Imperial Succession: Can Stability Be Achieved by Insisting on Men in Paternal Line?

16:13 JST, May 17, 2026

Japan’s Imperial system, in which the throne has been passed down to members in the paternal line for 126 generations, is unprecedented in the world.

However, it will be impossible to ensure a stable Imperial succession by continuing to expect women who have joined the Imperial family to bear sons.

Clinging to the premise that only male descendants in the paternal line are eligible to inherit the Imperial throne could jeopardize the very survival of the Imperial system.

The ruling and opposition parties have held a meeting to consider measures to secure an adequate number of Imperial family members, the second such gathering during the current Diet session.

The Centrist Reform Alliance, which had delayed consolidating opinions within the party, presented its views for the first time. It described a proposal that would allow female Imperial family members to remain in the........

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