Fertility & birth rates in Brunei and Indonesia

Fertility rate in Brunei vs Indonesia 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 2.13 in Indonesia in 2023. The replacement level is considered to be 2.1 children per woman.

Check Brunei vs Indonesia 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	Indonesia
1960	7.32	5.51
1961	7.19	5.52
1962	7.03	5.53
1963	6.89	5.55
1964	6.77	5.57
1965	6.65	5.59
1966	6.51	5.59
1967	6.37	5.58
1968	6.2	5.57
1969	6.01	5.55
1970	5.8	5.49
1971	5.62	5.4
1972	5.5	5.32
1973	5.36	5.25
1974	5.18	5.09
1975	4.99	5.03
1976	4.78	4.92
1977	4.58	4.81
1978	4.39	4.73
1979	4.22	4.63
1980	4.07	4.5
1981	3.94	4.36
1982	3.84	4.25
1983	3.75	4.11
1984	3.68	3.96
1985	3.61	3.73
1986	3.55	3.53
1987	3.49	3.42
1988	3.44	3.35
1989	3.36	3.25
1990	3.29	3.11
1991	3.21	3.06
1992	3.11	2.95
1993	3.01	2.9
1994	2.9	2.85
1995	2.79	2.81
1996	2.68	2.78
1997	2.6	2.74
1998	2.53	2.66
1999	2.46	2.57
2000	2.4	2.5
2001	2.34	2.47
2002	2.26	2.44
2003	2.19	2.41
2004	2.1	2.42
2005	2.02	2.45
2006	1.97	2.46
2007	1.93	2.48
2008	1.92	2.44
2009	1.92	2.44
2010	1.94	2.46
2011	1.96	2.52
2012	1.97	2.51
2013	1.98	2.44
2014	1.97	2.39
2015	1.95	2.35
2016	1.92	2.31
2017	1.88	2.25
2018	1.85	2.22
2019	1.82	2.21
2020	1.8	2.19
2021	1.78	2.17
2022	1.76	2.15
2023	1.75	2.13
2024	1.73	2.11
2025	1.71	2.1
2026	1.7	2.08
2027	1.68	2.06
2028	1.68	2.04
2029	1.67	2.03
2030	1.66	2.01
2031	1.65	2
2032	1.65	1.99
2033	1.65	1.98
2034	1.64	1.97
2035	1.64	1.95
2036	1.64	1.94
2037	1.64	1.94
2038	1.64	1.93
2039	1.63	1.92
2040	1.63	1.91
2041	1.63	1.9
2042	1.63	1.89
2043	1.62	1.89
2044	1.62	1.88
2045	1.62	1.87
2046	1.62	1.87
2047	1.62	1.86
2048	1.62	1.86
2049	1.62	1.85
2050	1.61	1.85

Children 0-14 years as share of population

Table

Year	Share of people 0-14 years old
	Brunei	Indonesia
1960	44.1%	39.8%
1961	45.2%	40%
1962	46.1%	40.3%
1963	46.6%	40.7%
1964	46.6%	41.1%
1965	46.5%	41.5%
1966	46%	41.9%
1967	45.4%	42.2%
1968	44.8%	42.5%
1969	44.2%	42.6%
1970	43.6%	42.6%
1971	43.3%	42.6%
1972	43%	42.5%
1973	42.6%	42.4%
1974	42%	42.3%
1975	41.3%	42%
1976	40.6%	41.8%
1977	39.9%	41.5%
1978	39.3%	41.2%
1979	38.9%	40.9%
1980	38.5%	40.6%
1981	38.1%	40.2%
1982	37.6%	39.8%
1983	36.9%	39.4%
1984	36.3%	39%
1985	35.7%	38.5%
1986	35.2%	38%
1987	34.9%	37.4%
1988	34.7%	36.9%
1989	34.6%	36.4%
1990	34.4%	35.9%
1991	34.4%	35.4%
1992	34.3%	34.8%
1993	34.1%	34.3%
1994	33.7%	33.7%
1995	33.3%	33.2%
1996	32.7%	32.7%
1997	32.2%	32.2%
1998	31.6%	31.7%
1999	31%	31.3%
2000	30.3%	30.8%
2001	29.6%	30.4%
2002	28.9%	30%
2003	28.1%	29.7%
2004	27.4%	29.3%
2005	26.7%	29.1%
2006	25.9%	28.8%
2007	25.5%	28.6%
2008	25.5%	28.4%
2009	25.4%	28.1%
2010	25.3%	27.9%
2011	25.2%	27.7%
2012	24.9%	27.5%
2013	24.5%	27.3%
2014	24%	27.2%
2015	23.6%	27%
2016	23.1%	26.8%
2017	22.7%	26.6%
2018	22.3%	26.3%
2019	21.9%	26.1%
2020	21.6%	25.8%
2021	21.3%	25.6%
2022	21.2%	25.3%
2023	21%	24.9%
2024	20.8%	24.6%
2025	20.6%	24.2%
2026	20.4%	23.9%
2027	20.1%	23.5%
2028	19.8%	23.1%
2029	19.5%	22.7%
2030	19.1%	22.4%
2031	18.8%	22.1%
2032	18.5%	21.9%
2033	18.2%	21.7%
2034	18%	21.5%
2035	17.7%	21.3%
2036	17.5%	21.1%
2037	17.2%	20.9%
2038	17%	20.8%
2039	16.8%	20.6%
2040	16.6%	20.5%
2041	16.4%	20.4%
2042	16.3%	20.2%
2043	16.1%	20.1%
2044	16%	20%
2045	15.9%	19.9%
2046	15.8%	19.7%
2047	15.7%	19.6%
2048	15.7%	19.5%
2049	15.6%	19.3%
2050	15.6%	19.2%

Children aged 0-14 make up 20.8% of the population in Brunei and 24.6% in Indonesia in 2024, compared to 34.4% and 35.9% respectively in 1990.

Demographics of Brunei and Indonesia compared.

Natural population change in Brunei vs Indonesia by year

For the past 10 years, the annual natural population change (excluding migration) has been +1.01% in Brunei and +0.94% in Indonesia. 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	Indonesia
1960	3,168	2,350,971
1961	3,175	2,434,113
1962	3,128	2,525,163
1963	3,195	2,609,526
1964	3,264	2,700,138
1965	3,326	2,278,891
1966	3,403	2,715,011
1967	3,477	2,909,981
1968	3,551	2,961,608
1969	3,618	3,034,825
1970	3,694	3,080,421
1971	3,880	3,111,304
1972	4,085	3,149,726
1973	4,216	3,210,643
1974	4,334	3,196,136
1975	4,431	3,263,794
1976	4,518	3,291,479
1977	4,594	3,334,779
1978	4,668	3,412,980
1979	4,717	3,460,621
1980	4,775	3,484,846
1981	4,839	3,497,244
1982	4,931	3,545,504
1983	5,138	3,558,949
1984	5,373	3,549,570
1985	5,620	3,419,412
1986	5,826	3,309,905
1987	6,017	3,304,520
1988	6,135	3,331,242
1989	6,202	3,316,792
1990	6,265	3,250,906
1991	6,259	3,288,791
1992	6,169	3,241,576
1993	6,045	3,287,348
1994	5,907	3,292,127
1995	5,750	3,304,550
1996	5,606	3,331,535
1997	5,518	3,338,243
1998	5,466	3,258,820
1999	5,388	3,137,133
2000	5,331	3,080,621
2001	5,275	3,066,275
2002	5,169	3,063,044
2003	5,034	3,037,698
2004	4,874	2,894,440
2005	4,703	3,149,551
2006	4,590	3,163,026
2007	4,521	3,211,484
2008	4,624	3,138,143
2009	4,789	3,140,944
2010	5,003	3,161,082
2011	5,242	3,266,560
2012	5,349	3,259,811
2013	5,302	3,104,258
2014	5,206	3,000,907
2015	5,060	2,899,165
2016	4,876	2,814,578
2017	4,685	2,682,556
2018	4,502	2,587,219
2019	4,335	2,548,048
2020	4,188	2,152,076
2021	3,985	1,764,332
2022	3,319	2,429,171
2023	3,837	2,364,808

Maternal mortality chart: Brunei vs Indonesia

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 140 deaths in Indonesia.

Table

Year	Maternal mortality per 100K births
	Brunei	Indonesia
1985	79	474
1986	78	455
1987	75	437
1988	73	431
1989	71	402
1990	68	392
1991	65	378
1992	62	359
1993	59	327
1994	58	333
1995	55	334
1996	54	331
1997	52	323
1998	51	317
1999	50	321
2000	48	311
2001	46	300
2002	46	283
2003	45	279
2004	44	283
2005	43	268
2006	42	264
2007	41	257
2008	40	251
2009	40	246
2010	40	242
2011	40	230
2012	40	220
2013	40	208
2014	40	198
2015	39	190
2016	39	182
2017	39	173
2018	39	168
2019	38	161
2020	39	184
2021	44	226
2022	88	148
2023	36	140

Under-five mortality rates

The chance that a newborn baby will die before reaching age five is 0.94% in Brunei and 2.06% in Indonesia. 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	Indonesia
1960	8.9%	22.4%
1961	8.24%	21.8%
1962	7.66%	21.2%
1963	7.15%	20.6%
1964	6.7%	20%
1965	6.32%	22.9%
1966	5.98%	18.9%
1967	5.69%	18.3%
1968	5.42%	17.7%
1969	5.16%	17.2%
1970	4.91%	16.6%
1971	4.64%	16.1%
1972	4.35%	15.5%
1973	4.06%	15%
1974	3.77%	14.6%
1975	3.49%	14.1%
1976	3.21%	13.7%
1977	2.95%	13.2%
1978	2.71%	12.8%
1979	2.48%	12.5%
1980	2.28%	12.1%
1981	2.09%	11.7%
1982	1.93%	11.3%
1983	1.79%	11%
1984	1.67%	10.6%
1985	1.57%	10.2%
1986	1.48%	9.88%
1987	1.42%	9.51%
1988	1.38%	9.14%
1989	1.35%	8.76%
1990	1.33%	8.39%
1991	1.32%	8.01%
1992	1.31%	7.64%
1993	1.3%	7.28%
1994	1.27%	6.94%
1995	1.23%	6.61%
1996	1.19%	6.29%
1997	1.15%	5.99%
1998	1.1%	5.71%
1999	1.07%	5.44%
2000	1.03%	5.19%
2001	1%	4.96%
2002	0.98%	4.73%
2003	0.96%	4.52%
2004	0.95%	4.91%
2005	0.95%	4.14%
2006	0.95%	3.96%
2007	0.95%	3.8%
2008	0.96%	3.64%
2009	0.96%	3.5%
2010	0.97%	3.36%
2011	0.98%	3.22%
2012	0.99%	3.1%
2013	0.99%	2.97%
2014	1%	2.86%
2015	1%	2.74%
2016	1%	2.64%
2017	1%	2.54%
2018	0.99%	2.45%
2019	0.98%	2.36%
2020	0.97%	2.28%
2021	0.96%	2.2%
2022	0.95%	2.13%
2023	0.94%	2.06%