CDU Secures Historic Victory in Rhineland-Palatinate as SPD Stronghold Crumbles

The Christian Democratic Union won Sunday's state election in Rhineland-Palatinate with approximately 30.8% of the vote, ending 35 years of uninterrupted Social Democratic Party rule in the southwestern German state. According to projections by public broadcasters ARD and ZDF, the SPD came in second with between 25.7% and 26.9%, while the far-right Alternative for Germany recorded approximately 20% of the vote, more than doubling its 2021 result and setting a record for the party in a western German state. The liberal FDP received only 2.2%, falling well short of the 5% threshold required to enter the regional parliament. CDU lead candidate Gordon Schnieder declared the result a "return" for his party and said voters had chosen "change" in education, security, health, and economic policy. The SPD's lead candidate, outgoing Minister-President Alexander Schweitzer, who had held the post since July 2024, conceded defeat.

Rhineland-Palatinate has been governed by the SPD since 1991, making it one of the party's most durable regional strongholds in Germany. In the 2021 state elections, the SPD obtained 35.7% of the vote, ahead of the CDU at 27.7% and the Greens at 9.3%, while the AfD received 8.3%. Since 2016, the state had been governed by a three-party coalition of the SPD, the Greens, and the FDP. Sunday's result marks the first time in three and a half decades that the CDU is set to lead the state government in Mainz.

SPD suffers second historic blow in two weeks The Rhineland-Palatinate result delivered a second consecutive blow to the SPD within a fortnight, following the party's collapse to 5.5% in the Baden-Württemberg election on March 8, 2026. SPD Secretary General Tim Klüssendorf told ARD that the projections represented a "major setback." SPD co-chair Bärbel Bas described the outcome as "very bitter," according to de Volkskrant. Vice Chancellor and Federal Finance Minister Lars Klingbeil, who co-chairs the SPD alongside Bas, is expected to face internal pressure over the string of poor regional results. Political science professor Uwe Jun told ARD that the final margin between the CDU and SPD was a surprise given that pre-election polls had predicted a near tie, suggesting that the direct candidate contest may have driven voters away from smaller parties toward the two frontrunners. The SPD's loss of Rhineland-Palatinate leaves the party without one of its most historically significant state governments.

SPD performance in recent western German state elections: Rhineland-Palatinate 2021 (before: 35.7%, after: ~26.9% (2026)); Baden-Württemberg 2026 (before: Previous result, after: 5.5%)

AfD sets western Germany record, grand coalition now likely The AfD's result of approximately 20% — up from 8.3% in 2021 — represents the party's strongest performance in any western German state, according to lead candidate Jan Bollinger, who declared it the "strongest result in the west." AfD co-chair Alice Weidel described the outcome as "record-breaking" and said on X that "the electorate voted for a center-right alliance, but the parties decide otherwise," pledging to continue pressing from opposition. Despite the AfD's strong showing, both the CDU and SPD have ruled out any cooperation with the far-right party, maintaining what analysts describe as a cordon sanitaire. With the AfD excluded from coalition talks and the FDP, the Left, and the Free Voters all failing to clear the 5% threshold, the only arithmetically viable governing majority in Mainz is a CDU-SPD grand coalition, mirroring the arrangement at the federal level. CDU general secretary Carsten Linnemann noted that the combined CDU-SPD vote exceeded 50%, calling it "a good result for the centrist parties." An ARD poll conducted on election day found that 71% of Rhineland-Palatinate voters oppose AfD participation in government, even as the party emerged as the leading force among voters aged 18 to 24.

20 (%) — AfD's record score in a western German state

Merz gets breathing room, but approval ratings remain low For Chancellor Friedrich Merz, the Rhineland-Palatinate victory offered a measure of political relief after a difficult start to his tenure, which began in May 2025. Merz had campaigned personally in the state on Friday, attending a rally in support of Gordon Schnieder and stressing the importance of the federal coalition's continued work regardless of the regional outcome. The win partially offset the disappointment of Baden-Württemberg, where the CDU had long led polls but was narrowly overtaken by the Greens, whose lead candidate Cem Özdemir ran a strong campaign. According to de Volkskrant, Merz is contending with historically low approval ratings and has faced criticism over the pace of economic reforms in a country whose economy has been sluggish for three years, weakened by conflict in the Middle East and trade tensions with the United States. The next major electoral tests are expected in September, when state elections are scheduled in Saxony-Anhalt and Mecklenburg-Western Pomerania, where the AfD is polling between 35% and 40% and could potentially secure an absolute majority in at least one parliament if smaller parties fail to clear the threshold.

„In the coming years no one will govern in this state without us” (In the coming years no one will govern in this state without us) — Gordon Schnieder via Deutsche Welle