Japan's Imperial Succession Law Bars Women from the Throne

Japan's parliament approved a revision to the 19th‑century Imperial House Law that formally limits succession to male members of the imperial family. The amendment, passed on Friday, permits the adoption of distant male relatives to become future heirs and allows princesses to retain their royal status after marrying commoners, while continuing to exclude women from the line of succession.

The change comes amid a shrinking and aging imperial household. Emperor Naruhito’s only child, 24‑year‑old Princess Aiko, is popular but ineligible to inherit the Chrysanthemum Throne because the law allows only paternal‑lineage males. The current line therefore passes to the emperor’s younger brother, Crown Prince Akishino, then to his 19‑year‑old son Prince Hisahito, and after him to the emperor’s 90‑year‑old uncle. Critics argue the reform deepens gender discrimination and threatens the stability of Japan’s 1,500‑year‑old monarchy, with public opinion polls showing broad support for allowing a female emperor.