Fertility & birth rates in Brunei and United Kingdom

Fertility rate in Brunei vs United Kingdom 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 1.56 in the United Kingdom in 2023. The replacement level is considered to be 2.1 children per woman.

Check Brunei vs the United Kingdom 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	United Kingdom
1960	7.32	2.69
1961	7.19	2.78
1962	7.03	2.86
1963	6.89	2.88
1964	6.77	2.93
1965	6.65	2.86
1966	6.51	2.78
1967	6.37	2.68
1968	6.2	2.6
1969	6.01	2.51
1970	5.8	2.44
1971	5.62	2.41
1972	5.5	2.2
1973	5.36	2.04
1974	5.18	1.92
1975	4.99	1.81
1976	4.78	1.74
1977	4.58	1.69
1978	4.39	1.75
1979	4.22	1.86
1980	4.07	1.9
1981	3.94	1.82
1982	3.84	1.78
1983	3.75	1.77
1984	3.68	1.77
1985	3.61	1.79
1986	3.55	1.78
1987	3.49	1.81
1988	3.44	1.82
1989	3.36	1.79
1990	3.29	1.83
1991	3.21	1.82
1992	3.11	1.79
1993	3.01	1.76
1994	2.9	1.74
1995	2.79	1.71
1996	2.68	1.73
1997	2.6	1.72
1998	2.53	1.71
1999	2.46	1.68
2000	2.4	1.64
2001	2.34	1.63
2002	2.26	1.63
2003	2.19	1.7
2004	2.1	1.75
2005	2.02	1.76
2006	1.97	1.82
2007	1.93	1.86
2008	1.92	1.91
2009	1.92	1.89
2010	1.94	1.92
2011	1.96	1.91
2012	1.97	1.92
2013	1.98	1.83
2014	1.97	1.81
2015	1.95	1.8
2016	1.92	1.79
2017	1.88	1.74
2018	1.85	1.68
2019	1.82	1.63
2020	1.8	1.57
2021	1.78	1.58
2022	1.76	1.56
2023	1.75	1.56
2024	1.73	1.55
2025	1.71	1.54
2026	1.7	1.53
2027	1.68	1.53
2028	1.68	1.53
2029	1.67	1.52
2030	1.66	1.52
2031	1.65	1.52
2032	1.65	1.53
2033	1.65	1.53
2034	1.64	1.53
2035	1.64	1.53
2036	1.64	1.53
2037	1.64	1.53
2038	1.64	1.53
2039	1.63	1.53
2040	1.63	1.53
2041	1.63	1.54
2042	1.63	1.54
2043	1.62	1.54
2044	1.62	1.54
2045	1.62	1.54
2046	1.62	1.54
2047	1.62	1.54
2048	1.62	1.54
2049	1.62	1.55
2050	1.61	1.55

Children 0-14 years as share of population

Table

Year	Share of people 0-14 years old
	Brunei	United Kingdom
1960	44.1%	23.3%
1961	45.2%	23.3%
1962	46.1%	23.2%
1963	46.6%	23.2%
1964	46.6%	23.3%
1965	46.5%	23.4%
1966	46%	23.5%
1967	45.4%	23.7%
1968	44.8%	23.9%
1969	44.2%	24%
1970	43.6%	24.1%
1971	43.3%	24.1%
1972	43%	24%
1973	42.6%	23.9%
1974	42%	23.6%
1975	41.3%	23.3%
1976	40.6%	22.9%
1977	39.9%	22.4%
1978	39.3%	21.9%
1979	38.9%	21.4%
1980	38.5%	21%
1981	38.1%	20.6%
1982	37.6%	20.2%
1983	36.9%	19.8%
1984	36.3%	19.5%
1985	35.7%	19.3%
1986	35.2%	19.1%
1987	34.9%	18.9%
1988	34.7%	18.9%
1989	34.6%	19.1%
1990	34.4%	19.1%
1991	34.4%	19.3%
1992	34.3%	19.4%
1993	34.1%	19.5%
1994	33.7%	19.6%
1995	33.3%	19.5%
1996	32.7%	19.4%
1997	32.2%	19.3%
1998	31.6%	19.3%
1999	31%	19.2%
2000	30.3%	18.9%
2001	29.6%	18.7%
2002	28.9%	18.5%
2003	28.1%	18.4%
2004	27.4%	18.3%
2005	26.7%	18.2%
2006	25.9%	18%
2007	25.5%	17.9%
2008	25.5%	17.8%
2009	25.4%	17.8%
2010	25.3%	17.8%
2011	25.2%	17.7%
2012	24.9%	17.8%
2013	24.5%	17.8%
2014	24%	17.8%
2015	23.6%	17.9%
2016	23.1%	18%
2017	22.7%	18%
2018	22.3%	18.1%
2019	21.9%	18%
2020	21.6%	18%
2021	21.3%	17.8%
2022	21.2%	17.6%
2023	21%	17.4%
2024	20.8%	17.2%
2025	20.6%	17%
2026	20.4%	16.7%
2027	20.1%	16.5%
2028	19.8%	16.2%
2029	19.5%	16%
2030	19.1%	15.7%
2031	18.8%	15.5%
2032	18.5%	15.3%
2033	18.2%	15.2%
2034	18%	15.1%
2035	17.7%	15%
2036	17.5%	14.9%
2037	17.2%	14.9%
2038	17%	14.8%
2039	16.8%	14.8%
2040	16.6%	14.8%
2041	16.4%	14.8%
2042	16.3%	14.8%
2043	16.1%	14.9%
2044	16%	14.9%
2045	15.9%	14.9%
2046	15.8%	15%
2047	15.7%	15%
2048	15.7%	15%
2049	15.6%	15%
2050	15.6%	15.1%

Children aged 0-14 make up 20.8% of the population in Brunei and 17.2% in the United Kingdom in 2024, compared to 34.4% and 19.1% respectively in 1990.

Demographics of Brunei and the United Kingdom compared.

Natural population change in Brunei vs United Kingdom by year

For the past 10 years, the annual natural population change (excluding migration) has been +1.01% in Brunei and +0.16% in the United Kingdom. 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	United Kingdom
1960	3,168	314,400
1961	3,175	311,519
1962	3,128	340,800
1963	3,195	337,995
1964	3,264	405,000
1965	3,326	364,132
1966	3,403	333,356
1967	3,477	346,145
1968	3,551	292,622
1969	3,618	260,577
1970	3,694	244,918
1971	3,880	257,123
1972	4,085	162,650
1973	4,216	112,389
1974	4,334	67,476
1975	4,431	33,735
1976	4,518	-5,621
1977	4,594	0
1978	4,668	16,859
1979	4,717	61,872
1980	4,775	95,734
1981	4,839	73,234
1982	4,931	56,314
1983	5,138	61,966
1984	5,373	84,633
1985	5,620	79,170
1986	5,826	90,690
1987	6,017	136,325
1988	6,135	136,628
1989	6,202	119,861
1990	6,265	154,569
1991	6,259	143,562
1992	6,169	149,709
1993	6,045	103,893
1994	5,907	127,304
1995	5,750	87,028
1996	5,606	98,884
1997	5,518	99,138
1998	5,466	87,730
1999	5,388	64,551
2000	5,331	70,671
2001	5,275	65,032
2002	5,169	65,308
2003	5,034	89,471
2004	4,874	131,974
2005	4,703	144,963
2006	4,590	176,455
2007	4,521	196,232
2008	4,624	216,325
2009	4,789	230,422
2010	5,003	251,066
2011	5,242	259,361
2012	5,349	248,473
2013	5,302	198,830
2014	5,206	206,784
2015	5,060	175,738
2016	4,876	177,139
2017	4,685	145,125
2018	4,502	119,321
2019	4,335	108,342
2020	4,188	-4,272
2021	3,985	30,612
2022	3,319	39,751
2023	3,837	34,589

Maternal mortality chart: Brunei vs United Kingdom

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 the United Kingdom.

Table

Year	Maternal mortality per 100K births
	Brunei	United Kingdom
1985	79	2
1986	78	2
1987	75	3
1988	73	4
1989	71	5
1990	68	6
1991	65	7
1992	62	7
1993	59	8
1994	58	9
1995	55	9
1996	54	8
1997	52	9
1998	51	10
1999	50	11
2000	48	12
2001	46	13
2002	46	13
2003	45	14
2004	44	13
2005	43	12
2006	42	12
2007	41	11
2008	40	11
2009	40	11
2010	40	10
2011	40	10
2012	40	9
2013	40	9
2014	40	9
2015	39	9
2016	39	9
2017	39	9
2018	39	9
2019	38	9
2020	39	14
2021	44	13
2022	88	15
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 0.45% in the United Kingdom. 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	United Kingdom
1960	8.9%	2.66%
1961	8.24%	2.61%
1962	7.66%	2.56%
1963	7.15%	2.49%
1964	6.7%	2.42%
1965	6.32%	2.34%
1966	5.98%	2.28%
1967	5.69%	2.22%
1968	5.42%	2.18%
1969	5.16%	2.14%
1970	4.91%	2.1%
1971	4.64%	2.06%
1972	4.35%	2%
1973	4.06%	1.94%
1974	3.77%	1.87%
1975	3.49%	1.8%
1976	3.21%	1.72%
1977	2.95%	1.64%
1978	2.71%	1.57%
1979	2.48%	1.49%
1980	2.28%	1.41%
1981	2.09%	1.34%
1982	1.93%	1.27%
1983	1.79%	1.22%
1984	1.67%	1.17%
1985	1.57%	1.14%
1986	1.48%	1.11%
1987	1.42%	1.08%
1988	1.38%	1.04%
1989	1.35%	0.99%
1990	1.33%	0.93%
1991	1.32%	0.87%
1992	1.31%	0.82%
1993	1.3%	0.77%
1994	1.27%	0.74%
1995	1.23%	0.72%
1996	1.19%	0.7%
1997	1.15%	0.69%
1998	1.1%	0.68%
1999	1.07%	0.67%
2000	1.03%	0.65%
2001	1%	0.64%
2002	0.98%	0.63%
2003	0.96%	0.63%
2004	0.95%	0.61%
2005	0.95%	0.6%
2006	0.95%	0.59%
2007	0.95%	0.58%
2008	0.96%	0.56%
2009	0.96%	0.54%
2010	0.97%	0.52%
2011	0.98%	0.5%
2012	0.99%	0.48%
2013	0.99%	0.46%
2014	1%	0.45%
2015	1%	0.45%
2016	1%	0.44%
2017	1%	0.44%
2018	0.99%	0.44%
2019	0.98%	0.44%
2020	0.97%	0.44%
2021	0.96%	0.44%
2022	0.95%	0.45%
2023	0.94%	0.45%