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Fertility & birth rates in Grenada and Tanzania

Updated on by Georank team

Grenada has an annual birth rate of 11.7 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 1.49 in Grenada and 4.61 in Tanzania — 209.8% difference.

1960 vs 2023, the fertility rate has decreased by -77.9% in Grenada and by -29.5% in Tanzania — in 1960, it was 6.74 and 6.54, respectively.

Birth rates facts compared:

  • Grenada is ranked 120/196 by birth rate compared to 10/196 for Tanzania.
  • The mean age at childbearing (for all the births, not just the first) is 28.7 in Grenada — it's 28.9 in Tanzania.
  • Annual births per 1,000 women ages 15-19 (adolescent birth rate or teenage mother rate) is 29.1 in Grenada vs 113.2 in Tanzania.
  • In Grenada, 25.9% of the population is composed of women of reproductive age (15-49), compared to 24.2% in Tanzania.
  • Excluding migration, the natural population change due to births and deaths from 2022 to 2023 was +0.29% in Grenada and +2.94% in Tanzania.

Birth rate data compared

Grenada Tanzania
Fertility rate 1.49 4.61
Birth rate 11.7 35.2
Birth rate rank 120/196 10/196
Age at first childbirth n/a 19.9 years
Average age at childbearing 28.7 years 28.9 years
Annual births per 1,000 women ages 15-19 28.4 111.5
Annual births per 1,000 women ages 20-29 70.2 199.5
Annual births per 1,000 women ages 30+ 17.3 71.2
Female of reproductive age (15-49), share of population 25.9% 24.2%
Any modern method of contraceptive prevalence among married women ages 15-49 27.4% 31.1%
Share of births attended by skilled health staff 100% 63.5%
Maternal mortality per live birth 0.05% 0.28%
Neonatal mortality rate (before reaching 28 days of age) 1.24% 2.06%
Infant mortality rate (before reaching 1 year of age) 1.67% 2.99%
Mortality rate before reaching 5 years of age, per 1,000 live births 1.83% 3.89%
Population change due to births and deaths +334 +1,960,623
Natural population change rank 148/196 8/196
Natural population change rate +0.29% +2.94%
Population growth +0.11% +2.92%
Population growth rank 158/197 19/197
Life expectancy 75.5 years 67.4 years

Fertility rate in Grenada vs Tanzania chart

According to the latest available data on birth rates, the fertility rate in Grenada was 1.49 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 Grenada vs Tanzania population clock for a dynamic visualization of the changing population.

The chart below showcases historical changes in the birth rates.

Grenada
Factual

UN forecast
Tanzania
Factual

UN forecast

Births per woman

Year Fertility rate
Grenada Tanzania
1960 6.74 6.54
1961 6.63 6.56
1962 6.44 6.61
1963 6.2 6.65
1964 5.91 6.68
1965 5.6 6.73
1966 5.3 6.8
1967 5.04 6.86
1968 4.84 6.9
1969 4.69 6.95
1970 4.46 7
1971 4.31 7.04
1972 4.18 7.05
1973 4.05 7.06
1974 3.92 7.12
1975 3.75 7.1
1976 3.6 7.09
1977 3.46 7.07
1978 3.35 7.06
1979 3.34 7.04
1980 3.3 6.99
1981 2.99 6.93
1982 3.15 6.87
1983 3.31 6.81
1984 3.22 6.72
1985 3.48 6.6
1986 3.58 6.49
1987 3.58 6.41
1988 3.19 6.38
1989 3.23 6.3
1990 3.06 6.2
1991 3.11 6.14
1992 2.97 6.08
1993 2.81 6
1994 2.79 5.89
1995 2.82 5.82
1996 2.85 5.83
1997 2.8 5.84
1998 2.49 5.81
1999 2.39 5.75
2000 2.44 5.67
2001 2.42 5.62
2002 2.38 5.57
2003 2.33 5.58
2004 2.29 5.6
2005 2.24 5.58
2006 2.19 5.51
2007 2.15 5.4
2008 2.12 5.32
2009 2.08 5.26
2010 2.04 5.23
2011 2.01 5.14
2012 1.97 5.14
2013 1.91 5.16
2014 1.8 5.12
2015 1.72 5.03
2016 1.62 5.01
2017 1.44 4.99
2018 1.53 4.93
2019 1.54 4.87
2020 1.53 4.8
2021 1.52 4.73
2022 1.5 4.67
2023 1.49 4.61
2024 1.47 4.54
2025 1.46 4.47
2026 1.45 4.41
2027 1.44 4.34
2028 1.44 4.28
2029 1.44 4.22
2030 1.44 4.16
2031 1.44 4.11
2032 1.44 4.04
2033 1.44 3.98
2034 1.44 3.94
2035 1.45 3.88
2036 1.45 3.83
2037 1.45 3.76
2038 1.45 3.72
2039 1.46 3.67
2040 1.46 3.63
2041 1.46 3.57
2042 1.46 3.54
2043 1.47 3.49
2044 1.47 3.46
2045 1.47 3.4
2046 1.47 3.39
2047 1.47 3.35
2048 1.47 3.31
2049 1.48 3.25
2050 1.48 3.23

Children 0-14 years as share of population

Grenada
Factual

UN forecast
Tanzania
Factual

UN forecast
Year Share of people 0-14 years old
Grenada Tanzania
1960 47.3% 44.9%
1961 47.2% 44.8%
1962 47.2% 44.8%
1963 47.1% 44.8%
1964 46.9% 45%
1965 47% 45.2%
1966 47.5% 45.4%
1967 47.6% 45.6%
1968 47.5% 45.8%
1969 47.2% 45.9%
1970 46.8% 46%
1971 46.2% 46.1%
1972 45.5% 46.1%
1973 44.7% 46.2%
1974 43.9% 46.3%
1975 43.1% 46.4%
1976 42.3% 46.5%
1977 41.5% 46.6%
1978 40.8% 46.7%
1979 40% 46.9%
1980 39.4% 47.2%
1981 38.6% 47.4%
1982 37.5% 47.5%
1983 36.5% 47.6%
1984 35.6% 47.5%
1985 34.8% 47.4%
1986 34.1% 47.2%
1987 33.6% 46.9%
1988 33.2% 46.7%
1989 33% 46.5%
1990 32.8% 46.3%
1991 32.8% 46.2%
1992 32.9% 46%
1993 33.1% 45.5%
1994 33.3% 44.9%
1995 33.5% 44.5%
1996 33.6% 44.7%
1997 33.6% 44.8%
1998 33.5% 44.7%
1999 33.3% 44.7%
2000 32.9% 44.6%
2001 32.1% 44.5%
2002 31% 44.6%
2003 29.8% 44.6%
2004 28.7% 44.7%
2005 27.7% 44.8%
2006 26.7% 44.9%
2007 25.9% 45%
2008 25.2% 45.1%
2009 24.6% 45.3%
2010 24% 45.3%
2011 23.6% 45.2%
2012 23.3% 45.1%
2013 23% 44.9%
2014 22.7% 44.8%
2015 22.4% 44.5%
2016 22.1% 44.2%
2017 21.8% 44%
2018 21.5% 43.8%
2019 21.2% 43.6%
2020 20.9% 43.4%
2021 20.6% 43.1%
2022 20.2% 42.9%
2023 19.8% 42.7%
2024 19.4% 42.5%
2025 19% 42.3%
2026 18.6% 42.1%
2027 18.1% 41.9%
2028 17.7% 41.7%
2029 17.3% 41.4%
2030 17% 41.1%
2031 16.7% 40.9%
2032 16.5% 40.5%
2033 16.4% 40.2%
2034 16.2% 39.8%
2035 16% 39.5%
2036 15.8% 39.1%
2037 15.6% 38.8%
2038 15.4% 38.4%
2039 15.2% 38.1%
2040 15% 37.8%
2041 14.9% 37.5%
2042 14.8% 37.1%
2043 14.6% 36.8%
2044 14.5% 36.5%
2045 14.4% 36.2%
2046 14.3% 35.9%
2047 14.1% 35.6%
2048 14% 35.4%
2049 13.9% 35.1%
2050 13.8% 34.8%

Children aged 0-14 make up 19.4% of the population in Grenada and 42.5% in Tanzania in 2024, compared to 32.8% and 46.3% respectively in 1990.

Demographics of Grenada and Tanzania compared.

Natural population change in Grenada vs Tanzania by year

For the past 10 years, the annual natural population change (excluding migration) has been +0.42% in Grenada and +3.05% in Tanzania. The chart below illustrates the comparison of the absolute yearly changes resulting from births and deaths.

Grenada
Tanzania

Natural population change

Year Population change due to births and deaths
Grenada Tanzania
1960 3,678 275,814
1961 3,703 286,839
1962 3,674 300,663
1963 3,601 314,644
1964 3,508 328,527
1965 3,399 343,456
1966 3,278 360,229
1967 3,158 374,763
1968 3,040 389,467
1969 2,948 408,322
1970 2,793 427,988
1971 2,705 449,014
1972 2,578 467,305
1973 2,464 488,429
1974 2,360 515,152
1975 2,224 533,906
1976 2,092 553,617
1977 1,974 574,938
1978 1,882 595,024
1979 1,871 613,388
1980 1,840 629,444
1981 1,625 645,496
1982 1,798 662,627
1983 1,817 679,720
1984 1,975 687,435
1985 2,215 697,867
1986 2,324 705,677
1987 2,345 718,580
1988 2,044 736,551
1989 2,084 743,854
1990 1,931 750,825
1991 1,953 762,011
1992 1,811 767,961
1993 1,641 778,044
1994 1,596 803,953
1995 1,580 838,980
1996 1,559 868,524
1997 1,480 882,544
1998 1,204 920,806
1999 1,092 948,659
2000 1,105 985,185
2001 1,082 1,026,242
2002 1,077 1,063,195
2003 1,074 1,118,435
2004 1,034 1,175,379
2005 1,075 1,224,165
2006 1,068 1,257,927
2007 1,059 1,278,285
2008 1,046 1,303,728
2009 1,024 1,332,015
2010 989 1,363,477
2011 954 1,384,886
2012 925 1,439,325
2013 878 1,509,008
2014 772 1,565,630
2015 684 1,592,882
2016 579 1,659,502
2017 402 1,726,909
2018 470 1,777,852
2019 462 1,816,669
2020 433 1,861,377
2021 343 1,880,137
2022 371 1,927,960
2023 334 1,960,623

Fertility rates around the globe

Fertility rate

Maternal mortality chart: Grenada vs Tanzania

The maternal mortality rate, which is the probability of dying during childbirth or within 42 days of pregnancy termination, is 48 deaths per 100,000 live births in Grenada, compared to 276 deaths in Tanzania.

Grenada
Tanzania
Year Maternal mortality per 100K births
Grenada Tanzania
1985 71 980
1986 68 971
1987 68 964
1988 61 949
1989 64 927
1990 61 900
1991 59 873
1992 56 864
1993 53 851
1994 55 816
1995 54 797
1996 51 775
1997 50 777
1998 50 739
1999 48 635
2000 46 568
2001 45 493
2002 42 454
2003 42 397
2004 48 365
2005 40 350
2006 39 366
2007 40 453
2008 41 511
2009 41 502
2010 43 486
2011 44 475
2012 44 448
2013 44 479
2014 45 454
2015 46 433
2016 44 396
2017 45 345
2018 46 319
2019 48 292
2020 51 160
2021 52 162
2022 50 152
2023 48 276

Under-five mortality rates

The chance that a newborn baby will die before reaching age five is 1.83% in Grenada and 3.89% in Tanzania. Below is the historical data on under-five mortality rates.

Grenada
Tanzania

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
Grenada Tanzania
1960 9.5% 24.2%
1961 8.83% 24%
1962 8.15% 23.8%
1963 7.5% 23.6%
1964 6.91% 23.4%
1965 6.39% 23.1%
1966 5.95% 22.8%
1967 5.59% 22.5%
1968 5.3% 22.2%
1969 5.06% 21.9%
1970 4.87% 21.6%
1971 4.71% 21.2%
1972 4.58% 20.9%
1973 4.47% 20.5%
1974 4.36% 20.1%
1975 4.25% 19.6%
1976 4.15% 19.2%
1977 4.03% 18.8%
1978 3.9% 18.4%
1979 3.77% 18.1%
1980 3.62% 17.9%
1981 3.46% 17.8%
1982 3.3% 17.8%
1983 3.15% 17.8%
1984 2.99% 17.8%
1985 2.85% 17.7%
1986 2.71% 17.6%
1987 2.58% 17.4%
1988 2.46% 17.2%
1989 2.35% 16.9%
1990 2.24% 16.7%
1991 2.13% 16.5%
1992 2.04% 16.3%
1993 1.95% 16.1%
1994 1.87% 15.9%
1995 1.79% 15.6%
1996 1.73% 15.2%
1997 1.67% 14.8%
1998 1.62% 14.2%
1999 1.58% 13.6%
2000 1.55% 12.8%
2001 1.52% 12.1%
2002 1.5% 11.3%
2003 1.49% 10.5%
2004 1.49% 9.86%
2005 1.48% 9.24%
2006 1.49% 8.69%
2007 1.5% 8.16%
2008 1.51% 7.7%
2009 1.54% 7.24%
2010 1.57% 6.86%
2011 1.6% 6.5%
2012 1.64% 6.21%
2013 1.68% 5.95%
2014 1.72% 5.67%
2015 1.75% 5.48%
2016 1.79% 5.25%
2017 1.81% 5.02%
2018 1.83% 4.8%
2019 1.85% 4.6%
2020 1.87% 4.42%
2021 1.87% 4.22%
2022 1.85% 4.05%
2023 1.83% 3.89%

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Birth rate comparisons

Birth rate vs Grenada vs Tanzania
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