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Fertility & birth rates in Kazakhstan and Tanzania

Updated on by Georank team

Kazakhstan has an annual birth rate of 20.1 births per 1,000 people, compared to 35.2 for Tanzania. The average number of children a woman is expected to have during her lifetime — the fertility rate, is 3.01 in Kazakhstan and 4.61 in Tanzania — 52.9% difference.

1960 vs 2023, the fertility rate has decreased by 33% in Kazakhstan and by 29.5% in Tanzania — in 1960, it was 4.5 and 6.54, respectively.

  • Kazakhstan is ranked 76/196 by birth rate compared to 10/196 for Tanzania.
  • The mean age for first-time mothers is 29.5 years in Kazakhstan, compared to 19.9 years in Tanzania.
  • The mean age at childbearing (for all the births, not just the first) is 29.1 in Kazakhstan — it's 28.9 in Tanzania.
  • Annual births per 1,000 women ages 15-19 (adolescent birth rate or teenage mother rate) is 18.2 in Kazakhstan vs 113.2 in Tanzania.
  • In Kazakhstan, 23.5% of the population is composed of women of reproductive age (15-49), compared to 24.2% in Tanzania.

Fertility rate in Kazakhstan vs Tanzania by year

Kazakhstan
Tanzania
1x
Year Fertility rate
Kazakhstan Tanzania
2023 3.01 4.61
2022 3.05 4.67
2021 3.32 4.73
2020 3.13 4.8
2019 2.89 4.87
2018 2.85 4.93
2017 2.75 4.99
2016 2.8 5.01
2015 2.76 5.03
2014 2.76 5.12
2013 2.67 5.16
2012 2.64 5.14
2011 2.61 5.14
2010 2.61 5.23
2009 2.58 5.26
2008 2.62 5.32
2007 2.49 5.4
2006 2.38 5.51
2005 2.27 5.58
2004 2.2 5.6
2003 2.08 5.58
2002 1.96 5.57
2001 1.91 5.62
2000 1.9 5.67
1999 1.9 5.75
1998 1.94 5.81
1997 1.97 5.84
1996 2.08 5.83
1995 2.25 5.82
1994 2.38 5.89
1993 2.48 6
1992 2.58 6.08
1991 2.68 6.14
1990 2.75 6.2
1989 2.87 6.3
1988 3 6.38
1987 3.12 6.41
1986 3.19 6.49
1985 3.21 6.6
1984 3.15 6.72
1983 3.07 6.81
1982 3.02 6.87
1981 3.05 6.93
1980 3.09 6.99
1979 3.14 7.04
1978 3.16 7.06
1977 3.26 7.07
1976 3.33 7.09
1975 3.4 7.1
1974 3.45 7.12
1973 3.51 7.06
1972 3.55 7.05
1971 3.53 7.04
1970 3.51 7
1969 3.51 6.95
1968 3.63 6.9
1967 3.77 6.86
1966 3.82 6.8
1965 3.88 6.73
1964 4.07 6.68
1963 4.26 6.65
1962 4.36 6.61
1961 4.42 6.56
1960 4.5 6.54

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

GeoRank.org/birth-rate/kazakhstan/tanzania | CC BY

According to the latest available data on birth rates, the fertility rate in Kazakhstan was 3.01 children per woman in 2023, compared to 4.61 in Tanzania in 2023. The replacement level is considered to be 2.1 children per woman.

Check Kazakhstan vs Tanzania population clock for a dynamic visualization of the changing population.

Natural population change by year

Kazakhstan
Tanzania
1x
Year Natural population change
Kazakhstan Tanzania
2023 273,013 1,960,623
2022 277,019 1,927,960
2021 269,026 1,880,137
2020 272,458 1,861,377
2019 278,788 1,816,669
2018 278,917 1,777,852
2017 268,066 1,726,909
2016 277,878 1,659,502
2015 273,523 1,592,882
2014 274,406 1,565,630
2013 259,239 1,509,008
2012 249,987 1,439,325
2011 237,883 1,384,886
2010 230,479 1,363,477
2009 218,036 1,332,015
2008 214,169 1,303,728
2007 188,486 1,278,285
2006 166,480 1,257,927
2005 146,619 1,224,165
2004 132,286 1,175,379
2003 112,137 1,118,435
2002 93,564 1,063,195
2001 84,279 1,026,242
2000 80,699 985,185
1999 79,536 948,659
1998 85,735 920,806
1997 92,778 882,544
1996 112,384 868,524
1995 140,721 838,980
1994 165,631 803,953
1993 185,649 778,044
1992 204,785 767,961
1991 221,581 762,011
1990 235,113 750,825
1989 254,394 743,854
1988 275,278 736,551
1987 290,227 718,580
1986 295,818 705,677
1985 293,834 697,867
1984 278,485 687,435
1983 260,471 679,720
1982 246,983 662,627
1981 243,652 645,496
1980 238,977 629,444
1979 237,442 613,388
1978 225,895 595,024
1977 224,284 574,938
1976 221,992 553,617
1975 219,748 533,906
1974 217,668 515,152
1973 215,940 488,429
1972 212,319 467,305
1971 202,450 449,014
1970 191,775 427,988
1969 184,118 408,322
1968 186,254 389,467
1967 191,536 374,763
1966 191,506 360,229
1965 194,470 343,456
1964 208,899 328,527
1963 223,105 314,644
1962 228,177 300,663
1961 228,686 286,839
1960 226,027 275,814

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

GeoRank.org/birth-rate/kazakhstan/tanzania | 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 +1.34% in Kazakhstan and +2.94% in Tanzania.

For the past 10 years, the annual natural population change has been +1.44% in Kazakhstan and +3.05% in Tanzania.

Birth rate in Kazakhstan vs Tanzania by year

Kazakhstan
Tanzania

Annual births per 1,000 people

1x
Year Annual births per 1,000 people
Kazakhstan Tanzania
2023 20.1 35.2
2022 20.8 35.6
2021 23.3 36
2020 22.6 36.4
2019 21.4 36.9
2018 21.7 37.3
2017 21.4 37.6
2016 22.3 37.6
2015 22.5 37.6
2014 23 38.4
2013 22.6 38.4
2012 22.6 38.1
2011 22.5 38.1
2010 22.6 38.8
2009 22.4 39.2
2008 22.7 39.6
2007 21.5 40.2
2006 20.5 41
2005 19.4 41.5
2004 18.7 41.5
2003 17.5 41.3
2002 16.4 41.2
2001 15.9 41.4
2000 15.8 41.5
1999 15.8 41.8
1998 16.3 42.1
1997 16.5 42.1
1996 17.4 42.3
1995 18.7 41.9
1994 19.8 41.5
1993 20.5 41.7
1992 21.4 42.3
1991 22.2 42.7
1990 23 43
1989 24.2 43.5
1988 25.7 44
1987 27 44.3
1986 27.8 44.9
1985 28.2 45.7
1984 27.6 46.4
1983 26.9 47.1
1982 26.4 47.5
1981 26.6 47.9
1980 26.7 48.3
1979 25.7 48.8
1978 25.2 49.2
1977 25.5 49.5
1976 25.7 49.8
1975 25.9 50.2
1974 26.2 50.6
1973 26.4 50.3
1972 26.5 50.4
1971 26.2 50.6
1970 25.7 50.4
1969 25.5 50.3
1968 26.2 50.2
1967 27.3 50.3
1966 27.9 50.2
1965 28.9 49.9
1964 31.1 49.8
1963 33.4 49.7
1962 34.9 49.4
1961 36 49.1
1960 36.8 49

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

GeoRank.org/birth-rate/kazakhstan/tanzania | CC BY

The latest reported birth rate per 1,000 people in 2023 was 20.1 in Kazakhstan and 35.2 in Tanzania, compared with 36.8 and 49, respectively, in 1960.

Birth rate data compared

Kazakhstan Tanzania
Fertility rate 3.01 4.61
Fertility rate rank 57/196 12/196
Birth rate 20.1 35.2
Birth rate rank 76/196 10/196
Population change due to births and deaths +273,013 +1,960,623
Natural population change rank 53/196 8/196
Natural population change rate +1.34% +2.94%
Population growth +1.29% +2.92%
Population growth rank 82/197 18/197
Age at first childbirth 29.5 years 19.9 years
Average age at childbearing 29.1 years 28.9 years
Annual births per 1,000 women ages 15-19 16.6 111.5
Annual births per 1,000 women ages 20-29 162.9 199.8
Annual births per 1,000 women ages 30+ 31 71.3
Female of reproductive age (15-49), share of population 23.5% 24.2%
Any modern method of contraceptive prevalence among married women ages 15-49 50.1% 31.1%
Share of births attended by skilled health staff 99.9% 63.5%
Maternal mortality per live birth 0.01% 0.28%
Neonatal mortality rate (before reaching 28 days of age) 0.43% 2.06%
Infant mortality rate (before reaching 1 year of age) 0.76% 2.99%
Mortality rate before reaching 5 years of age 0.96% 3.89%
Life expectancy 74.8 years 67.6 years

Children 0-14 years as share of population

Kazakhstan
Factual

UN forecast
Tanzania
Factual

UN forecast
1x
Year Young
Kazakhstan Tanzania
2100 17.5% 23.4%
2099 17.6% 23.6%
2098 17.7% 23.8%
2097 17.8% 23.9%
2096 18% 24.1%
2095 18.1% 24.3%
2094 18.3% 24.5%
2093 18.4% 24.7%
2092 18.6% 24.8%
2091 18.8% 25%
2090 18.9% 25.2%
2089 19.1% 25.4%
2088 19.2% 25.6%
2087 19.4% 25.8%
2086 19.5% 26%
2085 19.6% 26.2%
2084 19.8% 26.4%
2083 19.9% 26.6%
2082 20% 26.8%
2081 20% 27.1%
2080 20.1% 27.3%
2079 20.2% 27.5%
2078 20.3% 27.7%
2077 20.3% 28%
2076 20.4% 28.2%
2075 20.5% 28.4%
2074 20.6% 28.7%
2073 20.7% 28.9%
2072 20.8% 29.1%
2071 20.9% 29.4%
2070 21% 29.6%
2069 21.2% 29.8%
2068 21.4% 30.1%
2067 21.5% 30.3%
2066 21.7% 30.6%
2065 22% 30.8%
2064 22.2% 31.1%
2063 22.4% 31.3%
2062 22.7% 31.6%
2061 22.9% 31.9%
2060 23.2% 32.1%
2059 23.4% 32.4%
2058 23.7% 32.7%
2057 23.9% 32.9%
2056 24.1% 33.2%
2055 24.3% 33.5%
2054 24.4% 33.8%
2053 24.5% 34.1%
2052 24.6% 34.3%
2051 24.7% 34.6%
2050 24.7% 34.9%
2049 24.7% 35.2%
2048 24.7% 35.5%
2047 24.7% 35.8%
2046 24.7% 36.1%
2045 24.6% 36.4%
2044 24.6% 36.7%
2043 24.5% 37%
2042 24.5% 37.3%
2041 24.6% 37.6%
2040 24.6% 37.9%
2039 24.7% 38.3%
2038 24.9% 38.6%
2037 25.2% 39%
2036 25.6% 39.3%
2035 25.9% 39.6%
2034 26.3% 40%
2033 26.6% 40.3%
2032 27% 40.7%
2031 27.3% 41%
2030 27.7% 41.3%
2029 28% 41.6%
2028 28.4% 41.8%
2027 28.7% 42.1%
2026 29% 42.2%
2025 29.3% 42.4%
2024 29.4% 42.5%
2023 29.5% 42.7%
2022 29.6% 42.9%
2021 29.5% 43.1%
2020 29.2% 43.4%
2019 29% 43.6%
2018 28.8% 43.8%
2017 28.5% 44%
2016 28.1% 44.2%
2015 27.7% 44.5%
2014 27.2% 44.8%
2013 26.7% 44.9%
2012 26.2% 45.1%
2011 25.7% 45.2%
2010 25.4% 45.3%
2009 25.1% 45.3%
2008 24.9% 45.1%
2007 24.7% 45%
2006 24.7% 44.9%
2005 24.8% 44.8%
2004 25.1% 44.7%
2003 25.6% 44.6%
2002 26.2% 44.6%
2001 26.9% 44.5%
2000 27.6% 44.6%
1999 28.3% 44.7%
1998 29% 44.7%
1997 29.6% 44.8%
1996 30.1% 44.7%
1995 30.5% 44.5%
1994 30.8% 44.9%
1993 31.1% 45.5%
1992 31.4% 46%
1991 31.6% 46.2%
1990 31.7% 46.3%
1989 31.9% 46.5%
1988 32.1% 46.7%
1987 32.4% 46.9%
1986 32.6% 47.2%
1985 32.6% 47.4%
1984 32.6% 47.5%
1983 32.6% 47.6%
1982 32.7% 47.5%
1981 32.8% 47.4%
1980 33% 47.2%
1979 32.9% 46.9%
1978 32.8% 46.7%
1977 33.1% 46.6%
1976 33.3% 46.5%
1975 33.6% 46.4%
1974 34.1% 46.3%
1973 34.7% 46.2%
1972 35.2% 46.1%
1971 35.6% 46.1%
1970 36.1% 46%
1969 36.5% 45.9%
1968 37% 45.8%
1967 37.4% 45.6%
1966 37.8% 45.4%
1965 38.1% 45.2%
1964 38.4% 45%
1963 38.5% 44.8%
1962 38.4% 44.8%
1961 38% 44.8%
1960 37.2% 44.9%

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/kazakhstan/tanzania | CC BY

Children aged 0-14 make up 29.4% of the population in Kazakhstan and 42.5% in Tanzania in 2024, compared to 31.7% and 46.3% respectively in 1990.

Demographics of Kazakhstan and Tanzania compared.

Fertility rates around the globe

1x

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

GeoRank.org/birth-rate/kazakhstan/tanzania | CC BY

Maternal mortality chart: Kazakhstan vs Tanzania

Kazakhstan
Tanzania
1x
Year Maternal mortality per 100K births
Kazakhstan Tanzania
2023 10 276
2022 14 152
2021 23 162
2020 18 160
2019 11 292
2018 11 319
2017 12 345
2016 12 396
2015 13 433
2014 14 454
2013 15 479
2012 17 448
2011 19 475
2010 22 486
2009 25 502
2008 28 511
2007 32 453
2006 35 366
2005 38 350
2004 41 365
2003 45 397
2002 48 454
2001 53 493
2000 58 568
1999 63 635
1998 68 739
1997 71 777
1996 72 775
1995 72 797
1994 70 816
1993 67 851
1992 65 864
1991 64 873
1990 64 900
1989 64 927
1988 65 949
1987 66 964
1986 67 971
1985 68 980

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

GeoRank.org/birth-rate/kazakhstan/tanzania | CC BY

The maternal mortality rate, which is the probability of dying during childbirth or within 42 days of pregnancy termination, is 10 deaths per 100,000 live births in Kazakhstan, compared to 276 deaths in Tanzania.

Under-five mortality rates

Kazakhstan
Tanzania

Probability that a newborn baby will die before reaching age five

1x
Year Under 5 mortality rate
Kazakhstan Tanzania
2023 0.96% 3.89%
2022 0.98% 4.05%
2021 1% 4.22%
2020 1.01% 4.42%
2019 1.02% 4.6%
2018 1.03% 4.8%
2017 1.05% 5.02%
2016 1.1% 5.25%
2015 1.19% 5.48%
2014 1.3% 5.67%
2013 1.46% 5.95%
2012 1.63% 6.21%
2011 1.83% 6.5%
2010 2.04% 6.86%
2009 2.25% 7.24%
2008 2.47% 7.7%
2007 2.69% 8.16%
2006 2.9% 8.69%
2005 3.12% 9.24%
2004 3.33% 9.86%
2003 3.54% 10.5%
2002 3.76% 11.3%
2001 3.99% 12.1%
2000 4.25% 12.8%
1999 4.51% 13.6%
1998 4.76% 14.2%
1997 4.99% 14.8%
1996 5.16% 15.2%
1995 5.26% 15.6%
1994 5.28% 15.9%
1993 5.23% 16.1%
1992 5.16% 16.3%
1991 5.13% 16.5%
1990 5.16% 16.7%
1989 5.23% 16.9%
1988 5.37% 17.2%
1987 5.54% 17.4%
1986 5.73% 17.6%
1985 5.94% 17.7%
1984 6.16% 17.8%
1983 6.38% 17.8%
1982 6.6% 17.8%
1981 6.83% 17.8%
1980 7.05% 17.9%
1979 7.24% 18.1%
1978 7.39% 18.4%
1977 7.53% 18.8%
1976 7.66% 19.2%
1975 7.8% 19.6%
1974 7.96% 20.1%
1973 8.14% 20.5%
1972 8.33% 20.9%
1971 8.54% 21.2%
1970 - 21.6%
1969 - 21.9%
1968 - 22.2%
1967 - 22.5%
1966 - 22.8%
1965 - 23.1%
1964 - 23.4%
1963 - 23.6%
1962 - 23.8%
1961 - 24%
1960 - 24.2%

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

GeoRank.org/birth-rate/kazakhstan/tanzania | CC BY

The chance that a newborn baby will die before reaching age five is 0.96% in Kazakhstan and 3.89% in Tanzania. 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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