Alaska (USA) is 3.1 times larger than Yukon (Canada).
Area: 482,443 km2 StatCan
Population: 33,897 (May 2023) StatCan
Yukon is the westernmost and smallest of Canada's three federal territories. Whitehorse is the territorial capital and Yukon's only city. The territory was split from the Northwest Territories in 1898. Wikipedia
Area: 1,477,953 km2 US Census
Population: 735,132 (July 2013) US Census
Alaska is a U.S. state situated in the northwest extremity of the North American continent. Wikipedia