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Fertility & birth rates in Papua New Guinea and Tanzania

Updated on by Georank team

Papua New Guinea has an annual birth rate of 24.6 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 3.1 in Papua New Guinea and 4.61 in Tanzania — 48.6% difference.

1960 vs 2023, the fertility rate has decreased by 48.5% in Papua New Guinea and by 29.5% in Tanzania — in 1960, it was 6.02 and 6.54, respectively.

  • Papua New Guinea is ranked 55/196 by birth rate compared to 10/196 for Tanzania.
  • The mean age for first-time mothers is 21.9 years in Papua New Guinea, compared to 19.9 years in Tanzania.
  • The mean age at childbearing (for all the births, not just the first) is 29.2 in Papua New Guinea — it's 28.9 in Tanzania.
  • Annual births per 1,000 women ages 15-19 (adolescent birth rate or teenage mother rate) is 54.1 in Papua New Guinea vs 113.2 in Tanzania.
  • In Papua New Guinea, 25.9% of the population is composed of women of reproductive age (15-49), compared to 24.2% in Tanzania.

Fertility rate in Papua New Guinea vs Tanzania by year

Papua New Guinea
Tanzania
1x
Year Fertility rate
Papua New Guinea Tanzania
2023 3.1 4.61
2022 3.17 4.67
2021 3.22 4.73
2020 3.27 4.8
2019 3.32 4.87
2018 3.38 4.93
2017 3.43 4.99
2016 3.5 5.01
2015 3.56 5.03
2014 3.63 5.12
2013 3.68 5.16
2012 3.75 5.14
2011 3.82 5.14
2010 3.88 5.23
2009 3.94 5.26
2008 4.01 5.32
2007 4.08 5.4
2006 4.15 5.51
2005 4.22 5.58
2004 4.28 5.6
2003 4.36 5.58
2002 4.42 5.57
2001 4.47 5.62
2000 4.53 5.67
1999 4.59 5.75
1998 4.63 5.81
1997 4.68 5.84
1996 4.73 5.83
1995 4.78 5.82
1994 4.87 5.89
1993 4.96 6
1992 5.03 6.08
1991 5.11 6.14
1990 5.18 6.2
1989 5.24 6.3
1988 5.3 6.38
1987 5.36 6.41
1986 5.42 6.49
1985 5.47 6.6
1984 5.51 6.72
1983 5.56 6.81
1982 5.59 6.87
1981 5.65 6.93
1980 5.71 6.99
1979 5.79 7.04
1978 5.88 7.06
1977 5.96 7.07
1976 6.02 7.09
1975 6.07 7.1
1974 6.11 7.12
1973 6.16 7.06
1972 6.2 7.05
1971 6.23 7.04
1970 6.25 7
1969 6.26 6.95
1968 6.25 6.9
1967 6.24 6.86
1966 6.23 6.8
1965 6.2 6.73
1964 6.19 6.68
1963 6.15 6.65
1962 6.14 6.61
1961 6.07 6.56
1960 6.02 6.54

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

GeoRank.org/birth-rate/papua-new-guinea/tanzania | CC BY

According to the latest available data on birth rates, the fertility rate in Papua New Guinea was 3.1 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 Papua New Guinea vs Tanzania population clock for a dynamic visualization of the changing population.

Natural population change by year

Papua New Guinea
Tanzania
1x
Year Natural population change
Papua New Guinea Tanzania
2023 187,637 1,960,623
2022 186,861 1,927,960
2021 183,766 1,880,137
2020 189,130 1,861,377
2019 190,662 1,816,669
2018 190,662 1,777,852
2017 189,715 1,726,909
2016 189,281 1,659,502
2015 188,600 1,592,882
2014 187,592 1,565,630
2013 185,790 1,509,008
2012 183,658 1,439,325
2011 181,842 1,384,886
2010 178,998 1,363,477
2009 175,421 1,332,015
2008 172,823 1,303,728
2007 169,306 1,278,285
2006 166,540 1,257,927
2005 163,888 1,224,165
2004 161,023 1,175,379
2003 158,611 1,118,435
2002 155,091 1,063,195
2001 151,431 1,026,242
2000 147,496 985,185
1999 143,592 948,659
1998 136,677 920,806
1997 134,458 882,544
1996 129,802 868,524
1995 125,410 838,980
1994 122,113 803,953
1993 118,668 778,044
1992 114,818 767,961
1991 111,453 762,011
1990 110,033 750,825
1989 108,199 743,854
1988 106,256 736,551
1987 104,367 718,580
1986 102,346 705,677
1985 100,333 697,867
1984 98,103 687,435
1983 95,982 679,720
1982 93,522 662,627
1981 91,767 645,496
1980 90,266 629,444
1979 89,330 613,388
1978 88,747 595,024
1977 87,954 574,938
1976 86,965 553,617
1975 85,809 533,906
1974 84,829 515,152
1973 83,821 488,429
1972 82,672 467,305
1971 80,599 449,014
1970 78,712 427,988
1969 76,454 408,322
1968 73,983 389,467
1967 71,519 374,763
1966 69,206 360,229
1965 66,693 343,456
1964 64,558 328,527
1963 62,260 314,644
1962 59,974 300,663
1961 58,151 286,839
1960 56,326 275,814

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

GeoRank.org/birth-rate/papua-new-guinea/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 +1.81% in Papua New Guinea and +2.94% in Tanzania.

For the past 10 years, the annual natural population change has been +2% in Papua New Guinea and +3.05% in Tanzania.

Birth rate in Papua New Guinea vs Tanzania by year

Papua New Guinea
Tanzania

Annual births per 1,000 people

1x
Year Annual births per 1,000 people
Papua New Guinea Tanzania
2023 24.6 35.2
2022 25.2 35.6
2021 25.6 36
2020 26.1 36.4
2019 26.5 36.9
2018 27 37.3
2017 27.4 37.6
2016 27.9 37.6
2015 28.4 37.6
2014 28.9 38.4
2013 29.4 38.4
2012 29.8 38.1
2011 30.3 38.1
2010 30.7 38.8
2009 31.1 39.2
2008 31.5 39.6
2007 31.9 40.2
2006 32.4 41
2005 32.8 41.5
2004 33.2 41.5
2003 33.7 41.3
2002 34 41.2
2001 34.2 41.4
2000 34.4 41.5
1999 34.7 41.8
1998 34.8 42.1
1997 34.8 42.1
1996 34.9 42.3
1995 35 41.9
1994 35.3 41.5
1993 35.6 41.7
1992 35.8 42.3
1991 36.1 42.7
1990 36.7 43
1989 37.1 43.5
1988 37.3 44
1987 37.4 44.3
1986 37.5 44.9
1985 37.7 45.7
1984 37.7 46.4
1983 37.8 47.1
1982 37.7 47.5
1981 37.9 47.9
1980 38.1 48.3
1979 38.7 48.8
1978 39.3 49.2
1977 39.9 49.5
1976 40.5 49.8
1975 41.1 50.2
1974 41.8 50.6
1973 42.6 50.3
1972 43.3 50.4
1971 43.7 50.6
1970 44 50.4
1969 44.2 50.3
1968 44.4 50.2
1967 44.5 50.3
1966 44.6 50.2
1965 44.6 49.9
1964 44.7 49.8
1963 44.7 49.7
1962 44.9 49.4
1961 44.9 49.1
1960 45.1 49

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

GeoRank.org/birth-rate/papua-new-guinea/tanzania | CC BY

The latest reported birth rate per 1,000 people in 2023 was 24.6 in Papua New Guinea and 35.2 in Tanzania, compared with 45.1 and 49, respectively, in 1960.

Birth rate data compared

Papua New Guinea Tanzania
Fertility rate 3.1 4.61
Fertility rate rank 55/196 12/196
Birth rate 24.6 35.2
Birth rate rank 55/196 10/196
Population change due to births and deaths +187,637 +1,960,623
Natural population change rank 63/196 8/196
Natural population change rate +1.81% +2.94%
Population growth +1.8% +2.92%
Population growth rank 59/197 18/197
Age at first childbirth 21.9 years 19.9 years
Average age at childbearing 29.2 years 28.9 years
Annual births per 1,000 women ages 15-19 52.3 111.5
Annual births per 1,000 women ages 20-29 144.3 199.8
Annual births per 1,000 women ages 30+ 46.2 71.3
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 30.5% 31.1%
Share of births attended by skilled health staff 56.4% 63.5%
Maternal mortality per live birth 0.19% 0.28%
Neonatal mortality rate (before reaching 28 days of age) 2.05% 2.06%
Infant mortality rate (before reaching 1 year of age) 3.2% 2.99%
Mortality rate before reaching 5 years of age 4.03% 3.89%
Life expectancy 66.5 years 67.6 years

Children 0-14 years as share of population

Papua New Guinea
Factual

UN forecast
Tanzania
Factual

UN forecast
1x
Year Young
Papua New Guinea Tanzania
2100 19% 23.4%
2099 19.1% 23.6%
2098 19.2% 23.8%
2097 19.3% 23.9%
2096 19.4% 24.1%
2095 19.5% 24.3%
2094 19.6% 24.5%
2093 19.7% 24.7%
2092 19.8% 24.8%
2091 19.9% 25%
2090 20% 25.2%
2089 20.1% 25.4%
2088 20.2% 25.6%
2087 20.4% 25.8%
2086 20.5% 26%
2085 20.6% 26.2%
2084 20.7% 26.4%
2083 20.8% 26.6%
2082 20.9% 26.8%
2081 21% 27.1%
2080 21.2% 27.3%
2079 21.3% 27.5%
2078 21.4% 27.7%
2077 21.5% 28%
2076 21.7% 28.2%
2075 21.8% 28.4%
2074 21.9% 28.7%
2073 22.1% 28.9%
2072 22.2% 29.1%
2071 22.4% 29.4%
2070 22.5% 29.6%
2069 22.7% 29.8%
2068 22.8% 30.1%
2067 23% 30.3%
2066 23.2% 30.6%
2065 23.3% 30.8%
2064 23.5% 31.1%
2063 23.7% 31.3%
2062 23.9% 31.6%
2061 24.1% 31.9%
2060 24.3% 32.1%
2059 24.5% 32.4%
2058 24.6% 32.7%
2057 24.8% 32.9%
2056 25% 33.2%
2055 25.2% 33.5%
2054 25.4% 33.8%
2053 25.6% 34.1%
2052 25.8% 34.3%
2051 26% 34.6%
2050 26.2% 34.9%
2049 26.4% 35.2%
2048 26.6% 35.5%
2047 26.8% 35.8%
2046 27% 36.1%
2045 27.2% 36.4%
2044 27.4% 36.7%
2043 27.6% 37%
2042 27.9% 37.3%
2041 28.1% 37.6%
2040 28.4% 37.9%
2039 28.7% 38.3%
2038 28.9% 38.6%
2037 29.2% 39%
2036 29.6% 39.3%
2035 29.9% 39.6%
2034 30.2% 40%
2033 30.6% 40.3%
2032 30.9% 40.7%
2031 31.2% 41%
2030 31.6% 41.3%
2029 31.9% 41.6%
2028 32.3% 41.8%
2027 32.6% 42.1%
2026 33% 42.2%
2025 33.3% 42.4%
2024 33.5% 42.5%
2023 33.8% 42.7%
2022 34.1% 42.9%
2021 34.4% 43.1%
2020 34.7% 43.4%
2019 35% 43.6%
2018 35.3% 43.8%
2017 35.6% 44%
2016 35.9% 44.2%
2015 36.2% 44.5%
2014 36.5% 44.8%
2013 36.7% 44.9%
2012 37% 45.1%
2011 37.2% 45.2%
2010 37.5% 45.3%
2009 37.7% 45.3%
2008 38% 45.1%
2007 38.3% 45%
2006 38.5% 44.9%
2005 38.8% 44.8%
2004 39% 44.7%
2003 39.3% 44.6%
2002 39.5% 44.6%
2001 39.8% 44.5%
2000 40% 44.6%
1999 40.2% 44.7%
1998 40.4% 44.7%
1997 40.6% 44.8%
1996 40.8% 44.7%
1995 41% 44.5%
1994 41.2% 44.9%
1993 41.5% 45.5%
1992 41.7% 46%
1991 41.9% 46.2%
1990 42.1% 46.3%
1989 42.3% 46.5%
1988 42.4% 46.7%
1987 42.4% 46.9%
1986 42.5% 47.2%
1985 42.6% 47.4%
1984 42.8% 47.5%
1983 42.9% 47.6%
1982 43% 47.5%
1981 43.2% 47.4%
1980 43.5% 47.2%
1979 44% 46.9%
1978 44.4% 46.7%
1977 44.9% 46.6%
1976 45.2% 46.5%
1975 45.5% 46.4%
1974 45.8% 46.3%
1973 45.9% 46.2%
1972 46% 46.1%
1971 46% 46.1%
1970 45.8% 46%
1969 45.6% 45.9%
1968 45.3% 45.8%
1967 45.1% 45.6%
1966 44.9% 45.4%
1965 44.6% 45.2%
1964 44.4% 45%
1963 44.2% 44.8%
1962 43.9% 44.8%
1961 43.7% 44.8%
1960 43.4% 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/papua-new-guinea/tanzania | CC BY

Children aged 0-14 make up 33.5% of the population in Papua New Guinea and 42.5% in Tanzania in 2024, compared to 42.1% and 46.3% respectively in 1990.

Demographics of Papua New Guinea and Tanzania compared.

Fertility rates around the globe

1x

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

GeoRank.org/birth-rate/papua-new-guinea/tanzania | CC BY

Maternal mortality chart: Papua New Guinea vs Tanzania

Papua New Guinea
Tanzania
1x
Year Maternal mortality per 100K births
Papua New Guinea Tanzania
2023 189 276
2022 189 152
2021 223 162
2020 194 160
2019 199 292
2018 205 319
2017 207 345
2016 214 396
2015 221 433
2014 232 454
2013 243 479
2012 257 448
2011 271 475
2010 289 486
2009 302 502
2008 315 511
2007 326 453
2006 325 366
2005 326 350
2004 326 365
2003 328 397
2002 329 454
2001 325 493
2000 323 568
1999 321 635
1998 325 739
1997 316 777
1996 316 775
1995 318 797
1994 324 816
1993 333 851
1992 340 864
1991 354 873
1990 360 900
1989 369 927
1988 377 949
1987 379 964
1986 386 971
1985 393 980

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

GeoRank.org/birth-rate/papua-new-guinea/tanzania | CC BY

The maternal mortality rate, which is the probability of dying during childbirth or within 42 days of pregnancy termination, is 189 deaths per 100,000 live births in Papua New Guinea, compared to 276 deaths in Tanzania.

Under-five mortality rates

Papua New Guinea
Tanzania

Probability that a newborn baby will die before reaching age five

1x
Year Under 5 mortality rate
Papua New Guinea Tanzania
2023 4.03% 3.89%
2022 4.17% 4.05%
2021 4.31% 4.22%
2020 4.45% 4.42%
2019 4.59% 4.6%
2018 4.72% 4.8%
2017 4.87% 5.02%
2016 5.02% 5.25%
2015 5.17% 5.48%
2014 5.3% 5.67%
2013 5.44% 5.95%
2012 5.59% 6.21%
2011 5.73% 6.5%
2010 5.88% 6.86%
2009 6.02% 7.24%
2008 6.16% 7.7%
2007 6.31% 8.16%
2006 6.44% 8.69%
2005 6.58% 9.24%
2004 6.71% 9.86%
2003 6.84% 10.5%
2002 6.96% 11.3%
2001 7.08% 12.1%
2000 7.19% 12.8%
1999 7.3% 13.6%
1998 7.41% 14.2%
1997 7.52% 14.8%
1996 7.64% 15.2%
1995 7.77% 15.6%
1994 7.89% 15.9%
1993 8.03% 16.1%
1992 8.17% 16.3%
1991 8.31% 16.5%
1990 8.47% 16.7%
1989 8.63% 16.9%
1988 8.78% 17.2%
1987 8.96% 17.4%
1986 9.12% 17.6%
1985 9.3% 17.7%
1984 9.5% 17.8%
1983 9.71% 17.8%
1982 9.94% 17.8%
1981 10.2% 17.8%
1980 10.4% 17.9%
1979 10.7% 18.1%
1978 11% 18.4%
1977 11.3% 18.8%
1976 11.7% 19.2%
1975 12.1% 19.6%
1974 12.4% 20.1%
1973 12.9% 20.5%
1972 13.3% 20.9%
1971 13.7% 21.2%
1970 14.2% 21.6%
1969 14.7% 21.9%
1968 15.2% 22.2%
1967 15.8% 22.5%
1966 16.3% 22.8%
1965 16.9% 23.1%
1964 17.4% 23.4%
1963 18% 23.6%
1962 18.6% 23.8%
1961 19.2% 24%
1960 19.8% 24.2%

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

GeoRank.org/birth-rate/papua-new-guinea/tanzania | CC BY

The chance that a newborn baby will die before reaching age five is 4.03% in Papua New Guinea 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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