Alaska (USA) is 9.8% larger than Northwest Territories (Canada).
Area: 1,346,106 km2 StatCan
Population: 41,462 (May 2017) StatCan
The Northwest Territories is a territory of Canada. With a population of 41,462 in 2011 and an estimated population of 43,537 in 2013, the Northwest Territories is the most populous territory in Northern Canada. 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