Fertility & birth rates in Japan and Mauritania

Fertility rate in Japan vs Mauritania chart

According to the latest available data on birth rates, the fertility rate in Japan was 1.2 children per woman in 2023, compared to 4.7 in Mauritania in 2023. The replacement level is considered to be 2.1 children per woman.

Check Japan vs Mauritania population clock for a dynamic visualization of the changing population.

The chart below showcases historical changes in the birth rates.

Table

Year	Fertility rate
	Japan	Mauritania
1960	2	6.15
1961	1.96	6.2
1962	1.98	6.24
1963	2	6.31
1964	2.05	6.37
1965	2.14	6.44
1966	1.58	6.52
1967	2.23	6.57
1968	2.13	6.6
1969	2.13	6.64
1970	2.13	6.68
1971	2.16	6.7
1972	2.14	6.71
1973	2.14	6.72
1974	2.05	6.73
1975	1.91	6.71
1976	1.85	6.73
1977	1.8	6.74
1978	1.79	6.73
1979	1.77	6.7
1980	1.75	6.67
1981	1.74	6.64
1982	1.77	6.59
1983	1.8	6.54
1984	1.81	6.48
1985	1.76	6.42
1986	1.72	6.34
1987	1.69	6.27
1988	1.66	6.21
1989	1.57	6.2
1990	1.54	6.18
1991	1.53	6.16
1992	1.5	6.13
1993	1.46	6.09
1994	1.5	6.06
1995	1.42	5.96
1996	1.43	5.86
1997	1.39	5.74
1998	1.38	5.62
1999	1.34	5.52
2000	1.36	5.46
2001	1.33	5.41
2002	1.32	5.37
2003	1.29	5.36
2004	1.29	5.37
2005	1.26	5.38
2006	1.32	5.4
2007	1.34	5.43
2008	1.37	5.44
2009	1.37	5.41
2010	1.39	5.38
2011	1.39	5.38
2012	1.41	5.35
2013	1.43	5.32
2014	1.42	5.26
2015	1.45	5.21
2016	1.44	5.16
2017	1.43	5.11
2018	1.42	5.04
2019	1.36	4.98
2020	1.33	4.91
2021	1.3	4.85
2022	1.26	4.77
2023	1.2	4.7
2024	1.21	4.63
2025	1.22	4.56
2026	1.22	4.48
2027	1.23	4.42
2028	1.24	4.36
2029	1.25	4.29
2030	1.25	4.24
2031	1.26	4.18
2032	1.26	4.11
2033	1.27	4.02
2034	1.28	3.97
2035	1.28	3.9
2036	1.29	3.83
2037	1.29	3.78
2038	1.3	3.71
2039	1.3	3.66
2040	1.3	3.6
2041	1.31	3.55
2042	1.31	3.5
2043	1.31	3.45
2044	1.32	3.39
2045	1.32	3.35
2046	1.33	3.3
2047	1.33	3.26
2048	1.33	3.21
2049	1.34	3.17
2050	1.34	3.14

Children 0-14 years as share of population

Table

Year	Share of people 0-14 years old
	Japan	Mauritania
1960	29.8%	41.8%
1961	29.1%	41.8%
1962	28%	41.8%
1963	26.8%	41.8%
1964	25.8%	42%
1965	25.1%	42.4%
1966	24.4%	42.8%
1967	23.8%	43.2%
1968	23.5%	43.6%
1969	23.4%	44%
1970	23.3%	44.4%
1971	23.3%	44.7%
1972	23.4%	44.9%
1973	23.6%	45.2%
1974	23.8%	45.4%
1975	23.8%	45.5%
1976	23.9%	45.6%
1977	23.9%	45.7%
1978	23.8%	45.8%
1979	23.7%	45.9%
1980	23.4%	45.9%
1981	23.3%	45.9%
1982	23.1%	45.8%
1983	22.6%	45.8%
1984	22.2%	45.7%
1985	21.7%	45.6%
1986	21%	45.5%
1987	20.3%	45.4%
1988	19.5%	45.3%
1989	18.8%	45.4%
1990	18%	45.4%
1991	17.4%	45.3%
1992	16.9%	44.9%
1993	16.4%	44.4%
1994	16%	44.3%
1995	15.6%	44.4%
1996	15.3%	44.6%
1997	15.1%	44.7%
1998	14.8%	44.6%
1999	14.6%	44.4%
2000	14.4%	44.2%
2001	14.2%	44.1%
2002	14.1%	44.2%
2003	13.9%	44.2%
2004	13.8%	44.2%
2005	13.8%	44.2%
2006	13.7%	44.2%
2007	13.6%	44.3%
2008	13.5%	44.1%
2009	13.5%	43.9%
2010	13.4%	43.9%
2011	13.3%	43.9%
2012	13.2%	44.1%
2013	13.1%	44.2%
2014	13%	44.2%
2015	12.8%	44.3%
2016	12.7%	44.2%
2017	12.6%	44.2%
2018	12.5%	44.1%
2019	12.4%	44%
2020	12.2%	43.8%
2021	12%	43.6%
2022	11.9%	43.4%
2023	11.6%	43%
2024	11.4%	42.7%
2025	11.2%	42.4%
2026	11%	42%
2027	10.9%	41.7%
2028	10.7%	41.3%
2029	10.5%	41%
2030	10.4%	40.7%
2031	10.3%	40.4%
2032	10.2%	40%
2033	10.1%	39.7%
2034	10.1%	39.3%
2035	10.1%	39%
2036	10.1%	38.6%
2037	10.1%	38.3%
2038	10.2%	37.9%
2039	10.3%	37.6%
2040	10.4%	37.3%
2041	10.5%	36.9%
2042	10.6%	36.6%
2043	10.7%	36.2%
2044	10.8%	35.9%
2045	10.9%	35.5%
2046	11%	35.2%
2047	11.1%	34.8%
2048	11.2%	34.5%
2049	11.2%	34.1%
2050	11.2%	33.8%

Children aged 0-14 make up 11.4% of the population in Japan and 42.7% in Mauritania in 2024, compared to 18% and 45.4% respectively in 1990.

Demographics of Japan and Mauritania compared.

Natural population change in Japan vs Mauritania by year

For the past 10 years, the annual natural population change (excluding migration) has been -0.41% in Japan and +3% in Mauritania. 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
	Japan	Mauritania
1960	894,874	21,604
1961	893,522	22,781
1962	901,864	23,927
1963	987,770	25,250
1964	1,046,553	26,565
1965	1,126,448	28,028
1966	682,072	29,502
1967	1,258,475	30,853
1968	1,191,930	32,029
1969	1,195,962	33,252
1970	1,230,496	34,382
1971	1,331,782	35,279
1972	1,372,006	36,184
1973	1,391,449	37,122
1974	1,332,960	38,106
1975	1,204,989	38,975
1976	1,127,750	40,149
1977	1,070,397	41,352
1978	1,011,234	42,539
1979	950,298	43,537
1980	864,372	45,026
1981	811,861	46,641
1982	805,664	47,947
1983	775,495	49,187
1984	756,523	50,705
1985	676,687	52,125
1986	631,706	53,313
1987	598,138	55,037
1988	527,085	56,654
1989	467,662	58,666
1990	407,478	59,934
1991	396,685	61,782
1992	360,833	63,501
1993	312,073	68,167
1994	363,017	70,570
1995	276,039	72,244
1996	314,392	71,939
1997	277,325	71,327
1998	265,440	72,045
1999	202,610	73,554
2000	228,317	75,929
2001	203,438	78,769
2002	178,423	80,993
2003	114,946	83,804
2004	76,656	87,578
2005	-25,554	90,940
2006	12,785	94,991
2007	-25,600	98,895
2008	-51,225	102,432
2009	-76,828	105,273
2010	-128,070	108,121
2011	-204,533	111,165
2012	-229,733	113,489
2013	-242,146	115,558
2014	-267,279	118,792
2015	-292,424	122,092
2016	-343,106	125,342
2017	-406,310	128,562
2018	-456,520	131,584
2019	-531,858	134,460
2020	-542,923	134,899
2021	-640,976	137,557
2022	-825,825	142,451
2023	-871,617	145,164

Maternal mortality chart: Japan vs Mauritania

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 381 deaths in Mauritania.

Table

Year	Maternal mortality per 100K births
	Japan	Mauritania
1985	19	998
1986	18	961
1987	17	914
1988	16	887
1989	15	883
1990	14	858
1991	13	845
1992	13	811
1993	12	813
1994	11	809
1995	11	815
1996	11	813
1997	10	752
1998	10	698
1999	9	669
2000	9	644
2001	8	616
2002	8	590
2003	8	571
2004	7	557
2005	7	536
2006	7	521
2007	6	516
2008	6	506
2009	6	500
2010	6	499
2011	6	494
2012	6	496
2013	5	496
2014	5	484
2015	5	469
2016	5	456
2017	5	450
2018	5	437
2019	5	424
2020	4	413
2021	4	425
2022	5	385
2023	3	381

Under-five mortality rates

The chance that a newborn baby will die before reaching age five is 0.24% in Japan and 3.78% in Mauritania. 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
	Japan	Mauritania
1960	3.97%	25.3%
1961	3.62%	24.7%
1962	3.29%	24%
1963	2.98%	23.4%
1964	2.7%	22.7%
1965	2.46%	22%
1966	2.26%	21.3%
1967	2.1%	20.6%
1968	1.96%	19.9%
1969	1.85%	19.4%
1970	1.75%	19%
1971	1.65%	18.9%
1972	1.57%	18.9%
1973	1.49%	19%
1974	1.41%	19%
1975	1.33%	18.9%
1976	1.25%	18.6%
1977	1.18%	18.2%
1978	1.11%	17.6%
1979	1.05%	17.1%
1980	0.99%	16.6%
1981	0.93%	16.1%
1982	0.88%	15.6%
1983	0.83%	15.1%
1984	0.79%	14.5%
1985	0.75%	13.8%
1986	0.71%	13.2%
1987	0.68%	12.6%
1988	0.66%	12.1%
1989	0.64%	11.8%
1990	0.63%	11.5%
1991	0.62%	11.4%
1992	0.61%	11.3%
1993	0.6%	11.2%
1994	0.59%	11.2%
1995	0.57%	11.1%
1996	0.55%	11%
1997	0.52%	10.8%
1998	0.5%	10.6%
1999	0.47%	10.2%
2000	0.45%	9.82%
2001	0.43%	9.35%
2002	0.41%	8.81%
2003	0.4%	8.25%
2004	0.39%	7.7%
2005	0.37%	7.18%
2006	0.36%	6.73%
2007	0.35%	6.35%
2008	0.34%	6.04%
2009	0.34%	5.79%
2010	0.33%	5.61%
2011	0.33%	5.45%
2012	0.31%	5.31%
2013	0.3%	5.17%
2014	0.29%	5.04%
2015	0.28%	4.89%
2016	0.27%	4.74%
2017	0.26%	4.59%
2018	0.25%	4.45%
2019	0.25%	4.3%
2020	0.24%	4.17%
2021	0.24%	4.03%
2022	0.24%	3.91%
2023	0.24%	3.78%