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Spanish PM's party gains on anti-war stance, support for far right stalls in polls

Published by Global Banking & Finance Review

Posted on April 6, 2026

3 min read

· Last updated: April 7, 2026

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Spanish PM's party gains on anti-war stance, support for far right stalls in polls
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MADRID, April 6 (Reuters) - Spain's ruling Socialist Party has gained voter support amid Prime Minister Pedro Sanchez's staunch opposition to the U.S.-Israeli war on Iran, while far-right Vox, which

Spanish Socialists Gain, Vox Falls as Anti-War Sentiment Shifts Polls

Shifting Political Landscape in Spain Amid Anti-War Sentiment

MADRID, April 6 (Reuters) - Spain's ruling Socialist Party has gained voter support amid Prime Minister Pedro Sanchez's staunch opposition to the U.S.-Israeli war on Iran, while far-right Vox, which supports the offensive, has seen a decline, two surveys published on Monday showed.

Government Response and Public Opinion

Sanchez's Opposition to the War

Sanchez has emerged as one of the most vocal Western leaders criticising what he calls an illegal and reckless war, closing Spanish airspace to U.S. planes involved in the strikes and banning them from using jointly operated military bases in southern Spain.

Vox's Criticism and Political Alignment

Vox - closely allied with U.S. President Donald Trump's MAGA movement - has harshly criticised Sanchez's stance.

Public Rejection of the War

A survey by state pollster CIS showed last month that 85% of respondents rejected the war. 

Polling Data and Party Performance

Socialist Party Gains

Monday's new poll by Sigma Dos for newspaper El Mundo showed support for Sanchez's Socialists rising to 27.7% from 26.4% last month, reducing the lead of the conservative People's Party (PP). Another survey, by 40dB for El Pais, put them at 28.6%, up from 27.7%. 

Vox Declines in the Polls

Meanwhile, Vox dropped to 17.1% in April from 18.3% according to Sigma Dos, and slipped by 0.1 percentage point to 18.7% in the 40dB survey. 

People's Party Maintains Lead

The PP topped both polls, securing 32.5% and 31.1% of voting intentions, respectively, up by less than one percentage point in both polls. The party accuses Sanchez of damaging transatlantic relations and has refrained from publicly denouncing Trump and Israel, though its leader has also echoed the "no to war" slogan.

Trends and Future Outlook

Shift from Extremes to Mainstream Parties

A common trend is the transfer of voting intention from the extremes of the spectrum to the two mainstream outfits. The PP appears to be stemming the flow of votes to Vox and the Socialists are picking up former voters of its hard-left junior coalition partner Sumar, the polls showed. 

Coalition Politics and Election Forecast

A fragmented electorate still means coalitions are required to secure a government and both polls point to a right-wing majority if elections were held now.  

Upcoming General Election

The next general election is due in August 2027.

Survey Methodology

The surveys each polled some 2,000 people and had margins of error of 2.2%.     

(Reporting by David Latona; Editing by Andrei Khalip and Susan Fenton)

Key Takeaways

  • Pedro Sánchez’s refusal to allow U.S. use of Spanish airspace and bases, and his anti‑war messaging, enjoy broad public backing, with over two‑thirds opposing the Iran war
  • Polling shows PSOE support climbing to 27.7–28.6%, while Vox slides to 17–18%, and the PP maintains a lead at ~31–32%, tightening the gap
  • The shift reflects voters moving from the extremes to the mainstream; although a right‑wing majority is possible now, fragmented results still make coalition-building essential

Frequently Asked Questions

Why has Spain's Socialist Party gained voter support?
The Socialist Party gained support due to Prime Minister Pedro Sanchez’s strong anti-war stance on the U.S.-Israeli war on Iran.
What actions has Spain taken in response to the U.S.-Israeli conflict with Iran?
Spain closed its airspace to U.S. planes involved in the conflict and banned them from using joint military bases.
What has caused the decline in support for the far-right Vox party?
Vox's support declined largely due to its backing of the war, in contrast to strong anti-war sentiment among Spanish voters.

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