Fertility & birth rates in Kiribati and United Kingdom

Fertility rate in Kiribati vs United Kingdom chart

According to the latest available data on birth rates, the fertility rate in Kiribati was 3.15 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 Kiribati 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
	Kiribati	United Kingdom
1960	6.44	2.69
1961	6.48	2.78
1962	6.42	2.86
1963	6.35	2.88
1964	6.29	2.93
1965	6.26	2.86
1966	6.23	2.78
1967	6.11	2.68
1968	5.98	2.6
1969	5.85	2.51
1970	5.71	2.44
1971	5.55	2.41
1972	5.37	2.2
1973	5.2	2.04
1974	5.09	1.92
1975	5.02	1.81
1976	4.96	1.74
1977	4.96	1.69
1978	4.97	1.75
1979	4.97	1.86
1980	4.96	1.9
1981	4.96	1.82
1982	4.95	1.78
1983	4.91	1.77
1984	4.91	1.77
1985	4.91	1.79
1986	4.87	1.78
1987	4.81	1.81
1988	4.73	1.82
1989	4.69	1.79
1990	4.67	1.83
1991	4.64	1.82
1992	4.57	1.79
1993	4.49	1.76
1994	4.44	1.74
1995	4.42	1.71
1996	4.43	1.73
1997	4.37	1.72
1998	4.29	1.71
1999	4.18	1.68
2000	4.07	1.64
2001	3.96	1.63
2002	3.81	1.63
2003	3.7	1.7
2004	3.73	1.75
2005	3.76	1.76
2006	3.82	1.82
2007	3.87	1.86
2008	3.9	1.91
2009	3.91	1.89
2010	3.9	1.92
2011	3.88	1.91
2012	3.77	1.92
2013	3.64	1.83
2014	3.52	1.81
2015	3.44	1.8
2016	3.38	1.79
2017	3.34	1.74
2018	3.32	1.68
2019	3.29	1.63
2020	3.25	1.57
2021	3.22	1.58
2022	3.18	1.56
2023	3.15	1.56
2024	3.12	1.55
2025	3.09	1.54
2026	3.06	1.53
2027	3.03	1.53
2028	3	1.53
2029	2.97	1.52
2030	2.94	1.52
2031	2.92	1.52
2032	2.89	1.53
2033	2.86	1.53
2034	2.84	1.53
2035	2.81	1.53
2036	2.79	1.53
2037	2.77	1.53
2038	2.74	1.53
2039	2.72	1.53
2040	2.69	1.53
2041	2.67	1.54
2042	2.64	1.54
2043	2.62	1.54
2044	2.6	1.54
2045	2.58	1.54
2046	2.56	1.54
2047	2.54	1.54
2048	2.52	1.54
2049	2.5	1.55
2050	2.48	1.55

Children 0-14 years as share of population

Table

Year	Share of people 0-14 years old
	Kiribati	United Kingdom
1960	43.2%	23.3%
1961	43.5%	23.3%
1962	43.8%	23.2%
1963	44%	23.2%
1964	44%	23.3%
1965	43.9%	23.4%
1966	44.1%	23.5%
1967	44.5%	23.7%
1968	44.9%	23.9%
1969	45%	24%
1970	44.9%	24.1%
1971	44.8%	24.1%
1972	44.8%	24%
1973	44.6%	23.9%
1974	44.2%	23.6%
1975	43.7%	23.3%
1976	43.2%	22.9%
1977	42.8%	22.4%
1978	42.3%	21.9%
1979	41.8%	21.4%
1980	41.1%	21%
1981	40.5%	20.6%
1982	39.9%	20.2%
1983	39.5%	19.8%
1984	39.2%	19.5%
1985	39.2%	19.3%
1986	39.2%	19.1%
1987	39.4%	18.9%
1988	39.7%	18.9%
1989	39.9%	19.1%
1990	40.2%	19.1%
1991	40.5%	19.3%
1992	40.8%	19.4%
1993	41%	19.5%
1994	41.2%	19.6%
1995	41.2%	19.5%
1996	41.1%	19.4%
1997	41%	19.3%
1998	40.8%	19.3%
1999	40.5%	19.2%
2000	40.1%	18.9%
2001	39.8%	18.7%
2002	39.3%	18.5%
2003	38.9%	18.4%
2004	38.4%	18.3%
2005	38%	18.2%
2006	37.6%	18%
2007	37.3%	17.9%
2008	37%	17.8%
2009	36.8%	17.8%
2010	36.6%	17.8%
2011	36.4%	17.7%
2012	36.1%	17.8%
2013	35.7%	17.8%
2014	35.4%	17.8%
2015	35.2%	17.9%
2016	35%	18%
2017	35%	18%
2018	35.1%	18.1%
2019	35.1%	18%
2020	35.2%	18%
2021	35.2%	17.8%
2022	35.1%	17.6%
2023	34.9%	17.4%
2024	34.7%	17.2%
2025	34.4%	17%
2026	34%	16.7%
2027	33.5%	16.5%
2028	33.1%	16.2%
2029	32.7%	16%
2030	32.4%	15.7%
2031	32%	15.5%
2032	31.7%	15.3%
2033	31.3%	15.2%
2034	31%	15.1%
2035	30.6%	15%
2036	30.3%	14.9%
2037	30%	14.9%
2038	29.7%	14.8%
2039	29.4%	14.8%
2040	29.2%	14.8%
2041	29%	14.8%
2042	28.8%	14.8%
2043	28.6%	14.9%
2044	28.4%	14.9%
2045	28.3%	14.9%
2046	28.1%	15%
2047	27.9%	15%
2048	27.8%	15%
2049	27.6%	15%
2050	27.4%	15.1%

Children aged 0-14 make up 34.7% of the population in Kiribati and 17.2% in the United Kingdom in 2024, compared to 40.2% and 19.1% respectively in 1990.

Demographics of Kiribati and the United Kingdom compared.

Natural population change in Kiribati vs United Kingdom by year

For the past 10 years, the annual natural population change (excluding migration) has been +2.05% in Kiribati 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
	Kiribati	United Kingdom
1960	1,141	314,400
1961	1,199	311,519
1962	1,233	340,800
1963	1,273	337,995
1964	1,318	405,000
1965	1,376	364,132
1966	1,437	333,356
1967	1,417	346,145
1968	1,393	292,622
1969	1,367	260,577
1970	1,388	244,918
1971	1,406	257,123
1972	1,406	162,650
1973	1,409	112,389
1974	1,430	67,476
1975	1,423	33,735
1976	1,425	-5,621
1977	1,426	0
1978	1,480	16,859
1979	1,509	61,872
1980	1,571	95,734
1981	1,635	73,234
1982	1,697	56,314
1983	1,748	61,966
1984	1,813	84,633
1985	1,881	79,170
1986	1,933	90,690
1987	1,982	136,325
1988	2,022	136,628
1989	2,073	119,861
1990	2,127	154,569
1991	2,176	143,562
1992	2,173	149,709
1993	2,161	103,893
1994	2,168	127,304
1995	2,183	87,028
1996	2,217	98,884
1997	2,220	99,138
1998	2,210	87,730
1999	2,186	64,551
2000	2,153	70,671
2001	2,121	65,032
2002	2,074	65,308
2003	2,045	89,471
2004	2,118	131,974
2005	2,188	144,963
2006	2,285	176,455
2007	2,393	196,232
2008	2,493	216,325
2009	2,573	230,422
2010	2,644	251,066
2011	2,709	259,361
2012	2,678	248,473
2013	2,629	198,830
2014	2,577	206,784
2015	2,555	175,738
2016	2,546	177,139
2017	2,549	145,125
2018	2,561	119,321
2019	2,560	108,342
2020	2,497	-4,272
2021	2,408	30,612
2022	2,522	39,751
2023	2,487	34,589

Maternal mortality chart: Kiribati vs United Kingdom

The maternal mortality rate, which is the probability of dying during childbirth or within 42 days of pregnancy termination, is 80 deaths per 100,000 live births in Kiribati, compared to 8 deaths in the United Kingdom.

Table

Year	Maternal mortality per 100K births
	Kiribati	United Kingdom
1985	246	2
1986	232	2
1987	231	3
1988	220	4
1989	212	5
1990	199	6
1991	188	7
1992	175	7
1993	162	8
1994	150	9
1995	148	9
1996	141	8
1997	132	9
1998	126	10
1999	121	11
2000	119	12
2001	113	13
2002	109	13
2003	105	14
2004	106	13
2005	104	12
2006	102	12
2007	101	11
2008	100	11
2009	99	11
2010	102	10
2011	98	10
2012	98	9
2013	93	9
2014	91	9
2015	90	9
2016	88	9
2017	90	9
2018	87	9
2019	89	9
2020	89	14
2021	122	13
2022	86	15
2023	80	8

Under-five mortality rates

The chance that a newborn baby will die before reaching age five is 5.51% in Kiribati 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
	Kiribati	United Kingdom
1960	19.9%	2.66%
1961	19.5%	2.61%
1962	18.9%	2.56%
1963	18.3%	2.49%
1964	17.7%	2.42%
1965	17.1%	2.34%
1966	16.4%	2.28%
1967	15.8%	2.22%
1968	15.2%	2.18%
1969	14.6%	2.14%
1970	14.1%	2.1%
1971	13.7%	2.06%
1972	13.3%	2%
1973	13%	1.94%
1974	12.7%	1.87%
1975	12.5%	1.8%
1976	12.4%	1.72%
1977	12.3%	1.64%
1978	12.2%	1.57%
1979	12%	1.49%
1980	11.9%	1.41%
1981	11.7%	1.34%
1982	11.6%	1.27%
1983	11.4%	1.22%
1984	11.1%	1.17%
1985	10.9%	1.14%
1986	10.6%	1.11%
1987	10.2%	1.08%
1988	9.87%	1.04%
1989	9.5%	0.99%
1990	9.13%	0.93%
1991	8.77%	0.87%
1992	8.44%	0.82%
1993	8.13%	0.77%
1994	7.87%	0.74%
1995	7.64%	0.72%
1996	7.42%	0.7%
1997	7.22%	0.69%
1998	7.02%	0.68%
1999	6.83%	0.67%
2000	6.64%	0.65%
2001	6.46%	0.64%
2002	6.31%	0.63%
2003	6.2%	0.63%
2004	6.13%	0.61%
2005	6.07%	0.6%
2006	6.03%	0.59%
2007	5.99%	0.58%
2008	5.93%	0.56%
2009	5.87%	0.54%
2010	5.82%	0.52%
2011	5.79%	0.5%
2012	5.78%	0.48%
2013	5.8%	0.46%
2014	5.84%	0.45%
2015	5.89%	0.45%
2016	5.95%	0.44%
2017	5.99%	0.44%
2018	5.98%	0.44%
2019	5.93%	0.44%
2020	5.86%	0.44%
2021	5.76%	0.44%
2022	5.65%	0.45%
2023	5.51%	0.45%