Fertility & birth rates in San Marino and Sao Tome and Principe

Fertility rate in San Marino vs Sao Tome and Principe by year

Chart Table

San Marino

Sao Tome and Principe

1x

Year	Fertility rate
	San Marino	Sao Tome
2023	1.15	3.64
2022	1.14	3.7
2021	1.13	3.76
2020	1.11	3.83
2019	1.1	3.9
2018	1.08	3.98
2017	1.05	4.07
2016	1.13	4.2
2015	1.2	4.35
2014	1.26	4.49
2013	1.48	4.58
2012	1.29	4.66
2011	1.46	4.72
2010	1.46	4.77
2009	1.36	4.84
2008	1.52	4.91
2007	1.26	4.96
2006	1.24	4.93
2005	1.2	4.94
2004	1.3	4.96
2003	1.3	5.01
2002	1.43	5.06
2001	1.52	5.1
2000	1.4	5.16
1999	1.29	5.23
1998	1.26	5.3
1997	1.24	5.4
1996	1.21	5.47
1995	1.17	5.55
1994	1.14	5.56
1993	1.12	5.64
1992	1.15	5.7
1991	1.17	5.77
1990	1.16	5.83
1989	1.15	5.88
1988	1.14	5.94
1987	1.14	5.99
1986	1.15	6.05
1985	1.17	6.1
1984	1.2	6.16
1983	1.25	6.22
1982	1.3	6.28
1981	1.41	6.33
1980	1.53	6.39
1979	1.63	6.43
1978	1.77	6.47
1977	1.87	6.5
1976	1.95	6.52
1975	2.05	6.53
1974	2.13	6.53
1973	2.23	6.53
1972	2.29	6.51
1971	2.33	6.49
1970	2.32	6.47
1969	2.31	6.44
1968	2.3	6.42
1967	2.31	6.39
1966	2.33	6.37
1965	2.33	6.35
1964	2.37	6.33
1963	2.4	6.31
1962	2.43	6.28
1961	2.68	6.26
1960	2.43	6.24

According to the latest available data on birth rates, the fertility rate in San Marino was 1.15 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 San Marino vs Sao Tome and Principe population clock for a dynamic visualization of the changing population.

Natural population change by year

Chart Table

San Marino

Sao Tome and Principe

1x

Year	Natural population change
	San Marino	Sao Tome
2023	-92	5,221
2022	-58	5,102
2021	-99	4,954
2020	-122	4,874
2019	-17	4,932
2018	-11	4,957
2017	-51	5,007
2016	10	5,125
2015	36	5,269
2014	46	5,381
2013	73	5,449
2012	54	5,501
2011	105	5,445
2010	126	5,391
2009	145	5,349
2008	159	5,297
2007	69	5,226
2006	75	5,057
2005	66	4,897
2004	121	4,810
2003	79	4,702
2002	112	4,591
2001	132	4,471
2000	107	4,334
1999	80	4,221
1998	74	4,120
1997	71	4,041
1996	63	3,993
1995	51	3,948
1994	43	3,860
1993	38	3,841
1992	42	3,822
1991	45	3,801
1990	41	3,719
1989	36	3,576
1988	34	3,544
1987	31	3,440
1986	40	3,180
1985	44	3,242
1984	46	3,163
1983	54	3,100
1982	61	3,047
1981	76	3,015
1980	90	2,965
1979	104	2,893
1978	121	2,800
1977	117	2,705
1976	126	2,608
1975	141	2,515
1974	153	2,422
1973	167	2,329
1972	173	2,232
1971	174	2,127
1970	173	1,980
1969	173	1,862
1968	171	1,767
1967	171	1,693
1966	173	1,642
1965	169	1,611
1964	163	1,600
1963	158	1,609
1962	155	1,625
1961	174	1,657
1960	139	1,547

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 -0.27% in San Marino and +2.26% in Sao Tome and Principe.

For the past 10 years, the annual natural population change has been -0.1% in San Marino and +2.4% in Sao Tome and Principe.

Birth rate in San Marino vs Sao Tome and Principe by year

Chart Table

San Marino

Sao Tome and Principe

Annual births per 1,000 people

1x

Year	Annual births per 1,000 people
	San Marino	Sao Tome
2023	5.6	28.2
2022	6.1	28.3
2021	6.2	28.5
2020	6.4	28.6
2019	6.7	29.2
2018	6.8	29.8
2017	6.7	30.6
2016	7.9	31.7
2015	8.2	33
2014	9.1	34.3
2013	9.7	35.4
2012	8.7	36.4
2011	10	36.8
2010	10.3	37.3
2009	10.7	37.9
2008	11	38.5
2007	9.4	38.9
2006	10	38.9
2005	9.5	39
2004	10.4	39.2
2003	10.7	39.6
2002	11.9	39.8
2001	12.8	40
2000	12	39.7
1999	11.1	39.4
1998	11	39.2
1997	11	39.2
1996	10.8	39.3
1995	10.4	39.5
1994	10.2	39.4
1993	10	39.8
1992	10.2	40.2
1991	10.3	40.7
1990	10.1	40.7
1989	9.88	40.9
1988	9.73	40.9
1987	9.6	41
1986	9.48	41
1985	9.52	41
1984	9.63	41.1
1983	9.87	41.2
1982	10.2	41.3
1981	10.8	41.5
1980	11.5	41.6
1979	12.2	41.6
1978	13.1	41.4
1977	13	41.3
1976	14	41.1
1975	14.8	40.9
1974	15.4	40.6
1973	16.2	40.3
1972	16.5	39.9
1971	16.7	39.5
1970	17	38.8
1969	17.1	38.2
1968	17.1	37.8
1967	17.2	37.7
1966	17.5	38
1965	17.4	38.6
1964	17.4	39.7
1963	17.5	41.1
1962	17.7	42.7
1961	19.4	44.6
1960	17.5	44.6

The latest reported birth rate per 1,000 people in 2023 was 5.6 in San Marino and 28.2 in Sao Tome and Principe, compared with 17.5 and 44.6, respectively, in 1960.

Children 0-14 years as share of population

Chart Table

San Marino

Factual

UN forecast

Sao Tome and Principe

Factual

UN forecast

1x

Year	Young
	San Marino	Sao Tome
2100	11.9%	19.5%
2099	11.9%	19.6%
2098	11.9%	19.8%
2097	12%	19.9%
2096	12%	20%
2095	12%	20.2%
2094	12.1%	20.3%
2093	12.1%	20.4%
2092	12.2%	20.6%
2091	12.2%	20.7%
2090	12.3%	20.9%
2089	12.3%	21.1%
2088	12.3%	21.2%
2087	12.4%	21.4%
2086	12.4%	21.6%
2085	12.4%	21.8%
2084	12.4%	22%
2083	12.4%	22.2%
2082	12.4%	22.4%
2081	12.3%	22.6%
2080	12.3%	22.9%
2079	12.2%	23.1%
2078	12.2%	23.3%
2077	12.1%	23.5%
2076	12%	23.7%
2075	11.9%	24%
2074	11.8%	24.2%
2073	11.7%	24.4%
2072	11.6%	24.6%
2071	11.5%	24.8%
2070	11.5%	25%
2069	11.4%	25.2%
2068	11.4%	25.4%
2067	11.3%	25.6%
2066	11.3%	25.9%
2065	11.3%	26.1%
2064	11.3%	26.3%
2063	11.3%	26.5%
2062	11.4%	26.8%
2061	11.4%	27%
2060	11.5%	27.3%
2059	11.5%	27.5%
2058	11.6%	27.8%
2057	11.6%	28.1%
2056	11.7%	28.4%
2055	11.7%	28.7%
2054	11.7%	29%
2053	11.8%	29.4%
2052	11.7%	29.7%
2051	11.7%	30.1%
2050	11.7%	30.4%
2049	11.6%	30.8%
2048	11.5%	31.1%
2047	11.4%	31.5%
2046	11.2%	31.8%
2045	11.1%	32.1%
2044	11%	32.5%
2043	10.8%	32.8%
2042	10.6%	33.1%
2041	10.5%	33.4%
2040	10.3%	33.6%
2039	10.2%	33.9%
2038	10%	34.1%
2037	9.93%	34.4%
2036	9.9%	34.6%
2035	9.89%	34.7%
2034	9.93%	34.9%
2033	9.99%	35.1%
2032	10%	35.3%
2031	10.2%	35.5%
2030	10.4%	35.8%
2029	10.6%	36.1%
2028	11%	36.6%
2027	11.2%	37%
2026	11.6%	37.3%
2025	12.1%	37.6%
2024	12.3%	37.8%
2023	12.7%	38.3%
2022	13%	38.8%
2021	13.2%	39.4%
2020	13.4%	39.9%
2019	13.7%	40.5%
2018	14%	40.9%
2017	14.4%	41.4%
2016	14.7%	41.7%
2015	14.9%	41.9%
2014	15.1%	42%
2013	15.1%	42%
2012	15.2%	42%
2011	15.3%	42%
2010	15.4%	42.1%
2009	15.4%	42.1%
2008	15.4%	42.1%
2007	15.3%	42%
2006	15.3%	42%
2005	15.3%	42%
2004	15.2%	42.1%
2003	15.2%	42.2%
2002	15.1%	42.3%
2001	15%	42.5%
2000	14.9%	42.8%
1999	14.9%	43.4%
1998	14.9%	43.9%
1997	14.9%	44.3%
1996	14.9%	44.7%
1995	14.9%	44.9%
1994	15%	45.1%
1993	15.2%	45.2%
1992	15.4%	45.2%
1991	15.8%	45.1%
1990	16.1%	45.1%
1989	16.5%	45%
1988	17%	45%
1987	17.5%	44.9%
1986	18%	44.7%
1985	18.6%	44.5%
1984	19.1%	44.4%
1983	19.7%	44.5%
1982	20.3%	44.5%
1981	21%	44.7%
1980	21.7%	44.9%
1979	22.4%	45.1%
1978	23%	45.2%
1977	23.9%	45.3%
1976	24.7%	45.4%
1975	25.1%	45.5%
1974	25.4%	45.6%
1973	25.7%	45.7%
1972	25.9%	45.9%
1971	26%	46.1%
1970	25.9%	46.2%
1969	25.6%	45.8%
1968	25.3%	44.9%
1967	24.9%	44%
1966	24.5%	42.9%
1965	24.3%	41.6%
1964	24.5%	40.2%
1963	24.8%	38.5%
1962	25%	36.6%
1961	25%	34.3%
1960	25%	32.9%

Children aged 0-14 make up 12.3% of the population in San Marino and 37.8% in Sao Tome and Principe in 2024, compared to 16.1% and 45.1% respectively in 1990.

Demographics of San Marino and Sao Tome and Principe compared.

Maternal mortality chart: San Marino vs Sao Tome and Principe

Chart Table

San Marino

Sao Tome and Principe

1x

Year	Maternal mortality per 100K births
	San Marino	Sao Tome
2023	8	75
2022	22	82
2021	35	98
2020	46	92
2019	7	95
2018	7	100
2017	7	110
2016	7	119
2015	8	128
2014	8	138
2013	8	150
2012	8	158
2011	8	164
2010	8	170
2009	8	172
2008	8	174
2007	8	174
2006	12	177
2005	12	181
2004	13	177
2003	13	178
2002	14	179
2001	14	178
2000	14	180
1999	9	179
1998	9	175
1997	10	173
1996	10	171
1995	10	172
1994	10	168
1993	11	166
1992	11	164
1991	11	166
1990	11	164
1989	12	167
1988	12	157
1987	12	161
1986	12	175
1985	12	159

The maternal mortality rate, which is the probability of dying during childbirth or within 42 days of pregnancy termination, is 8 deaths per 100,000 live births in San Marino, compared to 75 deaths in Sao Tome and Principe.

Under-five mortality rates

Chart Table

San Marino

Sao Tome and Principe

Probability that a newborn baby will die before reaching age five

1x

Year	Under 5 mortality rate
	San Marino	Sao Tome
2023	0.14%	1.39%
2022	0.15%	1.46%
2021	0.15%	1.53%
2020	0.16%	1.6%
2019	0.17%	1.7%
2018	0.17%	1.81%
2017	0.18%	1.95%
2016	0.19%	2.11%
2015	0.2%	2.31%
2014	0.21%	2.54%
2013	0.23%	2.77%
2012	0.24%	3.04%
2011	0.25%	3.33%
2010	0.27%	3.63%
2009	0.28%	3.95%
2008	0.3%	4.3%
2007	0.32%	4.68%
2006	0.34%	5.11%
2005	0.37%	5.56%
2004	0.39%	6.05%
2003	0.42%	6.57%
2002	0.46%	7.1%
2001	0.5%	7.66%
2000	0.54%	8.21%
1999	0.58%	8.76%
1998	0.63%	9.26%
1997	0.69%	9.73%
1996	0.75%	10.1%
1995	0.81%	10.4%
1994	0.89%	10.7%
1993	0.97%	10.8%
1992	1.06%	10.9%
1991	1.16%	10.9%
1990	1.27%	10.8%
1989	1.39%	10.7%
1988	1.52%	10.6%
1987	1.66%	10.4%
1986	1.82%	11.4%
1985	1.99%	9.99%
1984	-	9.77%
1983	-	9.56%
1982	-	9.37%
1981	-	9.21%
1980	-	9.1%
1979	-	9.02%
1978	-	8.96%
1977	-	8.93%
1976	-	8.89%
1975	-	8.85%
1974	-	8.79%
1973	-	8.73%
1972	-	8.67%
1971	-	8.63%
1970	-	8.64%
1969	-	8.71%
1968	-	8.85%
1967	-	9.04%
1966	-	9.29%
1965	-	9.56%

The chance that a newborn baby will die before reaching age five is 0.14% in San Marino and 1.39% in Sao Tome and Principe. Above is a chart with historical data on under-five mortality rates.