| name | alignment | date dissolved | date founded | city Headquarters | administrative division Headquarters | country Headquarters | continent Headquarters | Country | continent | Website | number of members | short name |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Democratic Party of Japan | 27/03/2016 | 27/04/1998 | Tokyo | Tokyo | Japan | Asia | Japan | Asia | Website | 326,974 | ||
| Japan Innovation Party | Centrism | 27/03/2016 | 22/09/2014 | Tokyo | Tokyo | Japan | Asia | Japan | Asia | Website | ||
| New Party Daichi | Centre-right politics | 28/12/2011 | 18/08/2005 | Sapporo | Hokkaido | Japan | Asia | Japan | Asia | Website | ||
| Sunrise Party | Right-wing politics | 17/11/2012 | 10/04/2010 | Chiyoda | Tokyo | Japan | Asia | Japan | Asia | Website | ||
| People's New Party | 21/03/2013 | 17/08/2005 | Chiyoda | Tokyo | Japan | Asia | Japan | Asia | Website |