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Fertility & birth rates in Nauru and Oman

Updated on by Georank team

Nauru has an annual birth rate of 25.5 births per 1,000 people, compared to 16.8 for Oman. The average number of children a woman is expected to have during her lifetime — the fertility rate, is 3.33 in Nauru and 2.53 in Oman — 24.2% difference.

1960 vs 2023, the fertility rate has decreased by 37.6% in Nauru and by 65.3% in Oman — in 1960, it was 5.34 and 7.28, respectively.

  • Nauru is ranked 52/196 by birth rate compared to 89/196 for Oman.
  • The mean age at childbearing (for all the births, not just the first) is 27.1 in Nauru — it's 31.8 in Oman.
  • Annual births per 1,000 women ages 15-19 (adolescent birth rate or teenage mother rate) is 76.2 in Nauru vs 5.99 in Oman.
  • In Nauru, 24.6% of the population is composed of women of reproductive age (15-49), compared to 21.4% in Oman.

Fertility rate in Nauru vs Oman by year

Nauru
Oman
1x
Year Fertility rate
Nauru Oman
2023 3.33 2.53
2022 3.38 2.45
2021 3.43 2.59
2020 3.47 2.64
2019 3.53 2.7
2018 3.68 2.81
2017 3.88 2.92
2016 4.03 2.95
2015 4.08 2.97
2014 4.09 2.97
2013 4.1 2.95
2012 4.12 2.93
2011 4.12 2.96
2010 4.02 2.97
2009 3.85 2.83
2008 3.67 2.76
2007 3.5 2.76
2006 3.4 2.88
2005 3.38 3.03
2004 3.38 3.2
2003 3.39 3.37
2002 3.4 3.51
2001 3.46 3.66
2000 3.54 3.85
1999 3.64 4.06
1998 3.68 4.27
1997 3.74 4.52
1996 3.78 4.79
1995 3.81 5.07
1994 3.84 5.36
1993 3.89 5.64
1992 3.95 5.92
1991 3.99 6.2
1990 4.02 6.46
1989 4.07 6.72
1988 4.11 6.95
1987 4.14 7.18
1986 4.15 7.35
1985 4.14 7.51
1984 4.11 7.64
1983 4.06 7.75
1982 3.99 7.84
1981 3.94 7.9
1980 3.88 7.89
1979 3.85 7.85
1978 3.84 7.82
1977 3.86 7.78
1976 3.9 7.74
1975 3.97 7.71
1974 4.07 7.67
1973 4.19 7.63
1972 4.36 7.59
1971 4.54 7.56
1970 4.74 7.52
1969 4.94 7.49
1968 5.14 7.46
1967 5.29 7.44
1966 5.41 7.41
1965 5.48 7.39
1964 5.47 7.37
1963 5.44 7.33
1962 5.42 7.32
1961 5.38 7.29
1960 5.34 7.28

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

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

According to the latest available data on birth rates, the fertility rate in Nauru was 3.33 children per woman in 2023, compared to 2.53 in Oman in 2023. The replacement level is considered to be 2.1 children per woman.

Check Nauru vs Oman population clock for a dynamic visualization of the changing population.

Natural population change by year

Nauru
Oman
1x
Year Natural population change
Nauru Oman
2023 213 75,467
2022 226 67,278
2021 236 69,991
2020 246 74,224
2019 255 77,394
2018 265 79,438
2017 279 82,408
2016 289 81,350
2015 291 79,241
2014 290 76,258
2013 291 71,905
2012 292 65,572
2011 291 59,689
2010 281 57,619
2009 261 52,007
2008 240 47,146
2007 222 44,207
2006 209 43,969
2005 204 44,688
2004 202 45,651
2003 201 46,273
2002 200 46,397
2001 203 46,651
2000 207 47,208
1999 212 48,053
1998 214 48,654
1997 218 49,510
1996 221 50,362
1995 225 51,139
1994 229 52,337
1993 235 53,439
1992 237 54,471
1991 225 55,382
1990 214 56,000
1989 204 56,202
1988 195 56,142
1987 186 55,933
1986 178 55,324
1985 171 54,609
1984 166 52,253
1983 163 49,646
1982 162 46,939
1981 157 44,176
1980 145 41,109
1979 130 38,022
1978 111 35,141
1977 89 32,342
1976 79 30,032
1975 70 27,699
1974 63 25,543
1973 57 24,195
1972 53 22,968
1971 50 21,973
1970 49 20,893
1969 71 19,949
1968 116 18,962
1967 117 17,990
1966 123 17,030
1965 113 16,103
1964 100 15,205
1963 88 14,283
1962 75 13,485
1961 70 12,690
1960 72 12,034

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

GeoRank.org/birth-rate/nauru/oman | 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 +1.8% in Nauru and +1.49% in Oman.

For the past 10 years, the annual natural population change has been +2.28% in Nauru and +1.7% in Oman.

Birth rate in Nauru vs Oman by year

Nauru
Oman

Annual births per 1,000 people

1x
Year Annual births per 1,000 people
Nauru Oman
2023 25.5 16.8
2022 26.6 16.4
2021 27.8 18.3
2020 28.7 18.9
2019 29.6 18.9
2018 30.7 19.3
2017 32.2 20.2
2016 33.6 20.5
2015 34.2 21
2014 34.7 21.2
2013 35.3 20.9
2012 36.1 20.7
2011 36.8 21.6
2010 36.1 23.4
2009 34.3 21.9
2008 32.3 20.6
2007 30.4 19.9
2006 29.1 20.2
2005 28.5 20.9
2004 28.1 21.8
2003 27.9 22.5
2002 27.8 22.8
2001 27.9 23.3
2000 28.2 23.8
1999 28.6 24.6
1998 28.7 25.3
1997 29 26.1
1996 29.4 27
1995 29.8 27.9
1994 30.3 29.1
1993 31.1 30.5
1992 31.8 32.4
1991 31.7 34.4
1990 31.7 36.5
1989 31.9 38.6
1988 32 40.8
1987 32 43.2
1986 31.9 45.6
1985 31.9 48.3
1984 31.8 49.6
1983 31.8 50.4
1982 31.8 51.1
1981 31.2 51.6
1980 29.7 51.6
1979 27.6 51.4
1978 25 51.2
1977 21.8 51
1976 20.1 50.8
1975 18.7 50.7
1974 17.4 50.2
1973 16.3 50.7
1972 15.6 50.9
1971 15.2 51.2
1970 15.1 51.6
1969 18.8 51.9
1968 27.2 52.2
1967 28.3 52.4
1966 29.9 52.6
1965 29.1 52.8
1964 28.2 52.8
1963 27 52.8
1962 25.6 52.8
1961 25.6 52.7
1960 26.9 52.8

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

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

The latest reported birth rate per 1,000 people in 2023 was 25.5 in Nauru and 16.8 in Oman, compared with 26.9 and 52.8, respectively, in 1960.

Birth rate data compared

Nauru Oman
Fertility rate 3.33 2.53
Fertility rate rank 47/196 75/196
Birth rate 25.5 16.8
Birth rate rank 52/196 89/196
Population change due to births and deaths +213 +75,467
Natural population change rank 150/196 86/196
Natural population change rate +1.8% +1.49%
Population growth +0.61% +4.6%
Population growth rank 126/197 5/197
Age at first childbirth 22.1 years n/a
Average age at childbearing 27.1 years 31.8 years
Annual births per 1,000 women ages 15-19 77.7 5.2
Annual births per 1,000 women ages 20-29 176.3 102.9
Annual births per 1,000 women ages 30+ 37.1 59.2
Female of reproductive age (15-49), share of population 24.6% 21.4%
Any modern method of contraceptive prevalence among married women ages 15-49 25.1% 18.8%
Share of births attended by skilled health staff 97.4% 99.9%
Maternal mortality per live birth 0.27% 0.01%
Neonatal mortality rate (before reaching 28 days of age) 0.48% 0.47%
Infant mortality rate (before reaching 1 year of age) 0.83% 0.84%
Mortality rate before reaching 5 years of age 0.89% 1.04%
Life expectancy 62.6 years 80.7 years

Children 0-14 years as share of population

Nauru
Factual

UN forecast
Oman
Factual

UN forecast
1x
Year Young
Nauru Oman
2100 20.7% 17.2%
2099 20.8% 17.2%
2098 21% 17.3%
2097 21.1% 17.3%
2096 21.2% 17.4%
2095 21.3% 17.4%
2094 21.4% 17.4%
2093 21.6% 17.5%
2092 21.7% 17.5%
2091 21.9% 17.5%
2090 22% 17.6%
2089 22.2% 17.6%
2088 22.4% 17.6%
2087 22.5% 17.6%
2086 22.7% 17.6%
2085 22.9% 17.7%
2084 23.1% 17.7%
2083 23.3% 17.7%
2082 23.4% 17.7%
2081 23.6% 17.8%
2080 23.8% 17.8%
2079 23.9% 17.8%
2078 24.1% 17.9%
2077 24.2% 17.9%
2076 24.3% 18%
2075 24.5% 18.1%
2074 24.6% 18.1%
2073 24.7% 18.2%
2072 24.9% 18.3%
2071 25% 18.4%
2070 25.1% 18.5%
2069 25.3% 18.6%
2068 25.4% 18.7%
2067 25.6% 18.8%
2066 25.8% 18.9%
2065 26% 19.1%
2064 26.2% 19.2%
2063 26.4% 19.3%
2062 26.7% 19.4%
2061 26.9% 19.5%
2060 27.2% 19.6%
2059 27.5% 19.7%
2058 27.9% 19.7%
2057 28.2% 19.8%
2056 28.5% 19.9%
2055 28.8% 19.9%
2054 29.1% 19.9%
2053 29.4% 20%
2052 29.7% 20%
2051 29.9% 20%
2050 30.2% 20%
2049 30.4% 20%
2048 30.6% 20.1%
2047 30.7% 20.1%
2046 30.8% 20.2%
2045 30.9% 20.3%
2044 30.9% 20.4%
2043 31% 20.6%
2042 31% 20.7%
2041 31% 20.9%
2040 31% 21.1%
2039 31.1% 21.3%
2038 31.2% 21.3%
2037 31.4% 21.4%
2036 31.8% 21.5%
2035 32% 21.7%
2034 32.3% 22%
2033 32.5% 22.2%
2032 32.9% 22.6%
2031 33.4% 22.9%
2030 34% 23.2%
2029 34.7% 23.5%
2028 35.3% 23.7%
2027 36.1% 23.9%
2026 36.8% 24.2%
2025 37.5% 24.5%
2024 37.8% 24.7%
2023 38.2% 25.2%
2022 38.3% 26.2%
2021 38.3% 26.7%
2020 38% 25.6%
2019 37.6% 24%
2018 37.6% 22.9%
2017 38% 22.3%
2016 38.2% 22.1%
2015 38.2% 22.2%
2014 38.2% 22.1%
2013 38% 21.9%
2012 37.7% 22.8%
2011 37.1% 25.5%
2010 36.3% 27.9%
2009 35.8% 28.4%
2008 35.6% 29.1%
2007 35.7% 29.9%
2006 36.1% 30.9%
2005 36.6% 32.1%
2004 37.1% 33.2%
2003 37.7% 34.2%
2002 38.2% 35%
2001 38.5% 35.8%
2000 38.9% 36.6%
1999 39.4% 37.3%
1998 39.9% 38%
1997 40.5% 38.7%
1996 41.1% 39.3%
1995 41.7% 39.7%
1994 42.1% 39.9%
1993 42.5% 40.5%
1992 42.5% 41.5%
1991 42.1% 42.5%
1990 41.2% 43.4%
1989 40.2% 44.3%
1988 39.2% 45.1%
1987 38.3% 45.9%
1986 37.5% 46.5%
1985 36.5% 47%
1984 35.7% 47.2%
1983 34.6% 47.2%
1982 33.2% 47.1%
1981 31.9% 47.1%
1980 30.9% 47.1%
1979 30.6% 47.2%
1978 30.9% 47.3%
1977 31.9% 47.4%
1976 33.4% 47.5%
1975 34.9% 47.5%
1974 36.4% 47.5%
1973 38.1% 47.3%
1972 39.7% 46.8%
1971 41.3% 46.4%
1970 42.9% 45.9%
1969 43.4% 45.3%
1968 41.3% 44.8%
1967 39.5% 44.3%
1966 39.4% 43.8%
1965 38.6% 43.2%
1964 37.5% 42.6%
1963 36.5% 42%
1962 35.7% 41.7%
1961 35.2% 41.6%
1960 34.8% 41.5%

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/nauru/oman | CC BY

Children aged 0-14 make up 37.8% of the population in Nauru and 24.7% in Oman in 2024, compared to 41.2% and 43.4% respectively in 1990.

Demographics of Nauru and Oman compared.

Fertility rates around the globe

1x

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

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

Maternal mortality chart: Nauru vs Oman

Nauru
Oman
1x
Year Maternal mortality per 100K births
Nauru Oman
2023 273 13
2022 317 13
2021 266 74
2020 309 32
2019 267 14
2018 269 14
2017 259 14
2016 248 14
2015 253 15
2014 240 15
2013 247 15
2012 255 16
2011 260 16
2010 297 17
2009 300 17
2008 302 18
2007 303 18
2006 304 18
2005 328 18
2004 324 18
2003 323 18
2002 321 18
2001 299 18
2000 278 19
1999 277 19
1998 257 20
1997 218 20
1996 218 21
1995 219 22
1994 220 23
1993 219 25
1992 217 26
1991 216 28
1990 195 29
1989 198 32
1988 202 34
1987 206 37
1986 209 40
1985 191 43

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

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

The maternal mortality rate, which is the probability of dying during childbirth or within 42 days of pregnancy termination, is 273 deaths per 100,000 live births in Nauru, compared to 13 deaths in Oman.

Under-five mortality rates

Nauru
Oman

Probability that a newborn baby will die before reaching age five

1x
Year Under 5 mortality rate
Nauru Oman
2023 0.89% 1.04%
2022 0.95% 1.05%
2021 1.02% 1.06%
2020 1.11% 1.07%
2019 1.22% 1.08%
2018 1.34% 1.09%
2017 1.47% 1.1%
2016 1.61% 1.11%
2015 1.76% 1.12%
2014 1.93% 1.12%
2013 2.11% 1.13%
2012 2.29% 1.15%
2011 2.48% 1.16%
2010 2.66% 1.17%
2009 2.84% 1.19%
2008 3% 1.2%
2007 3.15% 1.22%
2006 3.29% 1.24%
2005 3.41% 1.28%
2004 3.53% 1.32%
2003 3.66% 1.38%
2002 3.81% 1.45%
2001 3.96% 1.54%
2000 4.13% 1.64%
1999 4.32% 1.76%
1998 4.52% 1.89%
1997 4.74% 2.04%
1996 4.97% 2.22%
1995 5.22% 2.41%
1994 5.49% 2.64%
1993 5.78% 2.9%
1992 6.09% 3.2%
1991 6.41% 3.54%
1990 6.74% 3.91%
1989 7.08% 4.32%
1988 7.43% 4.78%
1987 7.81% 5.3%
1986 8.2% 5.9%
1985 8.62% 6.58%
1984 - 7.34%
1983 - 8.18%
1982 - 9.1%
1981 - 10.1%
1980 - 11.1%
1979 - 12.2%
1978 - 13.4%
1977 - 14.5%
1976 - 15.7%
1975 - 16.9%
1974 - 18.1%
1973 - 19.3%
1972 - 20.5%
1971 - 21.8%
1970 - 23.1%
1969 - 24.4%
1968 - 25.7%
1967 - 27.1%
1966 - 28.4%
1965 - 29.8%
1964 - 31.2%
1963 - 32.7%
1962 - 34.2%
1961 - 35.8%
1960 - 37.5%

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

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

The chance that a newborn baby will die before reaching age five is 0.89% in Nauru and 1.04% in Oman. 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) (2017, retrieved 2026-02-20)

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