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Fertility & birth rates in Nigeria and Romania

Updated on by Georank team

Nigeria has an annual birth rate of 33 births per 1,000 people, compared to 8 for Romania. The average number of children a woman is expected to have during her lifetime — the fertility rate, is 4.48 in Nigeria and 1.71 in Romania — 61.8% difference.

1960 vs 2023, the fertility rate has decreased by 29.6% in Nigeria and by 26.9% in Romania — in 1960, it was 6.36 and 2.34, respectively.

  • Nigeria is ranked 20/196 by birth rate compared to 177/196 for Romania.
  • The mean age for first-time mothers is 20.4 years in Nigeria, compared to 27.1 years in Romania.
  • The mean age at childbearing (for all the births, not just the first) is 29.1 in Nigeria — it's 28.5 in Romania.
  • Annual births per 1,000 women ages 15-19 (adolescent birth rate or teenage mother rate) is 86.4 in Nigeria vs 33.8 in Romania.
  • In Nigeria, 24% of the population is composed of women of reproductive age (15-49), compared to 21.4% in Romania.

Fertility rate in Nigeria vs Romania by year

Nigeria
Romania
1x
Year Fertility rate
Nigeria Romania
2023 4.48 1.71
2022 4.55 1.71
2021 4.64 1.81
2020 4.7 1.8
2019 4.86 1.77
2018 5.02 1.76
2017 5.18 1.78
2016 5.34 1.69
2015 5.5 1.62
2014 5.62 1.56
2013 5.69 1.46
2012 5.8 1.52
2011 5.89 1.47
2010 5.95 1.59
2009 5.99 1.66
2008 6.02 1.6
2007 6.03 1.45
2006 6.05 1.42
2005 6.06 1.4
2004 6.09 1.33
2003 6.1 1.3
2002 6.12 1.27
2001 6.13 1.27
2000 6.12 1.31
1999 6.08 1.3
1998 6.07 1.32
1997 6.14 1.32
1996 6.22 1.3
1995 6.27 1.33
1994 6.32 1.4
1993 6.35 1.43
1992 6.39 1.51
1991 6.43 1.59
1990 6.46 1.83
1989 6.49 2.22
1988 6.5 2.3
1987 6.5 2.38
1986 6.56 2.39
1985 6.62 2.31
1984 6.7 2.26
1983 6.78 2.06
1982 6.8 2.17
1981 6.82 2.36
1980 6.85 2.43
1979 6.89 2.49
1978 6.92 2.52
1977 6.86 2.57
1976 6.81 2.54
1975 6.77 2.59
1974 6.7 2.71
1973 6.63 2.44
1972 6.58 2.55
1971 6.53 2.67
1970 6.47 2.89
1969 6.44 3.19
1968 6.42 3.63
1967 6.4 3.66
1966 6.39 1.9
1965 6.37 1.91
1964 6.36 1.96
1963 6.35 2.01
1962 6.36 2.04
1961 6.35 2.17
1960 6.36 2.34

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

GeoRank.org/birth-rate/nigeria/romania | CC BY

According to the latest available data on birth rates, the fertility rate in Nigeria was 4.48 children per woman in 2023, compared to 1.71 in Romania in 2023. The replacement level is considered to be 2.1 children per woman.

Check Nigeria vs Romania population clock for a dynamic visualization of the changing population.

Natural population change by year

Nigeria
Romania
1x
Year Natural population change
Nigeria Romania
2023 4,834,309 -89,587
2022 4,739,502 -93,338
2021 4,641,562 -141,504
2020 4,525,164 -100,179
2019 4,609,941 -60,053
2018 4,659,898 -62,316
2017 4,706,183 -50,930
2016 4,761,594 -53,196
2015 4,823,045 -59,447
2014 4,862,319 -55,745
2013 4,811,751 -59,951
2012 4,774,508 -54,157
2011 4,728,363 -56,413
2010 4,629,173 -46,567
2009 4,528,149 -34,625
2008 4,412,976 -30,806
2007 4,265,428 -37,590
2006 4,135,703 -38,148
2005 4,013,788 -40,508
2004 3,877,376 -42,904
2003 3,751,120 -56,093
2002 3,606,814 -58,673
2001 3,478,370 -37,625
2000 3,343,196 -22,443
1999 3,155,425 -31,461
1998 3,003,946 -33,761
1997 2,936,500 -42,853
1996 2,882,205 -56,548
1995 2,830,771 -36,295
1994 2,735,198 -18,184
1993 2,673,675 -13,658
1992 2,596,173 -4,559
1991 2,527,807 25,301
1990 2,491,928 69,605
1989 2,452,324 122,756
1988 2,376,419 126,817
1987 2,322,397 128,517
1986 2,295,003 134,737
1985 2,289,784 111,392
1984 2,278,060 117,731
1983 2,292,089 87,986
1982 2,233,401 119,121
1981 2,179,884 156,472
1980 2,121,618 168,776
1979 2,074,807 194,397
1978 2,019,621 204,148
1977 1,923,917 215,385
1976 1,827,289 213,361
1975 1,718,623 219,324
1974 1,624,813 235,530
1973 1,525,485 175,020
1972 1,448,928 198,316
1971 1,373,896 206,662
1970 1,295,507 234,905
1969 1,213,484 264,120
1968 1,168,254 338,577
1967 1,082,884 347,709
1966 1,095,582 115,293
1965 1,061,840 114,190
1964 1,028,272 134,326
1963 995,116 139,104
1962 966,452 130,736
1961 932,111 163,286
1960 901,301 191,431

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

GeoRank.org/birth-rate/nigeria/romania | 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 +2.12% in Nigeria and -0.47% in Romania.

For the past 10 years, the annual natural population change has been +2.29% in Nigeria and -0.4% in Romania.

Birth rate in Nigeria vs Romania by year

Nigeria
Romania

Annual births per 1,000 people

1x
Year Annual births per 1,000 people
Nigeria Romania
2023 33 8
2022 33.2 9.4
2021 33.5 10.1
2020 33.7 10.3
2019 34.7 10.3
2018 35.7 10.4
2017 36.7 10.8
2016 37.8 10.4
2015 39 10.2
2014 39.9 10
2013 40.4 9.4
2012 41.1 10
2011 41.8 9.7
2010 42.1 10.5
2009 42.5 10.9
2008 42.8 10.8
2007 42.9 10.3
2006 43.2 10.4
2005 43.4 10.4
2004 43.5 10.1
2003 43.7 9.8
2002 43.8 9.7
2001 43.9 10
2000 43.9 10.4
1999 43.4 10.4
1998 43.2 10.5
1997 43.5 10.5
1996 43.9 10.2
1995 44.1 10.4
1994 44 10.9
1993 44.1 11
1992 44.2 11.4
1991 44.3 12
1990 44.5 13.6
1989 44.8 16
1988 44.7 16.5
1987 44.8 16.7
1986 45.3 16.5
1985 45.9 15.8
1984 46.5 15.5
1983 47.5 14.3
1982 47.5 15.3
1981 47.9 17
1980 48.3 18
1979 48.8 18.6
1978 49.3 19
1977 49.1 19.5
1976 49 19.4
1975 49 19.6
1974 48.7 20.3
1973 48.2 18.2
1972 48 18.8
1971 47.8 19.6
1970 47.4 21.1
1969 47.3 23.3
1968 47.2 26.6
1967 47.1 27
1966 47 14.2
1965 46.9 14.6
1964 46.9 15.2
1963 46.8 15.7
1962 46.7 16.2
1961 46.6 17.5
1960 46.5 19.1

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

GeoRank.org/birth-rate/nigeria/romania | CC BY

The latest reported birth rate per 1,000 people in 2023 was 33 in Nigeria and 8 in Romania, compared with 46.5 and 19.1, respectively, in 1960.

Birth rate data compared

Nigeria Romania
Fertility rate 4.48 1.71
Fertility rate rank 15/196 119/196
Birth rate 33 8
Birth rate rank 20/196 177/196
Population change due to births and deaths +4,834,309 -89,587
Natural population change rank 3/196 188/196
Natural population change rate +2.12% -0.47%
Population growth +2.1% -0.05%
Population growth rank 48/197 169/197
Age at first childbirth 20.4 years 27.1 years
Average age at childbearing 29.1 years 28.5 years
Annual births per 1,000 women ages 15-19 80.7 30.4
Annual births per 1,000 women ages 20-29 200.4 85.8
Annual births per 1,000 women ages 30+ 67.2 11
Female of reproductive age (15-49), share of population 24% 21.4%
Any modern method of contraceptive prevalence among married women ages 15-49 18.2% 50.5%
Share of births attended by skilled health staff 50.7% 93%
Maternal mortality per live birth 0.99% 0.01%
Neonatal mortality rate (before reaching 28 days of age) 3.37% 0.33%
Infant mortality rate (before reaching 1 year of age) 6.01% 0.54%
Mortality rate before reaching 5 years of age 10.5% 0.66%
Life expectancy 55 years 76.4 years

Children 0-14 years as share of population

Nigeria
Factual

UN forecast
Romania
Factual

UN forecast
1x
Year Young
Nigeria Romania
2100 20.4% 12.8%
2099 20.5% 12.8%
2098 20.6% 12.8%
2097 20.7% 12.9%
2096 20.8% 12.9%
2095 20.9% 13%
2094 21% 13.1%
2093 21.1% 13.1%
2092 21.2% 13.2%
2091 21.4% 13.2%
2090 21.5% 13.3%
2089 21.6% 13.4%
2088 21.8% 13.4%
2087 21.9% 13.5%
2086 22.1% 13.5%
2085 22.2% 13.5%
2084 22.4% 13.6%
2083 22.6% 13.6%
2082 22.7% 13.6%
2081 22.9% 13.6%
2080 23.1% 13.6%
2079 23.3% 13.6%
2078 23.5% 13.6%
2077 23.7% 13.6%
2076 23.9% 13.6%
2075 24.1% 13.6%
2074 24.3% 13.6%
2073 24.5% 13.6%
2072 24.7% 13.6%
2071 25% 13.6%
2070 25.2% 13.6%
2069 25.4% 13.6%
2068 25.7% 13.6%
2067 25.9% 13.6%
2066 26.1% 13.7%
2065 26.4% 13.7%
2064 26.6% 13.8%
2063 26.9% 13.8%
2062 27.2% 13.9%
2061 27.4% 13.9%
2060 27.7% 14%
2059 28% 14.1%
2058 28.3% 14.1%
2057 28.6% 14.2%
2056 29% 14.3%
2055 29.3% 14.3%
2054 29.6% 14.4%
2053 30% 14.4%
2052 30.3% 14.4%
2051 30.7% 14.4%
2050 31.1% 14.4%
2049 31.5% 14.4%
2048 31.8% 14.4%
2047 32.2% 14.4%
2046 32.6% 14.4%
2045 32.9% 14.3%
2044 33.3% 14.3%
2043 33.7% 14.3%
2042 34% 14.3%
2041 34.4% 14.2%
2040 34.7% 14.2%
2039 35% 14.2%
2038 35.4% 14.3%
2037 35.7% 14.3%
2036 36% 14.3%
2035 36.3% 14.4%
2034 36.6% 14.5%
2033 37% 14.6%
2032 37.4% 14.8%
2031 37.8% 15%
2030 38.3% 15.1%
2029 38.8% 15.2%
2028 39.3% 15.3%
2027 39.8% 15.4%
2026 40.3% 15.5%
2025 40.8% 15.6%
2024 41% 15.7%
2023 41.5% 15.9%
2022 42% 16%
2021 42.4% 16.1%
2020 42.8% 16.1%
2019 43.2% 16%
2018 43.6% 15.9%
2017 43.9% 15.8%
2016 44.1% 15.7%
2015 44.3% 15.7%
2014 44.4% 15.7%
2013 44.5% 15.7%
2012 44.5% 15.7%
2011 44.5% 15.8%
2010 44.4% 15.7%
2009 44.4% 15.7%
2008 44.3% 15.7%
2007 44.2% 15.7%
2006 44.1% 15.8%
2005 44% 16%
2004 43.9% 16.4%
2003 43.8% 16.9%
2002 43.8% 17.5%
2001 43.7% 18.1%
2000 43.7% 18.6%
1999 43.8% 19.1%
1998 43.9% 19.3%
1997 44.1% 19.6%
1996 44.2% 20%
1995 44.4% 20.5%
1994 44.6% 21%
1993 44.8% 21.6%
1992 45% 22.2%
1991 45.2% 22.8%
1990 45.3% 23.3%
1989 45.5% 23.7%
1988 45.5% 23.9%
1987 45.6% 24%
1986 45.6% 24.3%
1985 45.5% 24.6%
1984 45.4% 25.1%
1983 45.2% 25.9%
1982 45% 26.8%
1981 44.8% 27.1%
1980 44.6% 26.8%
1979 44.4% 26.5%
1978 44.2% 26.3%
1977 43.9% 26%
1976 43.7% 25.7%
1975 43.4% 25.3%
1974 43.2% 25.1%
1973 43% 24.9%
1972 42.8% 24.9%
1971 42.5% 24.9%
1970 42.4% 25.1%
1969 42.2% 25.1%
1968 42% 25.1%
1967 41.8% 25%
1966 41.7% 25.2%
1965 41.5% 26%
1964 41.4% 26.7%
1963 41.2% 27.3%
1962 41.1% 27.7%
1961 41.1% 28%
1960 41.1% 28.1%

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/nigeria/romania | CC BY

Children aged 0-14 make up 41% of the population in Nigeria and 15.7% in Romania in 2024, compared to 45.3% and 23.3% respectively in 1990.

Demographics of Nigeria and Romania compared.

Fertility rates around the globe

1x

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

GeoRank.org/birth-rate/nigeria/romania | CC BY

Maternal mortality chart: Nigeria vs Romania

Nigeria
Romania
1x
Year Maternal mortality per 100K births
Nigeria Romania
2023 993 12
2022 1,016 13
2021 1,046 20
2020 1,065 16
2019 1,091 14
2018 1,118 15
2017 1,142 17
2016 1,155 17
2015 1,168 18
2014 1,155 18
2013 1,146 18
2012 1,124 19
2011 1,108 20
2010 1,094 23
2009 1,088 25
2008 1,081 25
2007 1,063 25
2006 1,067 27
2005 1,060 30
2004 1,075 32
2003 1,090 35
2002 1,117 38
2001 1,130 41
2000 1,136 45
1999 1,165 51
1998 1,189 58
1997 1,184 66
1996 1,185 72
1995 1,186 75
1994 1,193 80
1993 1,200 87
1992 1,246 95
1991 1,282 104
1990 1,285 118
1989 1,304 143
1988 1,332 159
1987 1,351 173
1986 1,363 180
1985 1,344 184

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

GeoRank.org/birth-rate/nigeria/romania | CC BY

The maternal mortality rate, which is the probability of dying during childbirth or within 42 days of pregnancy termination, is 993 deaths per 100,000 live births in Nigeria, compared to 12 deaths in Romania.

Under-five mortality rates

Nigeria
Romania

Probability that a newborn baby will die before reaching age five

1x
Year Under 5 mortality rate
Nigeria Romania
2023 10.5% 0.66%
2022 10.8% 0.66%
2021 11.1% 0.65%
2020 11.4% 0.66%
2019 11.8% 0.68%
2018 12% 0.73%
2017 12.3% 0.79%
2016 12.5% 0.85%
2015 12.6% 0.92%
2014 12.8% 0.99%
2013 12.9% 1.05%
2012 13.1% 1.12%
2011 13.3% 1.18%
2010 13.5% 1.24%
2009 13.8% 1.31%
2008 14.1% 1.4%
2007 14.5% 1.51%
2006 15% 1.66%
2005 15.5% 1.82%
2004 16% 1.94%
2003 16.5% 1.99%
2002 17.1% 2.01%
2001 17.7% 2.06%
2000 18.2% 2.16%
1999 18.8% 2.29%
1998 19.3% 2.44%
1997 19.7% 2.58%
1996 20.1% 2.68%
1995 20.4% 2.73%
1994 20.6% 2.76%
1993 20.7% 2.79%
1992 20.8% 2.84%
1991 20.9% 2.97%
1990 21% 3.14%
1989 21% 3.31%
1988 21% 3.43%
1987 20.9% 3.45%
1986 20.9% 3.33%
1985 20.8% 3.16%
1984 20.7% 3.08%
1983 20.7% 3.14%
1982 20.8% 3.28%
1981 21% 3.44%
1980 21.3% 3.57%
1979 21.8% 3.68%
1978 22.3% 3.76%
1977 22.9% 3.86%
1976 23.6% 4.05%
1975 24.4% 4.27%
1974 25.2% 4.43%
1973 26.1% 4.49%
1972 26.9% 4.64%
1971 27.7% 5.06%
1970 28.5% 5.69%
1969 29.3% 6.23%
1968 30% 6.44%
1967 30.7% 6.27%
1966 31.3% 5.83%
1965 32% 5.44%
1964 32.7% 5.45%
1963 - 6.03%
1962 - 6.98%
1961 - 7.98%
1960 - 8.82%

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

GeoRank.org/birth-rate/nigeria/romania | CC BY

The chance that a newborn baby will die before reaching age five is 10.5% in Nigeria and 0.66% in Romania. 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. United Nations Economic Commission for Europe (UNECE) (2023, retrieved 2026-03-10)
  4. Central Intelligence Agency (CIA) (2025, retrieved 2026-02-20)

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