The map above shows New South Wales and Northern Territory side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
New South Wales vs Northern Territory Geography
Land area: New South Wales has a land area of 309,130 square miles (800,642 km²), while Northern Territory has 520,902 square miles (1,349,129 km²). Northern Territory's land area is 1.7 times (69%) larger than New South Wales'.
Total area: New South Wales: 309,130 square miles (800,642 km²) vs Northern Territory: 520,902 square miles (1,349,129 km²), including inland and coastal water. Northern Territory's total area is 1.7 times (69%) larger than New South Wales'.
Length: New South Wales is 678 miles (1,092 km) long from north to south; Northern Territory is 1,092 miles (1,758 km). Northern Territory's north-south length is 1.6 times (61%) longer than New South Wales'.
Width: New South Wales spans 831 miles (1,338 km) east to west; Northern Territory spans 610 miles (981 km). New South Wales' east-west width is 1.4 times (36%) wider than Northern Territory's.
Highest point: New South Wales's highest point is Mount Kosciuszko at 7,310 feet (2,228 m); Northern Territory's is Mount Zeil at 5,023 feet (1,531 m). Mount Kosciuszko is 2,287 feet higher than Mount Zeil.
Lowest point: New South Wales's lowest point is Pacific Ocean at 0 feet; Northern Territory's is Timor Sea at 0 feet. Both lowest points are at or near sea level.
New South Wales vs Northern Territory Population and History
Population: New South Wales has a population of 8,624,534 (2025), while Northern Territory has 265,457 (2025). New South Wales' population is 32.5 times larger than Northern Territory's.
Population density: New South Wales: 27.9 people per square mile vs Northern Territory: 0.5. New South Wales' population density is 55.8 times higher than Northern Territory's.
Largest metro area: New South Wales's largest metropolitan area is Greater Sydney (5,638,830 people) vs Northern Territory's Greater Darwin (159,284). Greater Sydney's population is 35.4 times larger than Greater Darwin's.
History: New South Wales: Became an Australian state at Federation on January 1, 1901; founded as a colony in 1788. Northern Territory: Became a federal territory on January 1, 1911; self-governing since 1978. In its current form, New South Wales is the older of the two by 10 years.
New South Wales vs Northern Territory Economy
GDP: New South Wales's GDP is $547.1 billion (2025) vs Northern Territory's $22.4 billion. New South Wales' economic output is 24.4 times larger than Northern Territory's.
GDP per capita: New South Wales: $63,435 per person vs Northern Territory: $84,383. Northern Territory's GDP per capita is 1.3 times (33%) higher than New South Wales'.
Official Websites
New South Wales official website · Northern Territory official website
More Size Comparisons
All New South Wales 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.