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Fertility & birth rates in Azerbaijan and Tonga

Updated on by Georank team

Azerbaijan has an annual birth rate of 11.1 births per 1,000 people, compared to 23.1 for Tonga. The average number of children a woman is expected to have during her lifetime — the fertility rate, is 1.55 in Azerbaijan and 3.13 in Tonga — 101.9% difference.

1960 vs 2023, the fertility rate has decreased by 73.6% in Azerbaijan and by 53% in Tonga — in 1960, it was 5.88 and 6.65, respectively.

  • Azerbaijan is ranked 128/196 by birth rate compared to 58/196 for Tonga.
  • The mean age for first-time mothers is 24.6 years in Azerbaijan, compared to 24.9 years in Tonga.
  • The mean age at childbearing (for all the births, not just the first) is 26 in Azerbaijan — it's 29.9 in Tonga.
  • Annual births per 1,000 women ages 15-19 (adolescent birth rate or teenage mother rate) is 34.8 in Azerbaijan vs 24.8 in Tonga.
  • In Azerbaijan, 26.3% of the population is composed of women of reproductive age (15-49), compared to 25.6% in Tonga.

Fertility rate in Azerbaijan vs Tonga by year

Azerbaijan
Tonga
1x
Year Fertility rate
Azerbaijan Tonga
2023 1.55 3.13
2022 1.67 3.17
2021 1.52 3.2
2020 1.7 3.23
2019 1.81 3.27
2018 1.73 3.33
2017 1.75 3.39
2016 1.9 3.46
2015 1.94 3.54
2014 1.97 3.62
2013 1.98 3.7
2012 2 3.77
2011 1.96 3.83
2010 1.92 3.88
2009 1.82 3.95
2008 1.9 4.01
2007 1.97 4.09
2006 1.97 4.14
2005 2 4.2
2004 2.05 4.19
2003 1.9 4.18
2002 1.8 4.14
2001 1.8 4.13
2000 2 4.16
1999 2.07 4.23
1998 2 4.31
1997 2.07 4.38
1996 2.06 4.46
1995 2.29 4.56
1994 2.52 4.66
1993 2.7 4.73
1992 2.74 4.79
1991 2.87 4.85
1990 2.74 4.93
1989 2.8 5.01
1988 2.8 5.1
1987 2.9 5.19
1986 2.9 5.27
1985 2.91 5.34
1984 3.26 5.41
1983 3.29 5.45
1982 3.34 5.5
1981 3.41 5.55
1980 3.5 5.6
1979 3.61 5.65
1978 3.73 5.68
1977 3.87 5.7
1976 4.02 5.73
1975 4.18 5.75
1974 4.33 5.77
1973 4.45 5.8
1972 4.62 5.86
1971 4.77 5.96
1970 4.91 6.07
1969 5.07 6.17
1968 5.22 6.23
1967 5.38 6.29
1966 5.66 6.35
1965 5.79 6.41
1964 5.89 6.46
1963 5.95 6.52
1962 5.96 6.57
1961 5.94 6.61
1960 5.88 6.65

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

GeoRank.org/birth-rate/azerbaijan/tonga | CC BY

According to the latest available data on birth rates, the fertility rate in Azerbaijan was 1.55 children per woman in 2023, compared to 3.13 in Tonga in 2023. The replacement level is considered to be 2.1 children per woman.

Check Azerbaijan vs Tonga population clock for a dynamic visualization of the changing population.

Natural population change by year

Azerbaijan
Tonga
1x
Year Natural population change
Azerbaijan Tonga
2023 52,800 1,744
2022 61,865 1,772
2021 35,483 1,773
2020 50,466 1,816
2019 85,207 1,841
2018 81,506 1,873
2017 86,715 1,912
2016 102,457 1,989
2015 110,967 2,064
2014 115,374 2,135
2013 117,710 2,199
2012 119,915 2,255
2011 122,002 2,298
2010 112,274 2,332
2009 99,315 2,358
2008 99,903 2,397
2007 97,827 2,423
2006 96,724 2,459
2005 89,793 2,495
2004 81,403 2,478
2003 64,226 2,448
2002 63,741 2,396
2001 64,890 2,358
2000 70,023 2,346
1999 71,047 2,352
1998 77,548 2,344
1997 84,653 2,332
1996 80,735 2,393
1995 93,755 2,476
1994 107,112 2,547
1993 123,664 2,594
1992 133,615 2,622
1991 147,607 2,637
1990 142,069 2,641
1989 141,531 2,644
1988 136,702 2,649
1987 138,195 2,646
1986 141,499 2,704
1985 132,068 2,762
1984 130,043 2,814
1983 125,966 2,840
1982 117,615 2,853
1981 121,400 2,882
1980 110,279 2,885
1979 104,864 2,884
1978 102,831 2,862
1977 102,304 2,822
1976 103,370 2,769
1975 103,472 2,709
1974 103,872 2,650
1973 103,208 2,617
1972 105,009 2,605
1971 106,948 2,611
1970 108,976 2,628
1969 111,387 2,632
1968 115,379 2,614
1967 118,988 2,603
1966 126,678 2,550
1965 131,114 2,498
1964 134,971 2,445
1963 136,762 2,394
1962 135,928 2,343
1961 133,870 2,284
1960 127,982 2,230

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

GeoRank.org/birth-rate/azerbaijan/tonga | 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 +0.52% in Azerbaijan and +1.67% in Tonga.

For the past 10 years, the annual natural population change has been +0.79% in Azerbaijan and +1.79% in Tonga.

Birth rate in Azerbaijan vs Tonga by year

Azerbaijan
Tonga

Annual births per 1,000 people

1x
Year Annual births per 1,000 people
Azerbaijan Tonga
2023 11.1 23.1
2022 12.1 23.4
2021 11.1 23.5
2020 12.5 23.6
2019 14.1 23.8
2018 14 24.1
2017 14.6 24.5
2016 16.3 25.2
2015 17.2 25.8
2014 17.9 26.4
2013 18.3 26.9
2012 18.8 27.3
2011 19.2 27.7
2010 18.3 28
2009 17 28.4
2008 17.4 28.7
2007 17.7 29
2006 17.6 29.5
2005 16.9 30
2004 15.8 30
2003 13.8 29.9
2002 13.5 29.5
2001 13.6 29.4
2000 14.5 29.4
1999 14.7 29.6
1998 15.7 29.7
1997 16.8 29.8
1996 16.6 30.6
1995 18.9 31.4
1994 21.4 32.2
1993 23.7 32.7
1992 25.2 33
1991 26.6 33.2
1990 25.9 33.3
1989 26.4 33.4
1988 26.4 33.5
1987 26.8 33.7
1986 27.6 34.4
1985 26.6 34.9
1984 26.6 35.4
1983 26.1 35.6
1982 25.2 35.8
1981 26.3 36
1980 27.7 36.1
1979 27.1 36.1
1978 26.8 36
1977 26.7 35.7
1976 27 35.6
1975 27.4 35.8
1974 27.9 36
1973 28.2 36.5
1972 29.1 37
1971 30.2 37.8
1970 31.3 38.8
1969 32.6 39.6
1968 34.3 40.3
1967 36.1 41
1966 38.9 41.4
1965 41 41.9
1964 43.4 42.4
1963 45.4 42.9
1962 46.6 43.4
1961 47.6 43.9
1960 47.8 44.3

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

GeoRank.org/birth-rate/azerbaijan/tonga | CC BY

The latest reported birth rate per 1,000 people in 2023 was 11.1 in Azerbaijan and 23.1 in Tonga, compared with 47.8 and 44.3, respectively, in 1960.

Birth rate data compared

Azerbaijan Tonga
Fertility rate 1.55 3.13
Fertility rate rank 132/196 54/196
Birth rate 11.1 23.1
Birth rate rank 128/196 58/196
Population change due to births and deaths +52,800 +1,744
Natural population change rank 92/196 137/196
Natural population change rate +0.52% +1.67%
Population growth +0.48% -0.4%
Population growth rank 137/197 183/197
Age at first childbirth 24.6 years 24.9 years
Average age at childbearing 26 years 29.9 years
Annual births per 1,000 women ages 15-19 34.5 25
Annual births per 1,000 women ages 20-29 111.6 144.7
Annual births per 1,000 women ages 30+ 9.97 40.5
Female of reproductive age (15-49), share of population 26.3% 25.6%
Any modern method of contraceptive prevalence among married women ages 15-49 13.9% 25.2%
Share of births attended by skilled health staff 99.9% 98.3%
Maternal mortality per live birth 0.02% 0.07%
Neonatal mortality rate (before reaching 28 days of age) 1.28% 0.43%
Infant mortality rate (before reaching 1 year of age) 1.33% 0.8%
Mortality rate before reaching 5 years of age 1.86% 0.99%
Life expectancy 74.9 years 73.4 years

Children 0-14 years as share of population

Azerbaijan
Factual

UN forecast
Tonga
Factual

UN forecast
1x
Year Young
Azerbaijan Tonga
2100 14% 17.5%
2099 14% 17.6%
2098 14% 17.7%
2097 14% 17.7%
2096 14.1% 17.9%
2095 14.1% 18%
2094 14.1% 18.1%
2093 14.2% 18.3%
2092 14.3% 18.4%
2091 14.3% 18.6%
2090 14.4% 18.8%
2089 14.4% 19%
2088 14.5% 19.3%
2087 14.6% 19.5%
2086 14.6% 19.7%
2085 14.7% 20%
2084 14.7% 20.2%
2083 14.8% 20.4%
2082 14.8% 20.7%
2081 14.9% 20.9%
2080 14.9% 21.1%
2079 14.9% 21.3%
2078 14.9% 21.5%
2077 14.9% 21.7%
2076 14.8% 21.9%
2075 14.8% 22%
2074 14.8% 22.2%
2073 14.7% 22.3%
2072 14.7% 22.4%
2071 14.7% 22.6%
2070 14.7% 22.7%
2069 14.7% 22.8%
2068 14.7% 23%
2067 14.7% 23.2%
2066 14.7% 23.4%
2065 14.8% 23.6%
2064 14.8% 23.8%
2063 14.9% 24.1%
2062 15% 24.4%
2061 15.1% 24.7%
2060 15.2% 25%
2059 15.4% 25.4%
2058 15.5% 25.8%
2057 15.6% 26.2%
2056 15.8% 26.6%
2055 15.9% 27%
2054 16.1% 27.4%
2053 16.2% 27.8%
2052 16.3% 28.2%
2051 16.4% 28.5%
2050 16.6% 28.9%
2049 16.7% 29.1%
2048 16.7% 29.4%
2047 16.8% 29.6%
2046 16.8% 29.7%
2045 16.9% 29.8%
2044 16.9% 29.9%
2043 16.9% 30%
2042 16.8% 30.1%
2041 16.8% 30.1%
2040 16.8% 30.2%
2039 16.8% 30.2%
2038 16.8% 30.3%
2037 16.9% 30.4%
2036 17% 30.6%
2035 17.1% 30.7%
2034 17.4% 30.9%
2033 17.5% 31.1%
2032 17.7% 31.4%
2031 18.1% 31.8%
2030 18.6% 32.3%
2029 19.1% 33%
2028 19.7% 33.6%
2027 20.3% 34.1%
2026 20.9% 34.6%
2025 21.5% 35.2%
2024 21.8% 35.4%
2023 22.3% 35.6%
2022 22.8% 35.6%
2021 23.1% 35.7%
2020 23.4% 35.8%
2019 23.5% 36%
2018 23.8% 36.2%
2017 23.9% 36.4%
2016 23.8% 36.5%
2015 23.5% 36.7%
2014 23.1% 36.9%
2013 22.7% 37.1%
2012 22.3% 37.2%
2011 22.2% 37.4%
2010 22.3% 37.6%
2009 22.7% 37.8%
2008 23.2% 38%
2007 23.8% 38.3%
2006 24.4% 38.3%
2005 25.1% 38.3%
2004 26% 38.2%
2003 27% 38.1%
2002 28.1% 38.1%
2001 29.2% 38.2%
2000 30.3% 38.3%
1999 31.4% 38.6%
1998 32.2% 38.9%
1997 32.8% 39.3%
1996 33.2% 39.7%
1995 33.6% 39.9%
1994 33.9% 40.1%
1993 34% 40.3%
1992 34.1% 40.5%
1991 34% 40.6%
1990 33.8% 40.8%
1989 33.5% 40.9%
1988 33.2% 41.2%
1987 33.1% 41.5%
1986 33.2% 41.7%
1985 33.4% 42%
1984 33.5% 42.4%
1983 33.8% 42.9%
1982 34% 43.4%
1981 34.4% 43.9%
1980 35% 44.3%
1979 35.6% 44.8%
1978 36.7% 45.3%
1977 38.1% 45.8%
1976 39.4% 46.1%
1975 40.6% 46.2%
1974 41.7% 46.2%
1973 42.7% 46.2%
1972 43.6% 46.3%
1971 44.3% 46.4%
1970 44.9% 46.4%
1969 45.3% 46.3%
1968 45.6% 46.2%
1967 45.7% 46%
1966 45.6% 45.9%
1965 45.3% 45.9%
1964 44.9% 45.9%
1963 44.2% 45.9%
1962 43.3% 45.8%
1961 42% 45.7%
1960 40.4% 45.7%

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/azerbaijan/tonga | CC BY

Children aged 0-14 make up 21.8% of the population in Azerbaijan and 35.4% in Tonga in 2024, compared to 33.8% and 40.8% respectively in 1990.

Demographics of Azerbaijan and Tonga compared.

Fertility rates around the globe

1x

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

GeoRank.org/birth-rate/azerbaijan/tonga | CC BY

Maternal mortality chart: Azerbaijan vs Tonga

Azerbaijan
Tonga
1x
Year Maternal mortality per 100K births
Azerbaijan Tonga
2023 18 67
2022 32 72
2021 55 76
2020 21 74
2019 21 73
2018 21 74
2017 22 77
2016 22 78
2015 21 79
2014 23 80
2013 24 80
2012 28 83
2011 27 84
2010 28 85
2009 29 91
2008 30 88
2007 33 88
2006 33 89
2005 40 92
2004 40 92
2003 41 95
2002 40 98
2001 45 98
2000 46 100
1999 51 99
1998 54 104
1997 59 111
1996 58 113
1995 64 117
1994 58 123
1993 54 127
1992 56 129
1991 43 134
1990 41 138
1989 43 139
1988 45 145
1987 45 147
1986 48 149
1985 45 148

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

GeoRank.org/birth-rate/azerbaijan/tonga | CC BY

The maternal mortality rate, which is the probability of dying during childbirth or within 42 days of pregnancy termination, is 18 deaths per 100,000 live births in Azerbaijan, compared to 67 deaths in Tonga.

Under-five mortality rates

Azerbaijan
Tonga

Probability that a newborn baby will die before reaching age five

1x
Year Under 5 mortality rate
Azerbaijan Tonga
2023 1.86% 0.99%
2022 1.94% 1.02%
2021 2.04% 1.05%
2020 2.13% 1.08%
2019 2.24% 1.1%
2018 2.36% 1.12%
2017 2.49% 1.15%
2016 2.63% 1.17%
2015 2.78% 1.19%
2014 2.95% 1.22%
2013 3.12% 1.24%
2012 3.32% 1.26%
2011 3.54% 1.29%
2010 3.77% 1.31%
2009 4.01% 1.34%
2008 4.27% 1.37%
2007 4.55% 1.41%
2006 4.85% 1.44%
2005 5.18% 1.48%
2004 5.55% 1.52%
2003 5.96% 1.56%
2002 6.41% 1.61%
2001 6.9% 1.65%
2000 7.4% 1.7%
1999 7.91% 1.74%
1998 8.37% 1.78%
1997 8.78% 1.81%
1996 9.1% 1.85%
1995 9.34% 1.89%
1994 9.47% 1.94%
1993 9.52% 2%
1992 9.52% 2.06%
1991 9.5% 2.14%
1990 9.48% 2.21%
1989 9.52% 2.29%
1988 9.62% 2.37%
1987 9.77% 2.44%
1986 9.96% 2.51%
1985 10.2% 2.57%
1984 10.4% 2.63%
1983 10.7% 2.7%
1982 10.9% 2.78%
1981 - 2.87%
1980 - 2.97%
1979 - 3.09%
1978 - 3.22%
1977 - 3.37%
1976 - 3.53%
1975 - 3.71%
1974 - 3.9%
1973 - 4.11%
1972 - 4.35%
1971 - 4.61%
1970 - 4.91%
1969 - 5.25%
1968 - 5.63%
1967 - 6.03%
1966 - 6.45%
1965 - 6.89%
1964 - 7.35%
1963 - 7.83%

Data sources: World Bank | Health (1963–2023, retrieved 2026-04-06).

GeoRank.org/birth-rate/azerbaijan/tonga | CC BY

The chance that a newborn baby will die before reaching age five is 1.86% in Azerbaijan and 0.99% in Tonga. 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. United Nations Economic Commission for Europe (UNECE) (2021, retrieved 2026-03-10)
  4. Central Intelligence Agency (CIA) (2025, retrieved 2026-02-20)

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