The federal debt-to-GDP ratio will reach 51.2 per cent, the highest level since 1999.
At 79 per cent, Canada had the fastest growth in its debt-to-GDP ratio in the G-7.
Interest payments on the federal debt are expected to equal $20.2 billion in 2020/21.
Ottawa ran budget deficits worth a total of $94.1 billion from 2015/16 to 2019/20.
The federal government has seemingly ditched the debt-averse approach that largely prevailed in Ottawa since the mid-1980s.
Ontario will spend an estimated $13 billion on government debt interest costs in 2020/21.
This year's federal budget deficit will reach a projected $381 billion.
Ottawa annually pocketed $22 billion more in revenue from Alberta than it spent in the province.
Ontarians carry the second-largest combined government debt burden among Canadians.