Ⅱ. Population / Labor Force
7.
Ⅱ. 人口・労働力
16
Population Pyramid（2015）
人口ピラミッド（2015年）
76 years old: Decrease in birth rate between 1938 and 1939
because of the mobilization for the war against China
76歳：日中戦争の動員による昭和13,14年の出生減
69,70 years old: Decrease in
birth rate during wartime
69、70歳：終戦前後における出生減
41-44 years old: The second
baby boom of 1971-1974
41-44歳：昭和46-49年の第2次
ベビーブーム
66-68 years old: The first baby
boom between 1947 and 1949
66-68歳：昭和22-24年の第1次
ベビーブーム
49 years old: The year of the
"Hinoeuma *", Firehorse(1966)
49歳：昭和41年のひのえうま
Source: Statistics Bureau, Ministry of Internal Affairs and Communications
Notes: 1) *The Year of the Firehorse occurs every 60 years in the Eastern Zodiac. It is superstitiously believed that females born to this sign will create evil, and many people avoided having children in this year.
2) Comments on graph apply to both male and female.