The map above shows Alberta and Northern Territory side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Alberta vs Northern Territory Geography
Land area: Alberta has a land area of 248,000 square miles (642,317 km²), while Northern Territory has 520,902 square miles (1,349,129 km²). Northern Territory's land area is 2.1 times (110%) larger than Alberta's.
Total area: Alberta: 255,541 square miles (661,848 km²) vs Northern Territory: 520,902 square miles (1,349,129 km²), including inland and coastal water. Northern Territory's total area is 2.0 times (104%) larger than Alberta's.
Length: Alberta is 810 miles (1,303 km) long from north to south; Northern Territory is 1,092 miles (1,758 km). Northern Territory's north-south length is 1.3 times (35%) longer than Alberta's.
Width: Alberta spans 544 miles (876 km) east to west; Northern Territory spans 610 miles (981 km). Northern Territory's east-west width is 1.1 times (12%) wider than Alberta's.
Highest point: Alberta's highest point is Mount Columbia at 12,293 feet (3,747 m); Northern Territory's is Mount Zeil at 5,023 feet (1,531 m). Mount Columbia is 7,270 feet higher than Mount Zeil.
Lowest point: Alberta's lowest point is Slave River at 499 feet; Northern Territory's is Timor Sea at 0 feet. Northern Territory's lowest point is 499 feet lower.
Alberta vs Northern Territory Population and History
Population: Alberta has a population of 5,048,151 (2026), while Northern Territory has 265,457 (2025). Alberta's population is 19.0 times larger than Northern Territory's.
Population density: Alberta: 20.4 people per square mile vs Northern Territory: 0.5. Alberta's population density is 40.8 times higher than Northern Territory's.
Largest metro area: Alberta's largest metropolitan area is Calgary CMA (1,481,806 people) vs Northern Territory's Greater Darwin (159,284). Calgary CMA's population is 9.3 times (830%) larger than Greater Darwin's.
History: Alberta: Joined Confederation on September 1, 1905. Northern Territory: Became a federal territory on January 1, 1911; self-governing since 1978. In its current form, Alberta is the older of the two by 6 years.
Alberta vs Northern Territory Economy
GDP: Alberta's GDP is $346.0 billion (2024) vs Northern Territory's $22.4 billion. Alberta's economic output is 15.4 times larger than Northern Territory's.
GDP per capita: Alberta: $70,487 per person vs Northern Territory: $84,383. Northern Territory's GDP per capita is 1.2 times (20%) higher than Alberta's.
Official Websites
Alberta official website · Northern Territory official website
More Size Comparisons
All Alberta size comparisons · All Northern Territory size comparisons
Area, elevation and boundary figures come from official national statistics and US Census Bureau and Natural Earth boundary data; US state population, economic, county and tax figures come from the US Census Bureau, the Bureau of Economic Analysis and the Tax Foundation. Figures are rounded and for general reference.