| # | Party | Seat share | Seats | Vote share | ± | |||
|---|---|---|---|---|---|---|---|---|
| PSOE | Spanish Socialist Workers Party (Partido Socialista Obrero Español) | 35.1 | 123 | 28.7 | +6.0 | |||
| PP | People's Party (Partido Popular) | 18.9 | 66 | 16.7 | -16.3 | |||
| C-PC | Citizens -- Party of ... (Ciudadanos – Partido de ...) | 16.3 | 57 | 15.9 | +2.8 | |||
| • UP1 | United We Can (Unidas Podemos) | 10.0 | 35 | 12.0 | ||||
| • ECP2 | In Common We Can (En Comú Podem) | 2.0 | 7 | 2.4 | -1.2 | |||
| Vox | Voice (Vox) | 6.9 | 24 | 10.3 | ||||
| ERC | Republican Left of Catalonia (Esquerra Republicana de Catalunya) | 4.3 | 15 | 3.9 | +1.3 | |||
| JxCat | Together for Catalonia (Junts per Catalunya) | 2.0 | 7 | 1.9 | ||||
| PNV | Basque Nationalist Party (Partido Nacionalista Vasco – ...) | 1.7 | 6 | 1.5 | +0.3 | |||
| EHB | Basque Country Unite (Euskal Herria Bildu) | 1.1 | 4 | 1.0 | +0.2 | |||
| CC | Canary Coalition (Coalición Canaria) | 0.6 | 2 | 0.5 | +0.2 | |||
| NA+ | Sum Navarre (Navarra Suma) | 0.6 | 2 | 0.4 | ||||
| PACMA | Animalist Party Against Mistreatment ... (Partido Animalista Contra el ...) | 0 | 1.3 | +0.1 | ||||
|
1 Electoral alliance with Podemos (We Can), Izquerda Unida (United Left) and Equo (Equo). 2 Electoral alliance with Podemos (We Can), Barcelona en Comú (Barcelona in Common), Iniciativa per Catalunya Verds (Initiative for Catalonia Greens), Esquerra Unida i Alternativa (United and Alternative Left) and Equo (Equo). |
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