Japanese legislative leaders have outlined two proposals to prevent the decline of the imperial family's membership [1].
The measures aim to ensure a stable line of succession as the number of royal family members continues to shrink. Because the current system limits succession to males, the shrinking pool of eligible heirs poses a long-term risk to the monarchy's stability [2].
During a meeting on May 15, 2026, at the official residence of the House of Representatives Speaker, the speakers and deputy speakers of both houses of parliament discussed the two options [3]. One proposal would allow female members of the imperial family to maintain their royal status even after marriage [1]. This change would prevent women from leaving the family upon wedding, which is the current requirement [1].
The second proposal involves adopting male descendants from former imperial branches — known as the old princely houses — to bolster the number of male heirs [1]. By integrating these male-line descendants, the government seeks to preserve the traditional patrilineal succession system [2].
Public sentiment appears to lean toward these changes. A poll indicates that 66% [4] of respondents support measures to maintain the imperial family's numbers. The discussions involved high-ranking officials, including House Speaker Eisuke Mori [3].
The meeting focused on balancing the need for a sustainable number of royals with the legal and traditional frameworks of the Japanese throne. While the two plans provide a path forward, the legislative process to implement such changes requires careful navigation of the law and tradition [1].
“Two proposals were outlined to prevent the decline of the imperial family's membership.”
These proposals represent a significant crossroads for the Japanese monarchy. By weighing the inclusion of women and the return of former imperial branches, the government is attempting to reconcile modern demographic realities with a strict patrilineal tradition. The high public approval suggests a willingness to evolve the system to ensure the monarchy's survival into the next generation.





