Alaska (USA) is 9.5% larger than Northern Territory (Australia).
Area: 1,349,129 km2 ABS
Population: 241,800 (Sep 2014) ABS
Northern Territory is a federal Australian territory in the centre and central northern regions. It shares borders with Western Australia to the west, South Australia to the south, and Queensland to the east. 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