Fertility & birth rates in Japan and Tanzania

Fertility rate in Japan vs Tanzania by year

Chart Table

Japan

Tanzania

1x

Year	Fertility rate
	Japan	Tanzania
2023	1.2	4.61
2022	1.26	4.67
2021	1.3	4.73
2020	1.33	4.8
2019	1.36	4.87
2018	1.42	4.93
2017	1.43	4.99
2016	1.44	5.01
2015	1.45	5.03
2014	1.42	5.12
2013	1.43	5.16
2012	1.41	5.14
2011	1.39	5.14
2010	1.39	5.23
2009	1.37	5.26
2008	1.37	5.32
2007	1.34	5.4
2006	1.32	5.51
2005	1.26	5.58
2004	1.29	5.6
2003	1.29	5.58
2002	1.32	5.57
2001	1.33	5.62
2000	1.36	5.67
1999	1.34	5.75
1998	1.38	5.81
1997	1.39	5.84
1996	1.43	5.83
1995	1.42	5.82
1994	1.5	5.89
1993	1.46	6
1992	1.5	6.08
1991	1.53	6.14
1990	1.54	6.2
1989	1.57	6.3
1988	1.66	6.38
1987	1.69	6.41
1986	1.72	6.49
1985	1.76	6.6
1984	1.81	6.72
1983	1.8	6.81
1982	1.77	6.87
1981	1.74	6.93
1980	1.75	6.99
1979	1.77	7.04
1978	1.79	7.06
1977	1.8	7.07
1976	1.85	7.09
1975	1.91	7.1
1974	2.05	7.12
1973	2.14	7.06
1972	2.14	7.05
1971	2.16	7.04
1970	2.13	7
1969	2.13	6.95
1968	2.13	6.9
1967	2.23	6.86
1966	1.58	6.8
1965	2.14	6.73
1964	2.05	6.68
1963	2	6.65
1962	1.98	6.61
1961	1.96	6.56
1960	2	6.54

According to the latest available data on birth rates, the fertility rate in Japan was 1.2 children per woman in 2023, compared to 4.61 in Tanzania in 2023. The replacement level is considered to be 2.1 children per woman.

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

Natural population change by year

Chart Table

Japan

Tanzania

1x

Year	Natural population change
	Japan	Tanzania
2023	-871,617	1,960,623
2022	-825,825	1,927,960
2021	-640,976	1,880,137
2020	-542,923	1,861,377
2019	-531,858	1,816,669
2018	-456,520	1,777,852
2017	-406,310	1,726,909
2016	-343,106	1,659,502
2015	-292,424	1,592,882
2014	-267,279	1,565,630
2013	-242,146	1,509,008
2012	-229,733	1,439,325
2011	-204,533	1,384,886
2010	-128,070	1,363,477
2009	-76,828	1,332,015
2008	-51,225	1,303,728
2007	-25,600	1,278,285
2006	12,785	1,257,927
2005	-25,554	1,224,165
2004	76,656	1,175,379
2003	114,946	1,118,435
2002	178,423	1,063,195
2001	203,438	1,026,242
2000	228,317	985,185
1999	202,610	948,659
1998	265,440	920,806
1997	277,325	882,544
1996	314,392	868,524
1995	276,039	838,980
1994	363,017	803,953
1993	312,073	778,044
1992	360,833	767,961
1991	396,685	762,011
1990	407,478	750,825
1989	467,662	743,854
1988	527,085	736,551
1987	598,138	718,580
1986	631,706	705,677
1985	676,687	697,867
1984	756,523	687,435
1983	775,495	679,720
1982	805,664	662,627
1981	811,861	645,496
1980	864,372	629,444
1979	950,298	613,388
1978	1,011,234	595,024
1977	1,070,397	574,938
1976	1,127,750	553,617
1975	1,204,989	533,906
1974	1,332,960	515,152
1973	1,391,449	488,429
1972	1,372,006	467,305
1971	1,331,782	449,014
1970	1,230,496	427,988
1969	1,195,962	408,322
1968	1,191,930	389,467
1967	1,258,475	374,763
1966	682,072	360,229
1965	1,126,448	343,456
1964	1,046,553	328,527
1963	987,770	314,644
1962	901,864	300,663
1961	893,522	286,839
1960	894,874	275,814

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 +2.94% in Tanzania.

For the past 10 years, the annual natural population change has been -0.41% in Japan and +3.05% in Tanzania.

Birth rate in Japan vs Tanzania by year

Chart Table

Japan

Tanzania

Annual births per 1,000 people

1x

Year	Annual births per 1,000 people
	Japan	Tanzania
2023	6	35.2
2022	6.3	35.6
2021	6.6	36
2020	6.8	36.4
2019	7	36.9
2018	7.4	37.3
2017	7.6	37.6
2016	7.8	37.6
2015	8	37.6
2014	8	38.4
2013	8.2	38.4
2012	8.2	38.1
2011	8.3	38.1
2010	8.5	38.8
2009	8.5	39.2
2008	8.7	39.6
2007	8.6	40.2
2006	8.7	41
2005	8.4	41.5
2004	8.8	41.5
2003	8.9	41.3
2002	9.2	41.2
2001	9.3	41.4
2000	9.5	41.5
1999	9.4	41.8
1998	9.6	42.1
1997	9.5	42.1
1996	9.7	42.3
1995	9.6	41.9
1994	10	41.5
1993	9.6	41.7
1992	9.8	42.3
1991	9.9	42.7
1990	10	43
1989	10.2	43.5
1988	10.8	44
1987	11.1	44.3
1986	11.4	44.9
1985	11.9	45.7
1984	12.5	46.4
1983	12.7	47.1
1982	12.8	47.5
1981	13	47.9
1980	13.6	48.3
1979	14.2	48.8
1978	14.9	49.2
1977	15.5	49.5
1976	16.3	49.8
1975	17.1	50.2
1974	18.6	50.6
1973	19.4	50.3
1972	19.3	50.4
1971	19.2	50.6
1970	18.8	50.4
1969	18.5	50.3
1968	18.6	50.2
1967	19.4	50.3
1966	13.7	50.2
1965	18.6	49.9
1964	17.7	49.8
1963	17.3	49.7
1962	17	49.4
1961	16.9	49.1
1960	17.2	49

The latest reported birth rate per 1,000 people in 2023 was 6 in Japan and 35.2 in Tanzania, compared with 17.2 and 49, respectively, in 1960.

Children 0-14 years as share of population

Chart Table

Japan

Factual

UN forecast

Tanzania

Factual

UN forecast

1x

Year	Young
	Japan	Tanzania
2100	11.5%	23.4%
2099	11.5%	23.6%
2098	11.5%	23.8%
2097	11.5%	23.9%
2096	11.6%	24.1%
2095	11.6%	24.3%
2094	11.6%	24.5%
2093	11.7%	24.7%
2092	11.7%	24.8%
2091	11.8%	25%
2090	11.8%	25.2%
2089	11.8%	25.4%
2088	11.8%	25.6%
2087	11.9%	25.8%
2086	11.9%	26%
2085	11.8%	26.2%
2084	11.8%	26.4%
2083	11.8%	26.6%
2082	11.8%	26.8%
2081	11.7%	27.1%
2080	11.6%	27.3%
2079	11.6%	27.5%
2078	11.5%	27.7%
2077	11.4%	28%
2076	11.3%	28.2%
2075	11.2%	28.4%
2074	11.1%	28.7%
2073	11.1%	28.9%
2072	11%	29.1%
2071	10.9%	29.4%
2070	10.9%	29.6%
2069	10.8%	29.8%
2068	10.8%	30.1%
2067	10.8%	30.3%
2066	10.8%	30.6%
2065	10.8%	30.8%
2064	10.8%	31.1%
2063	10.8%	31.3%
2062	10.9%	31.6%
2061	10.9%	31.9%
2060	11%	32.1%
2059	11%	32.4%
2058	11.1%	32.7%
2057	11.1%	32.9%
2056	11.2%	33.2%
2055	11.2%	33.5%
2054	11.3%	33.8%
2053	11.3%	34.1%
2052	11.3%	34.3%
2051	11.3%	34.6%
2050	11.2%	34.9%
2049	11.2%	35.2%
2048	11.1%	35.5%
2047	11.1%	35.8%
2046	11%	36.1%
2045	10.9%	36.4%
2044	10.8%	36.7%
2043	10.7%	37%
2042	10.6%	37.3%
2041	10.5%	37.6%
2040	10.4%	37.9%
2039	10.3%	38.3%
2038	10.2%	38.6%
2037	10.1%	39%
2036	10.1%	39.3%
2035	10.1%	39.6%
2034	10.1%	40%
2033	10.1%	40.3%
2032	10.2%	40.7%
2031	10.3%	41%
2030	10.5%	41.3%
2029	10.6%	41.6%
2028	10.8%	41.8%
2027	11%	42.1%
2026	11.1%	42.2%
2025	11.3%	42.4%
2024	11.4%	42.5%
2023	11.6%	42.7%
2022	11.9%	42.9%
2021	12%	43.1%
2020	12.2%	43.4%
2019	12.4%	43.6%
2018	12.5%	43.8%
2017	12.6%	44%
2016	12.7%	44.2%
2015	12.8%	44.5%
2014	13%	44.8%
2013	13.1%	44.9%
2012	13.2%	45.1%
2011	13.3%	45.2%
2010	13.4%	45.3%
2009	13.5%	45.3%
2008	13.5%	45.1%
2007	13.6%	45%
2006	13.7%	44.9%
2005	13.8%	44.8%
2004	13.8%	44.7%
2003	13.9%	44.6%
2002	14.1%	44.6%
2001	14.2%	44.5%
2000	14.4%	44.6%
1999	14.6%	44.7%
1998	14.8%	44.7%
1997	15.1%	44.8%
1996	15.3%	44.7%
1995	15.6%	44.5%
1994	16%	44.9%
1993	16.4%	45.5%
1992	16.9%	46%
1991	17.4%	46.2%
1990	18%	46.3%
1989	18.8%	46.5%
1988	19.5%	46.7%
1987	20.3%	46.9%
1986	21%	47.2%
1985	21.7%	47.4%
1984	22.2%	47.5%
1983	22.6%	47.6%
1982	23.1%	47.5%
1981	23.3%	47.4%
1980	23.4%	47.2%
1979	23.7%	46.9%
1978	23.8%	46.7%
1977	23.9%	46.6%
1976	23.9%	46.5%
1975	23.8%	46.4%
1974	23.8%	46.3%
1973	23.6%	46.2%
1972	23.4%	46.1%
1971	23.3%	46.1%
1970	23.3%	46%
1969	23.4%	45.9%
1968	23.5%	45.8%
1967	23.8%	45.6%
1966	24.4%	45.4%
1965	25.1%	45.2%
1964	25.8%	45%
1963	26.8%	44.8%
1962	28%	44.8%
1961	29.1%	44.8%
1960	29.8%	44.9%

Children aged 0-14 make up 11.4% of the population in Japan and 42.5% in Tanzania in 2024, compared to 18% and 46.3% respectively in 1990.

Demographics of Japan and Tanzania compared.

Maternal mortality chart: Japan vs Tanzania

Chart Table

Japan

Tanzania

1x

Year	Maternal mortality per 100K births
	Japan	Tanzania
2023	3	276
2022	5	152
2021	4	162
2020	4	160
2019	5	292
2018	5	319
2017	5	345
2016	5	396
2015	5	433
2014	5	454
2013	5	479
2012	6	448
2011	6	475
2010	6	486
2009	6	502
2008	6	511
2007	6	453
2006	7	366
2005	7	350
2004	7	365
2003	8	397
2002	8	454
2001	8	493
2000	9	568
1999	9	635
1998	10	739
1997	10	777
1996	11	775
1995	11	797
1994	11	816
1993	12	851
1992	13	864
1991	13	873
1990	14	900
1989	15	927
1988	16	949
1987	17	964
1986	18	971
1985	19	980

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 276 deaths in Tanzania.

Under-five mortality rates

Chart Table

Japan

Tanzania

Probability that a newborn baby will die before reaching age five

1x

Year	Under 5 mortality rate
	Japan	Tanzania
2023	0.24%	3.89%
2022	0.24%	4.05%
2021	0.24%	4.22%
2020	0.24%	4.42%
2019	0.25%	4.6%
2018	0.25%	4.8%
2017	0.26%	5.02%
2016	0.27%	5.25%
2015	0.28%	5.48%
2014	0.29%	5.67%
2013	0.3%	5.95%
2012	0.31%	6.21%
2011	0.33%	6.5%
2010	0.33%	6.86%
2009	0.34%	7.24%
2008	0.34%	7.7%
2007	0.35%	8.16%
2006	0.36%	8.69%
2005	0.37%	9.24%
2004	0.39%	9.86%
2003	0.4%	10.5%
2002	0.41%	11.3%
2001	0.43%	12.1%
2000	0.45%	12.8%
1999	0.47%	13.6%
1998	0.5%	14.2%
1997	0.52%	14.8%
1996	0.55%	15.2%
1995	0.57%	15.6%
1994	0.59%	15.9%
1993	0.6%	16.1%
1992	0.61%	16.3%
1991	0.62%	16.5%
1990	0.63%	16.7%
1989	0.64%	16.9%
1988	0.66%	17.2%
1987	0.68%	17.4%
1986	0.71%	17.6%
1985	0.75%	17.7%
1984	0.79%	17.8%
1983	0.83%	17.8%
1982	0.88%	17.8%
1981	0.93%	17.8%
1980	0.99%	17.9%
1979	1.05%	18.1%
1978	1.11%	18.4%
1977	1.18%	18.8%
1976	1.25%	19.2%
1975	1.33%	19.6%
1974	1.41%	20.1%
1973	1.49%	20.5%
1972	1.57%	20.9%
1971	1.65%	21.2%
1970	1.75%	21.6%
1969	1.85%	21.9%
1968	1.96%	22.2%
1967	2.1%	22.5%
1966	2.26%	22.8%
1965	2.46%	23.1%
1964	2.7%	23.4%
1963	2.98%	23.6%
1962	3.29%	23.8%
1961	3.62%	24%
1960	3.97%	24.2%

The chance that a newborn baby will die before reaching age five is 0.24% in Japan and 3.89% in Tanzania. Above is a chart with historical data on under-five mortality rates.