The PSC would win the Spanish and Catalan elections with ERC and Aliança competing.

* The PSC would win the Spanish elections as it did in 2023.
* The Salvador Illa party would also win the Catalan elections.
* ERC and Aliança Catalana would vie for second place in the Catalan elections.
* The socialists would validate the 19 deputies from 2023, with nine more than the second political force.
* ERC would rise to second place with a spread ranging from 10 to 11 seats compared to Common.
* Common would suffer a defeat going from 7 seats to 2 or 3.
* The PP would maintain six representatives or win one.
* Junts could lose two or three seats.
* The Spanish right-wing extreme would rise from two to five or six deputies.
* Catalonia is expected to add between 30 and 33 votes to the left bloc of deputies.
* For Catalan elections, the PSC seat count is forecasted to decline from 42 seats to 33 or 35.
* ERC and Aliança would vie for second place with republicans having a slight edge.
* The leader of the Islamophobic party is projected to have a score of 13%, an increase of five points compared to three months prior.

The consistent pattern across both Spanish and Catalan forecasts indicates a structural shift favoring established parties, particularly the PSC, while smaller parties find themselves in increasingly precarious positions. The dynamics suggest a consolidation of support along existing left-wing and pro-independence lines, with the projection of seats reflecting a tightening of power rather than broad democratic consensus. A significant tension emerges around the interpretation of independentist votes; the data suggests that parties like Aliança are successfully drawing votes from those who do not align with the official state model, as evidenced by their growth against established groups like the PSC and Common. The leaders' assessment further complicates this narrative, showing a divergence between formal institutional support (Sánchez’s dominance) and grassroots preference (rallying around figures like Illa and Puigdemont). This signals that electoral outcomes are not simply a reflection of shifting public opinion but also the successful channeling of voters toward specific identity alignments, suggesting that political success is increasingly mediated by the ability to capture non-aligned or explicitly divergent constituencies. The reliance on prior results (2023 data) as a baseline for future predictions risks overlooking emergent trends where new alliances—like those involving Aliança or ERC—are reshaping traditional electoral arithmetic.
BRIDGE QUESTIONS: If the trend of consolidation continues, what structural mechanisms are at play to maintain this alignment between official party structures and voter behavior? How might an increase in support for autonomy specifically alter the projection regarding the performance of the non-republican parties? What happens if the observed growth in independentist votes is sustained or reversed in the next electoral cycle?