Conservative Karol Nawrocki’s victory in Poland’s weekend presidential runoff has set the country on a more nationalist course — and cast doubt on the viability of the centrist government of Prime Minister Donald Tusk after the defeat of his liberal ally.

Karol Nawrocki, a populist conservative backed by U.S. President Donald Trump, has won Poland's presidential runoff election, according to official results released Monday.

In a closely contested presidential runoff, conservative historian Karol Nawrocki has been declared the winner of Poland's 2025 presidential election, securing 50.89% of the vote against liberal Warsaw Mayor Rafał Trzaskowski's 49.