Fertility & birth rates in Nauru and Sri Lanka

Fertility rate in Nauru vs Sri Lanka 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 1.97 in Sri Lanka in 2023. The replacement level is considered to be 2.1 children per woman.

Check Nauru vs Sri Lanka 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	Sri Lanka
1960	5.34	5.35
1961	5.38	5.24
1962	5.42	5.18
1963	5.44	5.12
1964	5.47	5.06
1965	5.48	4.93
1966	5.41	4.83
1967	5.29	4.79
1968	5.14	4.66
1969	4.94	4.5
1970	4.74	4.39
1971	4.54	4.27
1972	4.36	4.16
1973	4.19	4
1974	4.07	3.86
1975	3.97	3.82
1976	3.9	3.78
1977	3.86	3.74
1978	3.84	3.81
1979	3.85	3.82
1980	3.88	3.73
1981	3.94	3.65
1982	3.99	3.32
1983	4.06	3.11
1984	4.11	3.01
1985	4.14	2.9
1986	4.15	2.74
1987	4.14	2.64
1988	4.11	2.57
1989	4.07	2.58
1990	4.02	2.54
1991	3.99	2.51
1992	3.95	2.49
1993	3.89	2.44
1994	3.84	2.4
1995	3.81	2.35
1996	3.78	2.29
1997	3.74	2.22
1998	3.68	2.14
1999	3.64	2.14
2000	3.54	2.21
2001	3.46	2.28
2002	3.4	2.31
2003	3.39	2.3
2004	3.38	2.27
2005	3.38	2.26
2006	3.4	2.29
2007	3.5	2.3
2008	3.67	2.23
2009	3.85	2.18
2010	4.02	2.13
2011	4.12	2.14
2012	4.12	2.17
2013	4.1	2.18
2014	4.09	2.13
2015	4.08	2.09
2016	4.03	2.06
2017	3.88	2.04
2018	3.68	2.03
2019	3.53	2.02
2020	3.47	2.01
2021	3.43	2
2022	3.38	1.98
2023	3.33	1.97
2024	3.29	1.95
2025	3.25	1.94
2026	3.2	1.93
2027	3.16	1.91
2028	3.12	1.9
2029	3.09	1.89
2030	3.05	1.88
2031	3.01	1.87
2032	2.98	1.86
2033	2.95	1.85
2034	2.92	1.85
2035	2.89	1.84
2036	2.86	1.83
2037	2.83	1.83
2038	2.8	1.82
2039	2.77	1.81
2040	2.75	1.81
2041	2.72	1.8
2042	2.7	1.8
2043	2.67	1.8
2044	2.65	1.79
2045	2.63	1.79
2046	2.61	1.79
2047	2.58	1.78
2048	2.56	1.78
2049	2.55	1.77
2050	2.53	1.77

Children 0-14 years as share of population

Table

Year	Share of people 0-14 years old
	Nauru	Sri Lanka
1960	34.8%	41%
1961	35.2%	40.9%
1962	35.7%	40.8%
1963	36.5%	40.7%
1964	37.5%	40.6%
1965	38.6%	40.5%
1966	39.4%	40.4%
1967	39.5%	40.3%
1968	41.3%	40.1%
1969	43.4%	39.9%
1970	42.9%	39.7%
1971	41.3%	39.5%
1972	39.7%	39.2%
1973	38.1%	38.8%
1974	36.4%	38.4%
1975	34.9%	38%
1976	33.4%	37.6%
1977	31.9%	37.2%
1978	30.9%	36.9%
1979	30.6%	36.7%
1980	30.9%	36.4%
1981	31.9%	36.2%
1982	33.2%	36%
1983	34.6%	35.8%
1984	35.7%	35.5%
1985	36.5%	35.2%
1986	37.5%	34.6%
1987	38.3%	34%
1988	39.2%	33.5%
1989	40.2%	33%
1990	41.2%	32.5%
1991	42.1%	32.1%
1992	42.5%	31.4%
1993	42.5%	30.6%
1994	42.1%	29.9%
1995	41.7%	29.2%
1996	41.1%	28.6%
1997	40.5%	28.2%
1998	39.9%	27.8%
1999	39.4%	27.4%
2000	38.9%	27%
2001	38.5%	26.6%
2002	38.2%	26.3%
2003	37.7%	26.1%
2004	37.1%	26%
2005	36.6%	25.8%
2006	36.1%	25.7%
2007	35.7%	25.7%
2008	35.6%	25.6%
2009	35.8%	25.5%
2010	36.3%	25.4%
2011	37.1%	25.3%
2012	37.7%	25.2%
2013	38%	25%
2014	38.2%	24.9%
2015	38.2%	24.7%
2016	38.2%	24.5%
2017	38%	24.2%
2018	37.6%	24%
2019	37.6%	23.7%
2020	38%	23.3%
2021	38.3%	23%
2022	38.3%	22.7%
2023	38.2%	22.4%
2024	37.8%	22%
2025	37.1%	21.7%
2026	36.4%	21.4%
2027	35.7%	21.1%
2028	35%	20.8%
2029	34.3%	20.5%
2030	33.7%	20.2%
2031	33.1%	20%
2032	32.7%	19.8%
2033	32.4%	19.6%
2034	32.1%	19.4%
2035	31.9%	19.2%
2036	31.6%	19.1%
2037	31.3%	18.9%
2038	31.1%	18.8%
2039	31%	18.7%
2040	31%	18.6%
2041	30.9%	18.4%
2042	30.9%	18.3%
2043	30.9%	18.2%
2044	30.9%	18.1%
2045	30.8%	18%
2046	30.7%	17.9%
2047	30.6%	17.7%
2048	30.4%	17.6%
2049	30.2%	17.5%
2050	30%	17.3%

Children aged 0-14 make up 37.8% of the population in Nauru and 22% in Sri Lanka in 2024, compared to 41.2% and 32.5% respectively in 1990.

Demographics of Nauru and Sri Lanka compared.

Natural population change in Nauru vs Sri Lanka by year

For the past 10 years, the annual natural population change (excluding migration) has been +2.28% in Nauru and +0.75% in Sri Lanka. 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	Sri Lanka
1960	72	247,631
1961	70	251,087
1962	75	256,719
1963	88	262,880
1964	100	269,584
1965	113	272,422
1966	123	275,549
1967	117	284,738
1968	116	286,642
1969	71	286,218
1970	49	286,719
1971	50	281,200
1972	53	282,494
1973	57	278,577
1974	63	275,521
1975	70	282,496
1976	79	291,816
1977	89	300,038
1978	111	317,055
1979	130	329,791
1980	145	328,155
1981	157	328,096
1982	162	300,030
1983	163	277,768
1984	166	263,175
1985	171	247,836
1986	178	233,782
1987	186	226,414
1988	195	219,184
1989	204	212,401
1990	214	224,454
1991	225	218,117
1992	237	222,230
1993	235	226,257
1994	229	228,904
1995	225	221,957
1996	221	215,290
1997	218	208,193
1998	214	201,059
1999	212	206,876
2000	207	227,060
2001	203	244,377
2002	200	252,840
2003	201	252,008
2004	202	212,527
2005	204	248,683
2006	209	248,706
2007	222	248,287
2008	240	232,225
2009	261	200,175
2010	281	224,325
2011	291	224,461
2012	292	229,138
2013	291	221,021
2014	290	211,541
2015	291	201,815
2016	289	194,232
2017	279	187,993
2018	265	183,610
2019	255	172,243
2020	246	170,968
2021	236	121,858
2022	226	95,378
2023	213	66,111

Maternal mortality chart: Nauru vs Sri Lanka

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 18 deaths in Sri Lanka.

Table

Year	Maternal mortality per 100K births
	Nauru	Sri Lanka
1985	191	68
1986	209	66
1987	206	64
1988	202	62
1989	198	61
1990	195	59
1991	216	57
1992	217	54
1993	219	51
1994	220	49
1995	219	48
1996	218	47
1997	218	45
1998	257	43
1999	277	41
2000	278	39
2001	299	37
2002	321	36
2003	323	35
2004	324	37
2005	328	32
2006	304	32
2007	303	31
2008	302	30
2009	300	28
2010	297	26
2011	260	25
2012	255	24
2013	247	23
2014	240	23
2015	253	22
2016	248	22
2017	259	21
2018	269	21
2019	267	20
2020	309	23
2021	266	34
2022	317	22
2023	273	18

Under-five mortality rates

The chance that a newborn baby will die before reaching age five is 0.89% in Nauru and 0.61% in Sri Lanka. 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	Sri Lanka
1960	-	9.41%
1961	-	8.95%
1962	-	8.66%
1963	-	8.48%
1964	-	8.3%
1965	-	8.07%
1966	-	7.81%
1967	-	7.55%
1968	-	7.32%
1969	-	7.14%
1970	-	7.02%
1971	-	6.94%
1972	-	6.86%
1973	-	6.77%
1974	-	6.62%
1975	-	6.41%
1976	-	6.12%
1977	-	5.77%
1978	-	5.38%
1979	-	4.99%
1980	-	4.63%
1981	-	4.29%
1982	-	3.98%
1983	-	3.67%
1984	-	3.35%
1985	8.62%	3.02%
1986	8.2%	2.74%
1987	7.81%	2.54%
1988	7.43%	2.41%
1989	7.08%	2.74%
1990	6.74%	2.33%
1991	6.41%	2.32%
1992	6.09%	2.29%
1993	5.78%	2.22%
1994	5.49%	2.14%
1995	5.22%	2.05%
1996	4.97%	1.95%
1997	4.74%	1.86%
1998	4.52%	1.76%
1999	4.32%	1.69%
2000	4.13%	1.63%
2001	3.96%	1.58%
2002	3.81%	1.55%
2003	3.66%	1.52%
2004	3.53%	2.88%
2005	3.41%	1.4%
2006	3.29%	1.33%
2007	3.15%	1.26%
2008	3%	1.2%
2009	2.84%	2.08%
2010	2.66%	1.12%
2011	2.48%	1.08%
2012	2.29%	1.03%
2013	2.11%	0.98%
2014	1.93%	0.92%
2015	1.76%	0.87%
2016	1.61%	0.83%
2017	1.47%	0.79%
2018	1.34%	0.76%
2019	1.22%	0.72%
2020	1.11%	0.69%
2021	1.02%	0.66%
2022	0.95%	0.64%
2023	0.89%	0.61%