| Party | mw- Abbr. | Leader | Ideology | Political position | Policy toward North Korea | National Assembly | Governors |
| | | mw- Democratic Party더불어민주당Deobureominjudang | DPK | Jung Chung-rae | Liberalism | Centre to centre-left | Pro-Sunshine Policy | 166 / 300 | 5 / 17 |
| | | People Power Party국민의힘Gungminuihim | PPP | Jang Dong-hyeok | ConservatismNationalism | Right-wing | Against dialogue | 107 / 300 | 11 / 17 |
| | | Rebuilding Korea Party조국혁신당Jogukhyeokshindang | RKP | Cho Kuk | ProgressivismLiberalism | Centre-left | Pro-Sunshine Policy | 12 / 300 | 0 / 17 |
| | | Progressive Party진보당Jinbodang | PP | Kim Jae-yeon | Progressivism | Left-wing | Pro-Sunshine Policy | 4 / 300 | 0 / 17 |
| | | Reform Party개혁신당Gaehyeokshindang | RP | Her Eun-a | ConservatismLibertarian conservatism | Centre-right to right-wing | None | 3 / 300 | 0 / 17 |
| | | Basic Income Party기본소득당Gibonsodeukdang | BIP | Yong Hye-in | Universal basic income | Single-issue | None | 1 / 300 | 0 / 17 |
| | | Social Democratic Party사회민주당Sahoeminjudang | SDP | Han Chang-min | Social democracy | Centre-left | None | 1 / 300 | 0 / 17 |