Q: According to stats Canada as of 2015 96% of couples had this in common. What is it?
A: Both spouses were working and reporting income.
In 2015, 96% of Canadian couples had both spouses reporting income, up significantly from about two-thirds in the mid-1970s.
One-third of couples had fairly equal incomes in 2015 compared with about one-fifth of couples 30 years earlier