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Japan enshrines male-only imperial succession law

newsJul 17, 202620271

Japan’s parliament enacted a revision to the 19th-century Imperial House Law insisting only paternal-lineage men can become emperor. The changes, passed Friday, allow adoption of distant male relatives to father future heirs and let princesses keep imperial status after marrying commoners. Emperor Naruhito’s 24-year-old daughter Princess Aiko remains ineligible because she is female, so the line moves to the emperor’s younger brother, then to his 19-year-old nephew Prince Hisahito, and then to the emperor’s 90-year-old uncle. Only five of the 16 adult members of the imperial family are men and there are no children, a demographic strain the revision aims to address by protecting the male bloodline. Prime Minister Sanae Takaichi and other conservatives argued the male bloodline is “the only source of the emperor’s authority and legitimacy.” Nagoya University monarchy expert Hideya Kawanishi called the change “a declaration to prevent female monarchs” and warned it defends the male-lineage at all costs. Royal watchers and experts said the measures could further imperil the 1,500-year-old hereditary institution by cementing male-only succession.

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