Chad has an annual birth rate of 42.4 births per 1,000 people, compared to 23.1 for Tonga. The average number of children a woman is expected to have during her lifetime — the fertility rate, is 6.12 in Chad and 3.13 in Tonga — 48.9% difference.
1960 vs 2023, the fertility rate has decreased by -2.08% in Chad and by -53% in Tonga — in 1960, it was 6.25 and 6.65, respectively.
Birth rates facts compared:
- Chad is ranked 3/196 by birth rate compared to 58/196 for Tonga.
- The mean age for first-time mothers is 18.1 years in Chad, compared to 24.9 years in Tonga.
- The mean age at childbearing (for all the births, not just the first) is 29.3 in Chad — it's 29.9 in Tonga.
- Annual births per 1,000 women ages 15-19 (adolescent birth rate or teenage mother rate) is 134.7 in Chad vs 24.8 in Tonga.
- In Chad, 22.9% of the population is composed of women of reproductive age (15-49), compared to 25.6% in Tonga.
- Excluding migration, the natural population change due to births and deaths from 2022 to 2023 was +3.14% in Chad and +1.67% in Tonga.
Birth rate data compared
Chad
|
Tonga
|
|
|---|---|---|
| Fertility rate | 6.12 | 3.13 |
| Birth rate | 42.4 | 23.1 |
| Birth rate rank | 3/196 | 58/196 |
| Age at first childbirth | 18.1 years | 24.9 years |
| Average age at childbearing | 29.3 years | 29.9 years |
| Annual births per 1,000 women ages 15-19 | 129.1 | 25.1 |
| Annual births per 1,000 women ages 20-29 | 266.9 | 145 |
| Annual births per 1,000 women ages 30+ | 102.7 | 41.6 |
| Female of reproductive age (15-49), share of population | 22.9% | 25.6% |
| Any modern method of contraceptive prevalence among married women ages 15-49 | 6.7% | 25.2% |
| Share of births attended by skilled health staff | 47.2% | 98.3% |
| Maternal mortality per live birth | 0.75% | 0.07% |
| Neonatal mortality rate (before reaching 28 days of age) | 3.14% | 0.43% |
| Infant mortality rate (before reaching 1 year of age) | 5.87% | 0.8% |
| Mortality rate before reaching 5 years of age, per 1,000 live births | 10.1% | 0.99% |
| Population change due to births and deaths | +605,924 | +1,744 |
| Natural population change rank | 32/196 | 137/196 |
| Natural population change rate | +3.14% | +1.67% |
| Population growth | +5.07% | -0.4% |
| Population growth rank | 2/197 | 181/197 |
| Life expectancy | 55.4 years | 73.2 years |
Fertility rate in Chad vs Tonga chart
According to the latest available data on birth rates, the fertility rate in Chad was 6.12 children per woman in 2023, compared to 3.13 in Tonga in 2023. The replacement level is considered to be 2.1 children per woman.
Check Chad vs Tonga population clock for a dynamic visualization of the changing population.
The chart below showcases historical changes in the birth rates.
Chad
Factual
UN forecast
Tonga
Factual
UN forecast
Births per woman
| Year | Fertility rate | |
|---|---|---|
|
Chad
|
Tonga
|
|
| 1960 | 6.25 | 6.65 |
| 1961 | 6.27 | 6.61 |
| 1962 | 6.29 | 6.57 |
| 1963 | 6.3 | 6.52 |
| 1964 | 6.32 | 6.46 |
| 1965 | 6.34 | 6.41 |
| 1966 | 6.36 | 6.35 |
| 1967 | 6.39 | 6.29 |
| 1968 | 6.43 | 6.23 |
| 1969 | 6.48 | 6.17 |
| 1970 | 6.53 | 6.07 |
| 1971 | 6.58 | 5.96 |
| 1972 | 6.85 | 5.86 |
| 1973 | 6.87 | 5.8 |
| 1974 | 6.86 | 5.77 |
| 1975 | 6.88 | 5.75 |
| 1976 | 6.89 | 5.73 |
| 1977 | 6.9 | 5.7 |
| 1978 | 6.89 | 5.68 |
| 1979 | 6.91 | 5.65 |
| 1980 | 6.91 | 5.6 |
| 1981 | 6.94 | 5.55 |
| 1982 | 6.96 | 5.5 |
| 1983 | 6.98 | 5.45 |
| 1984 | 7.02 | 5.41 |
| 1985 | 7.04 | 5.34 |
| 1986 | 7.07 | 5.27 |
| 1987 | 7.11 | 5.19 |
| 1988 | 7.15 | 5.1 |
| 1989 | 7.19 | 5.01 |
| 1990 | 7.22 | 4.93 |
| 1991 | 7.26 | 4.85 |
| 1992 | 7.3 | 4.79 |
| 1993 | 7.34 | 4.73 |
| 1994 | 7.31 | 4.66 |
| 1995 | 7.29 | 4.56 |
| 1996 | 7.29 | 4.46 |
| 1997 | 7.27 | 4.38 |
| 1998 | 7.27 | 4.31 |
| 1999 | 7.26 | 4.23 |
| 2000 | 7.25 | 4.16 |
| 2001 | 7.23 | 4.13 |
| 2002 | 7.2 | 4.14 |
| 2003 | 7.18 | 4.18 |
| 2004 | 7.16 | 4.19 |
| 2005 | 7.13 | 4.2 |
| 2006 | 7.12 | 4.14 |
| 2007 | 7.09 | 4.09 |
| 2008 | 7.06 | 4.01 |
| 2009 | 7.02 | 3.95 |
| 2010 | 6.99 | 3.88 |
| 2011 | 6.95 | 3.83 |
| 2012 | 6.91 | 3.77 |
| 2013 | 6.84 | 3.7 |
| 2014 | 6.78 | 3.62 |
| 2015 | 6.71 | 3.54 |
| 2016 | 6.62 | 3.46 |
| 2017 | 6.54 | 3.39 |
| 2018 | 6.46 | 3.33 |
| 2019 | 6.41 | 3.27 |
| 2020 | 6.35 | 3.23 |
| 2021 | 6.26 | 3.2 |
| 2022 | 6.22 | 3.17 |
| 2023 | 6.12 | 3.13 |
| 2024 | 6.03 | 3.1 |
| 2025 | 5.94 | 3.07 |
| 2026 | 5.83 | 3.04 |
| 2027 | 5.74 | 3 |
| 2028 | 5.63 | 2.97 |
| 2029 | 5.54 | 2.95 |
| 2030 | 5.44 | 2.91 |
| 2031 | 5.36 | 2.89 |
| 2032 | 5.25 | 2.85 |
| 2033 | 5.15 | 2.82 |
| 2034 | 5.06 | 2.8 |
| 2035 | 4.97 | 2.77 |
| 2036 | 4.88 | 2.75 |
| 2037 | 4.8 | 2.72 |
| 2038 | 4.72 | 2.7 |
| 2039 | 4.63 | 2.68 |
| 2040 | 4.55 | 2.65 |
| 2041 | 4.47 | 2.63 |
| 2042 | 4.39 | 2.61 |
| 2043 | 4.32 | 2.59 |
| 2044 | 4.24 | 2.56 |
| 2045 | 4.17 | 2.54 |
| 2046 | 4.1 | 2.52 |
| 2047 | 4.04 | 2.5 |
| 2048 | 3.97 | 2.49 |
| 2049 | 3.91 | 2.47 |
| 2050 | 3.85 | 2.45 |
Children 0-14 years as share of population
Chad
Factual
UN forecast
Tonga
Factual
UN forecast
| Year | Share of people 0-14 years old | |
|---|---|---|
|
Chad
|
Tonga
|
|
| 1960 | 41% | 45.7% |
| 1961 | 41.2% | 45.7% |
| 1962 | 41.5% | 45.8% |
| 1963 | 41.7% | 45.9% |
| 1964 | 41.9% | 45.9% |
| 1965 | 42% | 45.9% |
| 1966 | 42.1% | 45.9% |
| 1967 | 42.2% | 46% |
| 1968 | 42.4% | 46.2% |
| 1969 | 42.5% | 46.3% |
| 1970 | 42.7% | 46.4% |
| 1971 | 43% | 46.4% |
| 1972 | 43.2% | 46.3% |
| 1973 | 43.5% | 46.2% |
| 1974 | 43.9% | 46.2% |
| 1975 | 44.2% | 46.2% |
| 1976 | 44.6% | 46.1% |
| 1977 | 45% | 45.8% |
| 1978 | 45.4% | 45.3% |
| 1979 | 45.7% | 44.8% |
| 1980 | 46.6% | 44.3% |
| 1981 | 47.5% | 43.9% |
| 1982 | 46.6% | 43.4% |
| 1983 | 45.8% | 42.9% |
| 1984 | 46.5% | 42.4% |
| 1985 | 47.3% | 42% |
| 1986 | 47.2% | 41.7% |
| 1987 | 47% | 41.5% |
| 1988 | 46.8% | 41.2% |
| 1989 | 46.8% | 40.9% |
| 1990 | 47.1% | 40.8% |
| 1991 | 47.1% | 40.6% |
| 1992 | 46.9% | 40.5% |
| 1993 | 47.5% | 40.3% |
| 1994 | 48.2% | 40.1% |
| 1995 | 47.9% | 39.9% |
| 1996 | 47.8% | 39.7% |
| 1997 | 48.2% | 39.3% |
| 1998 | 48.5% | 38.9% |
| 1999 | 48.6% | 38.6% |
| 2000 | 48.8% | 38.3% |
| 2001 | 49% | 38.2% |
| 2002 | 49.1% | 38.1% |
| 2003 | 49% | 38.1% |
| 2004 | 48.7% | 38.2% |
| 2005 | 48.6% | 38.3% |
| 2006 | 48.6% | 38.3% |
| 2007 | 48.7% | 38.3% |
| 2008 | 48.7% | 38% |
| 2009 | 48.7% | 37.8% |
| 2010 | 48.8% | 37.6% |
| 2011 | 48.7% | 37.4% |
| 2012 | 48.7% | 37.2% |
| 2013 | 48.6% | 37.1% |
| 2014 | 48.5% | 36.9% |
| 2015 | 48.5% | 36.7% |
| 2016 | 48.5% | 36.5% |
| 2017 | 48.4% | 36.4% |
| 2018 | 48.2% | 36.2% |
| 2019 | 48.1% | 36% |
| 2020 | 48% | 35.8% |
| 2021 | 47.7% | 35.7% |
| 2022 | 47.4% | 35.6% |
| 2023 | 46.7% | 35.6% |
| 2024 | 46.1% | 35.4% |
| 2025 | 46% | 34.9% |
| 2026 | 46% | 34.4% |
| 2027 | 45.9% | 33.8% |
| 2028 | 45.8% | 33.3% |
| 2029 | 45.6% | 32.6% |
| 2030 | 45.4% | 32% |
| 2031 | 45.1% | 31.6% |
| 2032 | 44.9% | 31.2% |
| 2033 | 44.6% | 31% |
| 2034 | 44.3% | 30.8% |
| 2035 | 44% | 30.7% |
| 2036 | 43.7% | 30.5% |
| 2037 | 43.3% | 30.4% |
| 2038 | 42.9% | 30.3% |
| 2039 | 42.4% | 30.2% |
| 2040 | 41.9% | 30.1% |
| 2041 | 41.4% | 30.1% |
| 2042 | 40.9% | 30% |
| 2043 | 40.5% | 30% |
| 2044 | 40% | 29.9% |
| 2045 | 39.6% | 29.8% |
| 2046 | 39.2% | 29.6% |
| 2047 | 38.8% | 29.5% |
| 2048 | 38.4% | 29.2% |
| 2049 | 38.1% | 29% |
| 2050 | 37.7% | 28.7% |
Children aged 0-14 make up 46.1% of the population in Chad and 35.4% in Tonga in 2024, compared to 47.1% and 40.8% respectively in 1990.
Natural population change in Chad vs Tonga by year
For the past 10 years, the annual natural population change (excluding migration) has been +3.18% in Chad and +1.79% in Tonga. The chart below illustrates the comparison of the absolute yearly changes resulting from births and deaths.
Chad
Tonga
Natural population change
| Year | Population change due to births and deaths | |
|---|---|---|
|
Chad
|
Tonga
|
|
| 1960 | 62,003 | 2,230 |
| 1961 | 63,639 | 2,284 |
| 1962 | 65,312 | 2,343 |
| 1963 | 67,414 | 2,394 |
| 1964 | 69,483 | 2,445 |
| 1965 | 70,913 | 2,498 |
| 1966 | 73,123 | 2,550 |
| 1967 | 76,142 | 2,603 |
| 1968 | 79,465 | 2,614 |
| 1969 | 83,413 | 2,632 |
| 1970 | 87,660 | 2,628 |
| 1971 | 89,404 | 2,611 |
| 1972 | 101,142 | 2,605 |
| 1973 | 104,418 | 2,617 |
| 1974 | 106,898 | 2,650 |
| 1975 | 109,315 | 2,709 |
| 1976 | 111,324 | 2,769 |
| 1977 | 113,498 | 2,822 |
| 1978 | 115,084 | 2,862 |
| 1979 | 117,780 | 2,884 |
| 1980 | 122,468 | 2,885 |
| 1981 | 111,907 | 2,882 |
| 1982 | 119,121 | 2,853 |
| 1983 | 144,684 | 2,840 |
| 1984 | 151,511 | 2,814 |
| 1985 | 145,845 | 2,762 |
| 1986 | 152,360 | 2,704 |
| 1987 | 156,797 | 2,646 |
| 1988 | 178,489 | 2,649 |
| 1989 | 188,485 | 2,644 |
| 1990 | 191,959 | 2,641 |
| 1991 | 200,102 | 2,637 |
| 1992 | 219,348 | 2,622 |
| 1993 | 229,984 | 2,594 |
| 1994 | 223,996 | 2,547 |
| 1995 | 234,010 | 2,476 |
| 1996 | 254,589 | 2,393 |
| 1997 | 261,030 | 2,332 |
| 1998 | 270,055 | 2,344 |
| 1999 | 278,264 | 2,352 |
| 2000 | 287,173 | 2,346 |
| 2001 | 297,254 | 2,358 |
| 2002 | 302,995 | 2,396 |
| 2003 | 314,740 | 2,448 |
| 2004 | 334,136 | 2,478 |
| 2005 | 352,302 | 2,495 |
| 2006 | 362,027 | 2,459 |
| 2007 | 376,732 | 2,423 |
| 2008 | 387,439 | 2,397 |
| 2009 | 401,937 | 2,358 |
| 2010 | 416,177 | 2,332 |
| 2011 | 428,989 | 2,298 |
| 2012 | 444,246 | 2,255 |
| 2013 | 454,517 | 2,199 |
| 2014 | 467,957 | 2,135 |
| 2015 | 478,010 | 2,064 |
| 2016 | 483,442 | 1,989 |
| 2017 | 494,304 | 1,912 |
| 2018 | 509,642 | 1,873 |
| 2019 | 530,540 | 1,841 |
| 2020 | 541,234 | 1,816 |
| 2021 | 554,851 | 1,773 |
| 2022 | 588,060 | 1,772 |
| 2023 | 605,924 | 1,744 |
Fertility rates around the globe
Fertility rate
Maternal mortality chart: Chad vs Tonga
The maternal mortality rate, which is the probability of dying during childbirth or within 42 days of pregnancy termination, is 748 deaths per 100,000 live births in Chad, compared to 67 deaths in Tonga.
Chad
Tonga
| Year | Maternal mortality per 100K births | |
|---|---|---|
|
Chad
|
Tonga
|
|
| 1985 | 1,119 | 148 |
| 1986 | 1,068 | 149 |
| 1987 | 1,123 | 147 |
| 1988 | 1,093 | 145 |
| 1989 | 1,083 | 139 |
| 1990 | 1,113 | 138 |
| 1991 | 1,093 | 134 |
| 1992 | 1,119 | 129 |
| 1993 | 1,166 | 127 |
| 1994 | 1,151 | 123 |
| 1995 | 1,119 | 117 |
| 1996 | 1,150 | 113 |
| 1997 | 1,146 | 111 |
| 1998 | 1,177 | 104 |
| 1999 | 1,184 | 99 |
| 2000 | 1,208 | 100 |
| 2001 | 1,204 | 98 |
| 2002 | 1,199 | 98 |
| 2003 | 1,170 | 95 |
| 2004 | 1,167 | 92 |
| 2005 | 1,189 | 92 |
| 2006 | 1,220 | 89 |
| 2007 | 1,240 | 88 |
| 2008 | 1,264 | 88 |
| 2009 | 1,285 | 91 |
| 2010 | 1,284 | 85 |
| 2011 | 1,264 | 84 |
| 2012 | 1,245 | 83 |
| 2013 | 1,216 | 80 |
| 2014 | 1,198 | 80 |
| 2015 | 1,176 | 79 |
| 2016 | 1,133 | 78 |
| 2017 | 1,085 | 77 |
| 2018 | 1,020 | 74 |
| 2019 | 958 | 73 |
| 2020 | 877 | 74 |
| 2021 | 869 | 76 |
| 2022 | 775 | 72 |
| 2023 | 748 | 67 |
Under-five mortality rates
The chance that a newborn baby will die before reaching age five is 10.1% in Chad and 0.99% in Tonga. Below is the historical data on under-five mortality rates.
Chad
Tonga
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 | |
|---|---|---|
|
Chad
|
Tonga
|
|
| 1960 | 26.7% | - |
| 1961 | 26.6% | - |
| 1962 | 26.5% | - |
| 1963 | 26.4% | 7.83% |
| 1964 | 26.3% | 7.35% |
| 1965 | 26.1% | 6.89% |
| 1966 | 26% | 6.45% |
| 1967 | 25.9% | 6.03% |
| 1968 | 25.7% | 5.63% |
| 1969 | 25.6% | 5.25% |
| 1970 | 25.4% | 4.91% |
| 1971 | 25.3% | 4.61% |
| 1972 | 25.2% | 4.35% |
| 1973 | 25% | 4.11% |
| 1974 | 24.8% | 3.9% |
| 1975 | 24.7% | 3.71% |
| 1976 | 24.6% | 3.53% |
| 1977 | 24.4% | 3.37% |
| 1978 | 24.2% | 3.22% |
| 1979 | 24.1% | 3.09% |
| 1980 | 23.8% | 2.97% |
| 1981 | 23.6% | 2.87% |
| 1982 | 23.4% | 2.78% |
| 1983 | 23.2% | 2.7% |
| 1984 | 22.9% | 2.63% |
| 1985 | 22.6% | 2.57% |
| 1986 | 22.3% | 2.51% |
| 1987 | 22% | 2.44% |
| 1988 | 21.8% | 2.37% |
| 1989 | 21.5% | 2.29% |
| 1990 | 21.2% | 2.21% |
| 1991 | 20.9% | 2.14% |
| 1992 | 20.6% | 2.06% |
| 1993 | 20.3% | 2% |
| 1994 | 20.1% | 1.94% |
| 1995 | 19.8% | 1.89% |
| 1996 | 19.6% | 1.85% |
| 1997 | 19.3% | 1.81% |
| 1998 | 19% | 1.78% |
| 1999 | 18.7% | 1.74% |
| 2000 | 18.4% | 1.7% |
| 2001 | 18% | 1.65% |
| 2002 | 17.7% | 1.61% |
| 2003 | 17.3% | 1.56% |
| 2004 | 17% | 1.52% |
| 2005 | 16.7% | 1.48% |
| 2006 | 16.3% | 1.44% |
| 2007 | 15.9% | 1.41% |
| 2008 | 15.5% | 1.37% |
| 2009 | 15.2% | 1.34% |
| 2010 | 14.8% | 1.31% |
| 2011 | 14.4% | 1.29% |
| 2012 | 14% | 1.26% |
| 2013 | 13.7% | 1.24% |
| 2014 | 13.3% | 1.22% |
| 2015 | 12.9% | 1.19% |
| 2016 | 12.6% | 1.17% |
| 2017 | 12.2% | 1.15% |
| 2018 | 11.8% | 1.12% |
| 2019 | 11.5% | 1.1% |
| 2020 | 11.1% | 1.08% |
| 2021 | 10.8% | 1.05% |
| 2022 | 10.4% | 1.02% |
| 2023 | 10.1% | 0.99% |
Compare countries by 7 more topics
Relevant pages:
By topic
vs
comparisons:
Birth rate comparisons
