Fertility & birth rates in Nauru and Saint Kitts and Nevis

Fertility rate in Nauru vs Saint Kitts and Nevis 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 1.51 in Saint Kitts and Nevis in 2023. The replacement level is considered to be 2.1 children per woman.

Check Nauru vs Saint Kitts and Nevis 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	Saint Kitts
1960	5.34	6.54
1961	5.38	6.27
1962	5.42	6.06
1963	5.44	6.12
1964	5.47	6.08
1965	5.48	6.01
1966	5.41	5.78
1967	5.29	5.46
1968	5.14	5.17
1969	4.94	4.97
1970	4.74	4.73
1971	4.54	4.51
1972	4.36	4.16
1973	4.19	3.97
1974	4.07	3.81
1975	3.97	3.68
1976	3.9	3.59
1977	3.86	3.48
1978	3.84	3.29
1979	3.85	3.23
1980	3.88	3.26
1981	3.94	3.3
1982	3.99	3.18
1983	4.06	3.1
1984	4.11	2.88
1985	4.14	2.82
1986	4.15	2.68
1987	4.14	2.62
1988	4.11	2.62
1989	4.07	2.69
1990	4.02	2.73
1991	3.99	2.6
1992	3.95	2.43
1993	3.89	2.38
1994	3.84	2.31
1995	3.81	2.3
1996	3.78	2.26
1997	3.74	2.3
1998	3.68	2.31
1999	3.64	2.26
2000	3.54	2.13
2001	3.46	2.08
2002	3.4	2.04
2003	3.39	2
2004	3.38	1.96
2005	3.38	1.93
2006	3.4	1.9
2007	3.5	1.87
2008	3.67	1.83
2009	3.85	1.8
2010	4.02	1.76
2011	4.12	1.74
2012	4.12	1.71
2013	4.1	1.68
2014	4.09	1.67
2015	4.08	1.64
2016	4.03	1.63
2017	3.88	1.61
2018	3.68	1.59
2019	3.53	1.57
2020	3.47	1.55
2021	3.43	1.53
2022	3.38	1.51
2023	3.33	1.51
2024	3.29	1.53
2025	3.25	1.51
2026	3.2	1.5
2027	3.16	1.49
2028	3.12	1.49
2029	3.09	1.49
2030	3.05	1.48
2031	3.01	1.48
2032	2.98	1.48
2033	2.95	1.48
2034	2.92	1.48
2035	2.89	1.48
2036	2.86	1.48
2037	2.83	1.49
2038	2.8	1.49
2039	2.77	1.49
2040	2.75	1.49
2041	2.72	1.49
2042	2.7	1.49
2043	2.67	1.5
2044	2.65	1.5
2045	2.63	1.5
2046	2.61	1.5
2047	2.58	1.5
2048	2.56	1.5
2049	2.55	1.5
2050	2.53	1.5

Children 0-14 years as share of population

Table

Year	Share of people 0-14 years old
	Nauru	Saint Kitts
1960	34.8%	45.6%
1961	35.2%	45.7%
1962	35.7%	45.8%
1963	36.5%	46%
1964	37.5%	46.1%
1965	38.6%	46.3%
1966	39.4%	46.6%
1967	39.5%	47%
1968	41.3%	47.4%
1969	43.4%	47.7%
1970	42.9%	47.2%
1971	41.3%	45.8%
1972	39.7%	44.3%
1973	38.1%	42.9%
1974	36.4%	41.6%
1975	34.9%	40.5%
1976	33.4%	39.6%
1977	31.9%	38.8%
1978	30.9%	38.2%
1979	30.6%	37.6%
1980	30.9%	36.9%
1981	31.9%	36.2%
1982	33.2%	35.6%
1983	34.6%	35.1%
1984	35.7%	34.7%
1985	36.5%	34.5%
1986	37.5%	34.3%
1987	38.3%	34.2%
1988	39.2%	34.1%
1989	40.2%	34.1%
1990	41.2%	34.2%
1991	42.1%	34.1%
1992	42.5%	33.6%
1993	42.5%	32.9%
1994	42.1%	32.3%
1995	41.7%	31.7%
1996	41.1%	31.1%
1997	40.5%	30.6%
1998	39.9%	30.1%
1999	39.4%	29.7%
2000	38.9%	29.3%
2001	38.5%	28.8%
2002	38.2%	28.1%
2003	37.7%	27.4%
2004	37.1%	26.6%
2005	36.6%	26%
2006	36.1%	25.3%
2007	35.7%	24.8%
2008	35.6%	24.4%
2009	35.8%	24%
2010	36.3%	23.3%
2011	37.1%	22.7%
2012	37.7%	22.2%
2013	38%	21.7%
2014	38.2%	21.1%
2015	38.2%	20.6%
2016	38.2%	20.2%
2017	38%	19.9%
2018	37.6%	19.6%
2019	37.6%	19.3%
2020	38%	19.1%
2021	38.3%	18.8%
2022	38.3%	18.6%
2023	38.2%	18.3%
2024	37.8%	18.2%
2025	37.1%	18.3%
2026	36.4%	18.4%
2027	35.7%	18.2%
2028	35%	17.9%
2029	34.3%	17.7%
2030	33.7%	17.5%
2031	33.1%	17.2%
2032	32.7%	17%
2033	32.4%	16.8%
2034	32.1%	16.5%
2035	31.9%	16.3%
2036	31.6%	16.1%
2037	31.3%	15.9%
2038	31.1%	15.7%
2039	31%	15.5%
2040	31%	15.4%
2041	30.9%	15.2%
2042	30.9%	15.1%
2043	30.9%	15%
2044	30.9%	14.8%
2045	30.8%	14.7%
2046	30.7%	14.6%
2047	30.6%	14.5%
2048	30.4%	14.5%
2049	30.2%	14.4%
2050	30%	14.3%

Children aged 0-14 make up 37.8% of the population in Nauru and 18.2% in Saint Kitts and Nevis in 2024, compared to 41.2% and 34.2% respectively in 1990.

Demographics of Nauru and Saint Kitts and Nevis compared.

Natural population change in Nauru vs Saint Kitts and Nevis by year

For the past 10 years, the annual natural population change (excluding migration) has been +2.28% in Nauru and +0.26% in Saint Kitts and Nevis. 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	Saint Kitts
1960	72	1,562
1961	70	1,466
1962	75	1,373
1963	88	1,360
1964	100	1,305
1965	113	1,228
1966	123	1,103
1967	117	951
1968	116	812
1969	71	708
1970	49	611
1971	50	615
1972	53	619
1973	57	646
1974	63	670
1975	70	688
1976	79	703
1977	89	697
1978	111	654
1979	130	643
1980	145	652
1981	157	684
1982	162	672
1983	163	664
1984	166	598
1985	171	574
1986	178	520
1987	186	486
1988	195	471
1989	204	476
1990	214	471
1991	225	411
1992	237	369
1993	235	373
1994	229	370
1995	225	382
1996	221	379
1997	218	405
1998	214	415
1999	212	413
2000	207	376
2001	203	369
2002	200	365
2003	201	369
2004	202	365
2005	204	361
2006	209	355
2007	222	341
2008	240	322
2009	261	300
2010	281	274
2011	291	250
2012	292	246
2013	291	227
2014	290	213
2015	291	197
2016	289	185
2017	279	169
2018	265	150
2019	255	135
2020	246	98
2021	236	-20
2022	226	14
2023	213	84

Maternal mortality chart: Nauru vs Saint Kitts and Nevis

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 74 deaths in Saint Kitts and Nevis.

Table

Year	Maternal mortality per 100K births
	Nauru	Saint Kitts
1985	191	290
1986	209	285
1987	206	302
1988	202	308
1989	198	316
1990	195	302
1991	216	280
1992	217	255
1993	219	225
1994	220	205
1995	219	204
1996	218	194
1997	218	194
1998	257	193
1999	277	164
2000	278	143
2001	299	131
2002	321	115
2003	323	111
2004	324	104
2005	328	102
2006	304	99
2007	303	96
2008	302	95
2009	300	93
2010	297	92
2011	260	90
2012	255	88
2013	247	82
2014	240	82
2015	253	76
2016	248	75
2017	259	74
2018	269	78
2019	267	74
2020	309	80
2021	266	111
2022	317	99
2023	273	74

Under-five mortality rates

The chance that a newborn baby will die before reaching age five is 0.89% in Nauru and 1.63% in Saint Kitts and Nevis. 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	Saint Kitts
1973	-	6.16%
1974	-	6.03%
1975	-	5.91%
1976	-	5.78%
1977	-	5.64%
1978	-	5.48%
1979	-	5.29%
1980	-	5.06%
1981	-	4.81%
1982	-	4.53%
1983	-	4.26%
1984	-	4%
1985	8.62%	3.76%
1986	8.2%	3.56%
1987	7.81%	3.39%
1988	7.43%	3.24%
1989	7.08%	3.12%
1990	6.74%	3.03%
1991	6.41%	2.96%
1992	6.09%	2.9%
1993	5.78%	2.85%
1994	5.49%	2.8%
1995	5.22%	2.76%
1996	4.97%	2.7%
1997	4.74%	2.64%
1998	4.52%	2.56%
1999	4.32%	2.48%
2000	4.13%	2.39%
2001	3.96%	2.29%
2002	3.81%	2.2%
2003	3.66%	2.11%
2004	3.53%	2.03%
2005	3.41%	1.97%
2006	3.29%	1.92%
2007	3.15%	1.89%
2008	3%	1.88%
2009	2.84%	1.87%
2010	2.66%	1.88%
2011	2.48%	1.89%
2012	2.29%	1.91%
2013	2.11%	1.93%
2014	1.93%	1.95%
2015	1.76%	1.94%
2016	1.61%	1.93%
2017	1.47%	1.9%
2018	1.34%	1.86%
2019	1.22%	1.82%
2020	1.11%	1.77%
2021	1.02%	1.72%
2022	0.95%	1.68%
2023	0.89%	1.63%