Texas Sen. John Cornyn faced criticism Sunday after comparing Vice President JD Vance with New York City Mayor Zohran Mamdani while discussing what he described as the growing influence of the political extremes in both parties.

Cornyn pointed to Vance as representative of the MAGA movement and Mamdani as representative of the progressive left, arguing that the two movements have moved toward similar positions on some issues despite their broader ideological differences.

The comments come after Cornyn's defeat in the Republican primary for his Senate seat earlier this year. Texas Attorney General Ken Paxton defeated Cornyn in the May Republican runoff, ending Cornyn's more than two decades in the Senate. Paxton is now facing Democratic state Rep. James Talarico in the November general election.

Cornyn's comparison reflects a broader political debate over the emergence of populist movements on both the right and left. A recent Wall Street Journal analysis similarly examined similarities between populist Republicans, including Vance, and democratic socialists such as Mamdani, particularly on economic issues and opposition to parts of the traditional political establishment.

Vance and Mamdani remain associated with substantially different political coalitions and policy agendas. Vance serves as Trump's vice president and has emerged as one of the administration's prominent voices on immigration, economic policy and national issues. Mamdani, a democratic socialist, became mayor of New York City after winning the city's 2025 election.

Cornyn's remarks come as Republicans prepare for the November midterm elections and continue to debate the direction of the party following Trump's return to the White House. His own primary defeat was part of a broader series of Republican contests in which candidates aligned with Trump's political movement challenged more established Republican figures.

The comparison drew attention because Vance is a sitting member of the Trump administration, while Mamdani is a Democratic mayor whose politics have made him a frequent target of Republican criticism. Cornyn's comments therefore placed two prominent figures from opposing political coalitions within the same discussion of political extremism.