Born in which year at legal age 40?

As of the as-of date, someone of legal age 40 was born in 1985 if before the birthday, or 1986 if after.

As-of date：30 August 2026

Legal age (man-nenrei)

40years

Birth year if before birthday

1985（乙丑 / 昭和60年）

Birth year if after birthday

1986（丙寅 / 昭和61年）

Facts on this page

・People with legal age 40 as of 30 August 2026

・If before the birthday, born in 1985

・If after the birthday, born in 1986

・Eto before the birthday is 乙丑

・Eto after the birthday is 丙寅

・Wareki year before the birthday is about 昭和60年

・Wareki year after the birthday is about 昭和61年