For the first time in his life, Rachid Imounan cast a vote—and overturned Morocco’s Islamist-oriented government.

He is not alone.

Turnout surged to 50 percent as liberals routed the Justice and Development Party (PJD), which led the North African nation’s parliament the past 10 years. Its share of the 395-seat legislature dropped from 125 to 13.

The PJD finished eighth overall.

“We thank Jesus, the Islamists are gone,” said Imounan, a church planter who lives in the southern city of Agadir. “God answered our prayers, and now we have the government we wanted.”

Aziz Akhannouch of the National Rally of Independents (RNI) was sworn in as prime minister by King Mohamed VI on September 11, after his party captured 102 seats. He is tasked with forming a coalition government to guide Morocco through its current economic downturn.

A constitutional monarchy, Morocco has held…