The map above shows British Columbia and Western Australia side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
British Columbia vs Western Australia Geography
Land area: British Columbia has a land area of 357,216 square miles (925,186 km²), while Western Australia has 975,685 square miles (2,527,013 km²). Western Australia's land area is 2.7 times (173%) larger than British Columbia's.
Total area: British Columbia: 364,764 square miles (944,735 km²) vs Western Australia: 975,685 square miles (2,527,013 km²), including inland and coastal water. Western Australia's total area is 2.7 times (167%) larger than British Columbia's.
Length: British Columbia is 1,017 miles (1,637 km) long from north to south; Western Australia is 1,590 miles (2,558 km). Western Australia's north-south length is 1.6 times (56%) longer than British Columbia's.
Width: British Columbia spans 1,245 miles (2,003 km) east to west; Western Australia spans 1,286 miles (2,069 km). British Columbia and Western Australia have about the same east-west width.
Highest point: British Columbia's highest point is Mount Fairweather at 15,299 feet (4,663 m); Western Australia's is Mount Meharry at 4,098 feet (1,249 m). Mount Fairweather is 11,201 feet higher than Mount Meharry.
Lowest point: British Columbia's lowest point is Pacific Ocean at 0 feet; Western Australia's is Indian Ocean at 0 feet. Both lowest points are at or near sea level.
British Columbia vs Western Australia Population and History
Population: British Columbia has a population of 5,658,528 (2026), while Western Australia has 3,061,672 (2025). British Columbia's population is 1.8 times (85%) larger than Western Australia's.
Population density: British Columbia: 15.8 people per square mile vs Western Australia: 3.1. British Columbia's population density is 5.1 times (410%) higher than Western Australia's.
Largest metro area: British Columbia's largest metropolitan area is Vancouver CMA (2,642,825 people) vs Western Australia's Greater Perth (2,452,765). Vancouver CMA's population is 1.1 times (8%) larger than Greater Perth's.
History: British Columbia: Joined Confederation on July 20, 1871. Western Australia: Became an Australian state at Federation on January 1, 1901; founded as a colony in 1829. In its current form, British Columbia is the older of the two by 30 years.
British Columbia vs Western Australia Economy
GDP: British Columbia's GDP is $313.3 billion (2024) vs Western Australia's $304.6 billion. British Columbia and Western Australia have about the same economic output.
GDP per capita: British Columbia: $55,241 per person vs Western Australia: $99,488. Western Australia's GDP per capita is 1.8 times (80%) higher than British Columbia's.
Official Websites
British Columbia official website · Western Australia official website
More Size Comparisons
All British Columbia 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.