Fertility & birth rates in San Marino and Sierra Leone

Fertility rate in San Marino vs Sierra Leone by year

Chart Table

San Marino

Sierra Leone

1x

Year	Fertility rate
	San Marino	Sierra Leone
2023	1.15	3.79
2022	1.14	3.88
2021	1.13	3.98
2020	1.11	4.08
2019	1.1	4.19
2018	1.08	4.29
2017	1.05	4.39
2016	1.13	4.47
2015	1.2	4.55
2014	1.26	4.7
2013	1.48	4.87
2012	1.29	5.06
2011	1.46	5.21
2010	1.46	5.33
2009	1.36	5.45
2008	1.52	5.56
2007	1.26	5.64
2006	1.24	5.74
2005	1.2	5.81
2004	1.3	5.92
2003	1.3	6.09
2002	1.43	6.23
2001	1.52	6.31
2000	1.4	6.36
1999	1.29	6.42
1998	1.26	6.5
1997	1.24	6.53
1996	1.21	6.55
1995	1.17	6.56
1994	1.14	6.56
1993	1.12	6.57
1992	1.15	6.56
1991	1.17	6.55
1990	1.16	6.57
1989	1.15	6.57
1988	1.14	6.59
1987	1.14	6.61
1986	1.15	6.6
1985	1.17	6.59
1984	1.2	6.59
1983	1.25	6.57
1982	1.3	6.56
1981	1.41	6.55
1980	1.53	6.56
1979	1.63	6.58
1978	1.77	6.59
1977	1.87	6.57
1976	1.95	6.55
1975	2.05	6.55
1974	2.13	6.53
1973	2.23	6.47
1972	2.29	6.45
1971	2.33	6.43
1970	2.32	6.41
1969	2.31	6.39
1968	2.3	6.39
1967	2.31	6.38
1966	2.33	6.35
1965	2.33	6.31
1964	2.37	6.29
1963	2.4	6.26
1962	2.43	6.22
1961	2.68	6.21
1960	2.43	6.18

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 3.79 in Sierra Leone in 2023. The replacement level is considered to be 2.1 children per woman.

Check San Marino vs Sierra Leone population clock for a dynamic visualization of the changing population.

Natural population change by year

Chart Table

San Marino

Sierra Leone

1x

Year	Natural population change
	San Marino	Sierra Leone
2023	-92	188,788
2022	-58	186,625
2021	-99	183,326
2020	-122	181,015
2019	-17	181,068
2018	-11	178,772
2017	-51	173,259
2016	10	168,784
2015	36	162,275
2014	46	160,137
2013	73	161,265
2012	54	160,915
2011	105	158,858
2010	126	155,338
2009	145	152,669
2008	159	149,855
2007	69	145,740
2006	75	144,127
2005	66	137,234
2004	121	132,661
2003	79	130,312
2002	112	126,429
2001	132	116,647
2000	107	110,754
1999	80	102,295
1998	74	103,906
1997	71	105,433
1996	63	104,140
1995	51	100,885
1994	43	101,486
1993	38	103,317
1992	42	103,251
1991	45	105,477
1990	41	100,778
1989	36	98,298
1988	34	96,344
1987	31	94,235
1986	40	90,902
1985	44	88,869
1984	46	87,072
1983	54	84,628
1982	61	82,457
1981	76	80,111
1980	90	77,932
1979	104	75,992
1978	121	74,130
1977	117	71,663
1976	126	69,506
1975	141	67,560
1974	153	65,357
1973	167	62,443
1972	173	60,279
1971	174	58,484
1970	173	56,513
1969	173	54,768
1968	171	53,126
1967	171	51,734
1966	173	49,486
1965	169	47,223
1964	163	45,487
1963	158	43,569
1962	155	41,603
1961	174	40,022
1960	139	38,192

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 +2.23% in Sierra Leone.

For the past 10 years, the annual natural population change has been -0.1% in San Marino and +2.31% in Sierra Leone.

Birth rate in San Marino vs Sierra Leone by year

Chart Table

San Marino

Sierra Leone

Annual births per 1,000 people

1x

Year	Annual births per 1,000 people
	San Marino	Sierra Leone
2023	5.6	30.6
2022	6.1	31.1
2021	6.2	31.6
2020	6.4	32.2
2019	6.7	32.8
2018	6.8	33.3
2017	6.7	33.8
2016	7.9	34.2
2015	8.2	34.7
2014	9.1	35.6
2013	9.7	36.6
2012	8.7	37.8
2011	10	38.5
2010	10.3	39.1
2009	10.7	39.9
2008	11	40.6
2007	9.4	41.1
2006	10	41.8
2005	9.5	42
2004	10.4	42.5
2003	10.7	43.5
2002	11.9	44.3
2001	12.8	44
2000	12	45
1999	11.1	46.1
1998	11	46.3
1997	11	46.3
1996	10.8	46.5
1995	10.4	46.8
1994	10.2	46.8
1993	10	46.9
1992	10.2	47
1991	10.3	47.5
1990	10.1	45.5
1989	9.88	46.3
1988	9.73	46.4
1987	9.6	46.6
1986	9.48	46.6
1985	9.52	46.7
1984	9.63	46.8
1983	9.87	46.7
1982	10.2	46.8
1981	10.8	46.8
1980	11.5	46.8
1979	12.2	47
1978	13.1	47.2
1977	13	47.1
1976	14	47.2
1975	14.8	47.3
1974	15.4	47.4
1973	16.2	47.2
1972	16.5	47.2
1971	16.7	47.3
1970	17	47.4
1969	17.1	47.5
1968	17.1	47.7
1967	17.2	47.9
1966	17.5	48
1965	17.4	48
1964	17.4	48.2
1963	17.5	48.2
1962	17.7	48.1
1961	19.4	48.1
1960	17.5	48

The latest reported birth rate per 1,000 people in 2023 was 5.6 in San Marino and 30.6 in Sierra Leone, compared with 17.5 and 48, respectively, in 1960.

Children 0-14 years as share of population

Chart Table

San Marino

Factual

UN forecast

Sierra Leone

Factual

UN forecast

1x

Year	Young
	San Marino	Sierra Leone
2100	11.9%	19%
2099	11.9%	19%
2098	11.9%	19.1%
2097	12%	19.2%
2096	12%	19.3%
2095	12%	19.5%
2094	12.1%	19.6%
2093	12.1%	19.7%
2092	12.2%	19.8%
2091	12.2%	19.9%
2090	12.3%	20%
2089	12.3%	20.1%
2088	12.3%	20.3%
2087	12.4%	20.4%
2086	12.4%	20.5%
2085	12.4%	20.7%
2084	12.4%	20.8%
2083	12.4%	20.9%
2082	12.4%	21.1%
2081	12.3%	21.2%
2080	12.3%	21.4%
2079	12.2%	21.6%
2078	12.2%	21.7%
2077	12.1%	21.9%
2076	12%	22.1%
2075	11.9%	22.2%
2074	11.8%	22.4%
2073	11.7%	22.6%
2072	11.6%	22.8%
2071	11.5%	23%
2070	11.5%	23.2%
2069	11.4%	23.4%
2068	11.4%	23.6%
2067	11.3%	23.8%
2066	11.3%	24%
2065	11.3%	24.3%
2064	11.3%	24.5%
2063	11.3%	24.7%
2062	11.4%	25%
2061	11.4%	25.2%
2060	11.5%	25.5%
2059	11.5%	25.7%
2058	11.6%	26%
2057	11.6%	26.3%
2056	11.7%	26.6%
2055	11.7%	26.9%
2054	11.7%	27.1%
2053	11.8%	27.4%
2052	11.7%	27.7%
2051	11.7%	28.1%
2050	11.7%	28.4%
2049	11.6%	28.7%
2048	11.5%	29%
2047	11.4%	29.3%
2046	11.2%	29.7%
2045	11.1%	30%
2044	11%	30.3%
2043	10.8%	30.7%
2042	10.6%	31.1%
2041	10.5%	31.4%
2040	10.3%	31.8%
2039	10.2%	32.2%
2038	10%	32.6%
2037	9.93%	33%
2036	9.9%	33.4%
2035	9.89%	33.8%
2034	9.93%	34.2%
2033	9.99%	34.6%
2032	10%	35%
2031	10.2%	35.4%
2030	10.4%	35.7%
2029	10.6%	36.1%
2028	11%	36.5%
2027	11.2%	37%
2026	11.6%	37.4%
2025	12.1%	37.9%
2024	12.3%	38.1%
2023	12.7%	38.5%
2022	13%	39%
2021	13.2%	39.4%
2020	13.4%	39.8%
2019	13.7%	40.2%
2018	14%	40.6%
2017	14.4%	41%
2016	14.7%	41.4%
2015	14.9%	41.8%
2014	15.1%	42.2%
2013	15.1%	42.5%
2012	15.2%	42.8%
2011	15.3%	43%
2010	15.4%	43.2%
2009	15.4%	43.4%
2008	15.4%	43.5%
2007	15.3%	43.6%
2006	15.3%	43.7%
2005	15.3%	43.8%
2004	15.2%	43.9%
2003	15.2%	43.9%
2002	15.1%	43.9%
2001	15%	43.9%
2000	14.9%	43.8%
1999	14.9%	43.7%
1998	14.9%	43.6%
1997	14.9%	43.5%
1996	14.9%	43.5%
1995	14.9%	43.4%
1994	15%	43.3%
1993	15.2%	43.2%
1992	15.4%	43.1%
1991	15.8%	43%
1990	16.1%	42.9%
1989	16.5%	42.9%
1988	17%	42.8%
1987	17.5%	42.7%
1986	18%	42.6%
1985	18.6%	42.5%
1984	19.1%	42.3%
1983	19.7%	42.2%
1982	20.3%	42.1%
1981	21%	42%
1980	21.7%	41.9%
1979	22.4%	41.8%
1978	23%	41.7%
1977	23.9%	41.6%
1976	24.7%	41.4%
1975	25.1%	41.3%
1974	25.4%	41.1%
1973	25.7%	40.9%
1972	25.9%	40.7%
1971	26%	40.6%
1970	25.9%	40.3%
1969	25.6%	40.1%
1968	25.3%	39.9%
1967	24.9%	39.6%
1966	24.5%	39.4%
1965	24.3%	39.1%
1964	24.5%	38.8%
1963	24.8%	38.5%
1962	25%	38.3%
1961	25%	38.3%
1960	25%	38.2%

Children aged 0-14 make up 12.3% of the population in San Marino and 38.1% in Sierra Leone in 2024, compared to 16.1% and 42.9% respectively in 1990.

Demographics of San Marino and Sierra Leone compared.

Maternal mortality chart: San Marino vs Sierra Leone

Chart Table

San Marino

Sierra Leone

1x

Year	Maternal mortality per 100K births
	San Marino	Sierra Leone
2023	8	354
2022	22	370
2021	35	403
2020	46	422
2019	7	464
2018	7	491
2017	7	578
2016	7	633
2015	8	730
2014	8	821
2013	8	842
2012	8	915
2011	8	967
2010	8	1,018
2009	8	1,054
2008	8	1,093
2007	8	1,132
2006	12	1,168
2005	12	1,294
2004	13	1,366
2003	13	1,433
2002	14	1,492
2001	14	1,518
2000	14	1,603
1999	9	1,731
1998	9	1,753
1997	10	1,721
1996	10	1,726
1995	10	1,777
1994	10	1,755
1993	11	1,696
1992	11	1,681
1991	11	1,699
1990	11	1,572
1989	12	1,575
1988	12	1,549
1987	12	1,533
1986	12	1,530
1985	12	1,506

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 354 deaths in Sierra Leone.

Under-five mortality rates

Chart Table

San Marino

Sierra Leone

Probability that a newborn baby will die before reaching age five

1x

Year	Under 5 mortality rate
	San Marino	Sierra Leone
2023	0.14%	9.43%
2022	0.15%	9.77%
2021	0.15%	10.1%
2020	0.16%	10.5%
2019	0.17%	10.9%
2018	0.17%	11.3%
2017	0.18%	11.8%
2016	0.19%	12.3%
2015	0.2%	13.8%
2014	0.21%	13.7%
2013	0.23%	13.9%
2012	0.24%	14.5%
2011	0.25%	15.2%
2010	0.27%	15.9%
2009	0.28%	16.6%
2008	0.3%	17.3%
2007	0.32%	18.1%
2006	0.34%	18.8%
2005	0.37%	19.4%
2004	0.39%	20.1%
2003	0.42%	20.7%
2002	0.46%	21.3%
2001	0.5%	21.8%
2000	0.54%	22.4%
1999	0.58%	22.9%
1998	0.63%	23.4%
1997	0.69%	23.9%
1996	0.75%	24.3%
1995	0.81%	24.7%
1994	0.89%	25%
1993	0.97%	25.3%
1992	1.06%	25.5%
1991	1.16%	25.7%
1990	1.27%	25.9%
1989	1.39%	26.2%
1988	1.52%	26.4%
1987	1.66%	26.6%
1986	1.82%	26.9%
1985	1.99%	27.2%
1984	-	27.5%
1983	-	27.8%
1982	-	28.1%
1981	-	28.5%
1980	-	28.9%
1979	-	29.2%
1978	-	29.6%
1977	-	30%
1976	-	30.5%
1975	-	30.9%
1974	-	31.4%
1973	-	31.9%
1972	-	32.3%
1971	-	32.9%
1970	-	33.4%
1969	-	33.9%
1968	-	34.5%
1967	-	35%
1966	-	35.6%
1965	-	36.2%
1964	-	36.8%
1963	-	37.4%
1962	-	38%
1961	-	38.5%
1960	-	39.1%

The chance that a newborn baby will die before reaching age five is 0.14% in San Marino and 9.43% in Sierra Leone. Above is a chart with historical data on under-five mortality rates.