Canada

Apparently it's 63% of Canadian families:

• In 2016, 63% of Canadian families owned their homes, up from 60% in 1999. Almost all of this increase was because of population aging, given that families in older age groups are more likely to own their homes.

other fun facts:

• From 1999 to 2016, mortgage debt represented two-thirds of the overall increase in debt for Canadian families, while consumer debt made up the remainder. In recent years (2012 to 2016), mortgage debt was responsible for 100% of the increase in total debt.

• From 1999 to 2016, the median amount of mortgage debt among Canadian families with a mortgage almost doubled, from $91,900 to $180,000 in 2016 constant dollars. The amount of mortgage debt increased in nearly all demographic groups and in almost all regions of Canada.

I think the stat remains sort of relevant.