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Fertility & birth rates in Brazil and Iran

Updated on by Georank team

Brazil has an annual birth rate of 12.3 births per 1,000 people, compared to 13 for Iran. The average number of children a woman is expected to have during her lifetime — the fertility rate, is 1.62 in Brazil and 1.7 in Iran — 4.69% difference.

1960 vs 2023, the fertility rate has decreased by -73.2% in Brazil and by -77.5% in Iran — in 1960, it was 6.05 and 7.52, respectively.

Birth rates facts compared:

  • Brazil is ranked 114/196 by birth rate compared to 108/196 for Iran.
  • The mean age at childbearing (for all the births, not just the first) is 28 in Brazil — it's 28.8 in Iran.
  • Annual births per 1,000 women ages 15-19 (adolescent birth rate or teenage mother rate) is 42.7 in Brazil vs 26.2 in Iran.
  • In Brazil, 26.2% of the population is composed of women of reproductive age (15-49), compared to 26.8% in Iran.
  • Excluding migration, the natural population change due to births and deaths from 2022 to 2023 was +0.52% in Brazil and +0.83% in Iran.

Birth rate data compared

Brazil Iran
Fertility rate 1.62 1.7
Birth rate 12.3 13
Birth rate rank 114/196 108/196
Average age at childbearing 28 years 28.8 years
Annual births per 1,000 women ages 15-19 40 25.3
Annual births per 1,000 women ages 20-29 78.1 84.7
Annual births per 1,000 women ages 30+ 15.4 20.7
Female of reproductive age (15-49), share of population 26.2% 26.8%
Any modern method of contraceptive prevalence among married women ages 15-49 77.7% 57%
Share of births attended by skilled health staff 98.4% 99%
Maternal mortality per live birth 0.07% 0.02%
Neonatal mortality rate (before reaching 28 days of age) 0.76% 0.74%
Infant mortality rate (before reaching 1 year of age) 1.25% 1.07%
Mortality rate before reaching 5 years of age, per 1,000 live births 1.44% 1.18%
Population change due to births and deaths +1,107,434 +750,150
Natural population change rank 17/196 25/196
Natural population change rate +0.52% +0.83%
Population growth +0.41% +1.06%
Population growth rank 141/197 100/197
Life expectancy 76.2 years 78.1 years

Fertility rate in Brazil vs Iran chart

According to the latest available data on birth rates, the fertility rate in Brazil was 1.62 children per woman in 2023, compared to 1.7 in Iran in 2023. The replacement level is considered to be 2.1 children per woman.

Check Brazil vs Iran population clock for a dynamic visualization of the changing population.

The chart below showcases historical changes in the birth rates.

Brazil
Factual

UN forecast
Iran
Factual

UN forecast

Births per woman

Year Fertility rate
Brazil Iran
1960 6.05 7.52
1961 6.02 7.46
1962 5.98 7.4
1963 5.93 7.32
1964 5.82 7.24
1965 5.68 7.22
1966 5.52 7.21
1967 5.34 7.19
1968 5.17 7.12
1969 5.04 7.01
1970 4.93 6.8
1971 4.84 6.55
1972 4.74 6.26
1973 4.64 6.06
1974 4.5 5.97
1975 4.42 5.95
1976 4.34 6.07
1977 4.27 6.18
1978 4.2 6.34
1979 4.12 6.55
1980 4.04 6.63
1981 3.94 6.62
1982 3.84 6.59
1983 3.72 6.53
1984 3.6 6.43
1985 3.48 6.24
1986 3.36 6.01
1987 3.23 5.72
1988 3.11 5.43
1989 3.01 5.17
1990 2.9 4.93
1991 2.81 4.57
1992 2.71 4.1
1993 2.66 3.67
1994 2.6 3.24
1995 2.57 2.85
1996 2.51 2.54
1997 2.47 2.32
1998 2.42 2.19
1999 2.34 2.09
2000 2.25 2
2001 2.16 1.92
2002 2.08 1.84
2003 2.01 1.8
2004 1.97 1.78
2005 1.94 1.76
2006 1.9 1.76
2007 1.85 1.75
2008 1.82 1.74
2009 1.8 1.74
2010 1.79 1.75
2011 1.78 1.79
2012 1.77 1.85
2013 1.76 1.91
2014 1.78 1.98
2015 1.78 2.02
2016 1.73 2.05
2017 1.74 2.02
2018 1.74 1.92
2019 1.71 1.77
2020 1.65 1.7
2021 1.64 1.71
2022 1.63 1.7
2023 1.62 1.7
2024 1.61 1.68
2025 1.6 1.67
2026 1.59 1.66
2027 1.58 1.65
2028 1.58 1.64
2029 1.58 1.64
2030 1.58 1.63
2031 1.57 1.63
2032 1.57 1.63
2033 1.57 1.63
2034 1.57 1.63
2035 1.57 1.63
2036 1.57 1.63
2037 1.57 1.63
2038 1.57 1.63
2039 1.57 1.63
2040 1.57 1.63
2041 1.57 1.63
2042 1.57 1.63
2043 1.57 1.63
2044 1.57 1.63
2045 1.57 1.63
2046 1.57 1.63
2047 1.56 1.63
2048 1.56 1.63
2049 1.56 1.63
2050 1.56 1.63

Children 0-14 years as share of population

Brazil
Factual

UN forecast
Iran
Factual

UN forecast
Year Share of people 0-14 years old
Brazil Iran
1960 44.2% 43.5%
1961 44.3% 44.1%
1962 44.4% 44.6%
1963 44.5% 44.9%
1964 44.4% 45%
1965 44.2% 45%
1966 44% 44.9%
1967 43.8% 44.8%
1968 43.4% 44.8%
1969 43% 44.7%
1970 42.7% 44.6%
1971 42.2% 44.4%
1972 41.8% 44.2%
1973 41.4% 43.8%
1974 40.9% 43.5%
1975 40.5% 43.2%
1976 40% 43%
1977 39.6% 42.9%
1978 39.1% 43%
1979 38.8% 43.1%
1980 38.4% 43.3%
1981 38.1% 42.9%
1982 37.9% 42.7%
1983 37.7% 43%
1984 37.4% 43.3%
1985 37.2% 43.5%
1986 36.9% 43.7%
1987 36.6% 43.9%
1988 36.3% 44%
1989 35.9% 44.2%
1990 35.5% 44.1%
1991 35% 43.9%
1992 34.5% 43.6%
1993 34% 43.6%
1994 33.4% 43.2%
1995 32.8% 42.1%
1996 32.2% 40.7%
1997 31.6% 39.1%
1998 31% 37.3%
1999 30.5% 35.4%
2000 29.9% 33.6%
2001 29.3% 31.7%
2002 28.7% 30.1%
2003 28.2% 28.7%
2004 27.6% 27.4%
2005 27.1% 26.2%
2006 26.6% 25.3%
2007 26.1% 24.6%
2008 25.7% 24%
2009 25.2% 23.7%
2010 24.7% 23.4%
2011 24.2% 23.3%
2012 23.7% 23.3%
2013 23.3% 23.3%
2014 22.8% 23.4%
2015 22.4% 23.6%
2016 22% 23.8%
2017 21.7% 23.9%
2018 21.4% 24%
2019 21.1% 23.9%
2020 20.8% 23.8%
2021 20.5% 23.6%
2022 20.2% 23.2%
2023 19.9% 22.8%
2024 19.7% 22.4%
2025 19.4% 22%
2026 19.1% 21.6%
2027 18.8% 21.1%
2028 18.5% 20.5%
2029 18.2% 19.9%
2030 17.9% 19.3%
2031 17.7% 18.6%
2032 17.4% 18%
2033 17.1% 17.4%
2034 16.9% 17%
2035 16.6% 16.7%
2036 16.4% 16.4%
2037 16.2% 16.2%
2038 16.1% 15.9%
2039 15.9% 15.8%
2040 15.8% 15.6%
2041 15.6% 15.5%
2042 15.5% 15.4%
2043 15.4% 15.3%
2044 15.3% 15.3%
2045 15.2% 15.2%
2046 15.1% 15.2%
2047 15% 15.2%
2048 14.9% 15.2%
2049 14.8% 15.1%
2050 14.6% 15.1%

Children aged 0-14 make up 19.7% of the population in Brazil and 22.4% in Iran in 2024, compared to 35.5% and 44.1% respectively in 1990.

Demographics of Brazil and Iran compared.

Natural population change in Brazil vs Iran by year

For the past 10 years, the annual natural population change (excluding migration) has been +0.68% in Brazil and +1.1% in Iran. The chart below illustrates the comparison of the absolute yearly changes resulting from births and deaths.

Brazil
Iran

Natural population change

Year Population change due to births and deaths
Brazil Iran
1960 2,190,392 584,060
1961 2,240,178 594,674
1962 2,286,666 595,538
1963 2,326,400 620,126
1964 2,338,478 635,589
1965 2,336,415 663,029
1966 2,325,332 695,040
1967 2,307,560 727,276
1968 2,301,561 743,992
1969 2,324,190 780,660
1970 2,362,073 794,612
1971 2,407,319 805,830
1972 2,454,698 804,043
1973 2,501,309 831,880
1974 2,524,254 873,369
1975 2,585,130 929,481
1976 2,648,647 1,013,347
1977 2,715,328 1,091,542
1978 2,778,815 1,156,974
1979 2,836,759 1,294,306
1980 2,887,768 1,361,293
1981 2,928,262 1,376,830
1982 2,948,552 1,514,240
1983 2,952,335 1,573,612
1984 2,931,496 1,653,051
1985 2,912,908 1,661,750
1986 2,880,440 1,659,289
1987 2,825,485 1,639,644
1988 2,768,082 1,614,512
1989 2,717,923 1,609,739
1990 2,652,959 1,530,434
1991 2,606,167 1,495,594
1992 2,547,698 1,365,466
1993 2,545,874 1,219,658
1994 2,532,951 1,008,076
1995 2,546,195 879,648
1996 2,530,690 784,508
1997 2,531,758 726,574
1998 2,514,728 717,655
1999 2,450,869 723,237
2000 2,372,043 731,203
2001 2,291,210 743,658
2002 2,207,017 752,205
2003 2,128,819 732,600
2004 2,108,072 801,203
2005 2,083,281 837,305
2006 2,026,119 884,529
2007 1,970,372 919,254
2008 1,908,051 940,983
2009 1,878,542 958,322
2010 1,847,336 980,380
2011 1,815,758 1,023,925
2012 1,782,516 1,073,804
2013 1,758,716 1,119,533
2014 1,757,948 1,158,552
2015 1,742,275 1,178,317
2016 1,609,488 1,186,949
2017 1,610,402 1,140,549
2018 1,583,935 1,035,052
2019 1,472,104 893,063
2020 1,146,174 663,978
2021 919,507 645,725
2022 1,054,897 753,525
2023 1,107,434 750,150

Fertility rates around the globe

Fertility rate

Maternal mortality chart: Brazil vs Iran

The maternal mortality rate, which is the probability of dying during childbirth or within 42 days of pregnancy termination, is 67 deaths per 100,000 live births in Brazil, compared to 16 deaths in Iran.

Brazil
Iran
Year Maternal mortality per 100K births
Brazil Iran
1985 186 160
1986 176 148
1987 167 136
1988 161 126
1989 150 113
1990 140 107
1991 128 94
1992 118 86
1993 113 80
1994 108 71
1995 103 65
1996 98 59
1997 92 55
1998 84 50
1999 75 46
2000 69 43
2001 66 40
2002 66 38
2003 67 37
2004 70 34
2005 71 33
2006 72 32
2007 73 31
2008 71 30
2009 69 28
2010 66 27
2011 62 26
2012 60 25
2013 61 24
2014 63 23
2015 63 22
2016 64 21
2017 61 20
2018 62 19
2019 65 18
2020 85 34
2021 128 51
2022 104 21
2023 67 16

Under-five mortality rates

The chance that a newborn baby will die before reaching age five is 1.44% in Brazil and 1.18% in Iran. Below is the historical data on under-five mortality rates.

Brazil
Iran

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
Brazil Iran
1960 16.9% -
1961 16.5% -
1962 16% -
1963 15.6% -
1964 15.2% -
1965 14.9% -
1966 14.5% -
1967 14.2% -
1968 13.9% -
1969 13.6% -
1970 13.2% -
1971 12.9% 18.9%
1972 12.6% 18%
1973 12.2% 17.1%
1974 11.9% 16.2%
1975 11.6% 15.3%
1976 11.2% 14.4%
1977 10.8% 13.5%
1978 10.4% 12.6%
1979 10% 11.7%
1980 9.57% 10.8%
1981 9.14% 10%
1982 8.73% 9.3%
1983 8.34% 8.67%
1984 7.98% 8.13%
1985 7.67% 7.64%
1986 7.38% 7.2%
1987 7.11% 6.8%
1988 6.84% 6.42%
1989 6.58% 6.07%
1990 6.31% 5.76%
1991 6.02% 5.48%
1992 5.72% 5.22%
1993 5.41% 5%
1994 5.09% 4.79%
1995 4.77% 4.59%
1996 4.47% 4.4%
1997 4.19% 4.21%
1998 3.93% 4.02%
1999 3.68% 3.83%
2000 3.45% 3.63%
2001 3.22% 3.42%
2002 3.01% 3.22%
2003 2.81% 3.02%
2004 2.63% 2.83%
2005 2.46% 2.65%
2006 2.31% 2.48%
2007 2.17% 2.32%
2008 2.05% 2.17%
2009 1.95% 2.04%
2010 1.86% 1.93%
2011 1.79% 1.84%
2012 1.72% 1.75%
2013 1.67% 1.68%
2014 1.63% 1.61%
2015 1.6% 1.55%
2016 1.68% 1.5%
2017 1.54% 1.45%
2018 1.52% 1.39%
2019 1.5% 1.35%
2020 1.49% 1.3%
2021 1.47% 1.26%
2022 1.46% 1.22%
2023 1.44% 1.18%

Compare countries by 7 more topics

Birth rate comparisons

Birth rate vs Brazil vs Iran
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