Fertility & birth rates in Japan and Kenya

Fertility rate in Japan vs Kenya by year

Chart Table

Japan

Kenya

1x

Year	Fertility rate
	Japan	Kenya
2023	1.2	3.21
2022	1.26	3.26
2021	1.3	3.31
2020	1.33	3.36
2019	1.36	3.43
2018	1.42	3.54
2017	1.43	3.61
2016	1.44	3.69
2015	1.45	3.77
2014	1.42	3.84
2013	1.43	3.96
2012	1.41	4.12
2011	1.39	4.28
2010	1.39	4.45
2009	1.37	4.57
2008	1.37	4.66
2007	1.34	4.72
2006	1.32	4.75
2005	1.26	4.8
2004	1.29	4.86
2003	1.29	4.94
2002	1.32	5.03
2001	1.33	5.09
2000	1.36	5.14
1999	1.34	5.18
1998	1.38	5.24
1997	1.39	5.27
1996	1.43	5.31
1995	1.42	5.37
1994	1.5	5.44
1993	1.46	5.57
1992	1.5	5.74
1991	1.53	5.94
1990	1.54	6.14
1989	1.57	6.33
1988	1.66	6.52
1987	1.69	6.69
1986	1.72	6.84
1985	1.76	6.96
1984	1.81	7.08
1983	1.8	7.22
1982	1.77	7.35
1981	1.74	7.45
1980	1.75	7.53
1979	1.77	7.6
1978	1.79	7.67
1977	1.8	7.73
1976	1.85	7.77
1975	1.91	7.8
1974	2.05	7.82
1973	2.14	7.86
1972	2.14	7.89
1971	2.16	7.92
1970	2.13	7.94
1969	2.13	7.95
1968	2.13	7.95
1967	2.23	7.95
1966	1.58	7.96
1965	2.14	7.92
1964	2.05	7.87
1963	2	7.82
1962	1.98	7.77
1961	1.96	7.72
1960	2	7.65

According to the latest available data on birth rates, the fertility rate in Japan was 1.2 children per woman in 2023, compared to 3.21 in Kenya in 2023. The replacement level is considered to be 2.1 children per woman.

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

Natural population change by year

Chart Table

Japan

Kenya

1x

Year	Natural population change
	Japan	Kenya
2023	-871,617	1,100,970
2022	-825,825	1,092,102
2021	-640,976	1,037,082
2020	-542,923	1,036,253
2019	-531,858	1,071,777
2018	-456,520	1,097,075
2017	-406,310	1,105,769
2016	-343,106	1,108,801
2015	-292,424	1,119,200
2014	-267,279	1,123,333
2013	-242,146	1,136,006
2012	-229,733	1,161,548
2011	-204,533	1,185,863
2010	-128,070	1,199,786
2009	-76,828	1,193,598
2008	-51,225	1,174,818
2007	-25,600	1,147,063
2006	12,785	1,113,357
2005	-25,554	1,080,446
2004	76,656	1,048,590
2003	114,946	1,018,182
2002	178,423	992,044
2001	203,438	963,721
2000	228,317	928,357
1999	202,610	898,484
1998	265,440	875,511
1997	277,325	847,493
1996	314,392	827,326
1995	276,039	812,391
1994	363,017	792,702
1993	312,073	788,579
1992	360,833	785,018
1991	396,685	790,030
1990	407,478	789,087
1989	467,662	795,622
1988	527,085	785,652
1987	598,138	775,124
1986	631,706	755,606
1985	676,687	732,739
1984	756,523	709,639
1983	775,495	684,587
1982	805,664	663,109
1981	811,861	642,379
1980	864,372	616,390
1979	950,298	595,390
1978	1,011,234	574,695
1977	1,070,397	554,124
1976	1,127,750	536,740
1975	1,204,989	517,579
1974	1,332,960	500,008
1973	1,391,449	485,556
1972	1,372,006	472,557
1971	1,331,782	459,897
1970	1,230,496	443,065
1969	1,195,962	427,819
1968	1,191,930	411,948
1967	1,258,475	396,920
1966	682,072	382,891
1965	1,126,448	366,444
1964	1,046,553	349,322
1963	987,770	332,763
1962	901,864	315,797
1961	893,522	298,463
1960	894,874	280,032

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 +1.99% in Kenya.

For the past 10 years, the annual natural population change has been -0.41% in Japan and +2.16% in Kenya.

Birth rate in Japan vs Kenya by year

Chart Table

Japan

Kenya

Annual births per 1,000 people

1x

Year	Annual births per 1,000 people
	Japan	Kenya
2023	6	27.1
2022	6.3	27.3
2021	6.6	27.6
2020	6.8	27.8
2019	7	28.2
2018	7.4	29
2017	7.6	29.6
2016	7.8	30.2
2015	8	30.9
2014	8	31.5
2013	8.2	32.4
2012	8.2	33.7
2011	8.3	35
2010	8.5	36.3
2009	8.5	37.2
2008	8.7	37.9
2007	8.6	38.3
2006	8.7	38.5
2005	8.4	38.8
2004	8.8	39.1
2003	8.9	39.5
2002	9.2	39.9
2001	9.3	40.2
2000	9.5	40.2
1999	9.4	40.3
1998	9.6	40.6
1997	9.5	40.5
1996	9.7	40.6
1995	9.6	40.8
1994	10	40.9
1993	9.6	41.4
1992	9.8	42.1
1991	9.9	43.1
1990	10	43.9
1989	10.2	44.9
1988	10.8	45.6
1987	11.1	46.3
1986	11.4	46.6
1985	11.9	46.9
1984	12.5	47.2
1983	12.7	47.4
1982	12.8	47.8
1981	13	48.2
1980	13.6	48.2
1979	14.2	48.6
1978	14.9	48.9
1977	15.5	49.2
1976	16.3	49.6
1975	17.1	49.8
1974	18.6	50.2
1973	19.4	50.8
1972	19.3	51.5
1971	19.2	52.2
1970	18.8	52.5
1969	18.5	53.1
1968	18.6	53.5
1967	19.4	54.1
1966	13.7	54.6
1965	18.6	54.9
1964	17.7	55.1
1963	17.3	55.3
1962	17	55.4
1961	16.9	55.4
1960	17.2	55.2

The latest reported birth rate per 1,000 people in 2023 was 6 in Japan and 27.1 in Kenya, compared with 17.2 and 55.2, respectively, in 1960.

Children 0-14 years as share of population

Chart Table

Japan

Factual

UN forecast

Kenya

Factual

UN forecast

1x

Year	Young
	Japan	Kenya
2100	11.5%	18.9%
2099	11.5%	19%
2098	11.5%	19.1%
2097	11.5%	19.2%
2096	11.6%	19.3%
2095	11.6%	19.5%
2094	11.6%	19.6%
2093	11.7%	19.7%
2092	11.7%	19.8%
2091	11.8%	19.9%
2090	11.8%	20%
2089	11.8%	20.1%
2088	11.8%	20.2%
2087	11.9%	20.4%
2086	11.9%	20.5%
2085	11.8%	20.7%
2084	11.8%	20.8%
2083	11.8%	21%
2082	11.8%	21.1%
2081	11.7%	21.3%
2080	11.6%	21.5%
2079	11.6%	21.7%
2078	11.5%	21.9%
2077	11.4%	22.1%
2076	11.3%	22.3%
2075	11.2%	22.5%
2074	11.1%	22.7%
2073	11.1%	22.9%
2072	11%	23.1%
2071	10.9%	23.3%
2070	10.9%	23.5%
2069	10.8%	23.7%
2068	10.8%	23.8%
2067	10.8%	24%
2066	10.8%	24.2%
2065	10.8%	24.4%
2064	10.8%	24.6%
2063	10.8%	24.8%
2062	10.9%	25%
2061	10.9%	25.2%
2060	11%	25.4%
2059	11%	25.6%
2058	11.1%	25.9%
2057	11.1%	26.1%
2056	11.2%	26.4%
2055	11.2%	26.7%
2054	11.3%	27%
2053	11.3%	27.3%
2052	11.3%	27.6%
2051	11.3%	28%
2050	11.2%	28.4%
2049	11.2%	28.7%
2048	11.1%	29.1%
2047	11.1%	29.5%
2046	11%	29.8%
2045	10.9%	30.2%
2044	10.8%	30.6%
2043	10.7%	30.9%
2042	10.6%	31.2%
2041	10.5%	31.5%
2040	10.4%	31.8%
2039	10.3%	32.1%
2038	10.2%	32.4%
2037	10.1%	32.6%
2036	10.1%	32.8%
2035	10.1%	33%
2034	10.1%	33.3%
2033	10.1%	33.5%
2032	10.2%	33.8%
2031	10.3%	34%
2030	10.5%	34.4%
2029	10.6%	34.7%
2028	10.8%	35%
2027	11%	35.5%
2026	11.1%	36%
2025	11.3%	36.5%
2024	11.4%	36.8%
2023	11.6%	37.4%
2022	11.9%	38.1%
2021	12%	38.7%
2020	12.2%	39.3%
2019	12.4%	39.9%
2018	12.5%	40.5%
2017	12.6%	41%
2016	12.7%	41.5%
2015	12.8%	42%
2014	13%	42.4%
2013	13.1%	42.8%
2012	13.2%	43.2%
2011	13.3%	43.4%
2010	13.4%	43.6%
2009	13.5%	43.8%
2008	13.5%	43.9%
2007	13.6%	44%
2006	13.7%	44.2%
2005	13.8%	44.4%
2004	13.8%	44.6%
2003	13.9%	45%
2002	14.1%	45.3%
2001	14.2%	45.7%
2000	14.4%	46.1%
1999	14.6%	46.5%
1998	14.8%	46.8%
1997	15.1%	47.1%
1996	15.3%	47.4%
1995	15.6%	47.7%
1994	16%	48%
1993	16.4%	48.4%
1992	16.9%	48.7%
1991	17.4%	48.9%
1990	18%	49.2%
1989	18.8%	49.5%
1988	19.5%	49.7%
1987	20.3%	49.9%
1986	21%	50.1%
1985	21.7%	50.3%
1984	22.2%	50.6%
1983	22.6%	50.8%
1982	23.1%	51.1%
1981	23.3%	51.3%
1980	23.4%	51.5%
1979	23.7%	51.7%
1978	23.8%	51.9%
1977	23.9%	52%
1976	23.9%	52.1%
1975	23.8%	52%
1974	23.8%	52%
1973	23.6%	52%
1972	23.4%	51.9%
1971	23.3%	51.7%
1970	23.3%	51.6%
1969	23.4%	51.4%
1968	23.5%	51.2%
1967	23.8%	50.9%
1966	24.4%	50.6%
1965	25.1%	50.2%
1964	25.8%	49.8%
1963	26.8%	49.7%
1962	28%	49.4%
1961	29.1%	49.1%
1960	29.8%	48.7%

Children aged 0-14 make up 11.4% of the population in Japan and 36.8% in Kenya in 2024, compared to 18% and 49.2% respectively in 1990.

Demographics of Japan and Kenya compared.

Maternal mortality chart: Japan vs Kenya

Chart Table

Japan

Kenya

1x

Year	Maternal mortality per 100K births
	Japan	Kenya
2023	3	149
2022	5	155
2021	4	183
2020	4	184
2019	5	176
2018	5	183
2017	5	186
2016	5	196
2015	5	203
2014	5	203
2013	5	206
2012	6	214
2011	6	209
2010	6	210
2009	6	208
2008	6	197
2007	6	198
2006	7	188
2005	7	178
2004	7	177
2003	8	177
2002	8	182
2001	8	188
2000	9	206
1999	9	217
1998	10	250
1997	10	253
1996	11	275
1995	11	308
1994	11	342
1993	12	363
1992	13	419
1991	13	493
1990	14	586
1989	15	663
1988	16	756
1987	17	960
1986	18	1,059
1985	19	1,375

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 149 deaths in Kenya.

Under-five mortality rates

Chart Table

Japan

Kenya

Probability that a newborn baby will die before reaching age five

1x

Year	Under 5 mortality rate
	Japan	Kenya
2023	0.24%	3.99%
2022	0.24%	4.11%
2021	0.24%	4.19%
2020	0.24%	4.28%
2019	0.25%	4.33%
2018	0.25%	4.43%
2017	0.26%	4.53%
2016	0.27%	4.6%
2015	0.28%	4.74%
2014	0.29%	4.88%
2013	0.3%	5%
2012	0.31%	5.12%
2011	0.33%	5.22%
2010	0.33%	5.35%
2009	0.34%	5.54%
2008	0.34%	5.82%
2007	0.35%	6.32%
2006	0.36%	6.71%
2005	0.37%	7.15%
2004	0.39%	7.66%
2003	0.4%	8.16%
2002	0.41%	8.66%
2001	0.43%	9.16%
2000	0.45%	9.63%
1999	0.47%	10.1%
1998	0.5%	10.4%
1997	0.52%	10.7%
1996	0.55%	10.9%
1995	0.57%	11%
1994	0.59%	11%
1993	0.6%	10.9%
1992	0.61%	10.7%
1991	0.62%	10.5%
1990	0.63%	10.1%
1989	0.64%	9.85%
1988	0.66%	9.63%
1987	0.68%	9.51%
1986	0.71%	9.49%
1985	0.75%	9.57%
1984	0.79%	9.74%
1983	0.83%	9.98%
1982	0.88%	10.3%
1981	0.93%	10.6%
1980	0.99%	11%
1979	1.05%	11.4%
1978	1.11%	11.8%
1977	1.18%	12.2%
1976	1.25%	12.7%
1975	1.33%	13.1%
1974	1.41%	13.5%
1973	1.49%	14%
1972	1.57%	14.3%
1971	1.65%	14.7%
1970	1.75%	15%
1969	1.85%	15.4%
1968	1.96%	15.7%
1967	2.1%	16%
1966	2.26%	16.3%
1965	2.46%	16.6%
1964	2.7%	17%
1963	2.98%	17.5%
1962	3.29%	18.1%
1961	3.62%	18.8%
1960	3.97%	19.6%

The chance that a newborn baby will die before reaching age five is 0.24% in Japan and 3.99% in Kenya. Above is a chart with historical data on under-five mortality rates.