Fertility & birth rates in Iceland and Sao Tome and Principe

Fertility rate in Iceland vs Sao Tome and Principe by year

Chart Table

Iceland

Sao Tome and Principe

1x

Year	Fertility rate
	Iceland	Sao Tome
2023	1.59	3.64
2022	1.59	3.7
2021	1.82	3.76
2020	1.72	3.83
2019	1.74	3.9
2018	1.71	3.98
2017	1.71	4.07
2016	1.74	4.2
2015	1.8	4.35
2014	1.93	4.49
2013	1.93	4.58
2012	2.04	4.66
2011	2.02	4.72
2010	2.2	4.77
2009	2.23	4.84
2008	2.15	4.91
2007	2.09	4.96
2006	2.08	4.93
2005	2.05	4.94
2004	2.04	4.96
2003	1.99	5.01
2002	1.93	5.06
2001	1.95	5.1
2000	2.08	5.16
1999	1.99	5.23
1998	2.05	5.3
1997	2.04	5.4
1996	2.12	5.47
1995	2.08	5.55
1994	2.14	5.56
1993	2.22	5.64
1992	2.21	5.7
1991	2.18	5.77
1990	2.3	5.83
1989	2.19	5.88
1988	2.26	5.94
1987	2.06	5.99
1986	1.92	6.05
1985	1.93	6.1
1984	2.08	6.16
1983	2.24	6.22
1982	2.27	6.28
1981	2.33	6.33
1980	2.48	6.39
1979	2.49	6.43
1978	2.35	6.47
1977	2.31	6.5
1976	2.52	6.52
1975	2.65	6.53
1974	2.66	6.53
1973	2.94	6.53
1972	3.09	6.51
1971	2.92	6.49
1970	2.81	6.47
1969	2.99	6.44
1968	3.06	6.42
1967	3.28	6.39
1966	3.59	6.37
1965	3.73	6.35
1964	3.88	6.33
1963	3.99	6.31
1962	3.98	6.28
1961	3.88	6.26
1960	4.29	6.24

According to the latest available data on birth rates, the fertility rate in Iceland was 1.59 children per woman in 2023, compared to 3.64 in Sao Tome and Principe in 2023. The replacement level is considered to be 2.1 children per woman.

Check Iceland vs Sao Tome and Principe population clock for a dynamic visualization of the changing population.

Natural population change by year

Chart Table

Iceland

Sao Tome and Principe

1x

Year	Natural population change
	Iceland	Sao Tome
2023	1,697	5,221
2022	1,719	5,102
2021	2,534	4,954
2020	2,199	4,874
2019	2,163	4,932
2018	1,975	4,957
2017	1,854	5,007
2016	1,711	5,125
2015	1,952	5,269
2014	2,324	5,381
2013	2,169	5,449
2012	2,566	5,501
2011	2,521	5,445
2010	2,862	5,391
2009	3,026	5,349
2008	2,825	5,297
2007	2,617	5,226
2006	2,491	5,057
2005	2,433	4,897
2004	2,425	4,810
2003	2,317	4,702
2002	2,243	4,591
2001	2,365	4,471
2000	2,475	4,334
1999	2,192	4,221
1998	2,357	4,120
1997	2,305	4,041
1996	2,447	3,993
1995	2,354	3,948
1994	2,713	3,860
1993	2,875	3,841
1992	2,898	3,822
1991	2,733	3,801
1990	3,058	3,719
1989	2,832	3,576
1988	2,847	3,544
1987	2,360	3,440
1986	2,384	3,180
1985	2,221	3,242
1984	2,539	3,163
1983	2,702	3,100
1982	2,736	3,047
1981	2,677	3,015
1980	2,966	2,965
1979	2,980	2,893
1978	2,727	2,800
1977	2,551	2,705
1976	2,951	2,608
1975	2,965	2,515
1974	2,776	2,422
1973	3,121	2,329
1972	3,241	2,232
1971	2,782	2,127
1970	2,576	1,980
1969	2,766	1,862
1968	2,841	1,767
1967	3,021	1,693
1966	3,305	1,642
1965	3,442	1,611
1964	3,459	1,600
1963	3,490	1,609
1962	3,465	1,625
1961	3,312	1,657
1960	3,758	1,547

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 +0.44% in Iceland and +2.26% in Sao Tome and Principe.

For the past 10 years, the annual natural population change has been +0.57% in Iceland and +2.4% in Sao Tome and Principe.

Birth rate in Iceland vs Sao Tome and Principe by year

Chart Table

Iceland

Sao Tome and Principe

Annual births per 1,000 people

1x

Year	Annual births per 1,000 people
	Iceland	Sao Tome
2023	11	28.2
2022	11.5	28.3
2021	13.1	28.5
2020	12.3	28.6
2019	12.3	29.2
2018	12	29.8
2017	11.9	30.6
2016	12	31.7
2015	12.5	33
2014	13.4	34.3
2013	13.4	35.4
2012	14.1	36.4
2011	14.1	36.8
2010	15.4	37.3
2009	15.8	37.9
2008	15.2	38.5
2007	14.6	38.9
2006	14.5	38.9
2005	14.4	39
2004	14.5	39.2
2003	14.3	39.6
2002	14.1	39.8
2001	14.4	40
2000	15.3	39.7
1999	14.8	39.4
1998	15.2	39.2
1997	15.3	39.2
1996	16.1	39.3
1995	16	39.5
1994	16.7	39.4
1993	17.5	39.8
1992	17.7	40.2
1991	17.6	40.7
1990	18.7	40.7
1989	18	40.9
1988	18.7	40.9
1987	16.6	41
1986	16.4	41
1985	16	41
1984	17.2	41.1
1983	18.4	41.2
1982	18.5	41.3
1981	18.8	41.5
1980	19.8	41.6
1979	19.8	41.6
1978	18.6	41.4
1977	18	41.3
1976	19.5	41.1
1975	20.1	40.9
1974	19.9	40.6
1973	21.7	40.3
1972	22.4	39.9
1971	20.8	39.5
1970	19.7	38.8
1969	20.7	38.2
1968	21	37.8
1967	22.2	37.7
1966	24	38
1965	24.6	38.6
1964	25.3	39.7
1963	26	41.1
1962	25.8	42.7
1961	25.5	44.6
1960	28	44.6

The latest reported birth rate per 1,000 people in 2023 was 11 in Iceland and 28.2 in Sao Tome and Principe, compared with 28 and 44.6, respectively, in 1960.

Children 0-14 years as share of population

Chart Table

Iceland

Factual

UN forecast

Sao Tome and Principe

Factual

UN forecast

1x

Year	Young
	Iceland	Sao Tome
2100	11.8%	19.5%
2099	11.8%	19.6%
2098	11.8%	19.8%
2097	11.8%	19.9%
2096	11.9%	20%
2095	11.9%	20.2%
2094	11.9%	20.3%
2093	11.9%	20.4%
2092	11.9%	20.6%
2091	11.9%	20.7%
2090	11.9%	20.9%
2089	11.9%	21.1%
2088	11.9%	21.2%
2087	11.9%	21.4%
2086	11.9%	21.6%
2085	11.9%	21.8%
2084	11.9%	22%
2083	11.9%	22.2%
2082	11.9%	22.4%
2081	11.9%	22.6%
2080	11.9%	22.9%
2079	12%	23.1%
2078	12%	23.3%
2077	12%	23.5%
2076	12%	23.7%
2075	12.1%	24%
2074	12.1%	24.2%
2073	12.1%	24.4%
2072	12.2%	24.6%
2071	12.2%	24.8%
2070	12.3%	25%
2069	12.4%	25.2%
2068	12.4%	25.4%
2067	12.5%	25.6%
2066	12.6%	25.9%
2065	12.6%	26.1%
2064	12.7%	26.3%
2063	12.8%	26.5%
2062	12.8%	26.8%
2061	12.9%	27%
2060	13%	27.3%
2059	13%	27.5%
2058	13.1%	27.8%
2057	13.2%	28.1%
2056	13.2%	28.4%
2055	13.3%	28.7%
2054	13.4%	29%
2053	13.4%	29.4%
2052	13.5%	29.7%
2051	13.6%	30.1%
2050	13.7%	30.4%
2049	13.8%	30.8%
2048	13.8%	31.1%
2047	14%	31.5%
2046	14.1%	31.8%
2045	14.2%	32.1%
2044	14.3%	32.5%
2043	14.4%	32.8%
2042	14.6%	33.1%
2041	14.8%	33.4%
2040	14.9%	33.6%
2039	15.1%	33.9%
2038	15.3%	34.1%
2037	15.5%	34.4%
2036	15.8%	34.6%
2035	16%	34.7%
2034	16.2%	34.9%
2033	16.4%	35.1%
2032	16.5%	35.3%
2031	16.6%	35.5%
2030	16.7%	35.8%
2029	16.9%	36.1%
2028	17%	36.6%
2027	17.2%	37%
2026	17.4%	37.3%
2025	17.6%	37.6%
2024	17.8%	37.8%
2023	18.1%	38.3%
2022	18.4%	38.8%
2021	18.6%	39.4%
2020	18.7%	39.9%
2019	18.9%	40.5%
2018	19.2%	40.9%
2017	19.6%	41.4%
2016	19.9%	41.7%
2015	20.2%	41.9%
2014	20.4%	42%
2013	20.6%	42%
2012	20.7%	42%
2011	20.8%	42%
2010	20.9%	42.1%
2009	20.9%	42.1%
2008	20.9%	42.1%
2007	21.1%	42%
2006	21.5%	42%
2005	22.1%	42%
2004	22.5%	42.1%
2003	22.8%	42.2%
2002	23%	42.3%
2001	23.2%	42.5%
2000	23.3%	42.8%
1999	23.4%	43.4%
1998	23.6%	43.9%
1997	23.9%	44.3%
1996	24.1%	44.7%
1995	24.4%	44.9%
1994	24.7%	45.1%
1993	24.8%	45.2%
1992	24.8%	45.2%
1991	24.8%	45.1%
1990	25%	45.1%
1989	25%	45%
1988	25.2%	45%
1987	25.6%	44.9%
1986	25.9%	44.7%
1985	26.2%	44.5%
1984	26.5%	44.4%
1983	26.7%	44.5%
1982	26.9%	44.5%
1981	27.2%	44.7%
1980	27.5%	44.9%
1979	27.9%	45.1%
1978	28.4%	45.2%
1977	29%	45.3%
1976	29.5%	45.4%
1975	30.1%	45.5%
1974	30.7%	45.6%
1973	31.2%	45.7%
1972	31.6%	45.9%
1971	32.1%	46.1%
1970	32.6%	46.2%
1969	33.2%	45.8%
1968	33.6%	44.9%
1967	34%	44%
1966	34.3%	42.9%
1965	34.5%	41.6%
1964	34.7%	40.2%
1963	34.9%	38.5%
1962	34.9%	36.6%
1961	35%	34.3%
1960	34.9%	32.9%

Children aged 0-14 make up 17.8% of the population in Iceland and 37.8% in Sao Tome and Principe in 2024, compared to 25% and 45.1% respectively in 1990.

Demographics of Iceland and Sao Tome and Principe compared.

Maternal mortality chart: Iceland vs Sao Tome and Principe

Chart Table

Iceland

Sao Tome and Principe

1x

Year	Maternal mortality per 100K births
	Iceland	Sao Tome
2023	3	75
2022	5	82
2021	5	98
2020	12	92
2019	4	95
2018	4	100
2017	3	110
2016	3	119
2015	4	128
2014	4	138
2013	4	150
2012	4	158
2011	4	164
2010	5	170
2009	5	172
2008	4	174
2007	5	174
2006	5	177
2005	5	181
2004	6	177
2003	6	178
2002	7	179
2001	6	178
2000	7	180
1999	7	179
1998	8	175
1997	8	173
1996	7	171
1995	13	172
1994	9	168
1993	10	166
1992	12	164
1991	11	166
1990	13	164
1989	14	167
1988	11	157
1987	13	161
1986	15	175
1985	11	159

The maternal mortality rate, which is the probability of dying during childbirth or within 42 days of pregnancy termination, is 3 deaths per 100,000 live births in Iceland, compared to 75 deaths in Sao Tome and Principe.

Under-five mortality rates

Chart Table

Iceland

Sao Tome and Principe

Probability that a newborn baby will die before reaching age five

1x

Year	Under 5 mortality rate
	Iceland	Sao Tome
2023	0.26%	1.39%
2022	0.26%	1.46%
2021	0.27%	1.53%
2020	0.27%	1.6%
2019	0.27%	1.7%
2018	0.27%	1.81%
2017	0.26%	1.95%
2016	0.26%	2.11%
2015	0.26%	2.31%
2014	0.26%	2.54%
2013	0.26%	2.77%
2012	0.26%	3.04%
2011	0.27%	3.33%
2010	0.27%	3.63%
2009	0.27%	3.95%
2008	0.28%	4.3%
2007	0.29%	4.68%
2006	0.3%	5.11%
2005	0.31%	5.56%
2004	0.33%	6.05%
2003	0.34%	6.57%
2002	0.36%	7.1%
2001	0.38%	7.66%
2000	0.4%	8.21%
1999	0.42%	8.76%
1998	0.45%	9.26%
1997	0.47%	9.73%
1996	0.49%	10.1%
1995	0.52%	10.4%
1994	0.54%	10.7%
1993	0.56%	10.8%
1992	0.58%	10.9%
1991	0.61%	10.9%
1990	0.63%	10.8%
1989	0.65%	10.7%
1988	0.67%	10.6%
1987	0.7%	10.4%
1986	0.73%	11.4%
1985	0.75%	9.99%
1984	0.79%	9.77%
1983	0.83%	9.56%
1982	0.87%	9.37%
1981	0.92%	9.21%
1980	0.97%	9.1%
1979	1.03%	9.02%
1978	1.09%	8.96%
1977	1.15%	8.93%
1976	1.22%	8.89%
1975	1.29%	8.85%
1974	1.35%	8.79%
1973	1.41%	8.73%
1972	1.48%	8.67%
1971	1.54%	8.63%
1970	1.6%	8.64%
1969	1.66%	8.71%
1968	1.72%	8.85%
1967	1.79%	9.04%
1966	1.85%	9.29%
1965	1.92%	9.56%
1964	1.97%	-
1963	2.02%	-
1962	2.07%	-
1961	2.11%	-
1960	2.14%	-

The chance that a newborn baby will die before reaching age five is 0.26% in Iceland and 1.39% in Sao Tome and Principe. Above is a chart with historical data on under-five mortality rates.