| Parliament name (generic / translated) | Kokkai / National Diet |
| Structure of parliament | Bicameral |
| Chamber name (generic / translated) | Shugiin / House of Representatives |
| Related chamber (for bicameral parliaments) | Sangiin / House of Councillors |
| President | Tadamori Oshima (M) |
| Notes | Elected on 21 April 2015. |
| Secretary General | Shinji Muko-ono (M) |
| Notes | Appointed on 20 June 2014. |
| Members | 475 |
| Address | Shugiin (House of Representatives) 7 - 1 Nagatacho 1, Chiyodaku 100-8960 TOKYO |
| Phone | (81 3) 3581 5111 |
| Fax | (81 3) 3581 2900 |
| E-mail | JpnDiet@shugiinjk.go.jp |
| Website | http://www.shugiin.go.jp/ |