065 13.8% 13.2%
2064 13.9% 13.3%
2063 13.9% 13.5%
2062 13.9% 13.6%
2061 13.9% 13.8%
2060 13.9% 14%
2059 13.9% 14.1%
2058 13.9% 14.3%
2057 13.8% 14.4%
2056 13.8% 14.6%
2055 13.8% 14.7%
2054 13.8% 14.8%
2053 13.7% 14.9%
2052 13.7% 15%
2051 13.7% 15.1%
2050 13.7% 15.1%
2049 13.6% 15.2%
2048 13.6% 15.2%
2047 13.6% 15.2%
2046 13.6% 15.2%
2045 13.7% 15.3%
2044 13.7% 15.3%
2043 13.8% 15.4%
2042 13.9% 15.4%
2041 14% 15.5%
2040 14.1% 15.7%
2039 14.3% 15.8%
2038 14.5% 16%
2037 14.7% 16.3%
2036 15% 16.5%
2035 15.1% 16.8%
2034 15.2% 17.2%
2033 15.3% 17.7%
2032 15.4% 18.3%
2031 15.5% 19%
2030 15.6% 19.6%
2029 15.7% 20.2%
2028 15.8% 20.8%
2027 15.9% 21.3%
2026 16% 21.8%
2025 16.1% 22.2%
2024 16.2% 22.4%
2023 16.3% 22.8%
2022 16.4% 23.2%
2021 16.3% 23.6%
2020 16.5% 23.8%
2019 16.8% 23.9%
2018 17% 24%
2017 17.2% 23.9%
2016 17.4% 23.8%
2015 17.7% 23.6%
2014 17.9% 23.4%
2013 18% 23.3%
2012 18.1% 23.3%
2011 18.2% 23.3%
2010 18.2% 23.4%
2009 18.3% 23.7%
2008 18.5% 24%
2007 18.7% 24.6%
2006 18.9% 25.3%
2005 19.1% 26.2%
2004 19.3% 27.4%
2003 19.5% 28.7%
2002 19.6% 30.1%
2001 19.6% 31.7%
2000 19.6% 33.6%
1999 19.6% 35.4%
1998 19.8% 37.3%
1997 20.1% 39.1%
1996 20.3% 40.7%
1995 20.5% 42.1%
1994 20.7% 43.2%
1993 21% 43.6%
1992 21.3% 43.6%
1991 21.8% 43.9%
1990 22.3% 44.1%
1989 22.9% 44.2%
1988 23.4% 44%
1987 24.1% 43.9%
1986 24.8% 43.7%
1985 25.5% 43.5%
1984 26.2% 43.3%
1983 26.9% 43%
1982 27.5% 42.7%
1981 28.2% 42.9%
1980 28.7% 43.3%
1979 29.5% 43.1%
1978 30.7% 43%
1977 31.9% 42.9%
1976 33% 43%
1975 34.1% 43.2%
1974 35.2% 43.5%
1973 36.2% 43.8%
1972 37.1% 44.2%
1971 37.9% 44.4%
1970 38.7% 44.6%
1969 39.2% 44.7%
1968 39.4% 44.8%
1967 39.5% 44.8%
1966 39.4% 44.9%
1965 39.2% 45%
1964 38.8% 45%
1963 38.4% 44.9%
1962 37.7% 44.6%
1961 37% 44.1%
1960 36.3% 43.5%

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/iran | CC BY

Children aged 0-14 make up 16.2% of the population in the Cayman Islands and 22.4% in Iran in 2024, compared to 22.3% and 44.1% respectively in 1990.

Demographics of the Cayman Islands and Iran compared.

Fertility rates around the globe

1x

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

GeoRank.org/birth-rate/cayman-islands/iran | 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, retrieved 2026-02-20)

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