The map above shows New Mexico and New South Wales side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
New Mexico vs New South Wales Geography
Land area: New Mexico has a land area of 121,313 square miles (314,198 km²), while New South Wales has 309,130 square miles (800,642 km²). New South Wales' land area is 2.5 times (155%) larger than New Mexico's.
Total area: New Mexico: 121,593 square miles (314,925 km²) vs New South Wales: 309,130 square miles (800,642 km²), including inland and coastal water. New South Wales' total area is 2.5 times (154%) larger than New Mexico's.
Length: New Mexico is 395 miles (635 km) long from north to south; New South Wales is 678 miles (1,092 km). New South Wales' north-south length is 1.7 times (72%) longer than New Mexico's.
Width: New Mexico spans 498 miles (801 km) east to west; New South Wales spans 831 miles (1,338 km). New South Wales' east-west width is 1.7 times (67%) wider than New Mexico's.
Highest point: New Mexico's highest point is Wheeler Peak at 13,150 feet (4,008 m); New South Wales's is Mount Kosciuszko at 7,310 feet (2,228 m). Wheeler Peak is 5,840 feet higher than Mount Kosciuszko.
Lowest point: New Mexico's lowest point is Red Bluff Reservoir at 2,842 feet; New South Wales's is Pacific Ocean at 0 feet. New South Wales's lowest point is 2,842 feet lower.
New Mexico vs New South Wales Population and History
Population: New Mexico has a population of 2,130,256 (2024), while New South Wales has 8,624,534 (2025). New South Wales' population is 4.0 times (305%) larger than New Mexico's.
Population density: New Mexico: 17.6 people per square mile vs New South Wales: 27.9. New South Wales' population density is 1.6 times (59%) higher than New Mexico's.
Largest metro area: New Mexico's largest metropolitan area is Albuquerque, NM metro area (926,303 people) vs New South Wales's Greater Sydney (5,638,830). Greater Sydney's population is 6.1 times (509%) larger than Albuquerque, NM metro area's.
History: New Mexico: Admitted to the Union on January 6, 1912, as the 47th 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.
New Mexico vs New South Wales Economy
GDP: New Mexico's GDP is $147.1 billion (2024) vs New South Wales's $547.1 billion. New South Wales' economic output is 3.7 times (272%) larger than New Mexico's.
GDP per capita: New Mexico: $69,046 per person vs New South Wales: $63,435. New Mexico's GDP per capita is 1.1 times (9%) higher than New South Wales'.
Official Websites
New Mexico official website · New South Wales official website
More Size Comparisons
All New Mexico 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.