One in four voters in Alberta went to the polls ahead of federal election day, and a Calgary riding saw one of the highest turnouts in the country, Elections Canada data shows.

More than 815,000 Albertans cast their ballot at advance polling stations last weekend, about 169,000 more people than in the last federal election in 2021, according to preliminary counts from Elections Canada, the independent agency that conducts the federal-level votes, released this week.

But the reason behind the incr…