After doing gangbuster business in the post-COVID era, Las Vegas is in the midst of a slump, with the number of tourists down sharply as Canadians in particular avoid Sin City amid bilateral bad blood over trade.

The total number of visitors is off more than 11 per cent year-over-year, according to data from the Las Vegas Convention and Visitors Authority, one of the most dramatic declines in recent memory outside of the pandemic.

Airline figures reveal there's been an even steeper decline among …