Macron’s Majority in French Parliament at Risk in Neck-and-Neck Races

PARIS—President Emmanuel Macron was at risk of losing his majority in the National Assembly after projections based on early ballot counts of the first round of France’s parliamentary elections Sunday showed his candidates running neck and neck with leftist rivals, complicating the French leader’s efforts to press ahead with his pro-business agenda.

A projection by polling firm Harris Interactive estimated that Mr. Macron’s candidates and those of far-left firebrand Jean-Luc Mélenchon each garnered 25% of the nationwide tally. Marine Le Pen’s far-right National Rally won 19% of the first-round vote while the conservative Les Républicains and its allies garnered 11.5%, according to Harris Interactive.