One third of adults in Canada pay no income tax. Not because of our beneficent taxation system, but because of poverty level incomes. (or in some instances non reported world incomes)

This is not sustainable for a taxation system that depends on the middle class to pay the majority of tax collected. A middle class that increasingly has little money left over after shelter costs, electricity, food, transportation, et al.

Trudeau wants to grow the middle class - but increasingly the middle class just seems to be slipping down that ladder. 

Be interesting to see, after this term, and possibly another, how many more Canadians are at poverty level incomes.