The map above shows Australian Capital Territory and Northern Territory side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Australian Capital Territory vs Northern Territory Geography
Land area: Australian Capital Territory has a land area of 910 square miles (2,358 km²), while Northern Territory has 520,902 square miles (1,349,129 km²). Northern Territory's land area is 572.1 times larger than Australian Capital Territory's.
Total area: Australian Capital Territory: 910 square miles (2,358 km²) vs Northern Territory: 520,902 square miles (1,349,129 km²), including inland and coastal water. Northern Territory's total area is 572.1 times larger than Australian Capital Territory's.
Length: Australian Capital Territory is 54 miles (87 km) long from north to south; Northern Territory is 1,092 miles (1,758 km). Northern Territory's north-south length is 20.2 times longer than Australian Capital Territory's.
Width: Australian Capital Territory spans 38 miles (61 km) east to west; Northern Territory spans 610 miles (981 km). Northern Territory's east-west width is 16.1 times wider than Australian Capital Territory's.
Highest point: Australian Capital Territory's highest point is Bimberi Peak at 6,273 feet (1,912 m); Northern Territory's is Mount Zeil at 5,023 feet (1,531 m). Bimberi Peak is 1,250 feet higher than Mount Zeil.
Lowest point: Australian Capital Territory's lowest point is Molonglo River at 1,407 feet; Northern Territory's is Timor Sea at 0 feet. Northern Territory's lowest point is 1,407 feet lower.
Australian Capital Territory vs Northern Territory Population and History
Population: Australian Capital Territory has a population of 486,231 (2025), while Northern Territory has 265,457 (2025). Australian Capital Territory's population is 1.8 times (83%) larger than Northern Territory's.
Population density: Australian Capital Territory: 534.3 people per square mile vs Northern Territory: 0.5. Australian Capital Territory's population density is 1,068.6 times higher than Northern Territory's.
Largest metro area: Australian Capital Territory's largest metropolitan area is Greater Canberra (486,231 people) vs Northern Territory's Greater Darwin (159,284). Greater Canberra's population is 3.1 times (205%) larger than Greater Darwin's.
History: Australian Capital Territory: Established as the Federal Capital Territory on January 1, 1911. Northern Territory: Became a federal territory on January 1, 1911; self-governing since 1978.
Australian Capital Territory vs Northern Territory Economy
GDP: Australian Capital Territory's GDP is $38.0 billion (2025) vs Northern Territory's $22.4 billion. Australian Capital Territory's economic output is 1.7 times (70%) larger than Northern Territory's.
GDP per capita: Australian Capital Territory: $78,152 per person vs Northern Territory: $84,383. Northern Territory's GDP per capita is 1.1 times (8%) higher than Australian Capital Territory's.
Official Websites
Australian Capital Territory official website · Northern Territory official website
More Size Comparisons
All Australian Capital Territory 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.