Fertility & birth rates in Nauru and Nigeria

Fertility rate in Nauru vs Nigeria by year

Chart Table

Nauru

Nigeria

1x

Year	Fertility rate
	Nauru	Nigeria
2023	3.33	4.48
2022	3.38	4.55
2021	3.43	4.64
2020	3.47	4.7
2019	3.53	4.86
2018	3.68	5.02
2017	3.88	5.18
2016	4.03	5.34
2015	4.08	5.5
2014	4.09	5.62
2013	4.1	5.69
2012	4.12	5.8
2011	4.12	5.89
2010	4.02	5.95
2009	3.85	5.99
2008	3.67	6.02
2007	3.5	6.03
2006	3.4	6.05
2005	3.38	6.06
2004	3.38	6.09
2003	3.39	6.1
2002	3.4	6.12
2001	3.46	6.13
2000	3.54	6.12
1999	3.64	6.08
1998	3.68	6.07
1997	3.74	6.14
1996	3.78	6.22
1995	3.81	6.27
1994	3.84	6.32
1993	3.89	6.35
1992	3.95	6.39
1991	3.99	6.43
1990	4.02	6.46
1989	4.07	6.49
1988	4.11	6.5
1987	4.14	6.5
1986	4.15	6.56
1985	4.14	6.62
1984	4.11	6.7
1983	4.06	6.78
1982	3.99	6.8
1981	3.94	6.82
1980	3.88	6.85
1979	3.85	6.89
1978	3.84	6.92
1977	3.86	6.86
1976	3.9	6.81
1975	3.97	6.77
1974	4.07	6.7
1973	4.19	6.63
1972	4.36	6.58
1971	4.54	6.53
1970	4.74	6.47
1969	4.94	6.44
1968	5.14	6.42
1967	5.29	6.4
1966	5.41	6.39
1965	5.48	6.37
1964	5.47	6.36
1963	5.44	6.35
1962	5.42	6.36
1961	5.38	6.35
1960	5.34	6.36

According to the latest available data on birth rates, the fertility rate in Nauru was 3.33 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 Nauru vs Nigeria population clock for a dynamic visualization of the changing population.

Natural population change by year

Chart Table

Nauru

Nigeria

1x

Year	Natural population change
	Nauru	Nigeria
2023	213	4,834,309
2022	226	4,739,502
2021	236	4,641,562
2020	246	4,525,164
2019	255	4,609,941
2018	265	4,659,898
2017	279	4,706,183
2016	289	4,761,594
2015	291	4,823,045
2014	290	4,862,319
2013	291	4,811,751
2012	292	4,774,508
2011	291	4,728,363
2010	281	4,629,173
2009	261	4,528,149
2008	240	4,412,976
2007	222	4,265,428
2006	209	4,135,703
2005	204	4,013,788
2004	202	3,877,376
2003	201	3,751,120
2002	200	3,606,814
2001	203	3,478,370
2000	207	3,343,196
1999	212	3,155,425
1998	214	3,003,946
1997	218	2,936,500
1996	221	2,882,205
1995	225	2,830,771
1994	229	2,735,198
1993	235	2,673,675
1992	237	2,596,173
1991	225	2,527,807
1990	214	2,491,928
1989	204	2,452,324
1988	195	2,376,419
1987	186	2,322,397
1986	178	2,295,003
1985	171	2,289,784
1984	166	2,278,060
1983	163	2,292,089
1982	162	2,233,401
1981	157	2,179,884
1980	145	2,121,618
1979	130	2,074,807
1978	111	2,019,621
1977	89	1,923,917
1976	79	1,827,289
1975	70	1,718,623
1974	63	1,624,813
1973	57	1,525,485
1972	53	1,448,928
1971	50	1,373,896
1970	49	1,295,507
1969	71	1,213,484
1968	116	1,168,254
1967	117	1,082,884
1966	123	1,095,582
1965	113	1,061,840
1964	100	1,028,272
1963	88	995,116
1962	75	966,452
1961	70	932,111
1960	72	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 +1.8% in Nauru and +2.12% in Nigeria.

For the past 10 years, the annual natural population change has been +2.28% in Nauru and +2.29% in Nigeria.

Birth rate in Nauru vs Nigeria by year

Chart Table

Nauru

Nigeria

Annual births per 1,000 people

1x

Year	Annual births per 1,000 people
	Nauru	Nigeria
2023	25.5	33
2022	26.6	33.2
2021	27.8	33.5
2020	28.7	33.7
2019	29.6	34.7
2018	30.7	35.7
2017	32.2	36.7
2016	33.6	37.8
2015	34.2	39
2014	34.7	39.9
2013	35.3	40.4
2012	36.1	41.1
2011	36.8	41.8
2010	36.1	42.1
2009	34.3	42.5
2008	32.3	42.8
2007	30.4	42.9
2006	29.1	43.2
2005	28.5	43.4
2004	28.1	43.5
2003	27.9	43.7
2002	27.8	43.8
2001	27.9	43.9
2000	28.2	43.9
1999	28.6	43.4
1998	28.7	43.2
1997	29	43.5
1996	29.4	43.9
1995	29.8	44.1
1994	30.3	44
1993	31.1	44.1
1992	31.8	44.2
1991	31.7	44.3
1990	31.7	44.5
1989	31.9	44.8
1988	32	44.7
1987	32	44.8
1986	31.9	45.3
1985	31.9	45.9
1984	31.8	46.5
1983	31.8	47.5
1982	31.8	47.5
1981	31.2	47.9
1980	29.7	48.3
1979	27.6	48.8
1978	25	49.3
1977	21.8	49.1
1976	20.1	49
1975	18.7	49
1974	17.4	48.7
1973	16.3	48.2
1972	15.6	48
1971	15.2	47.8
1970	15.1	47.4
1969	18.8	47.3
1968	27.2	47.2
1967	28.3	47.1
1966	29.9	47
1965	29.1	46.9
1964	28.2	46.9
1963	27	46.8
1962	25.6	46.7
1961	25.6	46.6
1960	26.9	46.5

The latest reported birth rate per 1,000 people in 2023 was 25.5 in Nauru and 33 in Nigeria, compared with 26.9 and 46.5, respectively, in 1960.

Children 0-14 years as share of population

Chart Table

Nauru

Factual

UN forecast

Nigeria

Factual

UN forecast

1x

Year	Young
	Nauru	Nigeria
2100	20.7%	20.4%
2099	20.8%	20.5%
2098	21%	20.6%
2097	21.1%	20.7%
2096	21.2%	20.8%
2095	21.3%	20.9%
2094	21.4%	21%
2093	21.6%	21.1%
2092	21.7%	21.2%
2091	21.9%	21.4%
2090	22%	21.5%
2089	22.2%	21.6%
2088	22.4%	21.8%
2087	22.5%	21.9%
2086	22.7%	22.1%
2085	22.9%	22.2%
2084	23.1%	22.4%
2083	23.3%	22.6%
2082	23.4%	22.7%
2081	23.6%	22.9%
2080	23.8%	23.1%
2079	23.9%	23.3%
2078	24.1%	23.5%
2077	24.2%	23.7%
2076	24.3%	23.9%
2075	24.5%	24.1%
2074	24.6%	24.3%
2073	24.7%	24.5%
2072	24.9%	24.7%
2071	25%	25%
2070	25.1%	25.2%
2069	25.3%	25.4%
2068	25.4%	25.7%
2067	25.6%	25.9%
2066	25.8%	26.1%
2065	26%	26.4%
2064	26.2%	26.6%
2063	26.4%	26.9%
2062	26.7%	27.2%
2061	26.9%	27.4%
2060	27.2%	27.7%
2059	27.5%	28%
2058	27.9%	28.3%
2057	28.2%	28.6%
2056	28.5%	29%
2055	28.8%	29.3%
2054	29.1%	29.6%
2053	29.4%	30%
2052	29.7%	30.3%
2051	29.9%	30.7%
2050	30.2%	31.1%
2049	30.4%	31.5%
2048	30.6%	31.8%
2047	30.7%	32.2%
2046	30.8%	32.6%
2045	30.9%	32.9%
2044	30.9%	33.3%
2043	31%	33.7%
2042	31%	34%
2041	31%	34.4%
2040	31%	34.7%
2039	31.1%	35%
2038	31.2%	35.4%
2037	31.4%	35.7%
2036	31.8%	36%
2035	32%	36.3%
2034	32.3%	36.6%
2033	32.5%	37%
2032	32.9%	37.4%
2031	33.4%	37.8%
2030	34%	38.3%
2029	34.7%	38.8%
2028	35.3%	39.3%
2027	36.1%	39.8%
2026	36.8%	40.3%
2025	37.5%	40.8%
2024	37.8%	41%
2023	38.2%	41.5%
2022	38.3%	42%
2021	38.3%	42.4%
2020	38%	42.8%
2019	37.6%	43.2%
2018	37.6%	43.6%
2017	38%	43.9%
2016	38.2%	44.1%
2015	38.2%	44.3%
2014	38.2%	44.4%
2013	38%	44.5%
2012	37.7%	44.5%
2011	37.1%	44.5%
2010	36.3%	44.4%
2009	35.8%	44.4%
2008	35.6%	44.3%
2007	35.7%	44.2%
2006	36.1%	44.1%
2005	36.6%	44%
2004	37.1%	43.9%
2003	37.7%	43.8%
2002	38.2%	43.8%
2001	38.5%	43.7%
2000	38.9%	43.7%
1999	39.4%	43.8%
1998	39.9%	43.9%
1997	40.5%	44.1%
1996	41.1%	44.2%
1995	41.7%	44.4%
1994	42.1%	44.6%
1993	42.5%	44.8%
1992	42.5%	45%
1991	42.1%	45.2%
1990	41.2%	45.3%
1989	40.2%	45.5%
1988	39.2%	45.5%
1987	38.3%	45.6%
1986	37.5%	45.6%
1985	36.5%	45.5%
1984	35.7%	45.4%
1983	34.6%	45.2%
1982	33.2%	45%
1981	31.9%	44.8%
1980	30.9%	44.6%
1979	30.6%	44.4%
1978	30.9%	44.2%
1977	31.9%	43.9%
1976	33.4%	43.7%
1975	34.9%	43.4%
1974	36.4%	43.2%
1973	38.1%	43%
1972	39.7%	42.8%
1971	41.3%	42.5%
1970	42.9%	42.4%
1969	43.4%	42.2%
1968	41.3%	42%
1967	39.5%	41.8%
1966	39.4%	41.7%
1965	38.6%	41.5%
1964	37.5%	41.4%
1963	36.5%	41.2%
1962	35.7%	41.1%
1961	35.2%	41.1%
1960	34.8%	41.1%

Children aged 0-14 make up 37.8% of the population in Nauru and 41% in Nigeria in 2024, compared to 41.2% and 45.3% respectively in 1990.

Demographics of Nauru and Nigeria compared.

Maternal mortality chart: Nauru vs Nigeria

Chart Table

Nauru

Nigeria

1x

Year	Maternal mortality per 100K births
	Nauru	Nigeria
2023	273	993
2022	317	1,016
2021	266	1,046
2020	309	1,065
2019	267	1,091
2018	269	1,118
2017	259	1,142
2016	248	1,155
2015	253	1,168
2014	240	1,155
2013	247	1,146
2012	255	1,124
2011	260	1,108
2010	297	1,094
2009	300	1,088
2008	302	1,081
2007	303	1,063
2006	304	1,067
2005	328	1,060
2004	324	1,075
2003	323	1,090
2002	321	1,117
2001	299	1,130
2000	278	1,136
1999	277	1,165
1998	257	1,189
1997	218	1,184
1996	218	1,185
1995	219	1,186
1994	220	1,193
1993	219	1,200
1992	217	1,246
1991	216	1,282
1990	195	1,285
1989	198	1,304
1988	202	1,332
1987	206	1,351
1986	209	1,363
1985	191	1,344

The maternal mortality rate, which is the probability of dying during childbirth or within 42 days of pregnancy termination, is 273 deaths per 100,000 live births in Nauru, compared to 993 deaths in Nigeria.

Under-five mortality rates

Chart Table

Nauru

Nigeria

Probability that a newborn baby will die before reaching age five

1x

Year	Under 5 mortality rate
	Nauru	Nigeria
2023	0.89%	10.5%
2022	0.95%	10.8%
2021	1.02%	11.1%
2020	1.11%	11.4%
2019	1.22%	11.8%
2018	1.34%	12%
2017	1.47%	12.3%
2016	1.61%	12.5%
2015	1.76%	12.6%
2014	1.93%	12.8%
2013	2.11%	12.9%
2012	2.29%	13.1%
2011	2.48%	13.3%
2010	2.66%	13.5%
2009	2.84%	13.8%
2008	3%	14.1%
2007	3.15%	14.5%
2006	3.29%	15%
2005	3.41%	15.5%
2004	3.53%	16%
2003	3.66%	16.5%
2002	3.81%	17.1%
2001	3.96%	17.7%
2000	4.13%	18.2%
1999	4.32%	18.8%
1998	4.52%	19.3%
1997	4.74%	19.7%
1996	4.97%	20.1%
1995	5.22%	20.4%
1994	5.49%	20.6%
1993	5.78%	20.7%
1992	6.09%	20.8%
1991	6.41%	20.9%
1990	6.74%	21%
1989	7.08%	21%
1988	7.43%	21%
1987	7.81%	20.9%
1986	8.2%	20.9%
1985	8.62%	20.8%
1984	-	20.7%
1983	-	20.7%
1982	-	20.8%
1981	-	21%
1980	-	21.3%
1979	-	21.8%
1978	-	22.3%
1977	-	22.9%
1976	-	23.6%
1975	-	24.4%
1974	-	25.2%
1973	-	26.1%
1972	-	26.9%
1971	-	27.7%
1970	-	28.5%
1969	-	29.3%
1968	-	30%
1967	-	30.7%
1966	-	31.3%
1965	-	32%
1964	-	32.7%

The chance that a newborn baby will die before reaching age five is 0.89% in Nauru and 10.5% in Nigeria. Above is a chart with historical data on under-five mortality rates.