Share of births by age of mother in Japan

Japan: Share of births by age of mother was 0.6417 in 2023. ▼ Falling

Latest (2023)
0.6417
Change on year
down 0.8%
World rank
221st
of 236 countries
All-time high
2.32
in 1950
All-time low
0.6417
in 2023
Years of data
74
1950–2023

Share of births by age of mother in Japan, 1950–2023

0.511.522.5195019862023

Source: Our World in Data.

Analysis

The most recent figure for share of births by age of mother in Japan is 0.6417, measured in 2023. That is the lowest value across all 74 years on record.

That represents a change of down 0.8% on the previous year and down 48.7% over ten years.

Over the whole period, share of births by age of mother in Japan peaked at 2.32 in 1950 and was at its lowest, 0.6417, in 2023.

Japan ranks 221st of 236 countries on this measure, in the bottom quarter.

The long-run direction has been consistently falling across the 74 years of available data.

Share of births by age of mother in Japan, year by year

Annual values for Share of births by age of mother in Japan, 1950 to 2023.
Year Value Change
1950 2.32 —
1951 2.1 -9.9%
1952 1.86 -11.4%
1953 1.69 -9.1%
1954 1.58 -6.5%
1955 1.46 -7.4%
1956 1.29 -11.4%
1957 1.14 -11.9%
1958 1.09 -4.8%
1959 1.18 +8.8%
1960 1.26 +6.3%
1961 1.25 -0.4%
1962 1.16 -7.3%
1963 0.9814 -15.5%
1964 0.8405 -14.4%
1965 0.9808 +16.7%
1966 1.42 +44.6%
1967 1.32 -7.2%
1968 1.26 -4.5%
1969 1.2 -4.9%
1970 1.13 -5.4%
1971 1.04 -7.7%
1972 0.9923 -4.9%
1973 0.9354 -5.7%
1974 0.8878 -5.1%
1975 0.8223 -7.4%
1976 0.7579 -7.8%
1977 0.7429 -2.0%
1978 0.7775 +4.7%
1979 0.8059 +3.7%
1980 0.8754 +8.6%
1981 0.9702 +10.8%
1982 1.07 +9.9%
1983 1.16 +8.6%
1984 1.21 +4.5%
1985 1.15 -5.2%
1986 1.2 +5.0%
1987 1.3 +7.6%
1988 1.32 +2.0%
1989 1.41 +6.4%
1990 1.5 +7.0%
1991 1.61 +6.9%
1992 1.66 +3.1%
1993 1.63 -2.0%
1994 1.52 -6.8%
1995 1.45 -4.2%
1996 1.4 -3.7%
1997 1.46 +4.7%
1998 1.51 +3.3%
1999 1.58 +4.3%
2000 1.66 +5.2%
2001 1.78 +7.0%
2002 1.84 +3.4%
2003 1.76 -4.2%
2004 1.67 -5.0%
2005 1.56 -6.4%
2006 1.47 -6.2%
2007 1.41 -3.7%
2008 1.39 -1.3%
2009 1.34 -4.0%
2010 1.26 -6.2%
2011 1.24 -1.0%
2012 1.22 -1.8%
2013 1.25 +2.4%
2014 1.27 +1.8%
2015 1.19 -6.2%
2016 1.14 -4.3%
2017 1.07 -6.2%
2018 0.9926 -7.4%
2019 0.9349 -5.8%
2020 0.8578 -8.3%
2021 0.7304 -14.8%
2022 0.6469 -11.4%
2023 0.6417 -0.8%

Japan compared with similar countries

  • Japan's 0.6417 is below the median for high income countries, which is 2.18, 29% of the median. (85 countries reporting)
  • Japan's 0.6417 is below the median for East Asia & Pacific, which is 7.08, 9% of the median. (37 countries reporting)

Biggest year-on-year movements

Years where Share of births by age of mother in Japan changed far more than this series normally does. A large move can be a real event or a change in how the figure was measured — the source note below says who published it.

YearChange FromTo
1966 +44.6% 0.9808 1.42

Averages by decade

DecadeAverage LowestHighest Years
1950s 1.57 1.09 2.32 10
1960s 1.17 0.8405 1.42 10
1970s 0.8898 0.7429 1.13 10
1980s 1.17 0.8754 1.41 10
1990s 1.53 1.4 1.66 10
2000s 1.59 1.34 1.84 10
2010s 1.16 0.9349 1.27 10
2020s 0.7192 0.6417 0.8578 4

Countries ranked near Japan

  1. 218 Iceland 0.9202 compare
  2. 219 Singapore 0.7984 compare
  3. 220 United Arab Emirates 0.6845 compare
  4. 222 Netherlands 0.5499 compare
  5. 223 Sweden 0.5423 compare
  6. 224 Norway 0.4346 compare

See the full ranking of 236 places →

More population data for Japan

All data for Japan →

Frequently asked questions

What is share of births by age of mother in Japan?
Share of births by age of mother in Japan was 0.6417 in 2023, according to Our World in Data.
What is the highest share of births by age of mother recorded in Japan?
The highest recorded value was 2.32 in 1950.
What is the lowest share of births by age of mother recorded in Japan?
The lowest recorded value was 0.6417 in 2023.
How does Japan rank for share of births by age of mother?
Japan ranks 221st out of 236 countries with data for 2023.
Is share of births by age of mother rising or falling in Japan?
Over the last ten years it is down 48.7%. The long-run trend across the full record is falling.
Where does this Japan data come from?
The figures come from Our World in Data, published as part of Share of births by age of mother. Statizoid updates them automatically from the source API.

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Share of births by age of mother in Japan. Statizoid, drawing on Our World in Data. Retrieved 12 November 2026, from https://population.statizoid.com/stat/share-of-births-by-age-of-mother/japan/

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About this data

Indicator
Share of births by age of mother
Source
Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
236 places, 17,464 data points, 1950–2023
Last refreshed