The next Japanese general elections are scheduled on or before 31 October 2025, as required by the

constitution A constitution is the aggregate of fundamental principles or established precedents that constitute the legal basis of a polity, organisation or other type of Legal entity, entity and commonly determine how that entity is to be governed. When ...

. Voting will take place in all Representatives constituencies including proportional blocks, in order to appoint Members of Diet to seats in the

House of Representatives House of Representatives is the name of legislative bodies in many countries and sub-national entitles. In many countries, the House of Representatives is the lower house of a bicameral legislature, with the corresponding upper house often c ...

, the

lower house A lower house is one of two Debate chamber, chambers of a Bicameralism, bicameral legislature, the other chamber being the upper house. Despite its official position "below" the upper house, in many legislatures worldwide, the lower house has co ...

of the

National Diet of Japan The is the national legislature of Japan. It is composed of a lower house, called the House of Representatives (, ''Shūgiin''), and an upper house, the House of Councillors (, '' Sangiin''). Both houses are directly elected under a parall ...

. As the

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has to resign after a general House of Representatives election in the first post-election Diet session (Constitution, Article 70), the lower house election will also lead to a new designation election of the Prime Minister in the Diet, and the appointment of a new cabinet (even if the same ministers are re-appointed).

Current composition

Opinion polls

Reapportionment

The electoral district will be readjusted according to the results of the 2020 Japan census. Originally, it was intended to readjust in the last election, but it was held in the existing constituencies not long after the census results came out.

Newly created seats

Ten new districts and three new block seats will be created. * 1. Tokyo-26th * 2. Tokyo-27th * 3. Tokyo-28th * 4. Tokyo-29th * 5. Tokyo-30th * 6. Kanagawa-19th * 7. Kanagawa-20th * 8. Saitama-16th * 9. Aichi-16th * 10. Chiba-14th * 11. 18th Tokyo block seat * 12. 19th Tokyo block seat * 13. 23rd Minami-Kanto block seat

Seats to be eliminated

Ten districts and three block seats will be eliminated. * 1. Hiroshima-7th * 2. Miyagi-6th * 3. Niigata-6th * 4. Fukushima-5th * 5. Okayama-5th * 6. Shiga-4th * 7. Yamaguchi-4th * 8. Ehime-4th * 9. Nagasaki-4th * 10. Wakayama-3rd * 11. 13th Tohoku block seat * 12. 11th Hokurikushinetsu block seat * 13. 11th Chugoku block seat

References