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Fertility & birth rates in Oman and Tanzania

Updated on by Georank team

Oman has an annual birth rate of 16.8 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 2.53 in Oman and 4.61 in Tanzania — 82.4% difference.

1960 vs 2023, the fertility rate has decreased by 65.3% in Oman and by 29.5% in Tanzania — in 1960, it was 7.28 and 6.54, respectively.

  • Oman is ranked 89/196 by birth rate compared to 10/196 for Tanzania.
  • The mean age at childbearing (for all the births, not just the first) is 31.8 in Oman — it's 28.9 in Tanzania.
  • Annual births per 1,000 women ages 15-19 (adolescent birth rate or teenage mother rate) is 5.99 in Oman vs 113.2 in Tanzania.
  • In Oman, 21.4% of the population is composed of women of reproductive age (15-49), compared to 24.2% in Tanzania.

Fertility rate in Oman vs Tanzania by year

Oman
Tanzania
1x
Year Fertility rate
Oman Tanzania
2023 2.53 4.61
2022 2.45 4.67
2021 2.59 4.73
2020 2.64 4.8
2019 2.7 4.87
2018 2.81 4.93
2017 2.92 4.99
2016 2.95 5.01
2015 2.97 5.03
2014 2.97 5.12
2013 2.95 5.16
2012 2.93 5.14
2011 2.96 5.14
2010 2.97 5.23
2009 2.83 5.26
2008 2.76 5.32
2007 2.76 5.4
2006 2.88 5.51
2005 3.03 5.58
2004 3.2 5.6
2003 3.37 5.58
2002 3.51 5.57
2001 3.66 5.62
2000 3.85 5.67
1999 4.06 5.75
1998 4.27 5.81
1997 4.52 5.84
1996 4.79 5.83
1995 5.07 5.82
1994 5.36 5.89
1993 5.64 6
1992 5.92 6.08
1991 6.2 6.14
1990 6.46 6.2
1989 6.72 6.3
1988 6.95 6.38
1987 7.18 6.41
1986 7.35 6.49
1985 7.51 6.6
1984 7.64 6.72
1983 7.75 6.81
1982 7.84 6.87
1981 7.9 6.93
1980 7.89 6.99
1979 7.85 7.04
1978 7.82 7.06
1977 7.78 7.07
1976 7.74 7.09
1975 7.71 7.1
1974 7.67 7.12
1973 7.63 7.06
1972 7.59 7.05
1971 7.56 7.04
1970 7.52 7
1969 7.49 6.95
1968 7.46 6.9
1967 7.44 6.86
1966 7.41 6.8
1965 7.39 6.73
1964 7.37 6.68
1963 7.33 6.65
1962 7.32 6.61
1961 7.29 6.56
1960 7.28 6.54

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

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

According to the latest available data on birth rates, the fertility rate in Oman was 2.53 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 Oman vs Tanzania population clock for a dynamic visualization of the changing population.

Natural population change by year

Oman
Tanzania
1x
Year Natural population change
Oman Tanzania
2023 75,467 1,960,623
2022 67,278 1,927,960
2021 69,991 1,880,137
2020 74,224 1,861,377
2019 77,394 1,816,669
2018 79,438 1,777,852
2017 82,408 1,726,909
2016 81,350 1,659,502
2015 79,241 1,592,882
2014 76,258 1,565,630
2013 71,905 1,509,008
2012 65,572 1,439,325
2011 59,689 1,384,886
2010 57,619 1,363,477
2009 52,007 1,332,015
2008 47,146 1,303,728
2007 44,207 1,278,285
2006 43,969 1,257,927
2005 44,688 1,224,165
2004 45,651 1,175,379
2003 46,273 1,118,435
2002 46,397 1,063,195
2001 46,651 1,026,242
2000 47,208 985,185
1999 48,053 948,659
1998 48,654 920,806
1997 49,510 882,544
1996 50,362 868,524
1995 51,139 838,980
1994 52,337 803,953
1993 53,439 778,044
1992 54,471 767,961
1991 55,382 762,011
1990 56,000 750,825
1989 56,202 743,854
1988 56,142 736,551
1987 55,933 718,580
1986 55,324 705,677
1985 54,609 697,867
1984 52,253 687,435
1983 49,646 679,720
1982 46,939 662,627
1981 44,176 645,496
1980 41,109 629,444
1979 38,022 613,388
1978 35,141 595,024
1977 32,342 574,938
1976 30,032 553,617
1975 27,699 533,906
1974 25,543 515,152
1973 24,195 488,429
1972 22,968 467,305
1971 21,973 449,014
1970 20,893 427,988
1969 19,949 408,322
1968 18,962 389,467
1967 17,990 374,763
1966 17,030 360,229
1965 16,103 343,456
1964 15,205 328,527
1963 14,283 314,644
1962 13,485 300,663
1961 12,690 286,839
1960 12,034 275,814

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

GeoRank.org/birth-rate/oman/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 +1.49% in Oman and +2.94% in Tanzania.

For the past 10 years, the annual natural population change has been +1.7% in Oman and +3.05% in Tanzania.

Birth rate in Oman vs Tanzania by year

Oman
Tanzania

Annual births per 1,000 people

1x
Year Annual births per 1,000 people
Oman Tanzania
2023 16.8 35.2
2022 16.4 35.6
2021 18.3 36
2020 18.9 36.4
2019 18.9 36.9
2018 19.3 37.3
2017 20.2 37.6
2016 20.5 37.6
2015 21 37.6
2014 21.2 38.4
2013 20.9 38.4
2012 20.7 38.1
2011 21.6 38.1
2010 23.4 38.8
2009 21.9 39.2
2008 20.6 39.6
2007 19.9 40.2
2006 20.2 41
2005 20.9 41.5
2004 21.8 41.5
2003 22.5 41.3
2002 22.8 41.2
2001 23.3 41.4
2000 23.8 41.5
1999 24.6 41.8
1998 25.3 42.1
1997 26.1 42.1
1996 27 42.3
1995 27.9 41.9
1994 29.1 41.5
1993 30.5 41.7
1992 32.4 42.3
1991 34.4 42.7
1990 36.5 43
1989 38.6 43.5
1988 40.8 44
1987 43.2 44.3
1986 45.6 44.9
1985 48.3 45.7
1984 49.6 46.4
1983 50.4 47.1
1982 51.1 47.5
1981 51.6 47.9
1980 51.6 48.3
1979 51.4 48.8
1978 51.2 49.2
1977 51 49.5
1976 50.8 49.8
1975 50.7 50.2
1974 50.2 50.6
1973 50.7 50.3
1972 50.9 50.4
1971 51.2 50.6
1970 51.6 50.4
1969 51.9 50.3
1968 52.2 50.2
1967 52.4 50.3
1966 52.6 50.2
1965 52.8 49.9
1964 52.8 49.8
1963 52.8 49.7
1962 52.8 49.4
1961 52.7 49.1
1960 52.8 49

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

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

The latest reported birth rate per 1,000 people in 2023 was 16.8 in Oman and 35.2 in Tanzania, compared with 52.8 and 49, respectively, in 1960.

Birth rate data compared

Oman Tanzania
Fertility rate 2.53 4.61
Fertility rate rank 75/196 12/196
Birth rate 16.8 35.2
Birth rate rank 89/196 10/196
Population change due to births and deaths +75,467 +1,960,623
Natural population change rank 86/196 8/196
Natural population change rate +1.49% +2.94%
Population growth +4.6% +2.92%
Population growth rank 5/197 18/197
Age at first childbirth n/a 19.9 years
Average age at childbearing 31.8 years 28.9 years
Annual births per 1,000 women ages 15-19 5.2 111.5
Annual births per 1,000 women ages 20-29 102.9 199.8
Annual births per 1,000 women ages 30+ 59.2 71.3
Female of reproductive age (15-49), share of population 21.4% 24.2%
Any modern method of contraceptive prevalence among married women ages 15-49 18.8% 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) 0.47% 2.06%
Infant mortality rate (before reaching 1 year of age) 0.84% 2.99%
Mortality rate before reaching 5 years of age 1.04% 3.89%
Life expectancy 80.7 years 67.6 years

Children 0-14 years as share of population

Oman
Factual

UN forecast
Tanzania
Factual

UN forecast
1x
Year Young
Oman Tanzania
2100 17.2% 23.4%
2099 17.2% 23.6%
2098 17.3% 23.8%
2097 17.3% 23.9%
2096 17.4% 24.1%
2095 17.4% 24.3%
2094 17.4% 24.5%
2093 17.5% 24.7%
2092 17.5% 24.8%
2091 17.5% 25%
2090 17.6% 25.2%
2089 17.6% 25.4%
2088 17.6% 25.6%
2087 17.6% 25.8%
2086 17.6% 26%
2085 17.7% 26.2%
2084 17.7% 26.4%
2083 17.7% 26.6%
2082 17.7% 26.8%
2081 17.8% 27.1%
2080 17.8% 27.3%
2079 17.8% 27.5%
2078 17.9% 27.7%
2077 17.9% 28%
2076 18% 28.2%
2075 18.1% 28.4%
2074 18.1% 28.7%
2073 18.2% 28.9%
2072 18.3% 29.1%
2071 18.4% 29.4%
2070 18.5% 29.6%
2069 18.6% 29.8%
2068 18.7% 30.1%
2067 18.8% 30.3%
2066 18.9% 30.6%
2065 19.1% 30.8%
2064 19.2% 31.1%
2063 19.3% 31.3%
2062 19.4% 31.6%
2061 19.5% 31.9%
2060 19.6% 32.1%
2059 19.7% 32.4%
2058 19.7% 32.7%
2057 19.8% 32.9%
2056 19.9% 33.2%
2055 19.9% 33.5%
2054 19.9% 33.8%
2053 20% 34.1%
2052 20% 34.3%
2051 20% 34.6%
2050 20% 34.9%
2049 20% 35.2%
2048 20.1% 35.5%
2047 20.1% 35.8%
2046 20.2% 36.1%
2045 20.3% 36.4%
2044 20.4% 36.7%
2043 20.6% 37%
2042 20.7% 37.3%
2041 20.9% 37.6%
2040 21.1% 37.9%
2039 21.3% 38.3%
2038 21.3% 38.6%
2037 21.4% 39%
2036 21.5% 39.3%
2035 21.7% 39.6%
2034 22% 40%
2033 22.2% 40.3%
2032 22.6% 40.7%
2031 22.9% 41%
2030 23.2% 41.3%
2029 23.5% 41.6%
2028 23.7% 41.8%
2027 23.9% 42.1%
2026 24.2% 42.2%
2025 24.5% 42.4%
2024 24.7% 42.5%
2023 25.2% 42.7%
2022 26.2% 42.9%
2021 26.7% 43.1%
2020 25.6% 43.4%
2019 24% 43.6%
2018 22.9% 43.8%
2017 22.3% 44%
2016 22.1% 44.2%
2015 22.2% 44.5%
2014 22.1% 44.8%
2013 21.9% 44.9%
2012 22.8% 45.1%
2011 25.5% 45.2%
2010 27.9% 45.3%
2009 28.4% 45.3%
2008 29.1% 45.1%
2007 29.9% 45%
2006 30.9% 44.9%
2005 32.1% 44.8%
2004 33.2% 44.7%
2003 34.2% 44.6%
2002 35% 44.6%
2001 35.8% 44.5%
2000 36.6% 44.6%
1999 37.3% 44.7%
1998 38% 44.7%
1997 38.7% 44.8%
1996 39.3% 44.7%
1995 39.7% 44.5%
1994 39.9% 44.9%
1993 40.5% 45.5%
1992 41.5% 46%
1991 42.5% 46.2%
1990 43.4% 46.3%
1989 44.3% 46.5%
1988 45.1% 46.7%
1987 45.9% 46.9%
1986 46.5% 47.2%
1985 47% 47.4%
1984 47.2% 47.5%
1983 47.2% 47.6%
1982 47.1% 47.5%
1981 47.1% 47.4%
1980 47.1% 47.2%
1979 47.2% 46.9%
1978 47.3% 46.7%
1977 47.4% 46.6%
1976 47.5% 46.5%
1975 47.5% 46.4%
1974 47.5% 46.3%
1973 47.3% 46.2%
1972 46.8% 46.1%
1971 46.4% 46.1%
1970 45.9% 46%
1969 45.3% 45.9%
1968 44.8% 45.8%
1967 44.3% 45.6%
1966 43.8% 45.4%
1965 43.2% 45.2%
1964 42.6% 45%
1963 42% 44.8%
1962 41.7% 44.8%
1961 41.6% 44.8%
1960 41.5% 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/oman/tanzania | CC BY

Children aged 0-14 make up 24.7% of the population in Oman and 42.5% in Tanzania in 2024, compared to 43.4% and 46.3% respectively in 1990.

Demographics of Oman and Tanzania compared.

Fertility rates around the globe

1x

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

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

Maternal mortality chart: Oman vs Tanzania

Oman
Tanzania
1x
Year Maternal mortality per 100K births
Oman Tanzania
2023 13 276
2022 13 152
2021 74 162
2020 32 160
2019 14 292
2018 14 319
2017 14 345
2016 14 396
2015 15 433
2014 15 454
2013 15 479
2012 16 448
2011 16 475
2010 17 486
2009 17 502
2008 18 511
2007 18 453
2006 18 366
2005 18 350
2004 18 365
2003 18 397
2002 18 454
2001 18 493
2000 19 568
1999 19 635
1998 20 739
1997 20 777
1996 21 775
1995 22 797
1994 23 816
1993 25 851
1992 26 864
1991 28 873
1990 29 900
1989 32 927
1988 34 949
1987 37 964
1986 40 971
1985 43 980

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

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

The maternal mortality rate, which is the probability of dying during childbirth or within 42 days of pregnancy termination, is 13 deaths per 100,000 live births in Oman, compared to 276 deaths in Tanzania.

Under-five mortality rates

Oman
Tanzania

Probability that a newborn baby will die before reaching age five

1x
Year Under 5 mortality rate
Oman Tanzania
2023 1.04% 3.89%
2022 1.05% 4.05%
2021 1.06% 4.22%
2020 1.07% 4.42%
2019 1.08% 4.6%
2018 1.09% 4.8%
2017 1.1% 5.02%
2016 1.11% 5.25%
2015 1.12% 5.48%
2014 1.12% 5.67%
2013 1.13% 5.95%
2012 1.15% 6.21%
2011 1.16% 6.5%
2010 1.17% 6.86%
2009 1.19% 7.24%
2008 1.2% 7.7%
2007 1.22% 8.16%
2006 1.24% 8.69%
2005 1.28% 9.24%
2004 1.32% 9.86%
2003 1.38% 10.5%
2002 1.45% 11.3%
2001 1.54% 12.1%
2000 1.64% 12.8%
1999 1.76% 13.6%
1998 1.89% 14.2%
1997 2.04% 14.8%
1996 2.22% 15.2%
1995 2.41% 15.6%
1994 2.64% 15.9%
1993 2.9% 16.1%
1992 3.2% 16.3%
1991 3.54% 16.5%
1990 3.91% 16.7%
1989 4.32% 16.9%
1988 4.78% 17.2%
1987 5.3% 17.4%
1986 5.9% 17.6%
1985 6.58% 17.7%
1984 7.34% 17.8%
1983 8.18% 17.8%
1982 9.1% 17.8%
1981 10.1% 17.8%
1980 11.1% 17.9%
1979 12.2% 18.1%
1978 13.4% 18.4%
1977 14.5% 18.8%
1976 15.7% 19.2%
1975 16.9% 19.6%
1974 18.1% 20.1%
1973 19.3% 20.5%
1972 20.5% 20.9%
1971 21.8% 21.2%
1970 23.1% 21.6%
1969 24.4% 21.9%
1968 25.7% 22.2%
1967 27.1% 22.5%
1966 28.4% 22.8%
1965 29.8% 23.1%
1964 31.2% 23.4%
1963 32.7% 23.6%
1962 34.2% 23.8%
1961 35.8% 24%
1960 37.5% 24.2%

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

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

The chance that a newborn baby will die before reaching age five is 1.04% in Oman 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. Central Intelligence Agency (CIA) (2025, retrieved 2026-02-20)

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