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Fertility & birth rates in Czech Republic and Nauru

Updated on by Georank team

The Czech Republic has an annual birth rate of 8.4 births per 1,000 people, compared to 25.5 for Nauru. The average number of children a woman is expected to have during her lifetime — the fertility rate, is 1.45 in the Czech Republic and 3.33 in Nauru — 129.7% difference.

1960 vs 2023, the fertility rate has decreased by 30.6% in the Czech Republic and by 37.6% in Nauru — in 1960, it was 2.09 and 5.34, respectively.

  • The Czech Republic is ranked 170/196 by birth rate compared to 52/196 for Nauru.
  • The mean age for first-time mothers is 28.9 years in the Czech Republic, compared to 22.1 years in Nauru.
  • The mean age at childbearing (for all the births, not just the first) is 30.6 in the Czech Republic — it's 27.1 in Nauru.
  • Annual births per 1,000 women ages 15-19 (adolescent birth rate or teenage mother rate) is 5.98 in the Czech Republic vs 76.2 in Nauru.
  • In the Czech Republic, 21.5% of the population is composed of women of reproductive age (15-49), compared to 24.6% in Nauru.

Fertility rate in Czech Republic vs Nauru by year

Czech Republic
Nauru
1x
Year Fertility rate
Czech Republic Nauru
2023 1.45 3.33
2022 1.64 3.38
2021 1.83 3.43
2020 1.74 3.47
2019 1.71 3.53
2018 1.71 3.68
2017 1.69 3.88
2016 1.63 4.03
2015 1.57 4.08
2014 1.53 4.09
2013 1.46 4.1
2012 1.45 4.12
2011 1.43 4.12
2010 1.51 4.02
2009 1.51 3.85
2008 1.51 3.67
2007 1.45 3.5
2006 1.34 3.4
2005 1.29 3.38
2004 1.23 3.38
2003 1.18 3.39
2002 1.17 3.4
2001 1.15 3.46
2000 1.15 3.54
1999 1.13 3.64
1998 1.16 3.68
1997 1.17 3.74
1996 1.18 3.78
1995 1.28 3.81
1994 1.44 3.84
1993 1.67 3.89
1992 1.71 3.95
1991 1.86 3.99
1990 1.9 4.02
1989 1.87 4.07
1988 1.94 4.11
1987 1.91 4.14
1986 1.92 4.15
1985 1.95 4.14
1984 1.97 4.11
1983 1.97 4.06
1982 2 3.99
1981 2 3.94
1980 2.08 3.88
1979 2.27 3.85
1978 2.33 3.84
1977 2.34 3.86
1976 2.39 3.9
1975 2.43 3.97
1974 2.46 4.07
1973 2.31 4.19
1972 2.09 4.36
1971 2 4.54
1970 1.92 4.74
1969 1.87 4.94
1968 1.84 5.14
1967 1.91 5.29
1966 2.02 5.41
1965 2.18 5.48
1964 2.34 5.47
1963 2.31 5.44
1962 2.12 5.42
1961 2.11 5.38
1960 2.09 5.34

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

GeoRank.org/birth-rate/czech-republic/nauru | CC BY

According to the latest available data on birth rates, the fertility rate in the Czech Republic was 1.45 children per woman in 2023, compared to 3.33 in Nauru in 2023. The replacement level is considered to be 2.1 children per woman.

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

Natural population change by year

Czech Republic
Nauru
1x
Year Natural population change
Czech Republic Nauru
2023 -21,729 213
2022 -19,209 226
2021 -28,365 236
2020 -19,257 246
2019 0 255
2018 1,063 265
2017 3,178 279
2016 5,283 289
2015 0 291
2014 4,210 290
2013 -2,103 291
2012 0 292
2011 2,099 291
2010 10,475 281
2009 10,444 261
2008 14,538 240
2007 9,268 222
2006 1,024 209
2005 -6,126 204
2004 -9,177 202
2003 -17,330 201
2002 -15,296 200
2001 -16,347 203
2000 -17,433 207
1999 -20,568 212
1998 -18,530 214
1997 -21,639 218
1996 -21,662 221
1995 -21,687 225
1994 -11,367 229
1993 3,099 235
1992 1,032 237
1991 4,124 225
1990 1,034 214
1989 1,036 204
1988 7,249 195
1987 4,138 186
1986 1,034 178
1985 4,135 171
1984 5,165 166
1983 3,097 163
1982 10,315 162
1981 13,391 157
1980 17,517 145
1979 44,257 130
1978 52,234 111
1977 55,009 89
1976 61,768 79
1975 67,393 70
1974 66,923 63
1973 57,549 57
1972 44,404 53
1971 31,445 50
1970 24,646 49
1969 22,762 71
1968 21,728 116
1967 29,558 117
1966 35,355 123
1965 43,029 113
1964 52,531 100
1963 48,353 88
1962 29,836 75
1961 36,430 70
1960 34,567 72

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

GeoRank.org/birth-rate/czech-republic/nauru | 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 -0.2% in the Czech Republic and +1.8% in Nauru.

For the past 10 years, the annual natural population change has been -0.07% in the Czech Republic and +2.28% in Nauru.

Birth rate in Czech Republic vs Nauru by year

Czech Republic
Nauru

Annual births per 1,000 people

1x
Year Annual births per 1,000 people
Czech Republic Nauru
2023 8.4 25.5
2022 9.5 26.6
2021 10.6 27.8
2020 10.3 28.7
2019 10.5 29.6
2018 10.7 30.7
2017 10.8 32.2
2016 10.7 33.6
2015 10.5 34.2
2014 10.4 34.7
2013 10.2 35.3
2012 10.3 36.1
2011 10.4 36.8
2010 11.2 36.1
2009 11.3 34.3
2008 11.5 32.3
2007 11.1 30.4
2006 10.3 29.1
2005 10 28.5
2004 9.6 28.1
2003 9.2 27.9
2002 9.1 27.8
2001 8.9 27.9
2000 8.9 28.2
1999 8.7 28.6
1998 8.8 28.7
1997 8.8 29
1996 8.8 29.4
1995 9.3 29.8
1994 10.3 30.3
1993 11.7 31.1
1992 11.8 31.8
1991 12.5 31.7
1990 12.6 31.7
1989 12.4 31.9
1988 12.8 32
1987 12.7 32
1986 12.9 31.9
1985 13.1 31.9
1984 13.3 31.8
1983 13.3 31.8
1982 13.7 31.8
1981 14 31.2
1980 14.9 29.7
1979 16.7 27.6
1978 17.5 25
1977 17.8 21.8
1976 18.5 20.1
1975 19.1 18.7
1974 19.4 17.4
1973 18.3 16.3
1972 16.6 15.6
1971 15.7 15.2
1970 15 15.1
1969 14.5 18.8
1968 13.9 27.2
1967 14.1 28.3
1966 14.4 29.9
1965 15.1 29.1
1964 15.9 28.2
1963 15.4 27
1962 13.9 25.6
1961 13.7 25.6
1960 13.4 26.9

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

GeoRank.org/birth-rate/czech-republic/nauru | CC BY

The latest reported birth rate per 1,000 people in 2023 was 8.4 in the Czech Republic and 25.5 in Nauru, compared with 13.4 and 26.9, respectively, in 1960.

Birth rate data compared

Czech Republic Nauru
Fertility rate 1.45 3.33
Fertility rate rank 154/196 47/196
Birth rate 8.4 25.5
Birth rate rank 170/196 52/196
Population change due to births and deaths -21,729 +213
Natural population change rank 178/196 150/196
Natural population change rate -0.2% +1.8%
Population growth +0.38% +0.61%
Population growth rank 142/197 126/197
Age at first childbirth 28.9 years 22.1 years
Average age at childbearing 30.6 years 27.1 years
Annual births per 1,000 women ages 15-19 5.57 77.7
Annual births per 1,000 women ages 20-29 64.4 176.3
Annual births per 1,000 women ages 30+ 13 37.1
Female of reproductive age (15-49), share of population 21.5% 24.6%
Any modern method of contraceptive prevalence among married women ages 15-49 77.6% 25.1%
Share of births attended by skilled health staff 99.8% 97.4%
Maternal mortality per live birth 0.003% 0.27%
Neonatal mortality rate (before reaching 28 days of age) 0.13% 0.48%
Infant mortality rate (before reaching 1 year of age) 0.21% 0.83%
Mortality rate before reaching 5 years of age 0.26% 0.89%
Life expectancy 80.3 years 62.6 years

Children 0-14 years as share of population

Czech Republic
Factual

UN forecast
Nauru
Factual

UN forecast
1x
Year Young
Czech Republic Nauru
2100 13.2% 20.7%
2099 13.2% 20.8%
2098 13.3% 21%
2097 13.3% 21.1%
2096 13.4% 21.2%
2095 13.4% 21.3%
2094 13.5% 21.4%
2093 13.6% 21.6%
2092 13.7% 21.7%
2091 13.7% 21.9%
2090 13.8% 22%
2089 13.9% 22.2%
2088 13.9% 22.4%
2087 14% 22.5%
2086 14% 22.7%
2085 14% 22.9%
2084 14% 23.1%
2083 14% 23.3%
2082 13.9% 23.4%
2081 13.9% 23.6%
2080 13.8% 23.8%
2079 13.7% 23.9%
2078 13.7% 24.1%
2077 13.6% 24.2%
2076 13.5% 24.3%
2075 13.4% 24.5%
2074 13.3% 24.6%
2073 13.3% 24.7%
2072 13.2% 24.9%
2071 13.2% 25%
2070 13.1% 25.1%
2069 13.1% 25.3%
2068 13.2% 25.4%
2067 13.2% 25.6%
2066 13.3% 25.8%
2065 13.3% 26%
2064 13.4% 26.2%
2063 13.5% 26.4%
2062 13.6% 26.7%
2061 13.7% 26.9%
2060 13.8% 27.2%
2059 13.9% 27.5%
2058 14% 27.9%
2057 14.1% 28.2%
2056 14.1% 28.5%
2055 14.1% 28.8%
2054 14.2% 29.1%
2053 14.2% 29.4%
2052 14.1% 29.7%
2051 14.1% 29.9%
2050 14% 30.2%
2049 13.9% 30.4%
2048 13.7% 30.6%
2047 13.6% 30.7%
2046 13.4% 30.8%
2045 13.3% 30.9%
2044 13.1% 30.9%
2043 13% 31%
2042 12.9% 31%
2041 12.7% 31%
2040 12.6% 31%
2039 12.6% 31.1%
2038 12.5% 31.2%
2037 12.6% 31.4%
2036 12.8% 31.8%
2035 12.9% 32%
2034 13.2% 32.3%
2033 13.4% 32.5%
2032 13.6% 32.9%
2031 13.9% 33.4%
2030 14.1% 34%
2029 14.3% 34.7%
2028 14.5% 35.3%
2027 14.7% 36.1%
2026 14.9% 36.8%
2025 15.2% 37.5%
2024 15.4% 37.8%
2023 15.7% 38.2%
2022 15.9% 38.3%
2021 16.1% 38.3%
2020 16% 38%
2019 15.9% 37.6%
2018 15.8% 37.6%
2017 15.6% 38%
2016 15.4% 38.2%
2015 15.3% 38.2%
2014 15.1% 38.2%
2013 14.9% 38%
2012 14.8% 37.7%
2011 14.6% 37.1%
2010 14.4% 36.3%
2009 14.2% 35.8%
2008 14.2% 35.6%
2007 14.3% 35.7%
2006 14.4% 36.1%
2005 14.7% 36.6%
2004 15% 37.1%
2003 15.3% 37.7%
2002 15.7% 38.2%
2001 16.1% 38.5%
2000 16.5% 38.9%
1999 16.9% 39.4%
1998 17.3% 39.9%
1997 17.7% 40.5%
1996 18.2% 41.1%
1995 18.7% 41.7%
1994 19.2% 42.1%
1993 19.8% 42.5%
1992 20.3% 42.5%
1991 20.9% 42.1%
1990 21.4% 41.2%
1989 22% 40.2%
1988 22.6% 39.2%
1987 23% 38.3%
1986 23.2% 37.5%
1985 23.4% 36.5%
1984 23.5% 35.7%
1983 23.5% 34.6%
1982 23.5% 33.2%
1981 23.5% 31.9%
1980 23.4% 30.9%
1979 23.4% 30.6%
1978 23.2% 30.9%
1977 22.9% 31.9%
1976 22.6% 33.4%
1975 22.1% 34.9%
1974 21.6% 36.4%
1973 21.2% 38.1%
1972 21.1% 39.7%
1971 21.1% 41.3%
1970 21.3% 42.9%
1969 21.6% 43.4%
1968 21.9% 41.3%
1967 22.3% 39.5%
1966 22.7% 39.4%
1965 23.2% 38.6%
1964 23.5% 37.5%
1963 23.9% 36.5%
1962 24.5% 35.7%
1961 25.1% 35.2%
1960 25.6% 34.8%

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/czech-republic/nauru | CC BY

Children aged 0-14 make up 15.4% of the population in the Czech Republic and 37.8% in Nauru in 2024, compared to 21.4% and 41.2% respectively in 1990.

Demographics of the Czech Republic and Nauru compared.

Fertility rates around the globe

1x

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

GeoRank.org/birth-rate/czech-republic/nauru | CC BY

Maternal mortality chart: Czech Republic vs Nauru

Czech Republic
Nauru
1x
Year Maternal mortality per 100K births
Czech Republic Nauru
2023 3 273
2022 3 317
2021 4 266
2020 3 309
2019 3 267
2018 3 269
2017 3 259
2016 3 248
2015 3 253
2014 3 240
2013 3 247
2012 4 255
2011 4 260
2010 4 297
2009 4 300
2008 4 302
2007 4 303
2006 5 304
2005 5 328
2004 5 324
2003 6 323
2002 6 321
2001 6 299
2000 7 278
1999 7 277
1998 7 257
1997 8 218
1996 8 218
1995 10 219
1994 11 220
1993 12 219
1992 13 217
1991 15 216
1990 15 195
1989 15 198
1988 16 202
1987 15 206
1986 17 209
1985 15 191

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

GeoRank.org/birth-rate/czech-republic/nauru | CC BY

The maternal mortality rate, which is the probability of dying during childbirth or within 42 days of pregnancy termination, is 3 deaths per 100,000 live births in the Czech Republic, compared to 273 deaths in Nauru.

Under-five mortality rates

Czech Republic
Nauru

Probability that a newborn baby will die before reaching age five

1x
Year Under 5 mortality rate
Czech Republic Nauru
2023 0.26% 0.89%
2022 0.27% 0.95%
2021 0.28% 1.02%
2020 0.29% 1.11%
2019 0.3% 1.22%
2018 0.31% 1.34%
2017 0.32% 1.47%
2016 0.32% 1.61%
2015 0.32% 1.76%
2014 0.31% 1.93%
2013 0.31% 2.11%
2012 0.32% 2.29%
2011 0.33% 2.48%
2010 0.34% 2.66%
2009 0.35% 2.84%
2008 0.37% 3%
2007 0.39% 3.15%
2006 0.41% 3.29%
2005 0.44% 3.41%
2004 0.46% 3.53%
2003 0.48% 3.66%
2002 0.5% 3.81%
2001 0.52% 3.96%
2000 0.55% 4.13%
1999 0.58% 4.32%
1998 0.63% 4.52%
1997 0.7% 4.74%
1996 0.77% 4.97%
1995 0.85% 5.22%
1994 0.94% 5.49%
1993 1.03% 5.78%
1992 1.11% 6.09%
1991 1.17% 6.41%
1990 1.21% 6.74%
1989 1.25% 7.08%
1988 1.3% 7.43%
1987 1.35% 7.81%
1986 1.38% 8.2%
1985 1.41% 8.62%
1984 1.44% -
1983 1.47% -
1982 1.52% -
1981 1.59% -
1980 1.68% -
1979 1.78% -
1978 1.89% -
1977 1.99% -
1976 2.08% -
1975 2.16% -
1974 2.23% -
1973 2.29% -
1972 2.34% -
1971 2.39% -
1970 2.43% -
1969 2.46% -
1968 2.47% -
1967 2.48% -
1966 2.47% -
1965 2.46% -
1964 2.44% -
1963 2.43% -
1962 2.42% -
1961 2.44% -
1960 2.48% -

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

GeoRank.org/birth-rate/czech-republic/nauru | CC BY

The chance that a newborn baby will die before reaching age five is 0.26% in the Czech Republic and 0.89% in Nauru. 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)
  4. United Nations Economic Commission for Europe (UNECE) (2023, retrieved 2026-03-10)

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