Fertility & birth rates in Sao Tome and Principe and Sri Lanka

Fertility rate in Sao Tome and Principe vs Sri Lanka by year

Chart Table

Sao Tome and Principe

Sri Lanka

1x

Year	Fertility rate
	Sao Tome	Sri Lanka
2023	3.64	1.97
2022	3.7	1.98
2021	3.76	2
2020	3.83	2.01
2019	3.9	2.02
2018	3.98	2.03
2017	4.07	2.04
2016	4.2	2.06
2015	4.35	2.09
2014	4.49	2.13
2013	4.58	2.18
2012	4.66	2.17
2011	4.72	2.14
2010	4.77	2.13
2009	4.84	2.18
2008	4.91	2.23
2007	4.96	2.3
2006	4.93	2.29
2005	4.94	2.26
2004	4.96	2.27
2003	5.01	2.3
2002	5.06	2.31
2001	5.1	2.28
2000	5.16	2.21
1999	5.23	2.14
1998	5.3	2.14
1997	5.4	2.22
1996	5.47	2.29
1995	5.55	2.35
1994	5.56	2.4
1993	5.64	2.44
1992	5.7	2.49
1991	5.77	2.51
1990	5.83	2.54
1989	5.88	2.58
1988	5.94	2.57
1987	5.99	2.64
1986	6.05	2.74
1985	6.1	2.9
1984	6.16	3.01
1983	6.22	3.11
1982	6.28	3.32
1981	6.33	3.65
1980	6.39	3.73
1979	6.43	3.82
1978	6.47	3.81
1977	6.5	3.74
1976	6.52	3.78
1975	6.53	3.82
1974	6.53	3.86
1973	6.53	4
1972	6.51	4.16
1971	6.49	4.27
1970	6.47	4.39
1969	6.44	4.5
1968	6.42	4.66
1967	6.39	4.79
1966	6.37	4.83
1965	6.35	4.93
1964	6.33	5.06
1963	6.31	5.12
1962	6.28	5.18
1961	6.26	5.24
1960	6.24	5.35

According to the latest available data on birth rates, the fertility rate in Sao Tome and Principe was 3.64 children per woman in 2023, compared to 1.97 in Sri Lanka in 2023. The replacement level is considered to be 2.1 children per woman.

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

Natural population change by year

Chart Table

Sao Tome and Principe

Sri Lanka

1x

Year	Natural population change
	Sao Tome	Sri Lanka
2023	5,221	66,111
2022	5,102	95,378
2021	4,954	121,858
2020	4,874	170,968
2019	4,932	172,243
2018	4,957	183,610
2017	5,007	187,993
2016	5,125	194,232
2015	5,269	201,815
2014	5,381	211,541
2013	5,449	221,021
2012	5,501	229,138
2011	5,445	224,461
2010	5,391	224,325
2009	5,349	200,175
2008	5,297	232,225
2007	5,226	248,287
2006	5,057	248,706
2005	4,897	248,683
2004	4,810	212,527
2003	4,702	252,008
2002	4,591	252,840
2001	4,471	244,377
2000	4,334	227,060
1999	4,221	206,876
1998	4,120	201,059
1997	4,041	208,193
1996	3,993	215,290
1995	3,948	221,957
1994	3,860	228,904
1993	3,841	226,257
1992	3,822	222,230
1991	3,801	218,117
1990	3,719	224,454
1989	3,576	212,401
1988	3,544	219,184
1987	3,440	226,414
1986	3,180	233,782
1985	3,242	247,836
1984	3,163	263,175
1983	3,100	277,768
1982	3,047	300,030
1981	3,015	328,096
1980	2,965	328,155
1979	2,893	329,791
1978	2,800	317,055
1977	2,705	300,038
1976	2,608	291,816
1975	2,515	282,496
1974	2,422	275,521
1973	2,329	278,577
1972	2,232	282,494
1971	2,127	281,200
1970	1,980	286,719
1969	1,862	286,218
1968	1,767	286,642
1967	1,693	284,738
1966	1,642	275,549
1965	1,611	272,422
1964	1,600	269,584
1963	1,609	262,880
1962	1,625	256,719
1961	1,657	251,087
1960	1,547	247,631

The chart above illustrates the comparison of the absolute yearly changes in population resulting from births and deaths.

Excluding migration, the natural population change due to births and deaths from 2022 to 2023 was +2.26% in Sao Tome and Principe and +0.3% in Sri Lanka.

For the past 10 years, the annual natural population change has been +2.4% in Sao Tome and Principe and +0.75% in Sri Lanka.

Birth rate in Sao Tome and Principe vs Sri Lanka by year

Chart Table

Sao Tome and Principe

Sri Lanka

Annual births per 1,000 people

1x

Year	Annual births per 1,000 people
	Sao Tome	Sri Lanka
2023	28.2	11.2
2022	28.3	12.4
2021	28.5	12.9
2020	28.6	13.8
2019	29.2	14.6
2018	29.8	15.2
2017	30.6	15.4
2016	31.7	15.7
2015	33	16
2014	34.3	16.5
2013	35.4	17
2012	36.4	17.1
2011	36.8	17.1
2010	37.3	17.1
2009	37.9	17.6
2008	38.5	18.2
2007	38.9	18.8
2006	38.9	18.9
2005	39	18.7
2004	39.2	18.8
2003	39.6	19.1
2002	39.8	19.2
2001	40	19
2000	39.7	18.4
1999	39.4	17.9
1998	39.2	17.8
1997	39.2	18.5
1996	39.3	19
1995	39.5	19.6
1994	39.4	20
1993	39.8	20
1992	40.2	20.1
1991	40.7	20.2
1990	40.7	20.5
1989	40.9	20.6
1988	40.9	20.3
1987	41	20.8
1986	41	21.4
1985	41	22.4
1984	41.1	23.5
1983	41.2	24.4
1982	41.3	26
1981	41.5	28.1
1980	41.6	28.6
1979	41.6	29.3
1978	41.4	29
1977	41.3	28.3
1976	41.1	28.3
1975	40.9	28.2
1974	40.6	28.2
1973	40.3	28.9
1972	39.9	29.7
1971	39.5	30.2
1970	38.8	31.2
1969	38.2	31.8
1968	37.8	32.6
1967	37.7	33.2
1966	38	33.2
1965	38.6	33.8
1964	39.7	34.5
1963	41.1	34.7
1962	42.7	35.1
1961	44.6	35.6
1960	44.6	36.3

The latest reported birth rate per 1,000 people in 2023 was 28.2 in Sao Tome and Principe and 11.2 in Sri Lanka, compared with 44.6 and 36.3, respectively, in 1960.

Children 0-14 years as share of population

Chart Table

Sao Tome and Principe

Factual

UN forecast

Sri Lanka

Factual

UN forecast

1x

Year	Young
	Sao Tome	Sri Lanka
2100	19.5%	13.1%
2099	19.6%	13.1%
2098	19.8%	13.2%
2097	19.9%	13.2%
2096	20%	13.2%
2095	20.2%	13.3%
2094	20.3%	13.3%
2093	20.4%	13.4%
2092	20.6%	13.4%
2091	20.7%	13.5%
2090	20.9%	13.6%
2089	21.1%	13.7%
2088	21.2%	13.7%
2087	21.4%	13.8%
2086	21.6%	13.9%
2085	21.8%	14%
2084	22%	14%
2083	22.2%	14.1%
2082	22.4%	14.2%
2081	22.6%	14.3%
2080	22.9%	14.3%
2079	23.1%	14.4%
2078	23.3%	14.5%
2077	23.5%	14.5%
2076	23.7%	14.6%
2075	24%	14.6%
2074	24.2%	14.7%
2073	24.4%	14.7%
2072	24.6%	14.8%
2071	24.8%	14.9%
2070	25%	14.9%
2069	25.2%	15%
2068	25.4%	15%
2067	25.6%	15.1%
2066	25.9%	15.2%
2065	26.1%	15.3%
2064	26.3%	15.4%
2063	26.5%	15.5%
2062	26.8%	15.6%
2061	27%	15.7%
2060	27.3%	15.8%
2059	27.5%	16%
2058	27.8%	16.1%
2057	28.1%	16.3%
2056	28.4%	16.4%
2055	28.7%	16.6%
2054	29%	16.8%
2053	29.4%	16.9%
2052	29.7%	17.1%
2051	30.1%	17.2%
2050	30.4%	17.4%
2049	30.8%	17.5%
2048	31.1%	17.7%
2047	31.5%	17.8%
2046	31.8%	17.9%
2045	32.1%	18%
2044	32.5%	18.2%
2043	32.8%	18.3%
2042	33.1%	18.4%
2041	33.4%	18.5%
2040	33.6%	18.6%
2039	33.9%	18.7%
2038	34.1%	18.9%
2037	34.4%	19%
2036	34.6%	19.1%
2035	34.7%	19.3%
2034	34.9%	19.5%
2033	35.1%	19.7%
2032	35.3%	19.9%
2031	35.5%	20.1%
2030	35.8%	20.3%
2029	36.1%	20.6%
2028	36.6%	20.9%
2027	37%	21.2%
2026	37.3%	21.5%
2025	37.6%	21.9%
2024	37.8%	22%
2023	38.3%	22.4%
2022	38.8%	22.7%
2021	39.4%	23%
2020	39.9%	23.3%
2019	40.5%	23.7%
2018	40.9%	24%
2017	41.4%	24.2%
2016	41.7%	24.5%
2015	41.9%	24.7%
2014	42%	24.9%
2013	42%	25%
2012	42%	25.2%
2011	42%	25.3%
2010	42.1%	25.4%
2009	42.1%	25.5%
2008	42.1%	25.6%
2007	42%	25.7%
2006	42%	25.7%
2005	42%	25.8%
2004	42.1%	26%
2003	42.2%	26.1%
2002	42.3%	26.3%
2001	42.5%	26.6%
2000	42.8%	27%
1999	43.4%	27.4%
1998	43.9%	27.8%
1997	44.3%	28.2%
1996	44.7%	28.6%
1995	44.9%	29.2%
1994	45.1%	29.9%
1993	45.2%	30.6%
1992	45.2%	31.4%
1991	45.1%	32.1%
1990	45.1%	32.5%
1989	45%	33%
1988	45%	33.5%
1987	44.9%	34%
1986	44.7%	34.6%
1985	44.5%	35.2%
1984	44.4%	35.5%
1983	44.5%	35.8%
1982	44.5%	36%
1981	44.7%	36.2%
1980	44.9%	36.4%
1979	45.1%	36.7%
1978	45.2%	36.9%
1977	45.3%	37.2%
1976	45.4%	37.6%
1975	45.5%	38%
1974	45.6%	38.4%
1973	45.7%	38.8%
1972	45.9%	39.2%
1971	46.1%	39.5%
1970	46.2%	39.7%
1969	45.8%	39.9%
1968	44.9%	40.1%
1967	44%	40.3%
1966	42.9%	40.4%
1965	41.6%	40.5%
1964	40.2%	40.6%
1963	38.5%	40.7%
1962	36.6%	40.8%
1961	34.3%	40.9%
1960	32.9%	41%

Children aged 0-14 make up 37.8% of the population in Sao Tome and Principe and 22% in Sri Lanka in 2024, compared to 45.1% and 32.5% respectively in 1990.

Demographics of Sao Tome and Principe and Sri Lanka compared.

Maternal mortality chart: Sao Tome and Principe vs Sri Lanka

Chart Table

Sao Tome and Principe

Sri Lanka

1x

Year	Maternal mortality per 100K births
	Sao Tome	Sri Lanka
2023	75	18
2022	82	22
2021	98	34
2020	92	23
2019	95	20
2018	100	21
2017	110	21
2016	119	22
2015	128	22
2014	138	23
2013	150	23
2012	158	24
2011	164	25
2010	170	26
2009	172	28
2008	174	30
2007	174	31
2006	177	32
2005	181	32
2004	177	37
2003	178	35
2002	179	36
2001	178	37
2000	180	39
1999	179	41
1998	175	43
1997	173	45
1996	171	47
1995	172	48
1994	168	49
1993	166	51
1992	164	54
1991	166	57
1990	164	59
1989	167	61
1988	157	62
1987	161	64
1986	175	66
1985	159	68

The maternal mortality rate, which is the probability of dying during childbirth or within 42 days of pregnancy termination, is 75 deaths per 100,000 live births in Sao Tome and Principe, compared to 18 deaths in Sri Lanka.

Under-five mortality rates

Chart Table

Sao Tome and Principe

Sri Lanka

Probability that a newborn baby will die before reaching age five

1x

Year	Under 5 mortality rate
	Sao Tome	Sri Lanka
2023	1.39%	0.61%
2022	1.46%	0.64%
2021	1.53%	0.66%
2020	1.6%	0.69%
2019	1.7%	0.72%
2018	1.81%	0.76%
2017	1.95%	0.79%
2016	2.11%	0.83%
2015	2.31%	0.87%
2014	2.54%	0.92%
2013	2.77%	0.98%
2012	3.04%	1.03%
2011	3.33%	1.08%
2010	3.63%	1.12%
2009	3.95%	2.08%
2008	4.3%	1.2%
2007	4.68%	1.26%
2006	5.11%	1.33%
2005	5.56%	1.4%
2004	6.05%	2.88%
2003	6.57%	1.52%
2002	7.1%	1.55%
2001	7.66%	1.58%
2000	8.21%	1.63%
1999	8.76%	1.69%
1998	9.26%	1.76%
1997	9.73%	1.86%
1996	10.1%	1.95%
1995	10.4%	2.05%
1994	10.7%	2.14%
1993	10.8%	2.22%
1992	10.9%	2.29%
1991	10.9%	2.32%
1990	10.8%	2.33%
1989	10.7%	2.74%
1988	10.6%	2.41%
1987	10.4%	2.54%
1986	11.4%	2.74%
1985	9.99%	3.02%
1984	9.77%	3.35%
1983	9.56%	3.67%
1982	9.37%	3.98%
1981	9.21%	4.29%
1980	9.1%	4.63%
1979	9.02%	4.99%
1978	8.96%	5.38%
1977	8.93%	5.77%
1976	8.89%	6.12%
1975	8.85%	6.41%
1974	8.79%	6.62%
1973	8.73%	6.77%
1972	8.67%	6.86%
1971	8.63%	6.94%
1970	8.64%	7.02%
1969	8.71%	7.14%
1968	8.85%	7.32%
1967	9.04%	7.55%
1966	9.29%	7.81%
1965	9.56%	8.07%
1964	-	8.3%
1963	-	8.48%
1962	-	8.66%
1961	-	8.95%
1960	-	9.41%

The chance that a newborn baby will die before reaching age five is 1.39% in Sao Tome and Principe and 0.61% in Sri Lanka. Above is a chart with historical data on under-five mortality rates.