Fertility & birth rates in Nauru and New Zealand

Fertility rate in Nauru vs New Zealand chart

According to the latest available data on birth rates, the fertility rate in Nauru was 3.33 children per woman in 2023, compared to 1.56 in New Zealand in 2023. The replacement level is considered to be 2.1 children per woman.

Check Nauru vs New Zealand population clock for a dynamic visualization of the changing population.

The chart below showcases historical changes in the birth rates.

Table

Year	Fertility rate
	Nauru	New Zealand
1960	5.34	4.24
1961	5.38	4.31
1962	5.42	4.19
1963	5.44	4.05
1964	5.47	3.8
1965	5.48	3.54
1966	5.41	3.41
1967	5.29	3.35
1968	5.14	3.34
1969	4.94	3.28
1970	4.74	3.17
1971	4.54	3.18
1972	4.36	3
1973	4.19	2.76
1974	4.07	2.58
1975	3.97	2.37
1976	3.9	2.27
1977	3.86	2.21
1978	3.84	2.07
1979	3.85	2.12
1980	3.88	2.03
1981	3.94	2.01
1982	3.99	1.95
1983	4.06	1.92
1984	4.11	1.93
1985	4.14	1.93
1986	4.15	1.96
1987	4.14	2.03
1988	4.11	2.1
1989	4.07	2.12
1990	4.02	2.18
1991	3.99	2.09
1992	3.95	2.06
1993	3.89	2.04
1994	3.84	1.98
1995	3.81	1.98
1996	3.78	1.96
1997	3.74	1.96
1998	3.68	1.89
1999	3.64	1.97
2000	3.54	1.98
2001	3.46	1.97
2002	3.4	1.89
2003	3.39	1.93
2004	3.38	1.98
2005	3.38	1.97
2006	3.4	2.01
2007	3.5	2.18
2008	3.67	2.19
2009	3.85	2.13
2010	4.02	2.17
2011	4.12	2.09
2012	4.12	2.1
2013	4.1	2.01
2014	4.09	1.92
2015	4.08	1.99
2016	4.03	1.87
2017	3.88	1.81
2018	3.68	1.71
2019	3.53	1.72
2020	3.47	1.61
2021	3.43	1.64
2022	3.38	1.66
2023	3.33	1.56
2024	3.29	1.55
2025	3.25	1.54
2026	3.2	1.53
2027	3.16	1.53
2028	3.12	1.52
2029	3.09	1.52
2030	3.05	1.52
2031	3.01	1.52
2032	2.98	1.52
2033	2.95	1.51
2034	2.92	1.51
2035	2.89	1.51
2036	2.86	1.51
2037	2.83	1.51
2038	2.8	1.51
2039	2.77	1.51
2040	2.75	1.51
2041	2.72	1.51
2042	2.7	1.51
2043	2.67	1.51
2044	2.65	1.51
2045	2.63	1.51
2046	2.61	1.51
2047	2.58	1.51
2048	2.56	1.51
2049	2.55	1.51
2050	2.53	1.51

Children 0-14 years as share of population

Table

Year	Share of people 0-14 years old
	Nauru	New Zealand
1960	34.8%	32.8%
1961	35.2%	33%
1962	35.7%	33%
1963	36.5%	32.9%
1964	37.5%	32.9%
1965	38.6%	32.7%
1966	39.4%	32.6%
1967	39.5%	32.5%
1968	41.3%	32.3%
1969	43.4%	32.2%
1970	42.9%	31.9%
1971	41.3%	31.7%
1972	39.7%	31.4%
1973	38.1%	31%
1974	36.4%	30.5%
1975	34.9%	30.1%
1976	33.4%	29.6%
1977	31.9%	29%
1978	30.9%	28.4%
1979	30.6%	27.8%
1980	30.9%	27.2%
1981	31.9%	26.7%
1982	33.2%	26.2%
1983	34.6%	25.6%
1984	35.7%	25.1%
1985	36.5%	24.6%
1986	37.5%	24.2%
1987	38.3%	23.8%
1988	39.2%	23.5%
1989	40.2%	23.3%
1990	41.2%	23.3%
1991	42.1%	23.2%
1992	42.5%	23.1%
1993	42.5%	23.1%
1994	42.1%	23.1%
1995	41.7%	23.1%
1996	41.1%	23%
1997	40.5%	23%
1998	39.9%	23%
1999	39.4%	22.9%
2000	38.9%	22.8%
2001	38.5%	22.6%
2002	38.2%	22.4%
2003	37.7%	22.1%
2004	37.1%	21.8%
2005	36.6%	21.5%
2006	36.1%	21.3%
2007	35.7%	21.1%
2008	35.6%	21%
2009	35.8%	20.9%
2010	36.3%	20.9%
2011	37.1%	20.8%
2012	37.7%	20.6%
2013	38%	20.4%
2014	38.2%	20.2%
2015	38.2%	19.9%
2016	38.2%	19.6%
2017	38%	19.5%
2018	37.6%	19.3%
2019	37.6%	19.2%
2020	38%	19%
2021	38.3%	18.9%
2022	38.3%	18.6%
2023	38.2%	18.4%
2024	37.8%	18.1%
2025	37.1%	17.9%
2026	36.4%	17.6%
2027	35.7%	17.4%
2028	35%	17.2%
2029	34.3%	17%
2030	33.7%	16.8%
2031	33.1%	16.6%
2032	32.7%	16.4%
2033	32.4%	16.3%
2034	32.1%	16.1%
2035	31.9%	16%
2036	31.6%	15.9%
2037	31.3%	15.8%
2038	31.1%	15.7%
2039	31%	15.6%
2040	31%	15.5%
2041	30.9%	15.4%
2042	30.9%	15.4%
2043	30.9%	15.4%
2044	30.9%	15.3%
2045	30.8%	15.3%
2046	30.7%	15.3%
2047	30.6%	15.3%
2048	30.4%	15.3%
2049	30.2%	15.2%
2050	30%	15.2%

Children aged 0-14 make up 37.8% of the population in Nauru and 18.1% in New Zealand in 2024, compared to 41.2% and 23.3% respectively in 1990.

Demographics of Nauru and New Zealand compared.

Natural population change in Nauru vs New Zealand by year

For the past 10 years, the annual natural population change (excluding migration) has been +2.28% in Nauru and +0.51% in New Zealand. 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
	Nauru	New Zealand
1960	72	41,791
1961	70	43,482
1962	75	42,865
1963	88	42,027
1964	100	39,375
1965	113	36,982
1966	123	36,151
1967	117	37,974
1968	116	37,594
1969	71	38,098
1970	49	37,101
1971	50	40,000
1972	53	38,244
1973	57	35,239
1974	63	33,896
1975	70	31,355
1976	79	29,456
1977	89	28,020
1978	111	26,156
1979	130	26,675
1980	145	23,658
1981	157	25,374
1982	162	24,207
1983	163	24,315
1984	166	26,043
1985	171	24,126
1986	178	25,549
1987	186	27,603
1988	195	29,846
1989	204	30,749
1990	214	33,298
1991	225	33,518
1992	237	32,067
1993	235	31,685
1994	229	30,372
1995	225	29,828
1996	221	28,997
1997	218	30,137
1998	214	29,146
1999	212	28,916
2000	207	29,897
2001	203	27,939
2002	200	25,941
2003	201	28,150
2004	202	29,634
2005	204	30,674
2006	209	30,924
2007	222	35,480
2008	240	35,143
2009	261	33,560
2010	281	35,458
2011	291	31,302
2012	292	31,077
2013	291	29,096
2014	290	26,196
2015	291	29,408
2016	289	28,237
2017	279	26,282
2018	265	24,797
2019	255	25,344
2020	246	24,993
2021	236	23,767
2022	226	20,264
2023	213	19,039

Maternal mortality chart: Nauru vs New Zealand

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 7 deaths in New Zealand.

Table

Year	Maternal mortality per 100K births
	Nauru	New Zealand
1985	191	19
1986	209	18
1987	206	19
1988	202	19
1989	198	18
1990	195	18
1991	216	16
1992	217	15
1993	219	14
1994	220	13
1995	219	14
1996	218	14
1997	218	13
1998	257	12
1999	277	12
2000	278	11
2001	299	10
2002	321	11
2003	323	11
2004	324	11
2005	328	11
2006	304	10
2007	303	10
2008	302	10
2009	300	10
2010	297	10
2011	260	10
2012	255	9
2013	247	8
2014	240	7
2015	253	8
2016	248	8
2017	259	8
2018	269	7
2019	267	8
2020	309	8
2021	266	8
2022	317	23
2023	273	7

Under-five mortality rates

The chance that a newborn baby will die before reaching age five is 0.89% in Nauru and 0.47% in New Zealand. 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
	Nauru	New Zealand
1960	-	2.78%
1961	-	2.68%
1962	-	2.58%
1963	-	2.48%
1964	-	2.39%
1965	-	2.31%
1966	-	2.25%
1967	-	2.2%
1968	-	2.16%
1969	-	2.12%
1970	-	2.08%
1971	-	2.03%
1972	-	1.98%
1973	-	1.94%
1974	-	1.88%
1975	-	1.83%
1976	-	1.77%
1977	-	1.71%
1978	-	1.66%
1979	-	1.61%
1980	-	1.56%
1981	-	1.52%
1982	-	1.48%
1983	-	1.45%
1984	-	1.41%
1985	8.62%	1.38%
1986	8.2%	1.34%
1987	7.81%	1.29%
1988	7.43%	1.24%
1989	7.08%	1.18%
1990	6.74%	1.12%
1991	6.41%	1.06%
1992	6.09%	1%
1993	5.78%	0.95%
1994	5.49%	0.91%
1995	5.22%	0.87%
1996	4.97%	0.84%
1997	4.74%	0.81%
1998	4.52%	0.78%
1999	4.32%	0.76%
2000	4.13%	0.74%
2001	3.96%	0.72%
2002	3.81%	0.7%
2003	3.66%	0.69%
2004	3.53%	0.67%
2005	3.41%	0.66%
2006	3.29%	0.65%
2007	3.15%	0.65%
2008	3%	0.64%
2009	2.84%	0.63%
2010	2.66%	0.62%
2011	2.48%	0.61%
2012	2.29%	0.6%
2013	2.11%	0.59%
2014	1.93%	0.57%
2015	1.76%	0.56%
2016	1.61%	0.55%
2017	1.47%	0.53%
2018	1.34%	0.52%
2019	1.22%	0.51%
2020	1.11%	0.5%
2021	1.02%	0.49%
2022	0.95%	0.48%
2023	0.89%	0.47%