Key Facts
• Discussions on imperial family numbers began in January 2022.
• Two main proposals: adoption of male heirs and retention of female members’ status.
• Liberal Democratic Party (LDP) and Japan Innovation Party prioritize male heir adoption.
• Constitutional Democratic Party supports retaining female members’ status after marriage.
• No consensus reached during the 2023 regular Diet session.
• House Speaker Fukushiro Nukaga aimed for a conclusion in the autumn session, now delayed.
• LDP and Japan Innovation Party aim to amend the Imperial House Law in 2024.
• Male-line succession remains a key principle in coalition agreements.
• Disagreements persist over whether spouses and children of female members retain imperial status.
Summary
The Japanese Diet has postponed discussions on ensuring the number of imperial family members to next year due to unresolved differences between political parties. The Liberal Democratic Party and Japan Innovation Party prioritize adopting male heirs to maintain male-line succession, while the Constitutional Democratic Party supports allowing female members to retain their imperial status after marriage. Despite efforts to reach a conclusion during the 2023 sessions, no agreement was achieved. The coalition government aims to amend the Imperial House Law in 2024 to ensure stable imperial succession.
