Fertility & birth rates in Japan and Sao Tome and Principe

Fertility rate in Japan vs Sao Tome and Principe by year

Chart Table

Japan

Sao Tome and Principe

1x

Year	Fertility rate
	Japan	Sao Tome
2023	1.2	3.64
2022	1.26	3.7
2021	1.3	3.76
2020	1.33	3.83
2019	1.36	3.9
2018	1.42	3.98
2017	1.43	4.07
2016	1.44	4.2
2015	1.45	4.35
2014	1.42	4.49
2013	1.43	4.58
2012	1.41	4.66
2011	1.39	4.72
2010	1.39	4.77
2009	1.37	4.84
2008	1.37	4.91
2007	1.34	4.96
2006	1.32	4.93
2005	1.26	4.94
2004	1.29	4.96
2003	1.29	5.01
2002	1.32	5.06
2001	1.33	5.1
2000	1.36	5.16
1999	1.34	5.23
1998	1.38	5.3
1997	1.39	5.4
1996	1.43	5.47
1995	1.42	5.55
1994	1.5	5.56
1993	1.46	5.64
1992	1.5	5.7
1991	1.53	5.77
1990	1.54	5.83
1989	1.57	5.88
1988	1.66	5.94
1987	1.69	5.99
1986	1.72	6.05
1985	1.76	6.1
1984	1.81	6.16
1983	1.8	6.22
1982	1.77	6.28
1981	1.74	6.33
1980	1.75	6.39
1979	1.77	6.43
1978	1.79	6.47
1977	1.8	6.5
1976	1.85	6.52
1975	1.91	6.53
1974	2.05	6.53
1973	2.14	6.53
1972	2.14	6.51
1971	2.16	6.49
1970	2.13	6.47
1969	2.13	6.44
1968	2.13	6.42
1967	2.23	6.39
1966	1.58	6.37
1965	2.14	6.35
1964	2.05	6.33
1963	2	6.31
1962	1.98	6.28
1961	1.96	6.26
1960	2	6.24

According to the latest available data on birth rates, the fertility rate in Japan was 1.2 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 Japan vs Sao Tome and Principe population clock for a dynamic visualization of the changing population.

Natural population change by year

Chart Table

Japan

Sao Tome and Principe

1x

Year	Natural population change
	Japan	Sao Tome
2023	-871,617	5,221
2022	-825,825	5,102
2021	-640,976	4,954
2020	-542,923	4,874
2019	-531,858	4,932
2018	-456,520	4,957
2017	-406,310	5,007
2016	-343,106	5,125
2015	-292,424	5,269
2014	-267,279	5,381
2013	-242,146	5,449
2012	-229,733	5,501
2011	-204,533	5,445
2010	-128,070	5,391
2009	-76,828	5,349
2008	-51,225	5,297
2007	-25,600	5,226
2006	12,785	5,057
2005	-25,554	4,897
2004	76,656	4,810
2003	114,946	4,702
2002	178,423	4,591
2001	203,438	4,471
2000	228,317	4,334
1999	202,610	4,221
1998	265,440	4,120
1997	277,325	4,041
1996	314,392	3,993
1995	276,039	3,948
1994	363,017	3,860
1993	312,073	3,841
1992	360,833	3,822
1991	396,685	3,801
1990	407,478	3,719
1989	467,662	3,576
1988	527,085	3,544
1987	598,138	3,440
1986	631,706	3,180
1985	676,687	3,242
1984	756,523	3,163
1983	775,495	3,100
1982	805,664	3,047
1981	811,861	3,015
1980	864,372	2,965
1979	950,298	2,893
1978	1,011,234	2,800
1977	1,070,397	2,705
1976	1,127,750	2,608
1975	1,204,989	2,515
1974	1,332,960	2,422
1973	1,391,449	2,329
1972	1,372,006	2,232
1971	1,331,782	2,127
1970	1,230,496	1,980
1969	1,195,962	1,862
1968	1,191,930	1,767
1967	1,258,475	1,693
1966	682,072	1,642
1965	1,126,448	1,611
1964	1,046,553	1,600
1963	987,770	1,609
1962	901,864	1,625
1961	893,522	1,657
1960	894,874	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 -0.7% in Japan and +2.26% in Sao Tome and Principe.

For the past 10 years, the annual natural population change has been -0.41% in Japan and +2.4% in Sao Tome and Principe.

Birth rate in Japan vs Sao Tome and Principe by year

Chart Table

Japan

Sao Tome and Principe

Annual births per 1,000 people

1x

Year	Annual births per 1,000 people
	Japan	Sao Tome
2023	6	28.2
2022	6.3	28.3
2021	6.6	28.5
2020	6.8	28.6
2019	7	29.2
2018	7.4	29.8
2017	7.6	30.6
2016	7.8	31.7
2015	8	33
2014	8	34.3
2013	8.2	35.4
2012	8.2	36.4
2011	8.3	36.8
2010	8.5	37.3
2009	8.5	37.9
2008	8.7	38.5
2007	8.6	38.9
2006	8.7	38.9
2005	8.4	39
2004	8.8	39.2
2003	8.9	39.6
2002	9.2	39.8
2001	9.3	40
2000	9.5	39.7
1999	9.4	39.4
1998	9.6	39.2
1997	9.5	39.2
1996	9.7	39.3
1995	9.6	39.5
1994	10	39.4
1993	9.6	39.8
1992	9.8	40.2
1991	9.9	40.7
1990	10	40.7
1989	10.2	40.9
1988	10.8	40.9
1987	11.1	41
1986	11.4	41
1985	11.9	41
1984	12.5	41.1
1983	12.7	41.2
1982	12.8	41.3
1981	13	41.5
1980	13.6	41.6
1979	14.2	41.6
1978	14.9	41.4
1977	15.5	41.3
1976	16.3	41.1
1975	17.1	40.9
1974	18.6	40.6
1973	19.4	40.3
1972	19.3	39.9
1971	19.2	39.5
1970	18.8	38.8
1969	18.5	38.2
1968	18.6	37.8
1967	19.4	37.7
1966	13.7	38
1965	18.6	38.6
1964	17.7	39.7
1963	17.3	41.1
1962	17	42.7
1961	16.9	44.6
1960	17.2	44.6

The latest reported birth rate per 1,000 people in 2023 was 6 in Japan and 28.2 in Sao Tome and Principe, compared with 17.2 and 44.6, respectively, in 1960.

Children 0-14 years as share of population

Chart Table

Japan

Factual

UN forecast

Sao Tome and Principe

Factual

UN forecast

1x

Year	Young
	Japan	Sao Tome
2100	11.5%	19.5%
2099	11.5%	19.6%
2098	11.5%	19.8%
2097	11.5%	19.9%
2096	11.6%	20%
2095	11.6%	20.2%
2094	11.6%	20.3%
2093	11.7%	20.4%
2092	11.7%	20.6%
2091	11.8%	20.7%
2090	11.8%	20.9%
2089	11.8%	21.1%
2088	11.8%	21.2%
2087	11.9%	21.4%
2086	11.9%	21.6%
2085	11.8%	21.8%
2084	11.8%	22%
2083	11.8%	22.2%
2082	11.8%	22.4%
2081	11.7%	22.6%
2080	11.6%	22.9%
2079	11.6%	23.1%
2078	11.5%	23.3%
2077	11.4%	23.5%
2076	11.3%	23.7%
2075	11.2%	24%
2074	11.1%	24.2%
2073	11.1%	24.4%
2072	11%	24.6%
2071	10.9%	24.8%
2070	10.9%	25%
2069	10.8%	25.2%
2068	10.8%	25.4%
2067	10.8%	25.6%
2066	10.8%	25.9%
2065	10.8%	26.1%
2064	10.8%	26.3%
2063	10.8%	26.5%
2062	10.9%	26.8%
2061	10.9%	27%
2060	11%	27.3%
2059	11%	27.5%
2058	11.1%	27.8%
2057	11.1%	28.1%
2056	11.2%	28.4%
2055	11.2%	28.7%
2054	11.3%	29%
2053	11.3%	29.4%
2052	11.3%	29.7%
2051	11.3%	30.1%
2050	11.2%	30.4%
2049	11.2%	30.8%
2048	11.1%	31.1%
2047	11.1%	31.5%
2046	11%	31.8%
2045	10.9%	32.1%
2044	10.8%	32.5%
2043	10.7%	32.8%
2042	10.6%	33.1%
2041	10.5%	33.4%
2040	10.4%	33.6%
2039	10.3%	33.9%
2038	10.2%	34.1%
2037	10.1%	34.4%
2036	10.1%	34.6%
2035	10.1%	34.7%
2034	10.1%	34.9%
2033	10.1%	35.1%
2032	10.2%	35.3%
2031	10.3%	35.5%
2030	10.5%	35.8%
2029	10.6%	36.1%
2028	10.8%	36.6%
2027	11%	37%
2026	11.1%	37.3%
2025	11.3%	37.6%
2024	11.4%	37.8%
2023	11.6%	38.3%
2022	11.9%	38.8%
2021	12%	39.4%
2020	12.2%	39.9%
2019	12.4%	40.5%
2018	12.5%	40.9%
2017	12.6%	41.4%
2016	12.7%	41.7%
2015	12.8%	41.9%
2014	13%	42%
2013	13.1%	42%
2012	13.2%	42%
2011	13.3%	42%
2010	13.4%	42.1%
2009	13.5%	42.1%
2008	13.5%	42.1%
2007	13.6%	42%
2006	13.7%	42%
2005	13.8%	42%
2004	13.8%	42.1%
2003	13.9%	42.2%
2002	14.1%	42.3%
2001	14.2%	42.5%
2000	14.4%	42.8%
1999	14.6%	43.4%
1998	14.8%	43.9%
1997	15.1%	44.3%
1996	15.3%	44.7%
1995	15.6%	44.9%
1994	16%	45.1%
1993	16.4%	45.2%
1992	16.9%	45.2%
1991	17.4%	45.1%
1990	18%	45.1%
1989	18.8%	45%
1988	19.5%	45%
1987	20.3%	44.9%
1986	21%	44.7%
1985	21.7%	44.5%
1984	22.2%	44.4%
1983	22.6%	44.5%
1982	23.1%	44.5%
1981	23.3%	44.7%
1980	23.4%	44.9%
1979	23.7%	45.1%
1978	23.8%	45.2%
1977	23.9%	45.3%
1976	23.9%	45.4%
1975	23.8%	45.5%
1974	23.8%	45.6%
1973	23.6%	45.7%
1972	23.4%	45.9%
1971	23.3%	46.1%
1970	23.3%	46.2%
1969	23.4%	45.8%
1968	23.5%	44.9%
1967	23.8%	44%
1966	24.4%	42.9%
1965	25.1%	41.6%
1964	25.8%	40.2%
1963	26.8%	38.5%
1962	28%	36.6%
1961	29.1%	34.3%
1960	29.8%	32.9%

Children aged 0-14 make up 11.4% of the population in Japan and 37.8% in Sao Tome and Principe in 2024, compared to 18% and 45.1% respectively in 1990.

Demographics of Japan and Sao Tome and Principe compared.

Maternal mortality chart: Japan vs Sao Tome and Principe

Chart Table

Japan

Sao Tome and Principe

1x

Year	Maternal mortality per 100K births
	Japan	Sao Tome
2023	3	75
2022	5	82
2021	4	98
2020	4	92
2019	5	95
2018	5	100
2017	5	110
2016	5	119
2015	5	128
2014	5	138
2013	5	150
2012	6	158
2011	6	164
2010	6	170
2009	6	172
2008	6	174
2007	6	174
2006	7	177
2005	7	181
2004	7	177
2003	8	178
2002	8	179
2001	8	178
2000	9	180
1999	9	179
1998	10	175
1997	10	173
1996	11	171
1995	11	172
1994	11	168
1993	12	166
1992	13	164
1991	13	166
1990	14	164
1989	15	167
1988	16	157
1987	17	161
1986	18	175
1985	19	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 Japan, compared to 75 deaths in Sao Tome and Principe.

Under-five mortality rates

Chart Table

Japan

Sao Tome and Principe

Probability that a newborn baby will die before reaching age five

1x

Year	Under 5 mortality rate
	Japan	Sao Tome
2023	0.24%	1.39%
2022	0.24%	1.46%
2021	0.24%	1.53%
2020	0.24%	1.6%
2019	0.25%	1.7%
2018	0.25%	1.81%
2017	0.26%	1.95%
2016	0.27%	2.11%
2015	0.28%	2.31%
2014	0.29%	2.54%
2013	0.3%	2.77%
2012	0.31%	3.04%
2011	0.33%	3.33%
2010	0.33%	3.63%
2009	0.34%	3.95%
2008	0.34%	4.3%
2007	0.35%	4.68%
2006	0.36%	5.11%
2005	0.37%	5.56%
2004	0.39%	6.05%
2003	0.4%	6.57%
2002	0.41%	7.1%
2001	0.43%	7.66%
2000	0.45%	8.21%
1999	0.47%	8.76%
1998	0.5%	9.26%
1997	0.52%	9.73%
1996	0.55%	10.1%
1995	0.57%	10.4%
1994	0.59%	10.7%
1993	0.6%	10.8%
1992	0.61%	10.9%
1991	0.62%	10.9%
1990	0.63%	10.8%
1989	0.64%	10.7%
1988	0.66%	10.6%
1987	0.68%	10.4%
1986	0.71%	11.4%
1985	0.75%	9.99%
1984	0.79%	9.77%
1983	0.83%	9.56%
1982	0.88%	9.37%
1981	0.93%	9.21%
1980	0.99%	9.1%
1979	1.05%	9.02%
1978	1.11%	8.96%
1977	1.18%	8.93%
1976	1.25%	8.89%
1975	1.33%	8.85%
1974	1.41%	8.79%
1973	1.49%	8.73%
1972	1.57%	8.67%
1971	1.65%	8.63%
1970	1.75%	8.64%
1969	1.85%	8.71%
1968	1.96%	8.85%
1967	2.1%	9.04%
1966	2.26%	9.29%
1965	2.46%	9.56%
1964	2.7%	-
1963	2.98%	-
1962	3.29%	-
1961	3.62%	-
1960	3.97%	-

The chance that a newborn baby will die before reaching age five is 0.24% in Japan and 1.39% in Sao Tome and Principe. Above is a chart with historical data on under-five mortality rates.