But six months ahead of an October election, polls suggest the 47-year-old politician with the broad smile and a penchant for colorful socks could become the first prime minister to lose power after a single majority mandate since the 1930s.

Trudeau is mired in a relentless scandal over alleged interference in a corporate corruption case that has led to the resignations of two Cabinet members, his top advisor and the head of the federal civil service.

The ruling Liberals have lost 6 percentage points since the start of the year, ceding the lead to the rival Conservatives, according to a Nanos Research poll published on Tuesday.

If an election were held now, the Conservatives would win 34.9 percent of the vote, the Liberals 32.8 percent and the left-leaning New Democratic Party 16.6 percent. The poll suggests the result would be deadlock or a fragile minority government.