Fertility & birth rates in Guinea and Sao Tome and Principe

Fertility rate in Guinea vs Sao Tome and Principe chart

According to the latest available data on birth rates, the fertility rate in Guinea was 4.22 children per woman in 2023, compared to 3.64 in Sao Tome and Principe in 2023. The replacement level is considered to be 2.1 children per woman.

Check Guinea vs Sao Tome and Principe population clock for a dynamic visualization of the changing population.

The chart below showcases historical changes in the birth rates.

Table

Year	Fertility rate
	Guinea	Sao Tome
1960	6.11	6.24
1961	6.13	6.26
1962	6.14	6.28
1963	6.15	6.31
1964	6.17	6.33
1965	6.18	6.35
1966	6.19	6.37
1967	6.2	6.39
1968	6.21	6.42
1969	6.23	6.44
1970	6.24	6.47
1971	6.26	6.49
1972	6.28	6.51
1973	6.31	6.53
1974	6.34	6.53
1975	6.37	6.53
1976	6.4	6.52
1977	6.43	6.5
1978	6.44	6.47
1979	6.45	6.43
1980	6.46	6.39
1981	6.46	6.33
1982	6.49	6.28
1983	6.49	6.22
1984	6.51	6.16
1985	6.53	6.1
1986	6.55	6.05
1987	6.57	5.99
1988	6.56	5.94
1989	6.55	5.88
1990	6.52	5.83
1991	6.48	5.77
1992	6.45	5.7
1993	6.41	5.64
1994	6.36	5.56
1995	6.29	5.55
1996	6.21	5.47
1997	6.12	5.4
1998	6.05	5.3
1999	5.99	5.23
2000	5.92	5.16
2001	5.83	5.1
2002	5.78	5.06
2003	5.74	5.01
2004	5.73	4.96
2005	5.73	4.94
2006	5.7	4.93
2007	5.66	4.96
2008	5.6	4.91
2009	5.53	4.84
2010	5.44	4.77
2011	5.34	4.72
2012	5.23	4.66
2013	5.15	4.58
2014	5.07	4.49
2015	5	4.35
2016	4.92	4.2
2017	4.79	4.07
2018	4.67	3.98
2019	4.58	3.9
2020	4.49	3.83
2021	4.4	3.76
2022	4.3	3.7
2023	4.22	3.64
2024	4.13	3.6
2025	4.04	3.53
2026	3.96	3.47
2027	3.89	3.42
2028	3.81	3.36
2029	3.73	3.32
2030	3.66	3.26
2031	3.59	3.21
2032	3.52	3.17
2033	3.45	3.13
2034	3.38	3.09
2035	3.32	3.04
2036	3.27	3.01
2037	3.21	2.97
2038	3.16	2.94
2039	3.12	2.9
2040	3.07	2.87
2041	3.02	2.83
2042	2.98	2.8
2043	2.94	2.78
2044	2.9	2.75
2045	2.86	2.73
2046	2.82	2.7
2047	2.79	2.67
2048	2.75	2.64
2049	2.73	2.62
2050	2.7	2.59

Children 0-14 years as share of population

Table

Year	Share of people 0-14 years old
	Guinea	Sao Tome
1960	39.6%	32.9%
1961	39.7%	34.3%
1962	39.9%	36.6%
1963	39.9%	38.5%
1964	40%	40.2%
1965	40.1%	41.6%
1966	40.2%	42.9%
1967	40.2%	44%
1968	40.3%	44.9%
1969	40.3%	45.8%
1970	40.4%	46.2%
1971	40.5%	46.1%
1972	40.7%	45.9%
1973	40.9%	45.7%
1974	41.1%	45.6%
1975	41.3%	45.5%
1976	41.5%	45.4%
1977	41.8%	45.3%
1978	42%	45.2%
1979	42.2%	45.1%
1980	42.4%	44.9%
1981	42.6%	44.7%
1982	42.7%	44.5%
1983	42.8%	44.5%
1984	42.9%	44.4%
1985	43%	44.5%
1986	43%	44.7%
1987	43.1%	44.9%
1988	43.1%	45%
1989	43.2%	45%
1990	43.3%	45.1%
1991	43.4%	45.1%
1992	43.5%	45.2%
1993	43.6%	45.2%
1994	43.7%	45.1%
1995	43.8%	44.9%
1996	43.9%	44.7%
1997	44.2%	44.3%
1998	44.5%	43.9%
1999	44.7%	43.4%
2000	44.9%	42.8%
2001	45.3%	42.5%
2002	45.5%	42.3%
2003	45.4%	42.2%
2004	45.3%	42.1%
2005	45.3%	42%
2006	45.3%	42%
2007	45.1%	42%
2008	44.9%	42.1%
2009	44.7%	42.1%
2010	44.5%	42.1%
2011	44.2%	42%
2012	44%	42%
2013	43.8%	42%
2014	43.5%	42%
2015	43.3%	41.9%
2016	43.1%	41.7%
2017	42.9%	41.4%
2018	42.6%	40.9%
2019	42.4%	40.5%
2020	42.1%	39.9%
2021	41.9%	39.4%
2022	41.6%	38.8%
2023	41.2%	38.3%
2024	40.9%	37.8%
2025	40.5%	37.5%
2026	40.2%	37.2%
2027	39.8%	36.8%
2028	39.5%	36.4%
2029	39.1%	36%
2030	38.7%	35.6%
2031	38.3%	35.4%
2032	37.9%	35.2%
2033	37.5%	35%
2034	37%	34.8%
2035	36.6%	34.7%
2036	36.2%	34.5%
2037	35.7%	34.2%
2038	35.3%	34%
2039	34.9%	33.8%
2040	34.5%	33.5%
2041	34.1%	33.2%
2042	33.7%	32.9%
2043	33.3%	32.6%
2044	32.9%	32.3%
2045	32.5%	32%
2046	32.2%	31.6%
2047	31.8%	31.3%
2048	31.5%	31%
2049	31.2%	30.6%
2050	30.8%	30.2%

Children aged 0-14 make up 40.9% of the population in Guinea and 37.8% in Sao Tome and Principe in 2024, compared to 43.3% and 45.1% respectively in 1990.

Demographics of Guinea and Sao Tome and Principe compared.

Natural population change in Guinea vs Sao Tome and Principe by year

For the past 10 years, the annual natural population change (excluding migration) has been +2.6% in Guinea and +2.4% in Sao Tome and Principe. The chart below illustrates the comparison of the absolute yearly changes resulting from births and deaths.

Table

Year	Population change due to births and deaths
	Guinea	Sao Tome
1960	61,848	1,547
1961	63,766	1,657
1962	65,672	1,625
1963	67,690	1,609
1964	69,848	1,600
1965	72,134	1,611
1966	74,748	1,642
1967	77,251	1,693
1968	79,892	1,767
1969	82,799	1,862
1970	85,418	1,980
1971	88,358	2,127
1972	91,147	2,232
1973	93,764	2,329
1974	96,315	2,422
1975	99,267	2,515
1976	102,449	2,608
1977	105,990	2,705
1978	109,415	2,800
1979	113,141	2,893
1980	117,186	2,965
1981	121,223	3,015
1982	126,831	3,047
1983	130,629	3,100
1984	136,640	3,163
1985	142,313	3,242
1986	148,137	3,180
1987	154,178	3,440
1988	159,566	3,544
1989	164,707	3,576
1990	169,926	3,719
1991	181,299	3,801
1992	189,682	3,822
1993	195,612	3,841
1994	201,439	3,860
1995	205,644	3,948
1996	214,896	3,993
1997	220,373	4,041
1998	219,385	4,120
1999	223,968	4,221
2000	227,081	4,334
2001	227,642	4,471
2002	229,022	4,591
2003	234,774	4,702
2004	242,075	4,810
2005	251,209	4,897
2006	258,518	5,057
2007	266,070	5,226
2008	274,327	5,297
2009	281,920	5,349
2010	288,512	5,391
2011	293,318	5,445
2012	298,094	5,501
2013	304,430	5,449
2014	309,539	5,381
2015	316,604	5,269
2016	324,608	5,125
2017	328,542	5,007
2018	332,585	4,957
2019	338,984	4,932
2020	342,289	4,874
2021	345,121	4,954
2022	352,517	5,102
2023	356,147	5,221

Maternal mortality chart: Guinea vs Sao Tome and Principe

The maternal mortality rate, which is the probability of dying during childbirth or within 42 days of pregnancy termination, is 494 deaths per 100,000 live births in Guinea, compared to 75 deaths in Sao Tome and Principe.

Table

Year	Maternal mortality per 100K births
	Guinea	Sao Tome
1985	1,248	159
1986	1,234	175
1987	1,218	161
1988	1,202	157
1989	1,188	167
1990	1,162	164
1991	1,143	166
1992	1,124	164
1993	1,094	166
1994	1,081	168
1995	1,042	172
1996	1,010	171
1997	994	173
1998	971	175
1999	960	179
2000	951	180
2001	946	178
2002	916	179
2003	892	178
2004	869	177
2005	843	181
2006	825	177
2007	802	174
2008	772	174
2009	766	172
2010	750	170
2011	728	164
2012	703	158
2013	682	150
2014	664	138
2015	642	128
2016	606	119
2017	582	110
2018	560	100
2019	548	95
2020	528	92
2021	533	98
2022	500	82
2023	494	75

Under-five mortality rates

The chance that a newborn baby will die before reaching age five is 9.5% in Guinea and 1.39% in Sao Tome and Principe. Below is the historical data on under-five mortality rates.

Table

Year	Mortality rate before reaching 5 years of age, per 1,000 live births
	Guinea	Sao Tome
1960	35%	-
1961	34.7%	-
1962	34.4%	-
1963	34.2%	-
1964	33.9%	-
1965	33.6%	9.56%
1966	33.4%	9.29%
1967	33.1%	9.04%
1968	32.8%	8.85%
1969	32.5%	8.71%
1970	32.2%	8.64%
1971	31.9%	8.63%
1972	31.6%	8.67%
1973	31.3%	8.73%
1974	30.9%	8.79%
1975	30.6%	8.85%
1976	30.1%	8.89%
1977	29.7%	8.93%
1978	29.2%	8.96%
1979	28.7%	9.02%
1980	28.2%	9.1%
1981	27.7%	9.21%
1982	27.2%	9.37%
1983	26.7%	9.56%
1984	26.2%	9.77%
1985	25.8%	9.99%
1986	25.3%	11.4%
1987	24.8%	10.4%
1988	24.4%	10.6%
1989	23.9%	10.7%
1990	23.3%	10.8%
1991	22.7%	10.9%
1992	22.1%	10.9%
1993	21.4%	10.8%
1994	20.7%	10.7%
1995	20%	10.4%
1996	19.3%	10.1%
1997	18.6%	9.73%
1998	17.9%	9.26%
1999	17.2%	8.76%
2000	16.5%	8.21%
2001	15.9%	7.66%
2002	15.2%	7.1%
2003	14.6%	6.57%
2004	14.1%	6.05%
2005	13.7%	5.56%
2006	13.3%	5.11%
2007	12.9%	4.68%
2008	12.7%	4.3%
2009	12.4%	3.95%
2010	12.2%	3.63%
2011	12%	3.33%
2012	11.8%	3.04%
2013	11.7%	2.77%
2014	11.6%	2.54%
2015	11.4%	2.31%
2016	11.2%	2.11%
2017	11%	1.95%
2018	10.8%	1.81%
2019	10.6%	1.7%
2020	10.3%	1.6%
2021	10.1%	1.53%
2022	9.78%	1.46%
2023	9.5%	1.39%