The map above shows Arizona and New South Wales side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Arizona vs New South Wales Geography
Land area: Arizona has a land area of 113,655 square miles (294,366 km²), while New South Wales has 309,130 square miles (800,642 km²). New South Wales' land area is 2.7 times (172%) larger than Arizona's.
Total area: Arizona: 113,985 square miles (295,220 km²) vs New South Wales: 309,130 square miles (800,642 km²), including inland and coastal water. New South Wales' total area is 2.7 times (171%) larger than Arizona's.
Length: Arizona is 429 miles (690 km) long from north to south; New South Wales is 678 miles (1,092 km). New South Wales' north-south length is 1.6 times (58%) longer than Arizona's.
Width: Arizona spans 452 miles (727 km) east to west; New South Wales spans 831 miles (1,338 km). New South Wales' east-west width is 1.8 times (84%) wider than Arizona's.
Highest point: Arizona's highest point is Humphreys Peak at 12,620 feet (3,847 m); New South Wales's is Mount Kosciuszko at 7,310 feet (2,228 m). Humphreys Peak is 5,310 feet higher than Mount Kosciuszko.
Lowest point: Arizona's lowest point is Colorado River at 71 feet; New South Wales's is Pacific Ocean at 0 feet. New South Wales's lowest point is 71 feet lower.
Arizona vs New South Wales Population and History
Population: Arizona has a population of 7,582,384 (2024), while New South Wales has 8,624,534 (2025). New South Wales' population is 1.1 times (14%) larger than Arizona's.
Population density: Arizona: 66.7 people per square mile vs New South Wales: 27.9. Arizona's population density is 2.4 times (139%) higher than New South Wales'.
Largest metro area: Arizona's largest metropolitan area is Phoenix-Mesa-Chandler, AZ metro area (5,186,958 people) vs New South Wales's Greater Sydney (5,638,830). Greater Sydney's population is 1.1 times (9%) larger than Phoenix-Mesa-Chandler, AZ metro area's.
History: Arizona: Admitted to the Union on February 14, 1912, as the 48th state. New South Wales: Became an Australian state at Federation on January 1, 1901; founded as a colony in 1788. In its current form, New South Wales is the older of the two by 11 years.
Arizona vs New South Wales Economy
GDP: Arizona's GDP is $570.1 billion (2024) vs New South Wales's $547.1 billion. Arizona and New South Wales have about the same economic output.
GDP per capita: Arizona: $75,186 per person vs New South Wales: $63,435. Arizona's GDP per capita is 1.2 times (19%) higher than New South Wales'.
Official Websites
Arizona official website · New South Wales official website
More Size Comparisons
All Arizona size comparisons · All New South Wales 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.