The map above shows Arizona and Northern Territory side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Arizona vs Northern Territory Geography
Land area: Arizona has a land area of 113,655 square miles (294,366 km²), while Northern Territory has 520,902 square miles (1,349,129 km²). Northern Territory's land area is 4.6 times (358%) larger than Arizona's.
Total area: Arizona: 113,985 square miles (295,220 km²) vs Northern Territory: 520,902 square miles (1,349,129 km²), including inland and coastal water. Northern Territory's total area is 4.6 times (357%) larger than Arizona's.
Length: Arizona is 429 miles (690 km) long from north to south; Northern Territory is 1,092 miles (1,758 km). Northern Territory's north-south length is 2.5 times (155%) longer than Arizona's.
Width: Arizona spans 452 miles (727 km) east to west; Northern Territory spans 610 miles (981 km). Northern Territory's east-west width is 1.3 times (35%) wider than Arizona's.
Highest point: Arizona's highest point is Humphreys Peak at 12,620 feet (3,847 m); Northern Territory's is Mount Zeil at 5,023 feet (1,531 m). Humphreys Peak is 7,597 feet higher than Mount Zeil.
Lowest point: Arizona's lowest point is Colorado River at 71 feet; Northern Territory's is Timor Sea at 0 feet. Northern Territory's lowest point is 71 feet lower.
Arizona vs Northern Territory Population and History
Population: Arizona has a population of 7,582,384 (2024), while Northern Territory has 265,457 (2025). Arizona's population is 28.6 times larger than Northern Territory's.
Population density: Arizona: 66.7 people per square mile vs Northern Territory: 0.5. Arizona's population density is 133.4 times higher than Northern Territory's.
Largest metro area: Arizona's largest metropolitan area is Phoenix-Mesa-Chandler, AZ metro area (5,186,958 people) vs Northern Territory's Greater Darwin (159,284). Phoenix-Mesa-Chandler, AZ metro area's population is 32.6 times larger than Greater Darwin's.
History: Arizona: Admitted to the Union on February 14, 1912, as the 48th state. Northern Territory: Became a federal territory on January 1, 1911; self-governing since 1978. In its current form, Northern Territory is the older of the two by 1 years.
Arizona vs Northern Territory Economy
GDP: Arizona's GDP is $570.1 billion (2024) vs Northern Territory's $22.4 billion. Arizona's economic output is 25.5 times larger than Northern Territory's.
GDP per capita: Arizona: $75,186 per person vs Northern Territory: $84,383. Northern Territory's GDP per capita is 1.1 times (12%) higher than Arizona's.
Official Websites
Arizona official website · Northern Territory official website
More Size Comparisons
All Arizona 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.