Nauru has an annual birth rate of 25.5 births per 1,000 people, compared to 23.1 for Tuvalu. The average number of children a woman is expected to have during her lifetime — the fertility rate, is 3.33 in Nauru and 3.21 in Tuvalu — 3.69% difference.
1960 vs 2023, the fertility rate has decreased by -37.6% in Nauru and by -37.7% in Tuvalu — in 1960, it was 5.34 and 5.15, respectively.
Birth rates facts compared:
- Nauru is ranked 52/196 by birth rate compared to 59/196 for Tuvalu.
- The mean age for first-time mothers is 22.1 years in Nauru, compared to 23.5 years in Tuvalu.
- The mean age at childbearing (for all the births, not just the first) is 27.1 in Nauru — it's 29.2 in Tuvalu.
- Annual births per 1,000 women ages 15-19 (adolescent birth rate or teenage mother rate) is 76.2 in Nauru vs 27.5 in Tuvalu.
- In Nauru, 24.6% of the population is composed of women of reproductive age (15-49), compared to 21.5% in Tuvalu.
- Excluding migration, the natural population change due to births and deaths from 2022 to 2023 was +1.8% in Nauru and +1.39% in Tuvalu.
Birth rate data compared
Nauru
|
Tuvalu
|
|
|---|---|---|
| Fertility rate | 3.33 | 3.21 |
| Birth rate | 25.5 | 23.1 |
| Birth rate rank | 52/196 | 59/196 |
| Age at first childbirth | 22.1 years | 23.5 years |
| Average age at childbearing | 27.1 years | 29.2 years |
| Annual births per 1,000 women ages 15-19 | 75 | 24.9 |
| Annual births per 1,000 women ages 20-29 | 177.9 | 171.8 |
| Annual births per 1,000 women ages 30+ | 38.8 | 35 |
| Female of reproductive age (15-49), share of population | 24.6% | 21.5% |
| Any modern method of contraceptive prevalence among married women ages 15-49 | 25.1% | 22.4% |
| Share of births attended by skilled health staff | 97.4% | 99.5% |
| Maternal mortality per live birth | 0.27% | 0.17% |
| Neonatal mortality rate (before reaching 28 days of age) | 0.48% | 0.9% |
| Infant mortality rate (before reaching 1 year of age) | 0.83% | 1.71% |
| Mortality rate before reaching 5 years of age, per 1,000 live births | 0.89% | 1.99% |
| Population change due to births and deaths | +213 | +137 |
| Natural population change rank | 150/196 | 152/196 |
| Natural population change rate | +1.8% | +1.39% |
| Population growth | +0.61% | -1.73% |
| Population growth rank | 127/197 | 194/197 |
| Life expectancy | 62.4 years | 67.4 years |
Fertility rate in Nauru vs Tuvalu chart
According to the latest available data on birth rates, the fertility rate in Nauru was 3.33 children per woman in 2023, compared to 3.21 in Tuvalu in 2023. The replacement level is considered to be 2.1 children per woman.
Check Nauru vs Tuvalu population clock for a dynamic visualization of the changing population.
The chart below showcases historical changes in the birth rates.
Nauru
Factual
UN forecast
Tuvalu
Factual
UN forecast
Births per woman
| Year | Fertility rate | |
|---|---|---|
|
Nauru
|
Tuvalu
|
|
| 1960 | 5.34 | 5.15 |
| 1961 | 5.38 | 5.09 |
| 1962 | 5.42 | 5 |
| 1963 | 5.44 | 4.91 |
| 1964 | 5.47 | 4.83 |
| 1965 | 5.48 | 4.73 |
| 1966 | 5.41 | 4.64 |
| 1967 | 5.29 | 4.49 |
| 1968 | 5.14 | 4.36 |
| 1969 | 4.94 | 4.23 |
| 1970 | 4.74 | 4.08 |
| 1971 | 4.54 | 3.94 |
| 1972 | 4.36 | 3.81 |
| 1973 | 4.19 | 3.71 |
| 1974 | 4.07 | 3.63 |
| 1975 | 3.97 | 3.58 |
| 1976 | 3.9 | 3.55 |
| 1977 | 3.86 | 3.56 |
| 1978 | 3.84 | 3.59 |
| 1979 | 3.85 | 3.65 |
| 1980 | 3.88 | 3.73 |
| 1981 | 3.94 | 3.8 |
| 1982 | 3.99 | 3.88 |
| 1983 | 4.06 | 3.91 |
| 1984 | 4.11 | 3.95 |
| 1985 | 4.14 | 3.97 |
| 1986 | 4.15 | 3.97 |
| 1987 | 4.14 | 3.94 |
| 1988 | 4.11 | 3.88 |
| 1989 | 4.07 | 3.8 |
| 1990 | 4.02 | 3.75 |
| 1991 | 3.99 | 3.79 |
| 1992 | 3.95 | 3.86 |
| 1993 | 3.89 | 3.92 |
| 1994 | 3.84 | 3.92 |
| 1995 | 3.81 | 3.96 |
| 1996 | 3.78 | 3.95 |
| 1997 | 3.74 | 3.95 |
| 1998 | 3.68 | 3.95 |
| 1999 | 3.64 | 3.92 |
| 2000 | 3.54 | 3.84 |
| 2001 | 3.46 | 3.75 |
| 2002 | 3.4 | 3.64 |
| 2003 | 3.39 | 3.58 |
| 2004 | 3.38 | 3.55 |
| 2005 | 3.38 | 3.55 |
| 2006 | 3.4 | 3.53 |
| 2007 | 3.5 | 3.45 |
| 2008 | 3.67 | 3.42 |
| 2009 | 3.85 | 3.43 |
| 2010 | 4.02 | 3.44 |
| 2011 | 4.12 | 3.46 |
| 2012 | 4.12 | 3.47 |
| 2013 | 4.1 | 3.39 |
| 2014 | 4.09 | 3.33 |
| 2015 | 4.08 | 3.31 |
| 2016 | 4.03 | 3.3 |
| 2017 | 3.88 | 3.3 |
| 2018 | 3.68 | 3.33 |
| 2019 | 3.53 | 3.33 |
| 2020 | 3.47 | 3.31 |
| 2021 | 3.43 | 3.28 |
| 2022 | 3.38 | 3.24 |
| 2023 | 3.33 | 3.21 |
| 2024 | 3.29 | 3.17 |
| 2025 | 3.25 | 3.14 |
| 2026 | 3.2 | 3.1 |
| 2027 | 3.16 | 3.06 |
| 2028 | 3.12 | 3.03 |
| 2029 | 3.09 | 3 |
| 2030 | 3.05 | 2.97 |
| 2031 | 3.01 | 2.94 |
| 2032 | 2.98 | 2.91 |
| 2033 | 2.95 | 2.88 |
| 2034 | 2.92 | 2.84 |
| 2035 | 2.89 | 2.82 |
| 2036 | 2.86 | 2.79 |
| 2037 | 2.83 | 2.77 |
| 2038 | 2.8 | 2.74 |
| 2039 | 2.77 | 2.72 |
| 2040 | 2.75 | 2.69 |
| 2041 | 2.72 | 2.67 |
| 2042 | 2.7 | 2.65 |
| 2043 | 2.67 | 2.63 |
| 2044 | 2.65 | 2.61 |
| 2045 | 2.63 | 2.58 |
| 2046 | 2.61 | 2.57 |
| 2047 | 2.58 | 2.54 |
| 2048 | 2.56 | 2.52 |
| 2049 | 2.55 | 2.5 |
| 2050 | 2.53 | 2.48 |
Children 0-14 years as share of population
Nauru
Factual
UN forecast
Tuvalu
Factual
UN forecast
| Year | Share of people 0-14 years old | |
|---|---|---|
|
Nauru
|
Tuvalu
|
|
| 1960 | 34.8% | 41% |
| 1961 | 35.2% | 42.1% |
| 1962 | 35.7% | 43.1% |
| 1963 | 36.5% | 43.9% |
| 1964 | 37.5% | 44.1% |
| 1965 | 38.6% | 43.9% |
| 1966 | 39.4% | 43.9% |
| 1967 | 39.5% | 44.1% |
| 1968 | 41.3% | 44.3% |
| 1969 | 43.4% | 43.9% |
| 1970 | 42.9% | 43.2% |
| 1971 | 41.3% | 42.3% |
| 1972 | 39.7% | 41.3% |
| 1973 | 38.1% | 40.2% |
| 1974 | 36.4% | 39.4% |
| 1975 | 34.9% | 38.9% |
| 1976 | 33.4% | 38.1% |
| 1977 | 31.9% | 37% |
| 1978 | 30.9% | 35.5% |
| 1979 | 30.6% | 34.5% |
| 1980 | 30.9% | 34% |
| 1981 | 31.9% | 33.4% |
| 1982 | 33.2% | 32.8% |
| 1983 | 34.6% | 32.1% |
| 1984 | 35.7% | 31.6% |
| 1985 | 36.5% | 31.7% |
| 1986 | 37.5% | 32.3% |
| 1987 | 38.3% | 32.9% |
| 1988 | 39.2% | 33.5% |
| 1989 | 40.2% | 34.1% |
| 1990 | 41.2% | 34.5% |
| 1991 | 42.1% | 35% |
| 1992 | 42.5% | 35.4% |
| 1993 | 42.5% | 35.9% |
| 1994 | 42.1% | 36.1% |
| 1995 | 41.7% | 36.2% |
| 1996 | 41.1% | 36.3% |
| 1997 | 40.5% | 36.3% |
| 1998 | 39.9% | 36.3% |
| 1999 | 39.4% | 36.2% |
| 2000 | 38.9% | 36.3% |
| 2001 | 38.5% | 36.3% |
| 2002 | 38.2% | 36.3% |
| 2003 | 37.7% | 36% |
| 2004 | 37.1% | 35.5% |
| 2005 | 36.6% | 35% |
| 2006 | 36.1% | 34.5% |
| 2007 | 35.7% | 34% |
| 2008 | 35.6% | 33.5% |
| 2009 | 35.8% | 33.1% |
| 2010 | 36.3% | 32.8% |
| 2011 | 37.1% | 32.6% |
| 2012 | 37.7% | 32.5% |
| 2013 | 38% | 32.4% |
| 2014 | 38.2% | 32.1% |
| 2015 | 38.2% | 31.9% |
| 2016 | 38.2% | 31.8% |
| 2017 | 38% | 31.6% |
| 2018 | 37.6% | 31.6% |
| 2019 | 37.6% | 31.7% |
| 2020 | 38% | 31.7% |
| 2021 | 38.3% | 31.6% |
| 2022 | 38.3% | 32% |
| 2023 | 38.2% | 32.6% |
| 2024 | 37.8% | 32.9% |
| 2025 | 37.1% | 33% |
| 2026 | 36.4% | 32.9% |
| 2027 | 35.7% | 32.7% |
| 2028 | 35% | 32.3% |
| 2029 | 34.3% | 31.8% |
| 2030 | 33.7% | 31.2% |
| 2031 | 33.1% | 30.6% |
| 2032 | 32.7% | 29.9% |
| 2033 | 32.4% | 29.3% |
| 2034 | 32.1% | 28.7% |
| 2035 | 31.9% | 28.2% |
| 2036 | 31.6% | 27.8% |
| 2037 | 31.3% | 27.5% |
| 2038 | 31.1% | 27.1% |
| 2039 | 31% | 26.9% |
| 2040 | 31% | 26.9% |
| 2041 | 30.9% | 26.9% |
| 2042 | 30.9% | 26.9% |
| 2043 | 30.9% | 27% |
| 2044 | 30.9% | 27.1% |
| 2045 | 30.8% | 27.3% |
| 2046 | 30.7% | 27.4% |
| 2047 | 30.6% | 27.6% |
| 2048 | 30.4% | 27.7% |
| 2049 | 30.2% | 27.8% |
| 2050 | 30% | 27.8% |
Children aged 0-14 make up 37.8% of the population in Nauru and 32.9% in Tuvalu in 2024, compared to 41.2% and 34.5% respectively in 1990.
Natural population change in Nauru vs Tuvalu by year
For the past 10 years, the annual natural population change (excluding migration) has been +2.28% in Nauru and +1.48% in Tuvalu. The chart below illustrates the comparison of the absolute yearly changes resulting from births and deaths.
Nauru
Tuvalu
Natural population change
| Year | Population change due to births and deaths | |
|---|---|---|
|
Nauru
|
Tuvalu
|
|
| 1960 | 72 | 126 |
| 1961 | 70 | 120 |
| 1962 | 75 | 113 |
| 1963 | 88 | 106 |
| 1964 | 100 | 98 |
| 1965 | 113 | 93 |
| 1966 | 123 | 91 |
| 1967 | 117 | 92 |
| 1968 | 116 | 97 |
| 1969 | 71 | 102 |
| 1970 | 49 | 102 |
| 1971 | 50 | 101 |
| 1972 | 53 | 94 |
| 1973 | 57 | 101 |
| 1974 | 63 | 102 |
| 1975 | 70 | 108 |
| 1976 | 79 | 117 |
| 1977 | 89 | 128 |
| 1978 | 111 | 141 |
| 1979 | 130 | 158 |
| 1980 | 145 | 173 |
| 1981 | 157 | 186 |
| 1982 | 162 | 198 |
| 1983 | 163 | 206 |
| 1984 | 166 | 212 |
| 1985 | 171 | 215 |
| 1986 | 178 | 219 |
| 1987 | 186 | 219 |
| 1988 | 195 | 215 |
| 1989 | 204 | 208 |
| 1990 | 214 | 204 |
| 1991 | 225 | 203 |
| 1992 | 237 | 196 |
| 1993 | 235 | 202 |
| 1994 | 229 | 195 |
| 1995 | 225 | 191 |
| 1996 | 221 | 182 |
| 1997 | 218 | 177 |
| 1998 | 214 | 172 |
| 1999 | 212 | 166 |
| 2000 | 207 | 159 |
| 2001 | 203 | 151 |
| 2002 | 200 | 141 |
| 2003 | 201 | 136 |
| 2004 | 202 | 132 |
| 2005 | 204 | 131 |
| 2006 | 209 | 129 |
| 2007 | 222 | 125 |
| 2008 | 240 | 125 |
| 2009 | 261 | 130 |
| 2010 | 281 | 136 |
| 2011 | 291 | 142 |
| 2012 | 292 | 148 |
| 2013 | 291 | 148 |
| 2014 | 290 | 149 |
| 2015 | 291 | 153 |
| 2016 | 289 | 157 |
| 2017 | 279 | 163 |
| 2018 | 265 | 169 |
| 2019 | 255 | 166 |
| 2020 | 246 | 161 |
| 2021 | 236 | 151 |
| 2022 | 226 | 150 |
| 2023 | 213 | 137 |
Fertility rates around the globe
Fertility rate
Maternal mortality chart: Nauru vs Tuvalu
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 170 deaths in Tuvalu.
Nauru
Tuvalu
| Year | Maternal mortality per 100K births | |
|---|---|---|
|
Nauru
|
Tuvalu
|
|
| 1985 | 191 | 230 |
| 1986 | 209 | 226 |
| 1987 | 206 | 252 |
| 1988 | 202 | 300 |
| 1989 | 198 | 296 |
| 1990 | 195 | 291 |
| 1991 | 216 | 289 |
| 1992 | 217 | 312 |
| 1993 | 219 | 286 |
| 1994 | 220 | 284 |
| 1995 | 219 | 281 |
| 1996 | 218 | 277 |
| 1997 | 218 | 249 |
| 1998 | 257 | 245 |
| 1999 | 277 | 242 |
| 2000 | 278 | 237 |
| 2001 | 299 | 235 |
| 2002 | 321 | 234 |
| 2003 | 323 | 210 |
| 2004 | 324 | 209 |
| 2005 | 328 | 230 |
| 2006 | 304 | 226 |
| 2007 | 303 | 222 |
| 2008 | 302 | 219 |
| 2009 | 300 | 215 |
| 2010 | 297 | 213 |
| 2011 | 260 | 169 |
| 2012 | 255 | 168 |
| 2013 | 247 | 168 |
| 2014 | 240 | 168 |
| 2015 | 253 | 169 |
| 2016 | 248 | 170 |
| 2017 | 259 | 171 |
| 2018 | 269 | 153 |
| 2019 | 267 | 155 |
| 2020 | 309 | 206 |
| 2021 | 266 | 157 |
| 2022 | 317 | 220 |
| 2023 | 273 | 170 |
Under-five mortality rates
The chance that a newborn baby will die before reaching age five is 0.89% in Nauru and 1.99% in Tuvalu. Below is the historical data on under-five mortality rates.
Nauru
Tuvalu
Probability that a newborn baby will die before reaching age five
| Year | Mortality rate before reaching 5 years of age, per 1,000 live births | |
|---|---|---|
|
Nauru
|
Tuvalu
|
|
| 1960 | - | 17.7% |
| 1961 | - | 17% |
| 1962 | - | 16.3% |
| 1963 | - | 15.6% |
| 1964 | - | 14.9% |
| 1965 | - | 14.2% |
| 1966 | - | 13.6% |
| 1967 | - | 12.9% |
| 1968 | - | 12.3% |
| 1969 | - | 11.7% |
| 1970 | - | 11.1% |
| 1971 | - | 10.5% |
| 1972 | - | 9.93% |
| 1973 | - | 9.37% |
| 1974 | - | 8.81% |
| 1975 | - | 8.31% |
| 1976 | - | 7.84% |
| 1977 | - | 7.43% |
| 1978 | - | 7.08% |
| 1979 | - | 6.76% |
| 1980 | - | 6.49% |
| 1981 | - | 6.26% |
| 1982 | - | 6.06% |
| 1983 | - | 5.9% |
| 1984 | - | 5.76% |
| 1985 | 8.62% | 5.66% |
| 1986 | 8.2% | 5.59% |
| 1987 | 7.81% | 5.53% |
| 1988 | 7.43% | 5.47% |
| 1989 | 7.08% | 5.42% |
| 1990 | 6.74% | 5.37% |
| 1991 | 6.41% | 5.31% |
| 1992 | 6.09% | 5.24% |
| 1993 | 5.78% | 5.15% |
| 1994 | 5.49% | 5.05% |
| 1995 | 5.22% | 4.94% |
| 1996 | 4.97% | 4.81% |
| 1997 | 4.74% | 4.67% |
| 1998 | 4.52% | 4.52% |
| 1999 | 4.32% | 4.39% |
| 2000 | 4.13% | 4.26% |
| 2001 | 3.96% | 4.16% |
| 2002 | 3.81% | 4.07% |
| 2003 | 3.66% | 3.98% |
| 2004 | 3.53% | 3.89% |
| 2005 | 3.41% | 3.8% |
| 2006 | 3.29% | 3.68% |
| 2007 | 3.15% | 3.56% |
| 2008 | 3% | 3.42% |
| 2009 | 2.84% | 3.28% |
| 2010 | 2.66% | 3.14% |
| 2011 | 2.48% | 3.02% |
| 2012 | 2.29% | 2.91% |
| 2013 | 2.11% | 2.8% |
| 2014 | 1.93% | 2.71% |
| 2015 | 1.76% | 2.61% |
| 2016 | 1.61% | 2.52% |
| 2017 | 1.47% | 2.43% |
| 2018 | 1.34% | 2.35% |
| 2019 | 1.22% | 2.27% |
| 2020 | 1.11% | 2.19% |
| 2021 | 1.02% | 2.12% |
| 2022 | 0.95% | 2.05% |
| 2023 | 0.89% | 1.99% |
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