Fertility & birth rates in Nauru and San Marino

Fertility rate in Nauru vs San Marino by year

Chart Table

Nauru

San Marino

1x

Year	Fertility rate
	Nauru	San Marino
2023	3.33	1.15
2022	3.38	1.14
2021	3.43	1.13
2020	3.47	1.11
2019	3.53	1.1
2018	3.68	1.08
2017	3.88	1.05
2016	4.03	1.13
2015	4.08	1.2
2014	4.09	1.26
2013	4.1	1.48
2012	4.12	1.29
2011	4.12	1.46
2010	4.02	1.46
2009	3.85	1.36
2008	3.67	1.52
2007	3.5	1.26
2006	3.4	1.24
2005	3.38	1.2
2004	3.38	1.3
2003	3.39	1.3
2002	3.4	1.43
2001	3.46	1.52
2000	3.54	1.4
1999	3.64	1.29
1998	3.68	1.26
1997	3.74	1.24
1996	3.78	1.21
1995	3.81	1.17
1994	3.84	1.14
1993	3.89	1.12
1992	3.95	1.15
1991	3.99	1.17
1990	4.02	1.16
1989	4.07	1.15
1988	4.11	1.14
1987	4.14	1.14
1986	4.15	1.15
1985	4.14	1.17
1984	4.11	1.2
1983	4.06	1.25
1982	3.99	1.3
1981	3.94	1.41
1980	3.88	1.53
1979	3.85	1.63
1978	3.84	1.77
1977	3.86	1.87
1976	3.9	1.95
1975	3.97	2.05
1974	4.07	2.13
1973	4.19	2.23
1972	4.36	2.29
1971	4.54	2.33
1970	4.74	2.32
1969	4.94	2.31
1968	5.14	2.3
1967	5.29	2.31
1966	5.41	2.33
1965	5.48	2.33
1964	5.47	2.37
1963	5.44	2.4
1962	5.42	2.43
1961	5.38	2.68
1960	5.34	2.43

According to the latest available data on birth rates, the fertility rate in Nauru was 3.33 children per woman in 2023, compared to 1.15 in San Marino in 2023. The replacement level is considered to be 2.1 children per woman.

Check Nauru vs San Marino population clock for a dynamic visualization of the changing population.

Natural population change by year

Chart Table

Nauru

San Marino

1x

Year	Natural population change
	Nauru	San Marino
2023	213	-92
2022	226	-58
2021	236	-99
2020	246	-122
2019	255	-17
2018	265	-11
2017	279	-51
2016	289	10
2015	291	36
2014	290	46
2013	291	73
2012	292	54
2011	291	105
2010	281	126
2009	261	145
2008	240	159
2007	222	69
2006	209	75
2005	204	66
2004	202	121
2003	201	79
2002	200	112
2001	203	132
2000	207	107
1999	212	80
1998	214	74
1997	218	71
1996	221	63
1995	225	51
1994	229	43
1993	235	38
1992	237	42
1991	225	45
1990	214	41
1989	204	36
1988	195	34
1987	186	31
1986	178	40
1985	171	44
1984	166	46
1983	163	54
1982	162	61
1981	157	76
1980	145	90
1979	130	104
1978	111	121
1977	89	117
1976	79	126
1975	70	141
1974	63	153
1973	57	167
1972	53	173
1971	50	174
1970	49	173
1969	71	173
1968	116	171
1967	117	171
1966	123	173
1965	113	169
1964	100	163
1963	88	158
1962	75	155
1961	70	174
1960	72	139

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 -0.27% in San Marino.

For the past 10 years, the annual natural population change has been +2.28% in Nauru and -0.1% in San Marino.

Birth rate in Nauru vs San Marino by year

Chart Table

Nauru

San Marino

Annual births per 1,000 people

1x

Year	Annual births per 1,000 people
	Nauru	San Marino
2023	25.5	5.6
2022	26.6	6.1
2021	27.8	6.2
2020	28.7	6.4
2019	29.6	6.7
2018	30.7	6.8
2017	32.2	6.7
2016	33.6	7.9
2015	34.2	8.2
2014	34.7	9.1
2013	35.3	9.7
2012	36.1	8.7
2011	36.8	10
2010	36.1	10.3
2009	34.3	10.7
2008	32.3	11
2007	30.4	9.4
2006	29.1	10
2005	28.5	9.5
2004	28.1	10.4
2003	27.9	10.7
2002	27.8	11.9
2001	27.9	12.8
2000	28.2	12
1999	28.6	11.1
1998	28.7	11
1997	29	11
1996	29.4	10.8
1995	29.8	10.4
1994	30.3	10.2
1993	31.1	10
1992	31.8	10.2
1991	31.7	10.3
1990	31.7	10.1
1989	31.9	9.88
1988	32	9.73
1987	32	9.6
1986	31.9	9.48
1985	31.9	9.52
1984	31.8	9.63
1983	31.8	9.87
1982	31.8	10.2
1981	31.2	10.8
1980	29.7	11.5
1979	27.6	12.2
1978	25	13.1
1977	21.8	13
1976	20.1	14
1975	18.7	14.8
1974	17.4	15.4
1973	16.3	16.2
1972	15.6	16.5
1971	15.2	16.7
1970	15.1	17
1969	18.8	17.1
1968	27.2	17.1
1967	28.3	17.2
1966	29.9	17.5
1965	29.1	17.4
1964	28.2	17.4
1963	27	17.5
1962	25.6	17.7
1961	25.6	19.4
1960	26.9	17.5

The latest reported birth rate per 1,000 people in 2023 was 25.5 in Nauru and 5.6 in San Marino, compared with 26.9 and 17.5, respectively, in 1960.

Children 0-14 years as share of population

Chart Table

Nauru

Factual

UN forecast

San Marino

Factual

UN forecast

1x

Year	Young
	Nauru	San Marino
2100	20.7%	11.9%
2099	20.8%	11.9%
2098	21%	11.9%
2097	21.1%	12%
2096	21.2%	12%
2095	21.3%	12%
2094	21.4%	12.1%
2093	21.6%	12.1%
2092	21.7%	12.2%
2091	21.9%	12.2%
2090	22%	12.3%
2089	22.2%	12.3%
2088	22.4%	12.3%
2087	22.5%	12.4%
2086	22.7%	12.4%
2085	22.9%	12.4%
2084	23.1%	12.4%
2083	23.3%	12.4%
2082	23.4%	12.4%
2081	23.6%	12.3%
2080	23.8%	12.3%
2079	23.9%	12.2%
2078	24.1%	12.2%
2077	24.2%	12.1%
2076	24.3%	12%
2075	24.5%	11.9%
2074	24.6%	11.8%
2073	24.7%	11.7%
2072	24.9%	11.6%
2071	25%	11.5%
2070	25.1%	11.5%
2069	25.3%	11.4%
2068	25.4%	11.4%
2067	25.6%	11.3%
2066	25.8%	11.3%
2065	26%	11.3%
2064	26.2%	11.3%
2063	26.4%	11.3%
2062	26.7%	11.4%
2061	26.9%	11.4%
2060	27.2%	11.5%
2059	27.5%	11.5%
2058	27.9%	11.6%
2057	28.2%	11.6%
2056	28.5%	11.7%
2055	28.8%	11.7%
2054	29.1%	11.7%
2053	29.4%	11.8%
2052	29.7%	11.7%
2051	29.9%	11.7%
2050	30.2%	11.7%
2049	30.4%	11.6%
2048	30.6%	11.5%
2047	30.7%	11.4%
2046	30.8%	11.2%
2045	30.9%	11.1%
2044	30.9%	11%
2043	31%	10.8%
2042	31%	10.6%
2041	31%	10.5%
2040	31%	10.3%
2039	31.1%	10.2%
2038	31.2%	10%
2037	31.4%	9.93%
2036	31.8%	9.9%
2035	32%	9.89%
2034	32.3%	9.93%
2033	32.5%	9.99%
2032	32.9%	10%
2031	33.4%	10.2%
2030	34%	10.4%
2029	34.7%	10.6%
2028	35.3%	11%
2027	36.1%	11.2%
2026	36.8%	11.6%
2025	37.5%	12.1%
2024	37.8%	12.3%
2023	38.2%	12.7%
2022	38.3%	13%
2021	38.3%	13.2%
2020	38%	13.4%
2019	37.6%	13.7%
2018	37.6%	14%
2017	38%	14.4%
2016	38.2%	14.7%
2015	38.2%	14.9%
2014	38.2%	15.1%
2013	38%	15.1%
2012	37.7%	15.2%
2011	37.1%	15.3%
2010	36.3%	15.4%
2009	35.8%	15.4%
2008	35.6%	15.4%
2007	35.7%	15.3%
2006	36.1%	15.3%
2005	36.6%	15.3%
2004	37.1%	15.2%
2003	37.7%	15.2%
2002	38.2%	15.1%
2001	38.5%	15%
2000	38.9%	14.9%
1999	39.4%	14.9%
1998	39.9%	14.9%
1997	40.5%	14.9%
1996	41.1%	14.9%
1995	41.7%	14.9%
1994	42.1%	15%
1993	42.5%	15.2%
1992	42.5%	15.4%
1991	42.1%	15.8%
1990	41.2%	16.1%
1989	40.2%	16.5%
1988	39.2%	17%
1987	38.3%	17.5%
1986	37.5%	18%
1985	36.5%	18.6%
1984	35.7%	19.1%
1983	34.6%	19.7%
1982	33.2%	20.3%
1981	31.9%	21%
1980	30.9%	21.7%
1979	30.6%	22.4%
1978	30.9%	23%
1977	31.9%	23.9%
1976	33.4%	24.7%
1975	34.9%	25.1%
1974	36.4%	25.4%
1973	38.1%	25.7%
1972	39.7%	25.9%
1971	41.3%	26%
1970	42.9%	25.9%
1969	43.4%	25.6%
1968	41.3%	25.3%
1967	39.5%	24.9%
1966	39.4%	24.5%
1965	38.6%	24.3%
1964	37.5%	24.5%
1963	36.5%	24.8%
1962	35.7%	25%
1961	35.2%	25%
1960	34.8%	25%

Children aged 0-14 make up 37.8% of the population in Nauru and 12.3% in San Marino in 2024, compared to 41.2% and 16.1% respectively in 1990.

Demographics of Nauru and San Marino compared.

Maternal mortality chart: Nauru vs San Marino

Chart Table

Nauru

San Marino

1x

Year	Maternal mortality per 100K births
	Nauru	San Marino
2023	273	8
2022	317	22
2021	266	35
2020	309	46
2019	267	7
2018	269	7
2017	259	7
2016	248	7
2015	253	8
2014	240	8
2013	247	8
2012	255	8
2011	260	8
2010	297	8
2009	300	8
2008	302	8
2007	303	8
2006	304	12
2005	328	12
2004	324	13
2003	323	13
2002	321	14
2001	299	14
2000	278	14
1999	277	9
1998	257	9
1997	218	10
1996	218	10
1995	219	10
1994	220	10
1993	219	11
1992	217	11
1991	216	11
1990	195	11
1989	198	12
1988	202	12
1987	206	12
1986	209	12
1985	191	12

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 8 deaths in San Marino.

Under-five mortality rates

Chart Table

Nauru

San Marino

Probability that a newborn baby will die before reaching age five

1x

Year	Under 5 mortality rate
	Nauru	San Marino
2023	0.89%	0.14%
2022	0.95%	0.15%
2021	1.02%	0.15%
2020	1.11%	0.16%
2019	1.22%	0.17%
2018	1.34%	0.17%
2017	1.47%	0.18%
2016	1.61%	0.19%
2015	1.76%	0.2%
2014	1.93%	0.21%
2013	2.11%	0.23%
2012	2.29%	0.24%
2011	2.48%	0.25%
2010	2.66%	0.27%
2009	2.84%	0.28%
2008	3%	0.3%
2007	3.15%	0.32%
2006	3.29%	0.34%
2005	3.41%	0.37%
2004	3.53%	0.39%
2003	3.66%	0.42%
2002	3.81%	0.46%
2001	3.96%	0.5%
2000	4.13%	0.54%
1999	4.32%	0.58%
1998	4.52%	0.63%
1997	4.74%	0.69%
1996	4.97%	0.75%
1995	5.22%	0.81%
1994	5.49%	0.89%
1993	5.78%	0.97%
1992	6.09%	1.06%
1991	6.41%	1.16%
1990	6.74%	1.27%
1989	7.08%	1.39%
1988	7.43%	1.52%
1987	7.81%	1.66%
1986	8.2%	1.82%
1985	8.62%	1.99%

The chance that a newborn baby will die before reaching age five is 0.89% in Nauru and 0.14% in San Marino. Above is a chart with historical data on under-five mortality rates.