Comoros has an annual birth rate of 28.7 births per 1,000 people, compared to 33.8 for Guinea. The average number of children a woman is expected to have during her lifetime — the fertility rate, is 3.88 in Comoros and 4.22 in Guinea — 8.74% difference.
1960 vs 2023, the fertility rate has decreased by -42.9% in Comoros and by -31% in Guinea — in 1960, it was 6.79 and 6.11, respectively.
Birth rates facts compared:
- Comoros is ranked 35/196 by birth rate compared to 15/196 for Guinea.
- The mean age for first-time mothers is 23 years in Comoros, compared to 19.9 years in Guinea.
- The mean age at childbearing (for all the births, not just the first) is 30.2 in Comoros — it's 28.1 in Guinea.
- Annual births per 1,000 women ages 15-19 (adolescent birth rate or teenage mother rate) is 55.2 in Comoros vs 118.6 in Guinea.
- In Comoros, 24.7% of the population is composed of women of reproductive age (15-49), compared to 24.5% in Guinea.
- Excluding migration, the natural population change due to births and deaths from 2022 to 2023 was +2.15% in Comoros and +2.47% in Guinea.
Birth rate data compared
Comoros
|
Guinea
|
|
|---|---|---|
| Fertility rate | 3.88 | 4.22 |
| Birth rate | 28.7 | 33.8 |
| Birth rate rank | 35/196 | 15/196 |
| Age at first childbirth | 23 years | 19.9 years |
| Average age at childbearing | 30.2 years | 28.1 years |
| Annual births per 1,000 women ages 15-19 | 52.5 | 114.9 |
| Annual births per 1,000 women ages 20-29 | 160.3 | 189.3 |
| Annual births per 1,000 women ages 30+ | 64.5 | 58.9 |
| Female of reproductive age (15-49), share of population | 24.7% | 24.5% |
| Any modern method of contraceptive prevalence among married women ages 15-49 | 8.6% | 10.6% |
| Share of births attended by skilled health staff | 82.2% | 55.3% |
| Maternal mortality per live birth | 0.18% | 0.49% |
| Neonatal mortality rate (before reaching 28 days of age) | 2.25% | 3.03% |
| Infant mortality rate (before reaching 1 year of age) | 3.57% | 6.15% |
| Mortality rate before reaching 5 years of age, per 1,000 live births | 3.98% | 9.5% |
| Population change due to births and deaths | +18,247 | +356,147 |
| Natural population change rank | 111/196 | 48/196 |
| Natural population change rate | +2.15% | +2.47% |
| Population growth | +1.91% | +2.42% |
| Population growth rank | 58/197 | 34/197 |
| Life expectancy | 67.2 years | 61.1 years |
Fertility rate in Comoros vs Guinea chart
According to the latest available data on birth rates, the fertility rate in Comoros was 3.88 children per woman in 2023, compared to 4.22 in Guinea in 2023. The replacement level is considered to be 2.1 children per woman.
Check Comoros vs Guinea population clock for a dynamic visualization of the changing population.
The chart below showcases historical changes in the birth rates.
Comoros
Factual
UN forecast
Guinea
Factual
UN forecast
Births per woman
| Year | Fertility rate | |
|---|---|---|
|
Comoros
|
Guinea
|
|
| 1960 | 6.79 | 6.11 |
| 1961 | 6.85 | 6.13 |
| 1962 | 6.9 | 6.14 |
| 1963 | 6.92 | 6.15 |
| 1964 | 6.94 | 6.17 |
| 1965 | 6.97 | 6.18 |
| 1966 | 7 | 6.19 |
| 1967 | 7.02 | 6.2 |
| 1968 | 7.05 | 6.21 |
| 1969 | 7.07 | 6.23 |
| 1970 | 7.1 | 6.24 |
| 1971 | 7.12 | 6.26 |
| 1972 | 7.14 | 6.28 |
| 1973 | 7.17 | 6.31 |
| 1974 | 7.16 | 6.34 |
| 1975 | 7.16 | 6.37 |
| 1976 | 7.16 | 6.4 |
| 1977 | 7.15 | 6.43 |
| 1978 | 7.16 | 6.44 |
| 1979 | 7.16 | 6.45 |
| 1980 | 7.15 | 6.46 |
| 1981 | 7.14 | 6.46 |
| 1982 | 7.13 | 6.49 |
| 1983 | 7.11 | 6.49 |
| 1984 | 7.07 | 6.51 |
| 1985 | 7.02 | 6.53 |
| 1986 | 6.95 | 6.55 |
| 1987 | 6.87 | 6.57 |
| 1988 | 6.76 | 6.56 |
| 1989 | 6.65 | 6.55 |
| 1990 | 6.51 | 6.52 |
| 1991 | 6.35 | 6.48 |
| 1992 | 6.19 | 6.45 |
| 1993 | 6.02 | 6.41 |
| 1994 | 5.86 | 6.36 |
| 1995 | 5.73 | 6.29 |
| 1996 | 5.63 | 6.21 |
| 1997 | 5.51 | 6.12 |
| 1998 | 5.39 | 6.05 |
| 1999 | 5.28 | 5.99 |
| 2000 | 5.23 | 5.92 |
| 2001 | 5.2 | 5.83 |
| 2002 | 5.16 | 5.78 |
| 2003 | 5.12 | 5.74 |
| 2004 | 5.07 | 5.73 |
| 2005 | 5.01 | 5.73 |
| 2006 | 4.93 | 5.7 |
| 2007 | 4.86 | 5.66 |
| 2008 | 4.81 | 5.6 |
| 2009 | 4.78 | 5.53 |
| 2010 | 4.76 | 5.44 |
| 2011 | 4.72 | 5.34 |
| 2012 | 4.65 | 5.23 |
| 2013 | 4.57 | 5.15 |
| 2014 | 4.49 | 5.07 |
| 2015 | 4.42 | 5 |
| 2016 | 4.35 | 4.92 |
| 2017 | 4.28 | 4.79 |
| 2018 | 4.21 | 4.67 |
| 2019 | 4.14 | 4.58 |
| 2020 | 4.07 | 4.49 |
| 2021 | 4 | 4.4 |
| 2022 | 3.94 | 4.3 |
| 2023 | 3.88 | 4.22 |
| 2024 | 3.82 | 4.13 |
| 2025 | 3.76 | 4.04 |
| 2026 | 3.71 | 3.96 |
| 2027 | 3.65 | 3.89 |
| 2028 | 3.6 | 3.81 |
| 2029 | 3.55 | 3.73 |
| 2030 | 3.5 | 3.66 |
| 2031 | 3.44 | 3.59 |
| 2032 | 3.4 | 3.52 |
| 2033 | 3.36 | 3.45 |
| 2034 | 3.31 | 3.38 |
| 2035 | 3.27 | 3.32 |
| 2036 | 3.23 | 3.27 |
| 2037 | 3.19 | 3.21 |
| 2038 | 3.15 | 3.16 |
| 2039 | 3.11 | 3.12 |
| 2040 | 3.07 | 3.07 |
| 2041 | 3.04 | 3.02 |
| 2042 | 3 | 2.98 |
| 2043 | 2.97 | 2.94 |
| 2044 | 2.93 | 2.9 |
| 2045 | 2.9 | 2.86 |
| 2046 | 2.87 | 2.82 |
| 2047 | 2.84 | 2.79 |
| 2048 | 2.81 | 2.75 |
| 2049 | 2.78 | 2.73 |
| 2050 | 2.76 | 2.7 |
Children 0-14 years as share of population
Comoros
Factual
UN forecast
Guinea
Factual
UN forecast
| Year | Share of people 0-14 years old | |
|---|---|---|
|
Comoros
|
Guinea
|
|
| 1960 | 41.6% | 39.6% |
| 1961 | 42% | 39.7% |
| 1962 | 42.5% | 39.9% |
| 1963 | 43.1% | 39.9% |
| 1964 | 43.7% | 40% |
| 1965 | 44.1% | 40.1% |
| 1966 | 44.5% | 40.2% |
| 1967 | 44.9% | 40.2% |
| 1968 | 45.3% | 40.3% |
| 1969 | 45.6% | 40.3% |
| 1970 | 45.8% | 40.4% |
| 1971 | 45.9% | 40.5% |
| 1972 | 46% | 40.7% |
| 1973 | 46.2% | 40.9% |
| 1974 | 46.3% | 41.1% |
| 1975 | 46.4% | 41.3% |
| 1976 | 46.6% | 41.5% |
| 1977 | 46.7% | 41.8% |
| 1978 | 46.8% | 42% |
| 1979 | 46.9% | 42.2% |
| 1980 | 46.9% | 42.4% |
| 1981 | 46.9% | 42.6% |
| 1982 | 46.9% | 42.7% |
| 1983 | 46.9% | 42.8% |
| 1984 | 46.8% | 42.9% |
| 1985 | 46.9% | 43% |
| 1986 | 46.9% | 43% |
| 1987 | 46.9% | 43.1% |
| 1988 | 46.9% | 43.1% |
| 1989 | 47% | 43.2% |
| 1990 | 47% | 43.3% |
| 1991 | 46.9% | 43.4% |
| 1992 | 47.1% | 43.5% |
| 1993 | 47.5% | 43.6% |
| 1994 | 47.7% | 43.7% |
| 1995 | 47.9% | 43.8% |
| 1996 | 47.9% | 43.9% |
| 1997 | 47.9% | 44.2% |
| 1998 | 47.7% | 44.5% |
| 1999 | 47.4% | 44.7% |
| 2000 | 47% | 44.9% |
| 2001 | 46.7% | 45.3% |
| 2002 | 46.6% | 45.5% |
| 2003 | 46.3% | 45.4% |
| 2004 | 45.7% | 45.3% |
| 2005 | 45% | 45.3% |
| 2006 | 44.3% | 45.3% |
| 2007 | 43.6% | 45.1% |
| 2008 | 42.9% | 44.9% |
| 2009 | 42.2% | 44.7% |
| 2010 | 41.6% | 44.5% |
| 2011 | 41% | 44.2% |
| 2012 | 40.5% | 44% |
| 2013 | 40.2% | 43.8% |
| 2014 | 40% | 43.5% |
| 2015 | 39.8% | 43.3% |
| 2016 | 39.6% | 43.1% |
| 2017 | 39.3% | 42.9% |
| 2018 | 38.9% | 42.6% |
| 2019 | 38.6% | 42.4% |
| 2020 | 38.3% | 42.1% |
| 2021 | 38% | 41.9% |
| 2022 | 37.7% | 41.6% |
| 2023 | 37.4% | 41.2% |
| 2024 | 37.1% | 40.9% |
| 2025 | 36.9% | 40.5% |
| 2026 | 36.6% | 40.2% |
| 2027 | 36.3% | 39.8% |
| 2028 | 36% | 39.5% |
| 2029 | 35.7% | 39.1% |
| 2030 | 35.3% | 38.7% |
| 2031 | 35% | 38.3% |
| 2032 | 34.7% | 37.9% |
| 2033 | 34.4% | 37.5% |
| 2034 | 34% | 37% |
| 2035 | 33.7% | 36.6% |
| 2036 | 33.4% | 36.2% |
| 2037 | 33.1% | 35.7% |
| 2038 | 32.8% | 35.3% |
| 2039 | 32.5% | 34.9% |
| 2040 | 32.2% | 34.5% |
| 2041 | 32% | 34.1% |
| 2042 | 31.7% | 33.7% |
| 2043 | 31.5% | 33.3% |
| 2044 | 31.2% | 32.9% |
| 2045 | 31% | 32.5% |
| 2046 | 30.8% | 32.2% |
| 2047 | 30.6% | 31.8% |
| 2048 | 30.3% | 31.5% |
| 2049 | 30.1% | 31.2% |
| 2050 | 29.9% | 30.8% |
Children aged 0-14 make up 37.1% of the population in Comoros and 40.9% in Guinea in 2024, compared to 47% and 43.3% respectively in 1990.
Natural population change in Comoros vs Guinea by year
For the past 10 years, the annual natural population change (excluding migration) has been +2.31% in Comoros and +2.6% in Guinea. The chart below illustrates the comparison of the absolute yearly changes resulting from births and deaths.
Comoros
Guinea
Natural population change
| Year | Population change due to births and deaths | |
|---|---|---|
|
Comoros
|
Guinea
|
|
| 1960 | 4,886 | 61,848 |
| 1961 | 5,027 | 63,766 |
| 1962 | 5,157 | 65,672 |
| 1963 | 5,249 | 67,690 |
| 1964 | 5,359 | 69,848 |
| 1965 | 5,465 | 72,134 |
| 1966 | 5,601 | 74,748 |
| 1967 | 5,741 | 77,251 |
| 1968 | 5,960 | 79,892 |
| 1969 | 6,189 | 82,799 |
| 1970 | 6,456 | 85,418 |
| 1971 | 6,722 | 88,358 |
| 1972 | 7,019 | 91,147 |
| 1973 | 7,328 | 93,764 |
| 1974 | 7,654 | 96,315 |
| 1975 | 7,752 | 99,267 |
| 1976 | 8,371 | 102,449 |
| 1977 | 8,750 | 105,990 |
| 1978 | 9,189 | 109,415 |
| 1979 | 9,637 | 113,141 |
| 1980 | 10,095 | 117,186 |
| 1981 | 10,569 | 121,223 |
| 1982 | 11,002 | 126,831 |
| 1983 | 11,367 | 130,629 |
| 1984 | 11,830 | 136,640 |
| 1985 | 12,202 | 142,313 |
| 1986 | 12,566 | 148,137 |
| 1987 | 12,869 | 154,178 |
| 1988 | 13,144 | 159,566 |
| 1989 | 13,374 | 164,707 |
| 1990 | 13,610 | 169,926 |
| 1991 | 13,783 | 181,299 |
| 1992 | 13,867 | 189,682 |
| 1993 | 13,667 | 195,612 |
| 1994 | 13,465 | 201,439 |
| 1995 | 13,403 | 205,644 |
| 1996 | 13,390 | 214,896 |
| 1997 | 13,254 | 220,373 |
| 1998 | 13,099 | 219,385 |
| 1999 | 13,161 | 223,968 |
| 2000 | 13,270 | 227,081 |
| 2001 | 13,598 | 227,642 |
| 2002 | 13,760 | 229,022 |
| 2003 | 14,031 | 234,774 |
| 2004 | 14,349 | 242,075 |
| 2005 | 14,810 | 251,209 |
| 2006 | 15,124 | 258,518 |
| 2007 | 15,393 | 266,070 |
| 2008 | 15,804 | 274,327 |
| 2009 | 16,315 | 281,920 |
| 2010 | 16,849 | 288,512 |
| 2011 | 17,313 | 293,318 |
| 2012 | 17,565 | 298,094 |
| 2013 | 17,776 | 304,430 |
| 2014 | 17,876 | 309,539 |
| 2015 | 17,961 | 316,604 |
| 2016 | 17,913 | 324,608 |
| 2017 | 17,798 | 328,542 |
| 2018 | 17,883 | 332,585 |
| 2019 | 17,936 | 338,984 |
| 2020 | 17,906 | 342,289 |
| 2021 | 17,645 | 345,121 |
| 2022 | 18,154 | 352,517 |
| 2023 | 18,247 | 356,147 |
Fertility rates around the globe
Fertility rate
Maternal mortality chart: Comoros vs Guinea
The maternal mortality rate, which is the probability of dying during childbirth or within 42 days of pregnancy termination, is 179 deaths per 100,000 live births in Comoros, compared to 494 deaths in Guinea.
Comoros
Guinea
| Year | Maternal mortality per 100K births | |
|---|---|---|
|
Comoros
|
Guinea
|
|
| 1985 | 850 | 1,248 |
| 1986 | 825 | 1,234 |
| 1987 | 811 | 1,218 |
| 1988 | 791 | 1,202 |
| 1989 | 768 | 1,188 |
| 1990 | 737 | 1,162 |
| 1991 | 704 | 1,143 |
| 1992 | 675 | 1,124 |
| 1993 | 642 | 1,094 |
| 1994 | 602 | 1,081 |
| 1995 | 571 | 1,042 |
| 1996 | 545 | 1,010 |
| 1997 | 520 | 994 |
| 1998 | 515 | 971 |
| 1999 | 486 | 960 |
| 2000 | 476 | 951 |
| 2001 | 440 | 946 |
| 2002 | 428 | 916 |
| 2003 | 400 | 892 |
| 2004 | 385 | 869 |
| 2005 | 373 | 843 |
| 2006 | 360 | 825 |
| 2007 | 352 | 802 |
| 2008 | 334 | 772 |
| 2009 | 320 | 766 |
| 2010 | 305 | 750 |
| 2011 | 291 | 728 |
| 2012 | 274 | 703 |
| 2013 | 260 | 682 |
| 2014 | 247 | 664 |
| 2015 | 237 | 642 |
| 2016 | 225 | 606 |
| 2017 | 219 | 582 |
| 2018 | 209 | 560 |
| 2019 | 202 | 548 |
| 2020 | 198 | 528 |
| 2021 | 215 | 533 |
| 2022 | 186 | 500 |
| 2023 | 179 | 494 |
Under-five mortality rates
The chance that a newborn baby will die before reaching age five is 3.98% in Comoros and 9.5% in Guinea. Below is the historical data on under-five mortality rates.
Comoros
Guinea
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 | |
|---|---|---|
|
Comoros
|
Guinea
|
|
| 1960 | - | 35% |
| 1961 | - | 34.7% |
| 1962 | - | 34.4% |
| 1963 | - | 34.2% |
| 1964 | - | 33.9% |
| 1965 | - | 33.6% |
| 1966 | - | 33.4% |
| 1967 | - | 33.1% |
| 1968 | - | 32.8% |
| 1969 | - | 32.5% |
| 1970 | 23.2% | 32.2% |
| 1971 | 22.5% | 31.9% |
| 1972 | 22% | 31.6% |
| 1973 | 21.4% | 31.3% |
| 1974 | 20.8% | 30.9% |
| 1975 | 20.3% | 30.6% |
| 1976 | 19.7% | 30.1% |
| 1977 | 19.1% | 29.7% |
| 1978 | 18.6% | 29.2% |
| 1979 | 18% | 28.7% |
| 1980 | 17.4% | 28.2% |
| 1981 | 16.8% | 27.7% |
| 1982 | 16.2% | 27.2% |
| 1983 | 15.7% | 26.7% |
| 1984 | 15.1% | 26.2% |
| 1985 | 14.6% | 25.8% |
| 1986 | 14% | 25.3% |
| 1987 | 13.5% | 24.8% |
| 1988 | 13% | 24.4% |
| 1989 | 12.6% | 23.9% |
| 1990 | 12.1% | 23.3% |
| 1991 | 11.6% | 22.7% |
| 1992 | 11.1% | 22.1% |
| 1993 | 10.7% | 21.4% |
| 1994 | 10.2% | 20.7% |
| 1995 | 9.78% | 20% |
| 1996 | 9.37% | 19.3% |
| 1997 | 9% | 18.6% |
| 1998 | 8.63% | 17.9% |
| 1999 | 8.28% | 17.2% |
| 2000 | 7.96% | 16.5% |
| 2001 | 7.65% | 15.9% |
| 2002 | 7.36% | 15.2% |
| 2003 | 7.07% | 14.6% |
| 2004 | 6.8% | 14.1% |
| 2005 | 6.55% | 13.7% |
| 2006 | 6.31% | 13.3% |
| 2007 | 6.08% | 12.9% |
| 2008 | 5.88% | 12.7% |
| 2009 | 5.69% | 12.4% |
| 2010 | 5.51% | 12.2% |
| 2011 | 5.36% | 12% |
| 2012 | 5.21% | 11.8% |
| 2013 | 5.08% | 11.7% |
| 2014 | 4.97% | 11.6% |
| 2015 | 4.87% | 11.4% |
| 2016 | 4.76% | 11.2% |
| 2017 | 4.66% | 11% |
| 2018 | 4.56% | 10.8% |
| 2019 | 4.46% | 10.6% |
| 2020 | 4.35% | 10.3% |
| 2021 | 4.24% | 10.1% |
| 2022 | 4.11% | 9.78% |
| 2023 | 3.98% | 9.5% |
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