Gunma 4th district (群馬県第4区, Gunma-ken dai-yon-ku) is a single-member constituency of the House of Representatives in the Diet of Japan.

[2] Before the electoral reform that took effect in 1996, the area was part of the multi-member Gunma 3rd district that elected four Representatives by single non-transferable vote.

Gunma is a "conservative kingdom" (hoshu ōkoku), a stronghold of the Liberal Democratic Party, and the pre-1996 multi-seat 3rd district had been home to the families of LDP presidents and Prime Ministers of Japan Yasuhiro Nakasone, Takeo Fukuda and Keizō Obuchi.

Miyake easily won a seat in the Northern Kantō proportional representation block.

In Gunma 4th district, Yasuo Fukuda retired in 2012 and was safely succeeded by his son Tatsuo.