The map above shows New Mexico and Western Australia side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
New Mexico vs Western Australia Geography
Land area: New Mexico has a land area of 121,313 square miles (314,198 km²), while Western Australia has 975,685 square miles (2,527,013 km²). Western Australia's land area is 8.0 times (704%) larger than New Mexico's.
Total area: New Mexico: 121,593 square miles (314,925 km²) vs Western Australia: 975,685 square miles (2,527,013 km²), including inland and coastal water. Western Australia's total area is 8.0 times (702%) larger than New Mexico's.
Length: New Mexico is 395 miles (635 km) long from north to south; Western Australia is 1,590 miles (2,558 km). Western Australia's north-south length is 4.0 times (303%) longer than New Mexico's.
Width: New Mexico spans 498 miles (801 km) east to west; Western Australia spans 1,286 miles (2,069 km). Western Australia's east-west width is 2.6 times (158%) wider than New Mexico's.
Highest point: New Mexico's highest point is Wheeler Peak at 13,150 feet (4,008 m); Western Australia's is Mount Meharry at 4,098 feet (1,249 m). Wheeler Peak is 9,052 feet higher than Mount Meharry.
Lowest point: New Mexico's lowest point is Red Bluff Reservoir at 2,842 feet; Western Australia's is Indian Ocean at 0 feet. Western Australia's lowest point is 2,842 feet lower.
New Mexico vs Western Australia Population and History
Population: New Mexico has a population of 2,130,256 (2024), while Western Australia has 3,061,672 (2025). Western Australia's population is 1.4 times (44%) larger than New Mexico's.
Population density: New Mexico: 17.6 people per square mile vs Western Australia: 3.1. New Mexico's population density is 5.7 times (468%) higher than Western Australia's.
Largest metro area: New Mexico's largest metropolitan area is Albuquerque, NM metro area (926,303 people) vs Western Australia's Greater Perth (2,452,765). Greater Perth's population is 2.6 times (165%) larger than Albuquerque, NM metro area's.
History: New Mexico: Admitted to the Union on January 6, 1912, as the 47th state. Western Australia: Became an Australian state at Federation on January 1, 1901; founded as a colony in 1829. In its current form, Western Australia is the older of the two by 11 years.
New Mexico vs Western Australia Economy
GDP: New Mexico's GDP is $147.1 billion (2024) vs Western Australia's $304.6 billion. Western Australia's economic output is 2.1 times (107%) larger than New Mexico's.
GDP per capita: New Mexico: $69,046 per person vs Western Australia: $99,488. Western Australia's GDP per capita is 1.4 times (44%) higher than New Mexico's.
Official Websites
New Mexico official website · Western Australia official website
More Size Comparisons
All New Mexico size comparisons · All Western Australia 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.