Fertility & birth rates in Kiribati and South Sudan

Fertility rate in Kiribati vs South Sudan 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 3.86 in South Sudan in 2023. The replacement level is considered to be 2.1 children per woman.

Check Kiribati vs South Sudan 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	South Sudan
1960	6.44	7.16
1961	6.48	7.18
1962	6.42	7.2
1963	6.35	7.2
1964	6.29	7.22
1965	6.26	7.22
1966	6.23	7.25
1967	6.11	7.26
1968	5.98	7.26
1969	5.85	7.28
1970	5.71	7.29
1971	5.55	7.3
1972	5.37	7.31
1973	5.2	7.31
1974	5.09	7.31
1975	5.02	7.33
1976	4.96	7.33
1977	4.96	7.33
1978	4.97	7.33
1979	4.97	7.32
1980	4.96	7.33
1981	4.96	7.33
1982	4.95	7.34
1983	4.91	7.34
1984	4.91	7.35
1985	4.91	7.36
1986	4.87	7.38
1987	4.81	7.39
1988	4.73	7.38
1989	4.69	7.37
1990	4.67	7.38
1991	4.64	7.38
1992	4.57	7.37
1993	4.49	7.36
1994	4.44	7.35
1995	4.42	7.34
1996	4.43	7.32
1997	4.37	7.2
1998	4.29	7.08
1999	4.18	6.94
2000	4.07	6.8
2001	3.96	6.65
2002	3.81	6.52
2003	3.7	6.35
2004	3.73	6.19
2005	3.76	6.02
2006	3.82	5.85
2007	3.87	5.7
2008	3.9	5.57
2009	3.91	5.45
2010	3.9	5.32
2011	3.88	5.19
2012	3.77	5.06
2013	3.64	4.94
2014	3.52	4.82
2015	3.44	4.7
2016	3.38	4.58
2017	3.34	4.48
2018	3.32	4.37
2019	3.29	4.26
2020	3.25	4.16
2021	3.22	4.05
2022	3.18	3.96
2023	3.15	3.86
2024	3.12	3.79
2025	3.09	3.71
2026	3.06	3.63
2027	3.03	3.56
2028	3	3.49
2029	2.97	3.43
2030	2.94	3.37
2031	2.92	3.31
2032	2.89	3.26
2033	2.86	3.2
2034	2.84	3.15
2035	2.81	3.1
2036	2.79	3.06
2037	2.77	3.01
2038	2.74	2.96
2039	2.72	2.92
2040	2.69	2.88
2041	2.67	2.84
2042	2.64	2.8
2043	2.62	2.76
2044	2.6	2.73
2045	2.58	2.69
2046	2.56	2.66
2047	2.54	2.63
2048	2.52	2.6
2049	2.5	2.58
2050	2.48	2.55

Children 0-14 years as share of population

Table

Year	Share of people 0-14 years old
	Kiribati	South Sudan
1960	43.2%	42.5%
1961	43.5%	42.6%
1962	43.8%	42.6%
1963	44%	42.8%
1964	44%	43%
1965	43.9%	43.3%
1966	44.1%	43.5%
1967	44.5%	43.8%
1968	44.9%	44%
1969	45%	44.3%
1970	44.9%	44.5%
1971	44.8%	44.7%
1972	44.8%	44.8%
1973	44.6%	45%
1974	44.2%	45.1%
1975	43.7%	45.2%
1976	43.2%	45.3%
1977	42.8%	45.4%
1978	42.3%	45.5%
1979	41.8%	45.7%
1980	41.1%	45.8%
1981	40.5%	46%
1982	39.9%	46.2%
1983	39.5%	46.3%
1984	39.2%	46.5%
1985	39.2%	46.6%
1986	39.2%	46.7%
1987	39.4%	46.9%
1988	39.7%	46.2%
1989	39.9%	45.4%
1990	40.2%	45.4%
1991	40.5%	45.5%
1992	40.8%	45.6%
1993	41%	45.7%
1994	41.2%	45.8%
1995	41.2%	45.8%
1996	41.1%	46%
1997	41%	46%
1998	40.8%	45.8%
1999	40.5%	45.6%
2000	40.1%	45.5%
2001	39.8%	45.5%
2002	39.3%	45.7%
2003	38.9%	45.9%
2004	38.4%	45.8%
2005	38%	45.3%
2006	37.6%	44.8%
2007	37.3%	44.3%
2008	37%	43.8%
2009	36.8%	43.4%
2010	36.6%	42.8%
2011	36.4%	42.2%
2012	36.1%	41.9%
2013	35.7%	41.9%
2014	35.4%	42.5%
2015	35.2%	43.1%
2016	35%	43.7%
2017	35%	45%
2018	35.1%	44.9%
2019	35.1%	43.6%
2020	35.2%	42.4%
2021	35.2%	41.6%
2022	35.1%	40.9%
2023	34.9%	39.9%
2024	34.7%	38.9%
2025	34.4%	38%
2026	34%	37.1%
2027	33.5%	36.2%
2028	33.1%	35.5%
2029	32.7%	35%
2030	32.4%	34.7%
2031	32%	34.5%
2032	31.7%	34.4%
2033	31.3%	34.3%
2034	31%	34.3%
2035	30.6%	34.2%
2036	30.3%	34.1%
2037	30%	34%
2038	29.7%	33.8%
2039	29.4%	33.7%
2040	29.2%	33.4%
2041	29%	33.2%
2042	28.8%	32.9%
2043	28.6%	32.5%
2044	28.4%	32.2%
2045	28.3%	31.8%
2046	28.1%	31.4%
2047	27.9%	31%
2048	27.8%	30.5%
2049	27.6%	30.1%
2050	27.4%	29.7%

Children aged 0-14 make up 34.7% of the population in Kiribati and 38.9% in South Sudan in 2024, compared to 40.2% and 45.4% respectively in 1990.

Demographics of Kiribati and South Sudan compared.

Natural population change in Kiribati vs South Sudan by year

For the past 10 years, the annual natural population change (excluding migration) has been +2.05% in Kiribati and +1.65% in South Sudan. 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	South Sudan
1960	1,141	42,945
1961	1,199	45,186
1962	1,233	47,406
1963	1,273	46,333
1964	1,318	64,786
1965	1,376	51,682
1966	1,437	38,523
1967	1,417	41,357
1968	1,393	44,213
1969	1,367	42,015
1970	1,388	44,776
1971	1,406	72,308
1972	1,406	74,803
1973	1,409	94,765
1974	1,430	97,181
1975	1,423	99,882
1976	1,425	102,346
1977	1,426	104,886
1978	1,480	107,352
1979	1,509	109,540
1980	1,571	112,307
1981	1,635	115,163
1982	1,697	118,641
1983	1,748	104,107
1984	1,813	90,970
1985	1,881	95,342
1986	1,933	99,502
1987	1,982	5,756
1988	2,022	-125,447
1989	2,073	83,735
1990	2,127	82,900
1991	2,176	87,873
1992	2,173	28,874
1993	2,161	32,779
1994	2,168	165,407
1995	2,183	110,417
1996	2,217	116,728
1997	2,220	121,454
1998	2,210	-12,157
1999	2,186	180,721
2000	2,153	196,055
2001	2,121	204,108
2002	2,074	212,014
2003	2,045	225,822
2004	2,118	231,877
2005	2,188	239,272
2006	2,285	246,706
2007	2,393	256,546
2008	2,493	268,268
2009	2,573	278,859
2010	2,644	287,409
2011	2,709	303,181
2012	2,678	312,974
2013	2,629	315,983
2014	2,577	227,611
2015	2,555	148,542
2016	2,546	110,553
2017	2,549	72,193
2018	2,561	168,497
2019	2,560	209,708
2020	2,497	212,332
2021	2,408	213,567
2022	2,522	211,166
2023	2,487	217,966

Maternal mortality chart: Kiribati vs South Sudan

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 692 deaths in South Sudan.

Table

Year	Maternal mortality per 100K births
	Kiribati	South Sudan
1985	246	3,845
1986	232	3,720
1987	231	8,045
1988	220	5,535
1989	212	5,103
1990	199	4,877
1991	188	4,764
1992	175	7,597
1993	162	7,537
1994	150	1,666
1995	148	4,430
1996	141	4,357
1997	132	4,172
1998	126	7,514
1999	121	2,048
2000	119	1,658
2001	113	1,580
2002	109	1,521
2003	105	1,199
2004	106	1,150
2005	104	1,074
2006	102	1,005
2007	101	933
2008	100	858
2009	99	823
2010	102	776
2011	98	770
2012	98	755
2013	93	771
2014	91	1,216
2015	90	1,436
2016	88	1,629
2017	90	1,662
2018	87	913
2019	89	745
2020	89	729
2021	122	749
2022	86	704
2023	80	692

Under-five mortality rates

The chance that a newborn baby will die before reaching age five is 5.51% in Kiribati and 9.87% in South Sudan. 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	South Sudan
1960	19.9%	35.5%
1961	19.5%	35.2%
1962	18.9%	34.9%
1963	18.3%	34.6%
1964	17.7%	34.3%
1965	17.1%	34%
1966	16.4%	33.6%
1967	15.8%	33.3%
1968	15.2%	32.9%
1969	14.6%	32.6%
1970	14.1%	32.3%
1971	13.7%	31.9%
1972	13.3%	31.6%
1973	13%	31.3%
1974	12.7%	30.9%
1975	12.5%	30.6%
1976	12.4%	30.2%
1977	12.3%	29.9%
1978	12.2%	29.5%
1979	12%	29.2%
1980	11.9%	28.9%
1981	11.7%	28.5%
1982	11.6%	28.2%
1983	11.4%	27.8%
1984	11.1%	27.5%
1985	10.9%	27.1%
1986	10.6%	26.7%
1987	10.2%	36%
1988	9.87%	76.7%
1989	9.5%	30.7%
1990	9.13%	30.3%
1991	8.77%	29.7%
1992	8.44%	33.8%
1993	8.13%	33.1%
1994	7.87%	23%
1995	7.64%	27%
1996	7.42%	26.1%
1997	7.22%	25.2%
1998	7.02%	42.6%
1999	6.83%	19.2%
2000	6.64%	18.3%
2001	6.46%	17.4%
2002	6.31%	16.5%
2003	6.2%	15.7%
2004	6.13%	14.8%
2005	6.07%	14.1%
2006	6.03%	13.4%
2007	5.99%	12.7%
2008	5.93%	12.1%
2009	5.87%	11.5%
2010	5.82%	10.9%
2011	5.79%	10.5%
2012	5.78%	10.1%
2013	5.8%	9.92%
2014	5.84%	18.2%
2015	5.89%	23.7%
2016	5.95%	26.4%
2017	5.99%	27.8%
2018	5.98%	13.2%
2019	5.93%	9.87%
2020	5.86%	9.87%
2021	5.76%	9.87%
2022	5.65%	9.87%
2023	5.51%	9.87%