Canada vs Australia: which is bigger?
Canada is bigger: 9,984,670 km² against 7,692,024 km², about 1.3 times the size of Australia.
Drop Canada onto Australia →Side by side at true size
Both drawn at the same scale on an equal-area projection.
And on the usual world map
On the usual world map Canada looks 5.3 times bigger, not 1.3: the map inflates Canada about 5.1 times and Australia 1.25 times.
In numbers
Areas: official totals including inland water (UN Statistics Division via Wikidata). Outlines: Natural Earth. How Globegami works