Fertility & birth rates in Burundi and Sao Tome and Principe

Fertility rate in Burundi vs Sao Tome and Principe chart

According to the latest available data on birth rates, the fertility rate in Burundi was 4.88 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 Burundi 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
	Burundi	Sao Tome
1960	7	6.24
1961	7.02	6.26
1962	7.04	6.28
1963	7.07	6.31
1964	7.09	6.33
1965	7.11	6.35
1966	7.14	6.37
1967	7.16	6.39
1968	7.18	6.42
1969	7.22	6.44
1970	7.21	6.47
1971	7.21	6.49
1972	7.21	6.51
1973	7.22	6.53
1974	7.22	6.53
1975	7.24	6.53
1976	7.25	6.52
1977	7.25	6.5
1978	7.26	6.47
1979	7.31	6.43
1980	7.35	6.39
1981	7.33	6.33
1982	7.31	6.28
1983	7.3	6.22
1984	7.3	6.16
1985	7.29	6.1
1986	7.32	6.05
1987	7.38	5.99
1988	7.38	5.94
1989	7.39	5.88
1990	7.37	5.83
1991	7.34	5.77
1992	7.3	5.7
1993	7.27	5.64
1994	7.23	5.56
1995	7.18	5.55
1996	7.12	5.47
1997	7.04	5.4
1998	6.96	5.3
1999	6.9	5.23
2000	6.87	5.16
2001	6.85	5.1
2002	6.82	5.06
2003	6.79	5.01
2004	6.75	4.96
2005	6.71	4.94
2006	6.66	4.93
2007	6.59	4.96
2008	6.52	4.91
2009	6.41	4.84
2010	6.26	4.77
2011	6.11	4.72
2012	5.99	4.66
2013	5.89	4.58
2014	5.79	4.49
2015	5.7	4.35
2016	5.59	4.2
2017	5.48	4.07
2018	5.38	3.98
2019	5.27	3.9
2020	5.18	3.83
2021	5.08	3.76
2022	4.98	3.7
2023	4.88	3.64
2024	4.79	3.6
2025	4.68	3.53
2026	4.57	3.47
2027	4.46	3.42
2028	4.37	3.36
2029	4.28	3.32
2030	4.2	3.26
2031	4.11	3.21
2032	4.03	3.17
2033	3.95	3.13
2034	3.85	3.09
2035	3.78	3.04
2036	3.69	3.01
2037	3.62	2.97
2038	3.55	2.94
2039	3.49	2.9
2040	3.43	2.87
2041	3.37	2.83
2042	3.32	2.8
2043	3.27	2.78
2044	3.22	2.75
2045	3.17	2.73
2046	3.13	2.7
2047	3.08	2.67
2048	3.04	2.64
2049	3	2.62
2050	2.96	2.59

Children 0-14 years as share of population

Table

Year	Share of people 0-14 years old
	Burundi	Sao Tome
1960	45.1%	32.9%
1961	45.2%	34.3%
1962	45.3%	36.6%
1963	45.5%	38.5%
1964	45.5%	40.2%
1965	45.4%	41.6%
1966	45.2%	42.9%
1967	45%	44%
1968	44.9%	44.9%
1969	44.9%	45.8%
1970	44.9%	46.2%
1971	44.9%	46.1%
1972	45.5%	45.9%
1973	46%	45.7%
1974	45.8%	45.6%
1975	45.7%	45.5%
1976	45.8%	45.4%
1977	45.8%	45.3%
1978	45.7%	45.2%
1979	45.8%	45.1%
1980	45.4%	44.9%
1981	45.2%	44.7%
1982	45.6%	44.5%
1983	45.9%	44.5%
1984	46.3%	44.4%
1985	46.8%	44.5%
1986	47.3%	44.7%
1987	47.6%	44.9%
1988	48%	45%
1989	48.4%	45%
1990	48.7%	45.1%
1991	48.9%	45.1%
1992	48.9%	45.2%
1993	51%	45.2%
1994	51.1%	45.1%
1995	49.1%	44.9%
1996	49.6%	44.7%
1997	49.9%	44.3%
1998	49.4%	43.9%
1999	48.7%	43.4%
2000	48.3%	42.8%
2001	47.7%	42.5%
2002	47.2%	42.3%
2003	46.7%	42.2%
2004	46.2%	42.1%
2005	45.8%	42%
2006	45.6%	42%
2007	45.4%	42%
2008	45.2%	42.1%
2009	45%	42.1%
2010	45.1%	42.1%
2011	45.4%	42%
2012	45.7%	42%
2013	46.1%	42%
2014	46.4%	42%
2015	47%	41.9%
2016	47.7%	41.7%
2017	47.9%	41.4%
2018	47.8%	40.9%
2019	47.3%	40.5%
2020	47%	39.9%
2021	46.5%	39.4%
2022	46%	38.8%
2023	45.4%	38.3%
2024	44.7%	37.8%
2025	44%	37.5%
2026	43.2%	37.2%
2027	42.5%	36.8%
2028	41.7%	36.4%
2029	41%	36%
2030	40.3%	35.6%
2031	39.7%	35.4%
2032	39.2%	35.2%
2033	38.8%	35%
2034	38.5%	34.8%
2035	38.1%	34.7%
2036	37.8%	34.5%
2037	37.5%	34.2%
2038	37.2%	34%
2039	36.9%	33.8%
2040	36.6%	33.5%
2041	36.4%	33.2%
2042	36.1%	32.9%
2043	35.9%	32.6%
2044	35.6%	32.3%
2045	35.4%	32%
2046	35.1%	31.6%
2047	34.8%	31.3%
2048	34.4%	31%
2049	34.1%	30.6%
2050	33.7%	30.2%

Children aged 0-14 make up 44.7% of the population in Burundi and 37.8% in Sao Tome and Principe in 2024, compared to 48.7% and 45.1% respectively in 1990.

Demographics of Burundi and Sao Tome and Principe compared.

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

For the past 10 years, the annual natural population change (excluding migration) has been +3% in Burundi 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
	Burundi	Sao Tome
1960	70,032	1,547
1961	71,216	1,657
1962	74,710	1,625
1963	75,962	1,609
1964	77,528	1,600
1965	78,208	1,611
1966	83,651	1,642
1967	86,373	1,693
1968	88,765	1,767
1969	90,852	1,862
1970	92,476	1,980
1971	95,153	2,127
1972	30,532	2,232
1973	74,805	2,329
1974	95,486	2,422
1975	101,172	2,515
1976	104,396	2,608
1977	108,488	2,705
1978	114,884	2,800
1979	123,377	2,893
1980	127,746	2,965
1981	146,231	3,015
1982	147,090	3,047
1983	152,801	3,100
1984	154,366	3,163
1985	156,896	3,242
1986	156,170	3,180
1987	157,481	3,440
1988	145,234	3,544
1989	157,547	3,576
1990	156,617	3,719
1991	156,148	3,801
1992	156,420	3,822
1993	128,898	3,841
1994	112,968	3,860
1995	160,284	3,948
1996	158,920	3,993
1997	150,404	4,041
1998	154,010	4,120
1999	166,699	4,221
2000	173,867	4,334
2001	184,541	4,471
2002	201,892	4,591
2003	216,295	4,702
2004	234,891	4,810
2005	253,401	4,897
2006	269,874	5,057
2007	285,323	5,226
2008	300,750	5,297
2009	319,583	5,349
2010	341,808	5,391
2011	348,934	5,445
2012	354,068	5,501
2013	362,224	5,449
2014	367,797	5,381
2015	370,856	5,269
2016	358,393	5,125
2017	353,879	5,007
2018	351,704	4,957
2019	357,672	4,932
2020	361,654	4,874
2021	359,844	4,954
2022	363,786	5,102
2023	368,917	5,221

Maternal mortality chart: Burundi 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 392 deaths per 100,000 live births in Burundi, compared to 75 deaths in Sao Tome and Principe.

Table

Year	Maternal mortality per 100K births
	Burundi	Sao Tome
1985	1,428	159
1986	1,441	175
1987	1,446	161
1988	1,519	157
1989	1,511	167
1990	1,515	164
1991	1,513	166
1992	1,464	164
1993	1,801	166
1994	1,215	168
1995	1,293	172
1996	1,236	171
1997	1,100	173
1998	969	175
1999	899	179
2000	860	180
2001	799	178
2002	743	179
2003	705	178
2004	687	177
2005	685	181
2006	670	177
2007	655	174
2008	635	174
2009	612	172
2010	614	170
2011	597	164
2012	575	158
2013	555	150
2014	533	138
2015	525	128
2016	501	119
2017	482	110
2018	464	100
2019	449	95
2020	441	92
2021	447	98
2022	412	82
2023	392	75

Under-five mortality rates

The chance that a newborn baby will die before reaching age five is 4.92% in Burundi 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
	Burundi	Sao Tome
1964	24.2%	-
1965	24.4%	9.56%
1966	24.5%	9.29%
1967	24.7%	9.04%
1968	24.9%	8.85%
1969	25%	8.71%
1970	25.1%	8.64%
1971	25.1%	8.63%
1972	31.9%	8.67%
1973	25.2%	8.73%
1974	25.2%	8.79%
1975	25.1%	8.85%
1976	25%	8.89%
1977	24.6%	8.93%
1978	24.1%	8.96%
1979	23.3%	9.02%
1980	22.4%	9.1%
1981	21.4%	9.21%
1982	20.3%	9.37%
1983	19.3%	9.56%
1984	18.4%	9.77%
1985	17.7%	9.99%
1986	17.2%	11.4%
1987	16.9%	10.4%
1988	16.8%	10.6%
1989	16.9%	10.7%
1990	17%	10.8%
1991	17.1%	10.9%
1992	17.2%	10.9%
1993	19.5%	10.8%
1994	17.2%	10.7%
1995	17.1%	10.4%
1996	17%	10.1%
1997	16.7%	9.73%
1998	16.3%	9.26%
1999	15.9%	8.76%
2000	15.4%	8.21%
2001	14.9%	7.66%
2002	14.3%	7.1%
2003	13.7%	6.57%
2004	13.1%	6.05%
2005	12.4%	5.56%
2006	11.7%	5.11%
2007	11%	4.68%
2008	10.3%	4.3%
2009	9.66%	3.95%
2010	9.08%	3.63%
2011	8.53%	3.33%
2012	8.02%	3.04%
2013	7.55%	2.77%
2014	7.13%	2.54%
2015	6.76%	2.31%
2016	6.44%	2.11%
2017	6.15%	1.95%
2018	5.9%	1.81%
2019	5.67%	1.7%
2020	5.46%	1.6%
2021	5.26%	1.53%
2022	5.08%	1.46%
2023	4.92%	1.39%