Sudan has an annual birth rate of 33.6 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 4.32 in Sudan and 3.13 in Tonga — 27.6% difference.
1960 vs 2023, the fertility rate has decreased by -35.1% in Sudan and by -53% in Tonga — in 1960, it was 6.66 and 6.65, respectively.
Birth rates facts compared:
- Sudan is ranked 18/196 by birth rate compared to 58/196 for Tonga.
- The mean age at childbearing (for all the births, not just the first) is 29.8 in Sudan — it's 29.9 in Tonga.
- Annual births per 1,000 women ages 15-19 (adolescent birth rate or teenage mother rate) is 66.1 in Sudan vs 24.8 in Tonga.
- In Sudan, 24.8% 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 +2.72% in Sudan and +1.67% in Tonga.
Birth rate data compared
Sudan
|
Tonga
|
|
|---|---|---|
| Fertility rate | 4.32 | 3.13 |
| Birth rate | 33.6 | 23.1 |
| Birth rate rank | 18/196 | 58/196 |
| Age at first childbirth | n/a | 24.9 years |
| Average age at childbearing | 29.8 years | 29.9 years |
| Annual births per 1,000 women ages 15-19 | 62.7 | 25.1 |
| Annual births per 1,000 women ages 20-29 | 188.7 | 145 |
| Annual births per 1,000 women ages 30+ | 72.7 | 41.6 |
| Female of reproductive age (15-49), share of population | 24.8% | 25.6% |
| Any modern method of contraceptive prevalence among married women ages 15-49 | 12% | 25.2% |
| Share of births attended by skilled health staff | 77.7% | 98.3% |
| Maternal mortality per live birth | 0.26% | 0.07% |
| Neonatal mortality rate (before reaching 28 days of age) | 2.48% | 0.43% |
| Infant mortality rate (before reaching 1 year of age) | 3.92% | 0.8% |
| Mortality rate before reaching 5 years of age, per 1,000 live births | 5.01% | 0.99% |
| Population change due to births and deaths | +1,361,564 | +1,744 |
| Natural population change rank | 11/196 | 137/196 |
| Natural population change rate | +2.72% | +1.67% |
| Population growth | +0.81% | -0.4% |
| Population growth rank | 118/197 | 181/197 |
| Life expectancy | 66.7 years | 73.2 years |
Fertility rate in Sudan vs Tonga chart
According to the latest available data on birth rates, the fertility rate in Sudan was 4.32 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 Sudan vs Tonga population clock for a dynamic visualization of the changing population.
The chart below showcases historical changes in the birth rates.
Sudan
Factual
UN forecast
Tonga
Factual
UN forecast
Births per woman
| Year | Fertility rate | |
|---|---|---|
|
Sudan
|
Tonga
|
|
| 1960 | 6.66 | 6.65 |
| 1961 | 6.66 | 6.61 |
| 1962 | 6.7 | 6.57 |
| 1963 | 6.76 | 6.52 |
| 1964 | 6.8 | 6.46 |
| 1965 | 6.84 | 6.41 |
| 1966 | 6.88 | 6.35 |
| 1967 | 6.91 | 6.29 |
| 1968 | 6.95 | 6.23 |
| 1969 | 6.97 | 6.17 |
| 1970 | 6.99 | 6.07 |
| 1971 | 7.02 | 5.96 |
| 1972 | 6.98 | 5.86 |
| 1973 | 6.94 | 5.8 |
| 1974 | 6.91 | 5.77 |
| 1975 | 6.87 | 5.75 |
| 1976 | 6.82 | 5.73 |
| 1977 | 6.78 | 5.7 |
| 1978 | 6.72 | 5.68 |
| 1979 | 6.65 | 5.65 |
| 1980 | 6.59 | 5.6 |
| 1981 | 6.53 | 5.55 |
| 1982 | 6.47 | 5.5 |
| 1983 | 6.41 | 5.45 |
| 1984 | 6.34 | 5.41 |
| 1985 | 6.28 | 5.34 |
| 1986 | 6.23 | 5.27 |
| 1987 | 6.18 | 5.19 |
| 1988 | 6.13 | 5.1 |
| 1989 | 6.11 | 5.01 |
| 1990 | 6.07 | 4.93 |
| 1991 | 6.05 | 4.85 |
| 1992 | 6.02 | 4.79 |
| 1993 | 5.97 | 4.73 |
| 1994 | 5.91 | 4.66 |
| 1995 | 5.86 | 4.56 |
| 1996 | 5.79 | 4.46 |
| 1997 | 5.72 | 4.38 |
| 1998 | 5.65 | 4.31 |
| 1999 | 5.62 | 4.23 |
| 2000 | 5.6 | 4.16 |
| 2001 | 5.56 | 4.13 |
| 2002 | 5.53 | 4.14 |
| 2003 | 5.49 | 4.18 |
| 2004 | 5.46 | 4.19 |
| 2005 | 5.4 | 4.2 |
| 2006 | 5.33 | 4.14 |
| 2007 | 5.27 | 4.09 |
| 2008 | 5.21 | 4.01 |
| 2009 | 5.17 | 3.95 |
| 2010 | 5.14 | 3.88 |
| 2011 | 5.09 | 3.83 |
| 2012 | 5.03 | 3.77 |
| 2013 | 4.97 | 3.7 |
| 2014 | 4.91 | 3.62 |
| 2015 | 4.9 | 3.54 |
| 2016 | 4.83 | 3.46 |
| 2017 | 4.76 | 3.39 |
| 2018 | 4.68 | 3.33 |
| 2019 | 4.62 | 3.27 |
| 2020 | 4.54 | 3.23 |
| 2021 | 4.46 | 3.2 |
| 2022 | 4.38 | 3.17 |
| 2023 | 4.32 | 3.13 |
| 2024 | 4.26 | 3.1 |
| 2025 | 4.19 | 3.07 |
| 2026 | 4.13 | 3.04 |
| 2027 | 4.06 | 3 |
| 2028 | 4 | 2.97 |
| 2029 | 3.95 | 2.95 |
| 2030 | 3.88 | 2.91 |
| 2031 | 3.82 | 2.89 |
| 2032 | 3.77 | 2.85 |
| 2033 | 3.7 | 2.82 |
| 2034 | 3.66 | 2.8 |
| 2035 | 3.6 | 2.77 |
| 2036 | 3.54 | 2.75 |
| 2037 | 3.49 | 2.72 |
| 2038 | 3.45 | 2.7 |
| 2039 | 3.4 | 2.68 |
| 2040 | 3.36 | 2.65 |
| 2041 | 3.32 | 2.63 |
| 2042 | 3.28 | 2.61 |
| 2043 | 3.24 | 2.59 |
| 2044 | 3.2 | 2.56 |
| 2045 | 3.17 | 2.54 |
| 2046 | 3.13 | 2.52 |
| 2047 | 3.1 | 2.5 |
| 2048 | 3.07 | 2.49 |
| 2049 | 3.03 | 2.47 |
| 2050 | 3 | 2.45 |
Children 0-14 years as share of population
Sudan
Factual
UN forecast
Tonga
Factual
UN forecast
| Year | Share of people 0-14 years old | |
|---|---|---|
|
Sudan
|
Tonga
|
|
| 1960 | 46.5% | 45.7% |
| 1961 | 46.6% | 45.7% |
| 1962 | 46.6% | 45.8% |
| 1963 | 46.7% | 45.9% |
| 1964 | 46.9% | 45.9% |
| 1965 | 47% | 45.9% |
| 1966 | 47.1% | 45.9% |
| 1967 | 47.2% | 46% |
| 1968 | 47.3% | 46.2% |
| 1969 | 47.4% | 46.3% |
| 1970 | 47.5% | 46.4% |
| 1971 | 47.6% | 46.4% |
| 1972 | 47.7% | 46.3% |
| 1973 | 47.9% | 46.2% |
| 1974 | 48.1% | 46.2% |
| 1975 | 48% | 46.2% |
| 1976 | 47.8% | 46.1% |
| 1977 | 47.7% | 45.8% |
| 1978 | 47.4% | 45.3% |
| 1979 | 47.1% | 44.8% |
| 1980 | 46.8% | 44.3% |
| 1981 | 46.6% | 43.9% |
| 1982 | 46.4% | 43.4% |
| 1983 | 46.3% | 42.9% |
| 1984 | 46.2% | 42.4% |
| 1985 | 46.1% | 42% |
| 1986 | 46.1% | 41.7% |
| 1987 | 46% | 41.5% |
| 1988 | 46% | 41.2% |
| 1989 | 46.1% | 40.9% |
| 1990 | 46.1% | 40.8% |
| 1991 | 46.2% | 40.6% |
| 1992 | 46.3% | 40.5% |
| 1993 | 46.3% | 40.3% |
| 1994 | 46.3% | 40.1% |
| 1995 | 46.3% | 39.9% |
| 1996 | 46.2% | 39.7% |
| 1997 | 46.2% | 39.3% |
| 1998 | 46.1% | 38.9% |
| 1999 | 45.9% | 38.6% |
| 2000 | 45.8% | 38.3% |
| 2001 | 45.7% | 38.2% |
| 2002 | 45.6% | 38.1% |
| 2003 | 45.6% | 38.1% |
| 2004 | 45.5% | 38.2% |
| 2005 | 45.4% | 38.3% |
| 2006 | 45.3% | 38.3% |
| 2007 | 45.1% | 38.3% |
| 2008 | 44.9% | 38% |
| 2009 | 44.7% | 37.8% |
| 2010 | 44.6% | 37.6% |
| 2011 | 44.6% | 37.4% |
| 2012 | 44.5% | 37.2% |
| 2013 | 44.4% | 37.1% |
| 2014 | 44% | 36.9% |
| 2015 | 43.6% | 36.7% |
| 2016 | 43.1% | 36.5% |
| 2017 | 42.6% | 36.4% |
| 2018 | 42% | 36.2% |
| 2019 | 41.7% | 36% |
| 2020 | 41.4% | 35.8% |
| 2021 | 41.2% | 35.7% |
| 2022 | 40.9% | 35.6% |
| 2023 | 40.6% | 35.6% |
| 2024 | 40.5% | 35.4% |
| 2025 | 40.2% | 34.9% |
| 2026 | 39.8% | 34.4% |
| 2027 | 39.5% | 33.8% |
| 2028 | 39.3% | 33.3% |
| 2029 | 39.1% | 32.6% |
| 2030 | 38.9% | 32% |
| 2031 | 38.6% | 31.6% |
| 2032 | 38.3% | 31.2% |
| 2033 | 37.9% | 31% |
| 2034 | 37.5% | 30.8% |
| 2035 | 37.1% | 30.7% |
| 2036 | 36.7% | 30.5% |
| 2037 | 36.3% | 30.4% |
| 2038 | 35.9% | 30.3% |
| 2039 | 35.5% | 30.2% |
| 2040 | 35.1% | 30.1% |
| 2041 | 34.7% | 30.1% |
| 2042 | 34.3% | 30% |
| 2043 | 33.9% | 30% |
| 2044 | 33.6% | 29.9% |
| 2045 | 33.2% | 29.8% |
| 2046 | 32.8% | 29.6% |
| 2047 | 32.5% | 29.5% |
| 2048 | 32.2% | 29.2% |
| 2049 | 31.9% | 29% |
| 2050 | 31.6% | 28.7% |
Children aged 0-14 make up 40.5% of the population in Sudan and 35.4% in Tonga in 2024, compared to 46.1% and 40.8% respectively in 1990.
Natural population change in Sudan vs Tonga by year
For the past 10 years, the annual natural population change (excluding migration) has been +2.79% in Sudan and +1.79% in Tonga. The chart below illustrates the comparison of the absolute yearly changes resulting from births and deaths.
Sudan
Tonga
Natural population change
| Year | Population change due to births and deaths | |
|---|---|---|
|
Sudan
|
Tonga
|
|
| 1960 | 262,235 | 2,230 |
| 1961 | 272,562 | 2,284 |
| 1962 | 287,317 | 2,343 |
| 1963 | 302,132 | 2,394 |
| 1964 | 315,166 | 2,445 |
| 1965 | 327,799 | 2,498 |
| 1966 | 342,118 | 2,550 |
| 1967 | 356,599 | 2,603 |
| 1968 | 370,917 | 2,614 |
| 1969 | 385,712 | 2,632 |
| 1970 | 401,013 | 2,628 |
| 1971 | 417,641 | 2,611 |
| 1972 | 428,340 | 2,605 |
| 1973 | 439,201 | 2,617 |
| 1974 | 444,456 | 2,650 |
| 1975 | 454,813 | 2,709 |
| 1976 | 470,019 | 2,769 |
| 1977 | 483,089 | 2,822 |
| 1978 | 497,987 | 2,862 |
| 1979 | 524,942 | 2,884 |
| 1980 | 552,930 | 2,885 |
| 1981 | 585,087 | 2,882 |
| 1982 | 606,362 | 2,853 |
| 1983 | 570,198 | 2,840 |
| 1984 | 577,405 | 2,814 |
| 1985 | 583,382 | 2,762 |
| 1986 | 649,649 | 2,704 |
| 1987 | 658,416 | 2,646 |
| 1988 | 672,604 | 2,649 |
| 1989 | 683,743 | 2,644 |
| 1990 | 699,953 | 2,641 |
| 1991 | 714,612 | 2,637 |
| 1992 | 731,177 | 2,622 |
| 1993 | 743,249 | 2,594 |
| 1994 | 764,645 | 2,547 |
| 1995 | 780,700 | 2,476 |
| 1996 | 792,926 | 2,393 |
| 1997 | 802,245 | 2,332 |
| 1998 | 814,752 | 2,344 |
| 1999 | 835,840 | 2,352 |
| 2000 | 858,536 | 2,346 |
| 2001 | 880,284 | 2,358 |
| 2002 | 897,965 | 2,396 |
| 2003 | 898,226 | 2,448 |
| 2004 | 889,382 | 2,478 |
| 2005 | 907,017 | 2,495 |
| 2006 | 963,740 | 2,459 |
| 2007 | 992,819 | 2,423 |
| 2008 | 1,001,826 | 2,397 |
| 2009 | 1,041,810 | 2,358 |
| 2010 | 1,068,381 | 2,332 |
| 2011 | 1,070,888 | 2,298 |
| 2012 | 1,073,062 | 2,255 |
| 2013 | 1,078,446 | 2,199 |
| 2014 | 1,097,962 | 2,135 |
| 2015 | 1,145,259 | 2,064 |
| 2016 | 1,174,422 | 1,989 |
| 2017 | 1,208,046 | 1,912 |
| 2018 | 1,257,387 | 1,873 |
| 2019 | 1,291,747 | 1,841 |
| 2020 | 1,295,781 | 1,816 |
| 2021 | 1,293,817 | 1,773 |
| 2022 | 1,333,992 | 1,772 |
| 2023 | 1,361,564 | 1,744 |
Fertility rates around the globe
Fertility rate
Maternal mortality chart: Sudan vs Tonga
The maternal mortality rate, which is the probability of dying during childbirth or within 42 days of pregnancy termination, is 256 deaths per 100,000 live births in Sudan, compared to 67 deaths in Tonga.
Sudan
Tonga
| Year | Maternal mortality per 100K births | |
|---|---|---|
|
Sudan
|
Tonga
|
|
| 1985 | 980 | 148 |
| 1986 | 938 | 149 |
| 1987 | 914 | 147 |
| 1988 | 877 | 145 |
| 1989 | 881 | 139 |
| 1990 | 840 | 138 |
| 1991 | 873 | 134 |
| 1992 | 863 | 129 |
| 1993 | 839 | 127 |
| 1994 | 775 | 123 |
| 1995 | 730 | 117 |
| 1996 | 712 | 113 |
| 1997 | 681 | 111 |
| 1998 | 669 | 104 |
| 1999 | 662 | 99 |
| 2000 | 645 | 100 |
| 2001 | 616 | 98 |
| 2002 | 588 | 98 |
| 2003 | 593 | 95 |
| 2004 | 536 | 92 |
| 2005 | 506 | 92 |
| 2006 | 485 | 89 |
| 2007 | 445 | 88 |
| 2008 | 426 | 88 |
| 2009 | 382 | 91 |
| 2010 | 370 | 85 |
| 2011 | 357 | 84 |
| 2012 | 340 | 83 |
| 2013 | 327 | 80 |
| 2014 | 309 | 80 |
| 2015 | 298 | 79 |
| 2016 | 288 | 78 |
| 2017 | 277 | 77 |
| 2018 | 268 | 74 |
| 2019 | 262 | 73 |
| 2020 | 273 | 74 |
| 2021 | 305 | 76 |
| 2022 | 263 | 72 |
| 2023 | 256 | 67 |
Under-five mortality rates
The chance that a newborn baby will die before reaching age five is 5.01% in Sudan and 0.99% in Tonga. Below is the historical data on under-five mortality rates.
Sudan
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 | |
|---|---|---|
|
Sudan
|
Tonga
|
|
| 1960 | 17.8% | - |
| 1961 | 17.5% | - |
| 1962 | 17.2% | - |
| 1963 | 17% | 7.83% |
| 1964 | 16.7% | 7.35% |
| 1965 | 16.5% | 6.89% |
| 1966 | 16.3% | 6.45% |
| 1967 | 16.2% | 6.03% |
| 1968 | 16% | 5.63% |
| 1969 | 15.9% | 5.25% |
| 1970 | 15.8% | 4.91% |
| 1971 | 15.7% | 4.61% |
| 1972 | 15.6% | 4.35% |
| 1973 | 15.5% | 4.11% |
| 1974 | 15.4% | 3.9% |
| 1975 | 15.3% | 3.71% |
| 1976 | 15.2% | 3.53% |
| 1977 | 15.1% | 3.37% |
| 1978 | 15% | 3.22% |
| 1979 | 14.9% | 3.09% |
| 1980 | 14.8% | 2.97% |
| 1981 | 14.6% | 2.87% |
| 1982 | 14.5% | 2.78% |
| 1983 | 18.2% | 2.7% |
| 1984 | 18% | 2.63% |
| 1985 | 17.8% | 2.57% |
| 1986 | 14% | 2.51% |
| 1987 | 13.8% | 2.44% |
| 1988 | 13.6% | 2.37% |
| 1989 | 13.4% | 2.29% |
| 1990 | 13.2% | 2.21% |
| 1991 | 13% | 2.14% |
| 1992 | 12.7% | 2.06% |
| 1993 | 12.5% | 2% |
| 1994 | 12.2% | 1.94% |
| 1995 | 11.9% | 1.89% |
| 1996 | 11.6% | 1.85% |
| 1997 | 11.3% | 1.81% |
| 1998 | 11% | 1.78% |
| 1999 | 10.7% | 1.74% |
| 2000 | 10.3% | 1.7% |
| 2001 | 9.99% | 1.65% |
| 2002 | 9.65% | 1.61% |
| 2003 | 9.31% | 1.56% |
| 2004 | 10.3% | 1.52% |
| 2005 | 10% | 1.48% |
| 2006 | 8.4% | 1.44% |
| 2007 | 8.13% | 1.41% |
| 2008 | 7.88% | 1.37% |
| 2009 | 7.64% | 1.34% |
| 2010 | 7.42% | 1.31% |
| 2011 | 7.22% | 1.29% |
| 2012 | 7.02% | 1.26% |
| 2013 | 6.83% | 1.24% |
| 2014 | 6.64% | 1.22% |
| 2015 | 6.45% | 1.19% |
| 2016 | 6.26% | 1.17% |
| 2017 | 6.07% | 1.15% |
| 2018 | 5.89% | 1.12% |
| 2019 | 5.71% | 1.1% |
| 2020 | 5.53% | 1.08% |
| 2021 | 5.36% | 1.05% |
| 2022 | 5.18% | 1.02% |
| 2023 | 5.01% | 0.99% |
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