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Fertility & birth rates in Tanzania and Trinidad and Tobago

Updated on by Georank team

Tanzania has an annual birth rate of 35.2 births per 1,000 people, compared to 10.7 for Trinidad and Tobago. The average number of children a woman is expected to have during her lifetime — the fertility rate, is 4.61 in Tanzania and 1.53 in Trinidad and Tobago — 66.7% difference.

1960 vs 2023, the fertility rate has decreased by -29.5% in Tanzania and by -71.7% in Trinidad and Tobago — in 1960, it was 6.54 and 5.41, respectively.

Birth rates facts compared:

  • Tanzania is ranked 10/196 by birth rate compared to 139/196 for Trinidad and Tobago.
  • The mean age at childbearing (for all the births, not just the first) is 28.9 in Tanzania — it's 27.8 in Trinidad and Tobago.
  • Annual births per 1,000 women ages 15-19 (adolescent birth rate or teenage mother rate) is 113.2 in Tanzania vs 36 in Trinidad and Tobago.
  • In Tanzania, 24.2% of the population is composed of women of reproductive age (15-49), compared to 25.4% in Trinidad and Tobago.
  • Excluding migration, the natural population change due to births and deaths from 2022 to 2023 was +2.94% in Tanzania and +0.23% in Trinidad and Tobago.

Birth rate data compared

Tanzania Trinidad
Fertility rate 4.61 1.53
Birth rate 35.2 10.7
Birth rate rank 10/196 139/196
Age at first childbirth 19.9 years n/a
Average age at childbearing 28.9 years 27.8 years
Annual births per 1,000 women ages 15-19 111.5 35.7
Annual births per 1,000 women ages 20-29 199.5 78.9
Annual births per 1,000 women ages 30+ 71.2 13.1
Female of reproductive age (15-49), share of population 24.2% 25.4%
Any modern method of contraceptive prevalence among married women ages 15-49 31.1% 30.5%
Share of births attended by skilled health staff 63.5% 100%
Maternal mortality per live birth 0.28% 0.05%
Neonatal mortality rate (before reaching 28 days of age) 2.06% 1.29%
Infant mortality rate (before reaching 1 year of age) 2.99% 1.72%
Mortality rate before reaching 5 years of age, per 1,000 live births 3.89% 1.91%
Population change due to births and deaths +1,960,623 +3,200
Natural population change rank 8/196 134/196
Natural population change rate +2.94% +0.23%
Population growth +2.92% +0.06%
Population growth rank 19/197 161/197
Life expectancy 67.4 years 73.7 years

Fertility rate in Tanzania vs Trinidad and Tobago chart

According to the latest available data on birth rates, the fertility rate in Tanzania was 4.61 children per woman in 2023, compared to 1.53 in Trinidad and Tobago in 2023. The replacement level is considered to be 2.1 children per woman.

Check Tanzania vs Trinidad and Tobago population clock for a dynamic visualization of the changing population.

The chart below showcases historical changes in the birth rates.

Tanzania
Factual

UN forecast
Trinidad and Tobago
Factual

UN forecast

Births per woman

Year Fertility rate
Tanzania Trinidad
1960 6.54 5.41
1961 6.56 5.41
1962 6.61 5.36
1963 6.65 5.24
1964 6.68 5.08
1965 6.73 4.88
1966 6.8 4.62
1967 6.86 4.35
1968 6.9 4.11
1969 6.95 3.86
1970 7 3.71
1971 7.04 3.61
1972 7.05 3.55
1973 7.06 3.47
1974 7.12 3.32
1975 7.1 3.21
1976 7.09 3.14
1977 7.07 3.12
1978 7.06 3.13
1979 7.04 3.13
1980 6.99 3.15
1981 6.93 3.13
1982 6.87 3.11
1983 6.81 3.07
1984 6.72 3.02
1985 6.6 2.99
1986 6.49 2.9
1987 6.41 2.78
1988 6.38 2.65
1989 6.3 2.53
1990 6.2 2.39
1991 6.14 2.29
1992 6.08 2.21
1993 6 2.13
1994 5.89 2.06
1995 5.82 1.97
1996 5.83 1.89
1997 5.84 1.83
1998 5.81 1.78
1999 5.75 1.76
2000 5.67 1.73
2001 5.62 1.71
2002 5.57 1.67
2003 5.58 1.65
2004 5.6 1.63
2005 5.58 1.63
2006 5.51 1.62
2007 5.4 1.62
2008 5.32 1.62
2009 5.26 1.62
2010 5.23 1.61
2011 5.14 1.61
2012 5.14 1.61
2013 5.16 1.6
2014 5.12 1.6
2015 5.03 1.6
2016 5.01 1.6
2017 4.99 1.59
2018 4.93 1.59
2019 4.87 1.58
2020 4.8 1.57
2021 4.73 1.56
2022 4.67 1.54
2023 4.61 1.53
2024 4.54 1.54
2025 4.47 1.52
2026 4.41 1.52
2027 4.34 1.51
2028 4.28 1.51
2029 4.22 1.51
2030 4.16 1.51
2031 4.11 1.51
2032 4.04 1.51
2033 3.98 1.51
2034 3.94 1.51
2035 3.88 1.51
2036 3.83 1.51
2037 3.76 1.51
2038 3.72 1.51
2039 3.67 1.51
2040 3.63 1.51
2041 3.57 1.51
2042 3.54 1.51
2043 3.49 1.51
2044 3.46 1.51
2045 3.4 1.51
2046 3.39 1.51
2047 3.35 1.51
2048 3.31 1.52
2049 3.25 1.52
2050 3.23 1.52

Children 0-14 years as share of population

Tanzania
Factual

UN forecast
Trinidad and Tobago
Factual

UN forecast
Year Share of people 0-14 years old
Tanzania Trinidad
1960 44.9% 43.1%
1961 44.8% 43.2%
1962 44.8% 43.2%
1963 44.8% 43.3%
1964 45% 43.2%
1965 45.2% 43.1%
1966 45.4% 42.9%
1967 45.6% 42.7%
1968 45.8% 42.3%
1969 45.9% 41.9%
1970 46% 41.2%
1971 46.1% 40.4%
1972 46.1% 39.7%
1973 46.2% 39.1%
1974 46.3% 38.4%
1975 46.4% 37.6%
1976 46.5% 36.8%
1977 46.6% 36%
1978 46.7% 35.3%
1979 46.9% 34.8%
1980 47.2% 34.4%
1981 47.4% 34.2%
1982 47.5% 34.2%
1983 47.6% 34.2%
1984 47.5% 34.3%
1985 47.4% 34.4%
1986 47.2% 34.4%
1987 46.9% 34.4%
1988 46.7% 34.2%
1989 46.5% 34%
1990 46.3% 33.7%
1991 46.2% 33.3%
1992 46% 32.8%
1993 45.5% 32.2%
1994 44.9% 31.6%
1995 44.5% 30.8%
1996 44.7% 29.9%
1997 44.8% 28.9%
1998 44.7% 27.9%
1999 44.7% 27%
2000 44.6% 26%
2001 44.5% 25%
2002 44.6% 24.2%
2003 44.6% 23.4%
2004 44.7% 22.7%
2005 44.8% 22.1%
2006 44.9% 21.6%
2007 45% 21.2%
2008 45.1% 20.8%
2009 45.3% 20.5%
2010 45.3% 20.3%
2011 45.2% 20.1%
2012 45.1% 20%
2013 44.9% 19.9%
2014 44.8% 19.7%
2015 44.5% 19.6%
2016 44.2% 19.5%
2017 44% 19.3%
2018 43.8% 19%
2019 43.6% 18.8%
2020 43.4% 18.7%
2021 43.1% 18.5%
2022 42.9% 18.3%
2023 42.7% 18%
2024 42.5% 17.8%
2025 42.3% 17.5%
2026 42.1% 17.2%
2027 41.9% 16.9%
2028 41.7% 16.6%
2029 41.4% 16.4%
2030 41.1% 16.1%
2031 40.9% 15.8%
2032 40.5% 15.5%
2033 40.2% 15.3%
2034 39.8% 15.1%
2035 39.5% 14.9%
2036 39.1% 14.7%
2037 38.8% 14.5%
2038 38.4% 14.4%
2039 38.1% 14.2%
2040 37.8% 14.1%
2041 37.5% 14.1%
2042 37.1% 14%
2043 36.8% 13.9%
2044 36.5% 13.9%
2045 36.2% 13.8%
2046 35.9% 13.8%
2047 35.6% 13.7%
2048 35.4% 13.7%
2049 35.1% 13.6%
2050 34.8% 13.6%

Children aged 0-14 make up 42.5% of the population in Tanzania and 17.8% in Trinidad and Tobago in 2024, compared to 46.3% and 33.7% respectively in 1990.

Demographics of Tanzania and Trinidad and Tobago compared.

Natural population change in Tanzania vs Trinidad and Tobago by year

For the past 10 years, the annual natural population change (excluding migration) has been +3.05% in Tanzania and +0.41% in Trinidad and Tobago. The chart below illustrates the comparison of the absolute yearly changes resulting from births and deaths.

Tanzania
Trinidad and Tobago

Natural population change

Year Population change due to births and deaths
Tanzania Trinidad
1960 275,814 24,766
1961 286,839 25,518
1962 300,663 25,763
1963 314,644 25,507
1964 328,527 25,065
1965 343,456 24,349
1966 360,229 23,228
1967 374,763 21,992
1968 389,467 20,849
1969 408,322 19,652
1970 427,988 19,074
1971 449,014 19,400
1972 467,305 20,116
1973 488,429 20,617
1974 515,152 20,412
1975 533,906 20,468
1976 553,617 20,875
1977 574,938 21,660
1978 595,024 22,538
1979 613,388 23,475
1980 629,444 24,557
1981 645,496 25,015
1982 662,627 25,181
1983 679,720 25,118
1984 687,435 24,738
1985 697,867 24,487
1986 705,677 23,705
1987 718,580 22,398
1988 736,551 21,028
1989 743,854 19,636
1990 750,825 18,052
1991 762,011 16,903
1992 767,961 15,910
1993 778,044 14,878
1994 803,953 14,032
1995 838,980 12,971
1996 868,524 12,101
1997 882,544 11,405
1998 920,806 10,964
1999 948,659 10,821
2000 985,185 10,588
2001 1,026,242 10,438
2002 1,063,195 10,316
2003 1,118,435 10,169
2004 1,175,379 10,149
2005 1,224,165 9,822
2006 1,257,927 9,889
2007 1,278,285 9,939
2008 1,303,728 9,872
2009 1,332,015 9,769
2010 1,363,477 9,698
2011 1,384,886 9,601
2012 1,439,325 9,376
2013 1,509,008 9,020
2014 1,565,630 8,571
2015 1,592,882 7,963
2016 1,659,502 7,436
2017 1,726,909 6,779
2018 1,777,852 5,869
2019 1,816,669 5,647
2020 1,861,377 4,558
2021 1,880,137 2,091
2022 1,927,960 3,773
2023 1,960,623 3,200

Fertility rates around the globe

Fertility rate

Maternal mortality chart: Tanzania vs Trinidad and Tobago

The maternal mortality rate, which is the probability of dying during childbirth or within 42 days of pregnancy termination, is 276 deaths per 100,000 live births in Tanzania, compared to 54 deaths in Trinidad and Tobago.

Tanzania
Trinidad and Tobago
Year Maternal mortality per 100K births
Tanzania Trinidad
1985 980 87
1986 971 89
1987 964 86
1988 949 87
1989 927 86
1990 900 84
1991 873 82
1992 864 85
1993 851 85
1994 816 84
1995 797 85
1996 775 84
1997 777 82
1998 739 79
1999 635 78
2000 568 76
2001 493 72
2002 454 69
2003 397 67
2004 365 63
2005 350 60
2006 366 58
2007 453 57
2008 511 55
2009 502 54
2010 486 54
2011 475 53
2012 448 51
2013 479 50
2014 454 50
2015 433 50
2016 396 51
2017 345 51
2018 319 53
2019 292 53
2020 160 35
2021 162 54
2022 152 30
2023 276 54

Under-five mortality rates

The chance that a newborn baby will die before reaching age five is 3.89% in Tanzania and 1.91% in Trinidad and Tobago. Below is the historical data on under-five mortality rates.

Tanzania
Trinidad and Tobago

Probability that a newborn baby will die before reaching age five

Year Mortality rate before reaching 5 years of age, per 1,000 live births
Tanzania Trinidad
1960 24.2% 6.74%
1961 24% 6.53%
1962 23.8% 6.33%
1963 23.6% 6.14%
1964 23.4% 5.96%
1965 23.1% 5.8%
1966 22.8% 5.66%
1967 22.5% 5.53%
1968 22.2% 5.4%
1969 21.9% 5.28%
1970 21.6% 5.17%
1971 21.2% 5.06%
1972 20.9% 4.95%
1973 20.5% 4.84%
1974 20.1% 4.72%
1975 19.6% 4.6%
1976 19.2% 4.48%
1977 18.8% 4.37%
1978 18.4% 4.25%
1979 18.1% 4.14%
1980 17.9% 4.03%
1981 17.8% 3.92%
1982 17.8% 3.83%
1983 17.8% 3.73%
1984 17.8% 3.64%
1985 17.7% 3.56%
1986 17.6% 3.49%
1987 17.4% 3.42%
1988 17.2% 3.36%
1989 16.9% 3.3%
1990 16.7% 3.25%
1991 16.5% 3.21%
1992 16.3% 3.16%
1993 16.1% 3.13%
1994 15.9% 3.09%
1995 15.6% 3.06%
1996 15.2% 3.02%
1997 14.8% 2.99%
1998 14.2% 2.96%
1999 13.6% 2.92%
2000 12.8% 2.88%
2001 12.1% 2.84%
2002 11.3% 2.81%
2003 10.5% 2.76%
2004 9.86% 2.72%
2005 9.24% 2.68%
2006 8.69% 2.64%
2007 8.16% 2.59%
2008 7.7% 2.55%
2009 7.24% 2.51%
2010 6.86% 2.47%
2011 6.5% 2.43%
2012 6.21% 2.38%
2013 5.95% 2.35%
2014 5.67% 2.3%
2015 5.48% 2.26%
2016 5.25% 2.22%
2017 5.02% 2.18%
2018 4.8% 2.14%
2019 4.6% 2.1%
2020 4.42% 2.06%
2021 4.22% 2.01%
2022 4.05% 1.96%
2023 3.89% 1.91%

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Birth rate comparisons

Birth rate vs Tanzania vs Trinidad and Tobago
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