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Fertility & birth rates in Iceland and Nauru

Updated on by Georank team

Iceland has an annual birth rate of 11 births per 1,000 people, compared to 25.5 for Nauru. The average number of children a woman is expected to have during her lifetime — the fertility rate, is 1.59 in Iceland and 3.33 in Nauru — 109.5% difference.

1960 vs 2023, the fertility rate has decreased by 62.9% in Iceland and by 37.6% in Nauru — in 1960, it was 4.29 and 5.34, respectively.

  • Iceland is ranked 132/196 by birth rate compared to 52/196 for Nauru.
  • The mean age for first-time mothers is 28.8 years in Iceland, compared to 22.1 years in Nauru.
  • The mean age at childbearing (for all the births, not just the first) is 31 in Iceland — it's 27.1 in Nauru.
  • Annual births per 1,000 women ages 15-19 (adolescent birth rate or teenage mother rate) is 3.37 in Iceland vs 76.2 in Nauru.
  • In Iceland, 23.7% of the population is composed of women of reproductive age (15-49), compared to 24.6% in Nauru.

Fertility rate in Iceland vs Nauru by year

Iceland
Nauru
1x
Year Fertility rate
Iceland Nauru
2023 1.59 3.33
2022 1.59 3.38
2021 1.82 3.43
2020 1.72 3.47
2019 1.74 3.53
2018 1.71 3.68
2017 1.71 3.88
2016 1.74 4.03
2015 1.8 4.08
2014 1.93 4.09
2013 1.93 4.1
2012 2.04 4.12
2011 2.02 4.12
2010 2.2 4.02
2009 2.23 3.85
2008 2.15 3.67
2007 2.09 3.5
2006 2.08 3.4
2005 2.05 3.38
2004 2.04 3.38
2003 1.99 3.39
2002 1.93 3.4
2001 1.95 3.46
2000 2.08 3.54
1999 1.99 3.64
1998 2.05 3.68
1997 2.04 3.74
1996 2.12 3.78
1995 2.08 3.81
1994 2.14 3.84
1993 2.22 3.89
1992 2.21 3.95
1991 2.18 3.99
1990 2.3 4.02
1989 2.19 4.07
1988 2.26 4.11
1987 2.06 4.14
1986 1.92 4.15
1985 1.93 4.14
1984 2.08 4.11
1983 2.24 4.06
1982 2.27 3.99
1981 2.33 3.94
1980 2.48 3.88
1979 2.49 3.85
1978 2.35 3.84
1977 2.31 3.86
1976 2.52 3.9
1975 2.65 3.97
1974 2.66 4.07
1973 2.94 4.19
1972 3.09 4.36
1971 2.92 4.54
1970 2.81 4.74
1969 2.99 4.94
1968 3.06 5.14
1967 3.28 5.29
1966 3.59 5.41
1965 3.73 5.48
1964 3.88 5.47
1963 3.99 5.44
1962 3.98 5.42
1961 3.88 5.38
1960 4.29 5.34

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

GeoRank.org/birth-rate/iceland/nauru | CC BY

According to the latest available data on birth rates, the fertility rate in Iceland was 1.59 children per woman in 2023, compared to 3.33 in Nauru in 2023. The replacement level is considered to be 2.1 children per woman.

Check Iceland vs Nauru population clock for a dynamic visualization of the changing population.

Natural population change by year

Iceland
Nauru
1x
Year Natural population change
Iceland Nauru
2023 1,697 213
2022 1,719 226
2021 2,534 236
2020 2,199 246
2019 2,163 255
2018 1,975 265
2017 1,854 279
2016 1,711 289
2015 1,952 291
2014 2,324 290
2013 2,169 291
2012 2,566 292
2011 2,521 291
2010 2,862 281
2009 3,026 261
2008 2,825 240
2007 2,617 222
2006 2,491 209
2005 2,433 204
2004 2,425 202
2003 2,317 201
2002 2,243 200
2001 2,365 203
2000 2,475 207
1999 2,192 212
1998 2,357 214
1997 2,305 218
1996 2,447 221
1995 2,354 225
1994 2,713 229
1993 2,875 235
1992 2,898 237
1991 2,733 225
1990 3,058 214
1989 2,832 204
1988 2,847 195
1987 2,360 186
1986 2,384 178
1985 2,221 171
1984 2,539 166
1983 2,702 163
1982 2,736 162
1981 2,677 157
1980 2,966 145
1979 2,980 130
1978 2,727 111
1977 2,551 89
1976 2,951 79
1975 2,965 70
1974 2,776 63
1973 3,121 57
1972 3,241 53
1971 2,782 50
1970 2,576 49
1969 2,766 71
1968 2,841 116
1967 3,021 117
1966 3,305 123
1965 3,442 113
1964 3,459 100
1963 3,490 88
1962 3,465 75
1961 3,312 70
1960 3,758 72

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

GeoRank.org/birth-rate/iceland/nauru | 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 +0.44% in Iceland and +1.8% in Nauru.

For the past 10 years, the annual natural population change has been +0.57% in Iceland and +2.28% in Nauru.

Birth rate in Iceland vs Nauru by year

Iceland
Nauru

Annual births per 1,000 people

1x
Year Annual births per 1,000 people
Iceland Nauru
2023 11 25.5
2022 11.5 26.6
2021 13.1 27.8
2020 12.3 28.7
2019 12.3 29.6
2018 12 30.7
2017 11.9 32.2
2016 12 33.6
2015 12.5 34.2
2014 13.4 34.7
2013 13.4 35.3
2012 14.1 36.1
2011 14.1 36.8
2010 15.4 36.1
2009 15.8 34.3
2008 15.2 32.3
2007 14.6 30.4
2006 14.5 29.1
2005 14.4 28.5
2004 14.5 28.1
2003 14.3 27.9
2002 14.1 27.8
2001 14.4 27.9
2000 15.3 28.2
1999 14.8 28.6
1998 15.2 28.7
1997 15.3 29
1996 16.1 29.4
1995 16 29.8
1994 16.7 30.3
1993 17.5 31.1
1992 17.7 31.8
1991 17.6 31.7
1990 18.7 31.7
1989 18 31.9
1988 18.7 32
1987 16.6 32
1986 16.4 31.9
1985 16 31.9
1984 17.2 31.8
1983 18.4 31.8
1982 18.5 31.8
1981 18.8 31.2
1980 19.8 29.7
1979 19.8 27.6
1978 18.6 25
1977 18 21.8
1976 19.5 20.1
1975 20.1 18.7
1974 19.9 17.4
1973 21.7 16.3
1972 22.4 15.6
1971 20.8 15.2
1970 19.7 15.1
1969 20.7 18.8
1968 21 27.2
1967 22.2 28.3
1966 24 29.9
1965 24.6 29.1
1964 25.3 28.2
1963 26 27
1962 25.8 25.6
1961 25.5 25.6
1960 28 26.9

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

GeoRank.org/birth-rate/iceland/nauru | CC BY

The latest reported birth rate per 1,000 people in 2023 was 11 in Iceland and 25.5 in Nauru, compared with 28 and 26.9, respectively, in 1960.

Birth rate data compared

Iceland Nauru
Fertility rate 1.59 3.33
Fertility rate rank 127/196 47/196
Birth rate 11 25.5
Birth rate rank 132/196 52/196
Population change due to births and deaths +1,697 +213
Natural population change rank 138/196 150/196
Natural population change rate +0.44% +1.8%
Population growth +0.22% +0.61%
Population growth rank 155/197 126/197
Age at first childbirth 28.8 years 22.1 years
Average age at childbearing 31 years 27.1 years
Annual births per 1,000 women ages 15-19 2.72 77.7
Annual births per 1,000 women ages 20-29 67.1 176.3
Annual births per 1,000 women ages 30+ 20.4 37.1
Female of reproductive age (15-49), share of population 23.7% 24.6%
Any modern method of contraceptive prevalence among married women ages 15-49 n/a 25.1%
Share of births attended by skilled health staff 97.4% 97.4%
Maternal mortality per live birth 0.003% 0.27%
Neonatal mortality rate (before reaching 28 days of age) 0.13% 0.48%
Infant mortality rate (before reaching 1 year of age) 0.19% 0.83%
Mortality rate before reaching 5 years of age 0.26% 0.89%
Life expectancy 83.3 years 62.6 years

Children 0-14 years as share of population

Iceland
Factual

UN forecast
Nauru
Factual

UN forecast
1x
Year Young
Iceland Nauru
2100 11.8% 20.7%
2099 11.8% 20.8%
2098 11.8% 21%
2097 11.8% 21.1%
2096 11.9% 21.2%
2095 11.9% 21.3%
2094 11.9% 21.4%
2093 11.9% 21.6%
2092 11.9% 21.7%
2091 11.9% 21.9%
2090 11.9% 22%
2089 11.9% 22.2%
2088 11.9% 22.4%
2087 11.9% 22.5%
2086 11.9% 22.7%
2085 11.9% 22.9%
2084 11.9% 23.1%
2083 11.9% 23.3%
2082 11.9% 23.4%
2081 11.9% 23.6%
2080 11.9% 23.8%
2079 12% 23.9%
2078 12% 24.1%
2077 12% 24.2%
2076 12% 24.3%
2075 12.1% 24.5%
2074 12.1% 24.6%
2073 12.1% 24.7%
2072 12.2% 24.9%
2071 12.2% 25%
2070 12.3% 25.1%
2069 12.4% 25.3%
2068 12.4% 25.4%
2067 12.5% 25.6%
2066 12.6% 25.8%
2065 12.6% 26%
2064 12.7% 26.2%
2063 12.8% 26.4%
2062 12.8% 26.7%
2061 12.9% 26.9%
2060 13% 27.2%
2059 13% 27.5%
2058 13.1% 27.9%
2057 13.2% 28.2%
2056 13.2% 28.5%
2055 13.3% 28.8%
2054 13.4% 29.1%
2053 13.4% 29.4%
2052 13.5% 29.7%
2051 13.6% 29.9%
2050 13.7% 30.2%
2049 13.8% 30.4%
2048 13.8% 30.6%
2047 14% 30.7%
2046 14.1% 30.8%
2045 14.2% 30.9%
2044 14.3% 30.9%
2043 14.4% 31%
2042 14.6% 31%
2041 14.8% 31%
2040 14.9% 31%
2039 15.1% 31.1%
2038 15.3% 31.2%
2037 15.5% 31.4%
2036 15.8% 31.8%
2035 16% 32%
2034 16.2% 32.3%
2033 16.4% 32.5%
2032 16.5% 32.9%
2031 16.6% 33.4%
2030 16.7% 34%
2029 16.9% 34.7%
2028 17% 35.3%
2027 17.2% 36.1%
2026 17.4% 36.8%
2025 17.6% 37.5%
2024 17.8% 37.8%
2023 18.1% 38.2%
2022 18.4% 38.3%
2021 18.6% 38.3%
2020 18.7% 38%
2019 18.9% 37.6%
2018 19.2% 37.6%
2017 19.6% 38%
2016 19.9% 38.2%
2015 20.2% 38.2%
2014 20.4% 38.2%
2013 20.6% 38%
2012 20.7% 37.7%
2011 20.8% 37.1%
2010 20.9% 36.3%
2009 20.9% 35.8%
2008 20.9% 35.6%
2007 21.1% 35.7%
2006 21.5% 36.1%
2005 22.1% 36.6%
2004 22.5% 37.1%
2003 22.8% 37.7%
2002 23% 38.2%
2001 23.2% 38.5%
2000 23.3% 38.9%
1999 23.4% 39.4%
1998 23.6% 39.9%
1997 23.9% 40.5%
1996 24.1% 41.1%
1995 24.4% 41.7%
1994 24.7% 42.1%
1993 24.8% 42.5%
1992 24.8% 42.5%
1991 24.8% 42.1%
1990 25% 41.2%
1989 25% 40.2%
1988 25.2% 39.2%
1987 25.6% 38.3%
1986 25.9% 37.5%
1985 26.2% 36.5%
1984 26.5% 35.7%
1983 26.7% 34.6%
1982 26.9% 33.2%
1981 27.2% 31.9%
1980 27.5% 30.9%
1979 27.9% 30.6%
1978 28.4% 30.9%
1977 29% 31.9%
1976 29.5% 33.4%
1975 30.1% 34.9%
1974 30.7% 36.4%
1973 31.2% 38.1%
1972 31.6% 39.7%
1971 32.1% 41.3%
1970 32.6% 42.9%
1969 33.2% 43.4%
1968 33.6% 41.3%
1967 34% 39.5%
1966 34.3% 39.4%
1965 34.5% 38.6%
1964 34.7% 37.5%
1963 34.9% 36.5%
1962 34.9% 35.7%
1961 35% 35.2%
1960 34.9% 34.8%

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/iceland/nauru | CC BY

Children aged 0-14 make up 17.8% of the population in Iceland and 37.8% in Nauru in 2024, compared to 25% and 41.2% respectively in 1990.

Demographics of Iceland and Nauru compared.

Fertility rates around the globe

1x

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

GeoRank.org/birth-rate/iceland/nauru | CC BY

Maternal mortality chart: Iceland vs Nauru

Iceland
Nauru
1x
Year Maternal mortality per 100K births
Iceland Nauru
2023 3 273
2022 5 317
2021 5 266
2020 12 309
2019 4 267
2018 4 269
2017 3 259
2016 3 248
2015 4 253
2014 4 240
2013 4 247
2012 4 255
2011 4 260
2010 5 297
2009 5 300
2008 4 302
2007 5 303
2006 5 304
2005 5 328
2004 6 324
2003 6 323
2002 7 321
2001 6 299
2000 7 278
1999 7 277
1998 8 257
1997 8 218
1996 7 218
1995 13 219
1994 9 220
1993 10 219
1992 12 217
1991 11 216
1990 13 195
1989 14 198
1988 11 202
1987 13 206
1986 15 209
1985 11 191

Data sources: World Bank | Gender (1985–2023, retrieved 2026-04-06).

GeoRank.org/birth-rate/iceland/nauru | CC BY

The maternal mortality rate, which is the probability of dying during childbirth or within 42 days of pregnancy termination, is 3 deaths per 100,000 live births in Iceland, compared to 273 deaths in Nauru.

Under-five mortality rates

Iceland
Nauru

Probability that a newborn baby will die before reaching age five

1x
Year Under 5 mortality rate
Iceland Nauru
2023 0.26% 0.89%
2022 0.26% 0.95%
2021 0.27% 1.02%
2020 0.27% 1.11%
2019 0.27% 1.22%
2018 0.27% 1.34%
2017 0.26% 1.47%
2016 0.26% 1.61%
2015 0.26% 1.76%
2014 0.26% 1.93%
2013 0.26% 2.11%
2012 0.26% 2.29%
2011 0.27% 2.48%
2010 0.27% 2.66%
2009 0.27% 2.84%
2008 0.28% 3%
2007 0.29% 3.15%
2006 0.3% 3.29%
2005 0.31% 3.41%
2004 0.33% 3.53%
2003 0.34% 3.66%
2002 0.36% 3.81%
2001 0.38% 3.96%
2000 0.4% 4.13%
1999 0.42% 4.32%
1998 0.45% 4.52%
1997 0.47% 4.74%
1996 0.49% 4.97%
1995 0.52% 5.22%
1994 0.54% 5.49%
1993 0.56% 5.78%
1992 0.58% 6.09%
1991 0.61% 6.41%
1990 0.63% 6.74%
1989 0.65% 7.08%
1988 0.67% 7.43%
1987 0.7% 7.81%
1986 0.73% 8.2%
1985 0.75% 8.62%
1984 0.79% -
1983 0.83% -
1982 0.87% -
1981 0.92% -
1980 0.97% -
1979 1.03% -
1978 1.09% -
1977 1.15% -
1976 1.22% -
1975 1.29% -
1974 1.35% -
1973 1.41% -
1972 1.48% -
1971 1.54% -
1970 1.6% -
1969 1.66% -
1968 1.72% -
1967 1.79% -
1966 1.85% -
1965 1.92% -
1964 1.97% -
1963 2.02% -
1962 2.07% -
1961 2.11% -
1960 2.14% -

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

GeoRank.org/birth-rate/iceland/nauru | CC BY

The chance that a newborn baby will die before reaching age five is 0.26% in Iceland and 0.89% in Nauru. Above is a chart with historical data on under-five mortality rates.

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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) (2017, retrieved 2026-02-20)
  4. United Nations Economic Commission for Europe (UNECE) (2023, retrieved 2026-03-10)

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