Fertility & birth rates in Brunei and San Marino

Fertility rate in Brunei vs San Marino chart

According to the latest available data on birth rates, the fertility rate in Brunei was 1.75 children per woman in 2023, compared to 1.15 in San Marino in 2023. The replacement level is considered to be 2.1 children per woman.

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

The chart below showcases historical changes in the birth rates.

Table

Year	Fertility rate
	Brunei	San Marino
1960	7.32	2.43
1961	7.19	2.68
1962	7.03	2.43
1963	6.89	2.4
1964	6.77	2.37
1965	6.65	2.33
1966	6.51	2.33
1967	6.37	2.31
1968	6.2	2.3
1969	6.01	2.31
1970	5.8	2.32
1971	5.62	2.33
1972	5.5	2.29
1973	5.36	2.23
1974	5.18	2.13
1975	4.99	2.05
1976	4.78	1.95
1977	4.58	1.87
1978	4.39	1.77
1979	4.22	1.63
1980	4.07	1.53
1981	3.94	1.41
1982	3.84	1.3
1983	3.75	1.25
1984	3.68	1.2
1985	3.61	1.17
1986	3.55	1.15
1987	3.49	1.14
1988	3.44	1.14
1989	3.36	1.15
1990	3.29	1.16
1991	3.21	1.17
1992	3.11	1.15
1993	3.01	1.12
1994	2.9	1.14
1995	2.79	1.17
1996	2.68	1.21
1997	2.6	1.24
1998	2.53	1.26
1999	2.46	1.29
2000	2.4	1.4
2001	2.34	1.52
2002	2.26	1.43
2003	2.19	1.3
2004	2.1	1.3
2005	2.02	1.2
2006	1.97	1.24
2007	1.93	1.26
2008	1.92	1.52
2009	1.92	1.36
2010	1.94	1.46
2011	1.96	1.46
2012	1.97	1.29
2013	1.98	1.48
2014	1.97	1.26
2015	1.95	1.2
2016	1.92	1.13
2017	1.88	1.05
2018	1.85	1.08
2019	1.82	1.1
2020	1.8	1.11
2021	1.78	1.13
2022	1.76	1.14
2023	1.75	1.15
2024	1.73	1.16
2025	1.71	1.16
2026	1.7	1.17
2027	1.68	1.18
2028	1.68	1.18
2029	1.67	1.19
2030	1.66	1.2
2031	1.65	1.2
2032	1.65	1.21
2033	1.65	1.21
2034	1.64	1.22
2035	1.64	1.23
2036	1.64	1.23
2037	1.64	1.24
2038	1.64	1.24
2039	1.63	1.25
2040	1.63	1.25
2041	1.63	1.25
2042	1.63	1.26
2043	1.62	1.26
2044	1.62	1.27
2045	1.62	1.27
2046	1.62	1.28
2047	1.62	1.28
2048	1.62	1.29
2049	1.62	1.29
2050	1.61	1.29

Children 0-14 years as share of population

Table

Year	Share of people 0-14 years old
	Brunei	San Marino
1960	44.1%	25%
1961	45.2%	25%
1962	46.1%	25%
1963	46.6%	24.8%
1964	46.6%	24.5%
1965	46.5%	24.3%
1966	46%	24.5%
1967	45.4%	24.9%
1968	44.8%	25.3%
1969	44.2%	25.6%
1970	43.6%	25.9%
1971	43.3%	26%
1972	43%	25.9%
1973	42.6%	25.7%
1974	42%	25.4%
1975	41.3%	25.1%
1976	40.6%	24.7%
1977	39.9%	23.9%
1978	39.3%	23%
1979	38.9%	22.4%
1980	38.5%	21.7%
1981	38.1%	21%
1982	37.6%	20.3%
1983	36.9%	19.7%
1984	36.3%	19.1%
1985	35.7%	18.6%
1986	35.2%	18%
1987	34.9%	17.5%
1988	34.7%	17%
1989	34.6%	16.5%
1990	34.4%	16.1%
1991	34.4%	15.8%
1992	34.3%	15.4%
1993	34.1%	15.2%
1994	33.7%	15%
1995	33.3%	14.9%
1996	32.7%	14.9%
1997	32.2%	14.9%
1998	31.6%	14.9%
1999	31%	14.9%
2000	30.3%	14.9%
2001	29.6%	15%
2002	28.9%	15.1%
2003	28.1%	15.2%
2004	27.4%	15.2%
2005	26.7%	15.3%
2006	25.9%	15.3%
2007	25.5%	15.3%
2008	25.5%	15.4%
2009	25.4%	15.4%
2010	25.3%	15.4%
2011	25.2%	15.3%
2012	24.9%	15.2%
2013	24.5%	15.1%
2014	24%	15.1%
2015	23.6%	14.9%
2016	23.1%	14.7%
2017	22.7%	14.4%
2018	22.3%	14%
2019	21.9%	13.7%
2020	21.6%	13.4%
2021	21.3%	13.2%
2022	21.2%	13%
2023	21%	12.7%
2024	20.8%	12.3%
2025	20.6%	11.9%
2026	20.4%	11.4%
2027	20.1%	11.1%
2028	19.8%	10.8%
2029	19.5%	10.5%
2030	19.1%	10.3%
2031	18.8%	10.1%
2032	18.5%	10%
2033	18.2%	9.97%
2034	18%	9.92%
2035	17.7%	9.9%
2036	17.5%	9.92%
2037	17.2%	9.98%
2038	17%	10.1%
2039	16.8%	10.2%
2040	16.6%	10.4%
2041	16.4%	10.6%
2042	16.3%	10.7%
2043	16.1%	10.9%
2044	16%	11%
2045	15.9%	11.2%
2046	15.8%	11.3%
2047	15.7%	11.4%
2048	15.7%	11.5%
2049	15.6%	11.6%
2050	15.6%	11.7%

Children aged 0-14 make up 20.8% of the population in Brunei and 12.3% in San Marino in 2024, compared to 34.4% and 16.1% respectively in 1990.

Demographics of Brunei and San Marino compared.

Natural population change in Brunei vs San Marino by year

For the past 10 years, the annual natural population change (excluding migration) has been +1.01% in Brunei and -0.1% in San Marino. 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
	Brunei	San Marino
1960	3,168	139
1961	3,175	174
1962	3,128	155
1963	3,195	158
1964	3,264	163
1965	3,326	169
1966	3,403	173
1967	3,477	171
1968	3,551	171
1969	3,618	173
1970	3,694	173
1971	3,880	174
1972	4,085	173
1973	4,216	167
1974	4,334	153
1975	4,431	141
1976	4,518	126
1977	4,594	117
1978	4,668	121
1979	4,717	104
1980	4,775	90
1981	4,839	76
1982	4,931	61
1983	5,138	54
1984	5,373	46
1985	5,620	44
1986	5,826	40
1987	6,017	31
1988	6,135	34
1989	6,202	36
1990	6,265	41
1991	6,259	45
1992	6,169	42
1993	6,045	38
1994	5,907	43
1995	5,750	51
1996	5,606	63
1997	5,518	71
1998	5,466	74
1999	5,388	80
2000	5,331	107
2001	5,275	132
2002	5,169	112
2003	5,034	79
2004	4,874	121
2005	4,703	66
2006	4,590	75
2007	4,521	69
2008	4,624	159
2009	4,789	145
2010	5,003	126
2011	5,242	105
2012	5,349	54
2013	5,302	73
2014	5,206	46
2015	5,060	36
2016	4,876	10
2017	4,685	-51
2018	4,502	-11
2019	4,335	-17
2020	4,188	-122
2021	3,985	-99
2022	3,319	-58
2023	3,837	-92

Maternal mortality chart: Brunei vs San Marino

The maternal mortality rate, which is the probability of dying during childbirth or within 42 days of pregnancy termination, is 36 deaths per 100,000 live births in Brunei, compared to 8 deaths in San Marino.

Table

Year	Maternal mortality per 100K births
	Brunei	San Marino
1985	79	12
1986	78	12
1987	75	12
1988	73	12
1989	71	12
1990	68	11
1991	65	11
1992	62	11
1993	59	11
1994	58	10
1995	55	10
1996	54	10
1997	52	10
1998	51	9
1999	50	9
2000	48	14
2001	46	14
2002	46	14
2003	45	13
2004	44	13
2005	43	12
2006	42	12
2007	41	8
2008	40	8
2009	40	8
2010	40	8
2011	40	8
2012	40	8
2013	40	8
2014	40	8
2015	39	8
2016	39	7
2017	39	7
2018	39	7
2019	38	7
2020	39	46
2021	44	35
2022	88	22
2023	36	8

Under-five mortality rates

The chance that a newborn baby will die before reaching age five is 0.94% in Brunei and 0.14% in San Marino. 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
	Brunei	San Marino
1960	8.9%	-
1961	8.24%	-
1962	7.66%	-
1963	7.15%	-
1964	6.7%	-
1965	6.32%	-
1966	5.98%	-
1967	5.69%	-
1968	5.42%	-
1969	5.16%	-
1970	4.91%	-
1971	4.64%	-
1972	4.35%	-
1973	4.06%	-
1974	3.77%	-
1975	3.49%	-
1976	3.21%	-
1977	2.95%	-
1978	2.71%	-
1979	2.48%	-
1980	2.28%	-
1981	2.09%	-
1982	1.93%	-
1983	1.79%	-
1984	1.67%	-
1985	1.57%	1.99%
1986	1.48%	1.82%
1987	1.42%	1.66%
1988	1.38%	1.52%
1989	1.35%	1.39%
1990	1.33%	1.27%
1991	1.32%	1.16%
1992	1.31%	1.06%
1993	1.3%	0.97%
1994	1.27%	0.89%
1995	1.23%	0.81%
1996	1.19%	0.75%
1997	1.15%	0.69%
1998	1.1%	0.63%
1999	1.07%	0.58%
2000	1.03%	0.54%
2001	1%	0.5%
2002	0.98%	0.46%
2003	0.96%	0.42%
2004	0.95%	0.39%
2005	0.95%	0.37%
2006	0.95%	0.34%
2007	0.95%	0.32%
2008	0.96%	0.3%
2009	0.96%	0.28%
2010	0.97%	0.27%
2011	0.98%	0.25%
2012	0.99%	0.24%
2013	0.99%	0.23%
2014	1%	0.21%
2015	1%	0.2%
2016	1%	0.19%
2017	1%	0.18%
2018	0.99%	0.17%
2019	0.98%	0.17%
2020	0.97%	0.16%
2021	0.96%	0.15%
2022	0.95%	0.15%
2023	0.94%	0.14%