How Japan's Reforms on Imperial Succession Affect Its Monarchy

Japanese lawmakers are reforming the country’s more-than-a-millennia-old continuous hereditary monarchy in an effort to keep it alive amid a shrinking imperial family.Amendments to Japan’s Imperial Household Law that passed in July took effect on Saturday. One allows Japanese princesses to keep their royal status even if they marry non-royals, though their future children are not considered royals. The other amendment is an apparent roundabout way to preserve patrilineal succession: members of the royal family may adopt a male from former imperial branch families, and those adoptees’ future male offspring can be considered legitimate successors to the throne.The revisions aim to expand the future pool of eligible heirs to the throne while reinforcing the shutting out of women from leading the Japanese monarchy, which staunch conservatives including the country’s first female Prime Minister, Sanae Takaichi, have repeatedly advocated against upending.Before the revisions took effect, Emperor Naruhito only had a few viable successors: his younger brother Akishino, followed by his 20-year-old nephew Prince Hisahito, then his 90-year-old uncle Prince Hitachi. The small pool had raised c...