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Fertility & birth rates in Australia and Kiribati

Updated on by Georank team

Australia has an annual birth rate of 10.8 births per 1,000 people, compared to 25.8 for Kiribati. The average number of children a woman is expected to have during her lifetime — the fertility rate, is 1.5 in Australia and 3.15 in Kiribati — 109.8% difference.

1960 vs 2023, the fertility rate has decreased by 56.6% in Australia and by 51.1% in Kiribati — in 1960, it was 3.45 and 6.44, respectively.

  • Australia is ranked 136/196 by birth rate compared to 50/196 for Kiribati.
  • The mean age for first-time mothers is 28.7 years in Australia, compared to 23.1 years in Kiribati.
  • The mean age at childbearing (for all the births, not just the first) is 31.6 in Australia — it's 29 in Kiribati.
  • Annual births per 1,000 women ages 15-19 (adolescent birth rate or teenage mother rate) is 6.72 in Australia vs 44 in Kiribati.
  • In Australia, 23.1% of the population is composed of women of reproductive age (15-49), compared to 26% in Kiribati.

Fertility rate in Australia vs Kiribati by year

Australia
Kiribati
1x
Year Fertility rate
Australia Kiribati
2023 1.5 3.15
2022 1.63 3.18
2021 1.7 3.22
2020 1.58 3.25
2019 1.66 3.29
2018 1.74 3.32
2017 1.74 3.34
2016 1.75 3.38
2015 1.81 3.44
2014 1.83 3.52
2013 1.86 3.64
2012 1.92 3.77
2011 1.93 3.88
2010 1.93 3.9
2009 1.97 3.91
2008 1.98 3.9
2007 1.96 3.87
2006 1.91 3.82
2005 1.81 3.76
2004 1.77 3.73
2003 1.75 3.7
2002 1.76 3.81
2001 1.74 3.96
2000 1.76 4.07
1999 1.76 4.18
1998 1.76 4.29
1997 1.78 4.37
1996 1.8 4.43
1995 1.82 4.42
1994 1.84 4.44
1993 1.86 4.49
1992 1.89 4.57
1991 1.85 4.64
1990 1.9 4.67
1989 1.84 4.69
1988 1.83 4.73
1987 1.85 4.81
1986 1.87 4.87
1985 1.92 4.91
1984 1.84 4.91
1983 1.92 4.91
1982 1.93 4.95
1981 1.94 4.96
1980 1.89 4.96
1979 1.91 4.97
1978 1.95 4.97
1977 2.01 4.96
1976 2.06 4.96
1975 2.15 5.02
1974 2.4 5.09
1973 2.49 5.2
1972 2.74 5.37
1971 2.96 5.55
1970 2.86 5.71
1969 2.89 5.85
1968 2.89 5.98
1967 2.85 6.11
1966 2.88 6.23
1965 2.98 6.26
1964 3.15 6.29
1963 3.33 6.35
1962 3.44 6.42
1961 3.54 6.48
1960 3.45 6.44

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

GeoRank.org/birth-rate/australia/kiribati | CC BY

According to the latest available data on birth rates, the fertility rate in Australia was 1.5 children per woman in 2023, compared to 3.15 in Kiribati in 2023. The replacement level is considered to be 2.1 children per woman.

Check Australia vs Kiribati population clock for a dynamic visualization of the changing population.

Natural population change by year

Australia
Kiribati
1x
Year Natural population change
Australia Kiribati
2023 103,974 2,487
2022 111,881 2,522
2021 138,701 2,408
2020 133,376 2,497
2019 136,808 2,560
2018 157,269 2,561
2017 150,015 2,549
2016 152,403 2,546
2015 150,041 2,555
2014 154,940 2,577
2013 159,584 2,629
2012 161,408 2,678
2011 156,380 2,709
2010 158,628 2,644
2009 160,518 2,573
2008 155,119 2,493
2007 154,124 2,393
2006 132,931 2,285
2005 129,132 2,188
2004 115,610 2,118
2003 118,325 2,045
2002 116,971 2,074
2001 117,575 2,121
2000 119,882 2,153
1999 118,517 2,186
1998 120,949 2,210
1997 121,592 2,220
1996 125,751 2,217
1995 131,436 2,183
1994 131,761 2,168
1993 137,551 2,161
1992 139,829 2,173
1991 138,273 2,176
1990 143,347 2,127
1989 127,789 2,073
1988 127,298 2,022
1987 128,484 1,982
1986 123,342 1,933
1985 143,674 1,881
1984 123,077 1,813
1983 130,844 1,748
1982 126,030 1,697
1981 125,356 1,635
1980 117,536 1,571
1979 116,112 1,509
1978 116,299 1,480
1977 117,793 1,426
1976 115,070 1,425
1975 123,648 1,423
1974 128,996 1,430
1973 136,476 1,409
1972 155,488 1,406
1971 165,593 1,406
1970 145,081 1,388
1969 143,477 1,367
1968 132,099 1,393
1967 126,249 1,417
1966 126,996 1,437
1965 122,990 1,376
1964 128,420 1,318
1963 140,161 1,273
1962 143,943 1,233
1961 150,955 1,199
1960 141,816 1,141

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

GeoRank.org/birth-rate/australia/kiribati | 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 +0.39% in Australia and +1.88% in Kiribati.

For the past 10 years, the annual natural population change has been +0.56% in Australia and +2.05% in Kiribati.

Birth rate in Australia vs Kiribati by year

Australia
Kiribati

Annual births per 1,000 people

1x
Year Annual births per 1,000 people
Australia Kiribati
2023 10.8 25.8
2022 11.6 26.4
2021 12.1 26.9
2020 11.5 27.4
2019 12.1 27.8
2018 12.6 28.1
2017 12.6 28.3
2016 12.9 28.5
2015 12.9 28.9
2014 13.2 29.3
2013 13.3 30
2012 13.7 30.8
2011 13.6 31.4
2010 13.7 31.2
2009 13.9 31.1
2008 14 30.8
2007 14.1 30.3
2006 12.9 29.7
2005 12.8 29.2
2004 12.3 28.9
2003 12.6 28.6
2002 12.8 29.4
2001 12.7 30.5
2000 13 31.5
1999 13.1 32.5
1998 13.3 33.4
1997 13.6 34.1
1996 13.9 34.8
1995 14.2 35
1994 14.5 35.4
1993 14.7 35.9
1992 15.1 36.8
1991 14.9 37.6
1990 15.4 37.7
1989 14.9 37.9
1988 14.9 38.2
1987 15.4 38.6
1986 15 38.8
1985 15.7 38.9
1984 15 38.6
1983 15.8 38.1
1982 15.8 37.9
1981 15.7 37.4
1980 15.3 36.8
1979 15.3 36.2
1978 15.6 36.2
1977 15.9 35.7
1976 16.2 35.4
1975 16.7 35.4
1974 17.8 35.7
1973 18.5 35.7
1972 20.1 36.5
1971 21.4 37.4
1970 20.6 38.1
1969 20.4 38.7
1968 20.1 40.1
1967 19.4 41.2
1966 19.8 42.2
1965 19.6 42
1964 20.5 42.2
1963 21.5 42.6
1962 22.1 43.1
1961 22.9 43.6
1960 22.4 43.5

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

GeoRank.org/birth-rate/australia/kiribati | CC BY

The latest reported birth rate per 1,000 people in 2023 was 10.8 in Australia and 25.8 in Kiribati, compared with 22.4 and 43.5, respectively, in 1960.

Birth rate data compared

Australia Kiribati
Fertility rate 1.5 3.15
Fertility rate rank 143/196 53/196
Birth rate 10.8 25.8
Birth rate rank 136/196 50/196
Population change due to births and deaths +103,974 +2,487
Natural population change rank 77/196 135/196
Natural population change rate +0.39% +1.88%
Population growth +2.01% +1.5%
Population growth rank 51/197 72/197
Age at first childbirth 28.7 years 23.1 years
Average age at childbearing 31.6 years 29 years
Annual births per 1,000 women ages 15-19 6.04 45.3
Annual births per 1,000 women ages 20-29 59.2 152.8
Annual births per 1,000 women ages 30+ 22.6 45.7
Female of reproductive age (15-49), share of population 23.1% 26%
Any modern method of contraceptive prevalence among married women ages 15-49 64.7% 27.3%
Share of births attended by skilled health staff 96% 91.9%
Maternal mortality per live birth 0.002% 0.08%
Neonatal mortality rate (before reaching 28 days of age) 0.23% 2.24%
Infant mortality rate (before reaching 1 year of age) 0.31% 3.97%
Mortality rate before reaching 5 years of age 0.37% 5.51%
Life expectancy 84.3 years 66.9 years

Children 0-14 years as share of population

Australia
Factual

UN forecast
Kiribati
Factual

UN forecast
1x
Year Young
Australia Kiribati
2100 14.8% 19.5%
2099 14.8% 19.6%
2098 14.8% 19.7%
2097 14.9% 19.8%
2096 14.9% 20%
2095 14.9% 20.1%
2094 14.9% 20.2%
2093 15% 20.3%
2092 15% 20.5%
2091 15% 20.6%
2090 15% 20.7%
2089 15% 20.9%
2088 15% 21%
2087 15% 21.2%
2086 15.1% 21.3%
2085 15.1% 21.4%
2084 15.1% 21.6%
2083 15.1% 21.7%
2082 15% 21.8%
2081 15% 22%
2080 15% 22.1%
2079 15% 22.2%
2078 15% 22.3%
2077 15% 22.5%
2076 15% 22.6%
2075 15.1% 22.7%
2074 15.1% 22.9%
2073 15.1% 23%
2072 15.1% 23.1%
2071 15.1% 23.3%
2070 15.1% 23.4%
2069 15.2% 23.6%
2068 15.2% 23.8%
2067 15.2% 23.9%
2066 15.3% 24.1%
2065 15.3% 24.3%
2064 15.4% 24.5%
2063 15.4% 24.7%
2062 15.4% 25%
2061 15.5% 25.2%
2060 15.5% 25.4%
2059 15.6% 25.6%
2058 15.6% 25.8%
2057 15.6% 26.1%
2056 15.7% 26.3%
2055 15.7% 26.5%
2054 15.7% 26.7%
2053 15.7% 26.9%
2052 15.7% 27.1%
2051 15.7% 27.3%
2050 15.7% 27.5%
2049 15.7% 27.7%
2048 15.7% 27.9%
2047 15.7% 28%
2046 15.7% 28.2%
2045 15.7% 28.4%
2044 15.7% 28.5%
2043 15.7% 28.7%
2042 15.8% 28.9%
2041 15.8% 29.1%
2040 15.9% 29.3%
2039 16% 29.5%
2038 16.1% 29.8%
2037 16.2% 30.1%
2036 16.3% 30.4%
2035 16.3% 30.8%
2034 16.4% 31.1%
2033 16.5% 31.5%
2032 16.7% 31.8%
2031 16.8% 32.2%
2030 17% 32.6%
2029 17.1% 32.9%
2028 17.3% 33.3%
2027 17.4% 33.7%
2026 17.6% 34.2%
2025 17.8% 34.6%
2024 17.8% 34.7%
2023 18% 34.9%
2022 18.2% 35.1%
2021 18.4% 35.2%
2020 18.6% 35.2%
2019 18.7% 35.1%
2018 18.8% 35.1%
2017 18.8% 35%
2016 18.9% 35%
2015 18.9% 35.2%
2014 18.9% 35.4%
2013 18.9% 35.7%
2012 18.9% 36.1%
2011 19% 36.4%
2010 19.1% 36.6%
2009 19.2% 36.8%
2008 19.3% 37%
2007 19.4% 37.3%
2006 19.6% 37.6%
2005 19.8% 38%
2004 20% 38.4%
2003 20.2% 38.9%
2002 20.4% 39.3%
2001 20.6% 39.8%
2000 20.8% 40.1%
1999 20.9% 40.5%
1998 21.1% 40.8%
1997 21.2% 41%
1996 21.4% 41.1%
1995 21.5% 41.2%
1994 21.7% 41.2%
1993 21.7% 41%
1992 21.8% 40.8%
1991 21.9% 40.5%
1990 22% 40.2%
1989 22.2% 39.9%
1988 22.4% 39.7%
1987 22.7% 39.4%
1986 23.1% 39.2%
1985 23.6% 39.2%
1984 24% 39.2%
1983 24.4% 39.5%
1982 24.7% 39.9%
1981 25% 40.5%
1980 25.3% 41.1%
1979 25.6% 41.8%
1978 26.1% 42.3%
1977 26.5% 42.8%
1976 27% 43.2%
1975 27.5% 43.7%
1974 27.9% 44.2%
1973 28.2% 44.6%
1972 28.5% 44.8%
1971 28.7% 44.8%
1970 28.8% 44.9%
1969 28.9% 45%
1968 29.1% 44.9%
1967 29.3% 44.5%
1966 29.5% 44.1%
1965 29.6% 43.9%
1964 29.8% 44%
1963 29.9% 44%
1962 30.1% 43.8%
1961 30.2% 43.5%
1960 30.2% 43.2%

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/australia/kiribati | CC BY

Children aged 0-14 make up 17.8% of the population in Australia and 34.7% in Kiribati in 2024, compared to 22% and 40.2% respectively in 1990.

Demographics of Australia and Kiribati compared.

Fertility rates around the globe

1x

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

GeoRank.org/birth-rate/australia/kiribati | CC BY

Maternal mortality chart: Australia vs Kiribati

Australia
Kiribati
1x
Year Maternal mortality per 100K births
Australia Kiribati
2023 2 80
2022 4 86
2021 4 122
2020 5 89
2019 5 89
2018 5 87
2017 6 90
2016 6 88
2015 6 90
2014 6 91
2013 6 93
2012 6 98
2011 6 98
2010 5 102
2009 5 99
2008 5 100
2007 5 101
2006 5 102
2005 5 104
2004 5 106
2003 5 105
2002 6 109
2001 6 113
2000 7 119
1999 7 121
1998 7 126
1997 8 132
1996 8 141
1995 9 148
1994 9 150
1993 9 162
1992 9 175
1991 9 188
1990 9 199
1989 9 212
1988 9 220
1987 9 231
1986 8 232
1985 9 246

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

GeoRank.org/birth-rate/australia/kiribati | CC BY

The maternal mortality rate, which is the probability of dying during childbirth or within 42 days of pregnancy termination, is 2 deaths per 100,000 live births in Australia, compared to 80 deaths in Kiribati.

Under-five mortality rates

Australia
Kiribati

Probability that a newborn baby will die before reaching age five

1x
Year Under 5 mortality rate
Australia Kiribati
2023 0.37% 5.51%
2022 0.37% 5.65%
2021 0.37% 5.76%
2020 0.38% 5.86%
2019 0.38% 5.93%
2018 0.38% 5.98%
2017 0.38% 5.99%
2016 0.38% 5.95%
2015 0.39% 5.89%
2014 0.4% 5.84%
2013 0.41% 5.8%
2012 0.43% 5.78%
2011 0.45% 5.79%
2010 0.48% 5.82%
2009 0.5% 5.87%
2008 0.52% 5.93%
2007 0.54% 5.99%
2006 0.56% 6.03%
2005 0.57% 6.07%
2004 0.58% 6.13%
2003 0.59% 6.2%
2002 0.6% 6.31%
2001 0.61% 6.46%
2000 0.62% 6.64%
1999 0.63% 6.83%
1998 0.64% 7.02%
1997 0.66% 7.22%
1996 0.68% 7.42%
1995 0.7% 7.64%
1994 0.73% 7.87%
1993 0.77% 8.13%
1992 0.82% 8.44%
1991 0.87% 8.77%
1990 0.92% 9.13%
1989 0.97% 9.5%
1988 1.02% 9.87%
1987 1.06% 10.2%
1986 1.1% 10.6%
1985 1.13% 10.9%
1984 1.16% 11.1%
1983 1.19% 11.4%
1982 1.22% 11.6%
1981 1.26% 11.7%
1980 1.3% 11.9%
1979 1.36% 12%
1978 1.44% 12.2%
1977 1.52% 12.3%
1976 1.62% 12.4%
1975 1.73% 12.5%
1974 1.84% 12.7%
1973 1.94% 13%
1972 2.03% 13.3%
1971 2.1% 13.7%
1970 2.15% 14.1%
1969 2.18% 14.6%
1968 2.19% 15.2%
1967 2.2% 15.8%
1966 2.21% 16.4%
1965 2.24% 17.1%
1964 2.27% 17.7%
1963 2.32% 18.3%
1962 2.37% 18.9%
1961 2.43% 19.5%
1960 2.49% 19.9%

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

GeoRank.org/birth-rate/australia/kiribati | CC BY

The chance that a newborn baby will die before reaching age five is 0.37% in Australia and 5.51% in Kiribati. 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) (2025, retrieved 2026-02-20)

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