Fertility & birth rates in Kiribati and Nigeria

Fertility rate in Kiribati vs Nigeria by year

Chart Table

Kiribati

Nigeria

1x

Year	Fertility rate
	Kiribati	Nigeria
2023	3.15	4.48
2022	3.18	4.55
2021	3.22	4.64
2020	3.25	4.7
2019	3.29	4.86
2018	3.32	5.02
2017	3.34	5.18
2016	3.38	5.34
2015	3.44	5.5
2014	3.52	5.62
2013	3.64	5.69
2012	3.77	5.8
2011	3.88	5.89
2010	3.9	5.95
2009	3.91	5.99
2008	3.9	6.02
2007	3.87	6.03
2006	3.82	6.05
2005	3.76	6.06
2004	3.73	6.09
2003	3.7	6.1
2002	3.81	6.12
2001	3.96	6.13
2000	4.07	6.12
1999	4.18	6.08
1998	4.29	6.07
1997	4.37	6.14
1996	4.43	6.22
1995	4.42	6.27
1994	4.44	6.32
1993	4.49	6.35
1992	4.57	6.39
1991	4.64	6.43
1990	4.67	6.46
1989	4.69	6.49
1988	4.73	6.5
1987	4.81	6.5
1986	4.87	6.56
1985	4.91	6.62
1984	4.91	6.7
1983	4.91	6.78
1982	4.95	6.8
1981	4.96	6.82
1980	4.96	6.85
1979	4.97	6.89
1978	4.97	6.92
1977	4.96	6.86
1976	4.96	6.81
1975	5.02	6.77
1974	5.09	6.7
1973	5.2	6.63
1972	5.37	6.58
1971	5.55	6.53
1970	5.71	6.47
1969	5.85	6.44
1968	5.98	6.42
1967	6.11	6.4
1966	6.23	6.39
1965	6.26	6.37
1964	6.29	6.36
1963	6.35	6.35
1962	6.42	6.36
1961	6.48	6.35
1960	6.44	6.36

According to the latest available data on birth rates, the fertility rate in Kiribati was 3.15 children per woman in 2023, compared to 4.48 in Nigeria in 2023. The replacement level is considered to be 2.1 children per woman.

Check Kiribati vs Nigeria population clock for a dynamic visualization of the changing population.

Natural population change by year

Chart Table

Kiribati

Nigeria

1x

Year	Natural population change
	Kiribati	Nigeria
2023	2,487	4,834,309
2022	2,522	4,739,502
2021	2,408	4,641,562
2020	2,497	4,525,164
2019	2,560	4,609,941
2018	2,561	4,659,898
2017	2,549	4,706,183
2016	2,546	4,761,594
2015	2,555	4,823,045
2014	2,577	4,862,319
2013	2,629	4,811,751
2012	2,678	4,774,508
2011	2,709	4,728,363
2010	2,644	4,629,173
2009	2,573	4,528,149
2008	2,493	4,412,976
2007	2,393	4,265,428
2006	2,285	4,135,703
2005	2,188	4,013,788
2004	2,118	3,877,376
2003	2,045	3,751,120
2002	2,074	3,606,814
2001	2,121	3,478,370
2000	2,153	3,343,196
1999	2,186	3,155,425
1998	2,210	3,003,946
1997	2,220	2,936,500
1996	2,217	2,882,205
1995	2,183	2,830,771
1994	2,168	2,735,198
1993	2,161	2,673,675
1992	2,173	2,596,173
1991	2,176	2,527,807
1990	2,127	2,491,928
1989	2,073	2,452,324
1988	2,022	2,376,419
1987	1,982	2,322,397
1986	1,933	2,295,003
1985	1,881	2,289,784
1984	1,813	2,278,060
1983	1,748	2,292,089
1982	1,697	2,233,401
1981	1,635	2,179,884
1980	1,571	2,121,618
1979	1,509	2,074,807
1978	1,480	2,019,621
1977	1,426	1,923,917
1976	1,425	1,827,289
1975	1,423	1,718,623
1974	1,430	1,624,813
1973	1,409	1,525,485
1972	1,406	1,448,928
1971	1,406	1,373,896
1970	1,388	1,295,507
1969	1,367	1,213,484
1968	1,393	1,168,254
1967	1,417	1,082,884
1966	1,437	1,095,582
1965	1,376	1,061,840
1964	1,318	1,028,272
1963	1,273	995,116
1962	1,233	966,452
1961	1,199	932,111
1960	1,141	901,301

The chart above illustrates the comparison of the absolute yearly changes in population resulting from births and deaths.

Excluding migration, the natural population change due to births and deaths from 2022 to 2023 was +1.88% in Kiribati and +2.12% in Nigeria.

For the past 10 years, the annual natural population change has been +2.05% in Kiribati and +2.29% in Nigeria.

Birth rate in Kiribati vs Nigeria by year

Chart Table

Kiribati

Nigeria

Annual births per 1,000 people

1x

Year	Annual births per 1,000 people
	Kiribati	Nigeria
2023	25.8	33
2022	26.4	33.2
2021	26.9	33.5
2020	27.4	33.7
2019	27.8	34.7
2018	28.1	35.7
2017	28.3	36.7
2016	28.5	37.8
2015	28.9	39
2014	29.3	39.9
2013	30	40.4
2012	30.8	41.1
2011	31.4	41.8
2010	31.2	42.1
2009	31.1	42.5
2008	30.8	42.8
2007	30.3	42.9
2006	29.7	43.2
2005	29.2	43.4
2004	28.9	43.5
2003	28.6	43.7
2002	29.4	43.8
2001	30.5	43.9
2000	31.5	43.9
1999	32.5	43.4
1998	33.4	43.2
1997	34.1	43.5
1996	34.8	43.9
1995	35	44.1
1994	35.4	44
1993	35.9	44.1
1992	36.8	44.2
1991	37.6	44.3
1990	37.7	44.5
1989	37.9	44.8
1988	38.2	44.7
1987	38.6	44.8
1986	38.8	45.3
1985	38.9	45.9
1984	38.6	46.5
1983	38.1	47.5
1982	37.9	47.5
1981	37.4	47.9
1980	36.8	48.3
1979	36.2	48.8
1978	36.2	49.3
1977	35.7	49.1
1976	35.4	49
1975	35.4	49
1974	35.7	48.7
1973	35.7	48.2
1972	36.5	48
1971	37.4	47.8
1970	38.1	47.4
1969	38.7	47.3
1968	40.1	47.2
1967	41.2	47.1
1966	42.2	47
1965	42	46.9
1964	42.2	46.9
1963	42.6	46.8
1962	43.1	46.7
1961	43.6	46.6
1960	43.5	46.5

The latest reported birth rate per 1,000 people in 2023 was 25.8 in Kiribati and 33 in Nigeria, compared with 43.5 and 46.5, respectively, in 1960.

Children 0-14 years as share of population

Chart Table

Kiribati

Factual

UN forecast

Nigeria

Factual

UN forecast

1x

Year	Young
	Kiribati	Nigeria
2100	19.5%	20.4%
2099	19.6%	20.5%
2098	19.7%	20.6%
2097	19.8%	20.7%
2096	20%	20.8%
2095	20.1%	20.9%
2094	20.2%	21%
2093	20.3%	21.1%
2092	20.5%	21.2%
2091	20.6%	21.4%
2090	20.7%	21.5%
2089	20.9%	21.6%
2088	21%	21.8%
2087	21.2%	21.9%
2086	21.3%	22.1%
2085	21.4%	22.2%
2084	21.6%	22.4%
2083	21.7%	22.6%
2082	21.8%	22.7%
2081	22%	22.9%
2080	22.1%	23.1%
2079	22.2%	23.3%
2078	22.3%	23.5%
2077	22.5%	23.7%
2076	22.6%	23.9%
2075	22.7%	24.1%
2074	22.9%	24.3%
2073	23%	24.5%
2072	23.1%	24.7%
2071	23.3%	25%
2070	23.4%	25.2%
2069	23.6%	25.4%
2068	23.8%	25.7%
2067	23.9%	25.9%
2066	24.1%	26.1%
2065	24.3%	26.4%
2064	24.5%	26.6%
2063	24.7%	26.9%
2062	25%	27.2%
2061	25.2%	27.4%
2060	25.4%	27.7%
2059	25.6%	28%
2058	25.8%	28.3%
2057	26.1%	28.6%
2056	26.3%	29%
2055	26.5%	29.3%
2054	26.7%	29.6%
2053	26.9%	30%
2052	27.1%	30.3%
2051	27.3%	30.7%
2050	27.5%	31.1%
2049	27.7%	31.5%
2048	27.9%	31.8%
2047	28%	32.2%
2046	28.2%	32.6%
2045	28.4%	32.9%
2044	28.5%	33.3%
2043	28.7%	33.7%
2042	28.9%	34%
2041	29.1%	34.4%
2040	29.3%	34.7%
2039	29.5%	35%
2038	29.8%	35.4%
2037	30.1%	35.7%
2036	30.4%	36%
2035	30.8%	36.3%
2034	31.1%	36.6%
2033	31.5%	37%
2032	31.8%	37.4%
2031	32.2%	37.8%
2030	32.6%	38.3%
2029	32.9%	38.8%
2028	33.3%	39.3%
2027	33.7%	39.8%
2026	34.2%	40.3%
2025	34.6%	40.8%
2024	34.7%	41%
2023	34.9%	41.5%
2022	35.1%	42%
2021	35.2%	42.4%
2020	35.2%	42.8%
2019	35.1%	43.2%
2018	35.1%	43.6%
2017	35%	43.9%
2016	35%	44.1%
2015	35.2%	44.3%
2014	35.4%	44.4%
2013	35.7%	44.5%
2012	36.1%	44.5%
2011	36.4%	44.5%
2010	36.6%	44.4%
2009	36.8%	44.4%
2008	37%	44.3%
2007	37.3%	44.2%
2006	37.6%	44.1%
2005	38%	44%
2004	38.4%	43.9%
2003	38.9%	43.8%
2002	39.3%	43.8%
2001	39.8%	43.7%
2000	40.1%	43.7%
1999	40.5%	43.8%
1998	40.8%	43.9%
1997	41%	44.1%
1996	41.1%	44.2%
1995	41.2%	44.4%
1994	41.2%	44.6%
1993	41%	44.8%
1992	40.8%	45%
1991	40.5%	45.2%
1990	40.2%	45.3%
1989	39.9%	45.5%
1988	39.7%	45.5%
1987	39.4%	45.6%
1986	39.2%	45.6%
1985	39.2%	45.5%
1984	39.2%	45.4%
1983	39.5%	45.2%
1982	39.9%	45%
1981	40.5%	44.8%
1980	41.1%	44.6%
1979	41.8%	44.4%
1978	42.3%	44.2%
1977	42.8%	43.9%
1976	43.2%	43.7%
1975	43.7%	43.4%
1974	44.2%	43.2%
1973	44.6%	43%
1972	44.8%	42.8%
1971	44.8%	42.5%
1970	44.9%	42.4%
1969	45%	42.2%
1968	44.9%	42%
1967	44.5%	41.8%
1966	44.1%	41.7%
1965	43.9%	41.5%
1964	44%	41.4%
1963	44%	41.2%
1962	43.8%	41.1%
1961	43.5%	41.1%
1960	43.2%	41.1%

Children aged 0-14 make up 34.7% of the population in Kiribati and 41% in Nigeria in 2024, compared to 40.2% and 45.3% respectively in 1990.

Demographics of Kiribati and Nigeria compared.

Maternal mortality chart: Kiribati vs Nigeria

Chart Table

Kiribati

Nigeria

1x

Year	Maternal mortality per 100K births
	Kiribati	Nigeria
2023	80	993
2022	86	1,016
2021	122	1,046
2020	89	1,065
2019	89	1,091
2018	87	1,118
2017	90	1,142
2016	88	1,155
2015	90	1,168
2014	91	1,155
2013	93	1,146
2012	98	1,124
2011	98	1,108
2010	102	1,094
2009	99	1,088
2008	100	1,081
2007	101	1,063
2006	102	1,067
2005	104	1,060
2004	106	1,075
2003	105	1,090
2002	109	1,117
2001	113	1,130
2000	119	1,136
1999	121	1,165
1998	126	1,189
1997	132	1,184
1996	141	1,185
1995	148	1,186
1994	150	1,193
1993	162	1,200
1992	175	1,246
1991	188	1,282
1990	199	1,285
1989	212	1,304
1988	220	1,332
1987	231	1,351
1986	232	1,363
1985	246	1,344

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 993 deaths in Nigeria.

Under-five mortality rates

Chart Table

Kiribati

Nigeria

Probability that a newborn baby will die before reaching age five

1x

Year	Under 5 mortality rate
	Kiribati	Nigeria
2023	5.51%	10.5%
2022	5.65%	10.8%
2021	5.76%	11.1%
2020	5.86%	11.4%
2019	5.93%	11.8%
2018	5.98%	12%
2017	5.99%	12.3%
2016	5.95%	12.5%
2015	5.89%	12.6%
2014	5.84%	12.8%
2013	5.8%	12.9%
2012	5.78%	13.1%
2011	5.79%	13.3%
2010	5.82%	13.5%
2009	5.87%	13.8%
2008	5.93%	14.1%
2007	5.99%	14.5%
2006	6.03%	15%
2005	6.07%	15.5%
2004	6.13%	16%
2003	6.2%	16.5%
2002	6.31%	17.1%
2001	6.46%	17.7%
2000	6.64%	18.2%
1999	6.83%	18.8%
1998	7.02%	19.3%
1997	7.22%	19.7%
1996	7.42%	20.1%
1995	7.64%	20.4%
1994	7.87%	20.6%
1993	8.13%	20.7%
1992	8.44%	20.8%
1991	8.77%	20.9%
1990	9.13%	21%
1989	9.5%	21%
1988	9.87%	21%
1987	10.2%	20.9%
1986	10.6%	20.9%
1985	10.9%	20.8%
1984	11.1%	20.7%
1983	11.4%	20.7%
1982	11.6%	20.8%
1981	11.7%	21%
1980	11.9%	21.3%
1979	12%	21.8%
1978	12.2%	22.3%
1977	12.3%	22.9%
1976	12.4%	23.6%
1975	12.5%	24.4%
1974	12.7%	25.2%
1973	13%	26.1%
1972	13.3%	26.9%
1971	13.7%	27.7%
1970	14.1%	28.5%
1969	14.6%	29.3%
1968	15.2%	30%
1967	15.8%	30.7%
1966	16.4%	31.3%
1965	17.1%	32%
1964	17.7%	32.7%
1963	18.3%	-
1962	18.9%	-
1961	19.5%	-
1960	19.9%	-

The chance that a newborn baby will die before reaching age five is 5.51% in Kiribati and 10.5% in Nigeria. Above is a chart with historical data on under-five mortality rates.