The map above shows Mexico and South Australia side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Mexico vs South Australia Geography
Land area: Mexico has a land area of 750,561 square miles (1,943,945 km²), while South Australia has 380,048 square miles (984,321 km²). Mexico's land area is 2.0 times (97%) larger than South Australia's.
Total area: Mexico: 758,449 square miles (1,964,375 km²) vs South Australia: 380,048 square miles (984,321 km²), including inland and coastal water. Mexico's total area is 2.0 times (100%) larger than South Australia's.
Length: Mexico is 1,890 miles (3,041 km) long from north to south; South Australia is 1,078 miles (1,735 km). Mexico's north-south length is 1.8 times (75%) longer than South Australia's.
Width: Mexico spans 2,021 miles (3,252 km) east to west; South Australia spans 825 miles (1,328 km). Mexico's east-west width is 2.4 times (145%) wider than South Australia's.
Highest point: Mexico's highest point is Pico de Orizaba at 18,491 feet (5,636 m); South Australia's is Mount Woodroffe at 4,708 feet (1,435 m). Pico de Orizaba is 13,783 feet higher than Mount Woodroffe.
Lowest point: Mexico's lowest point is Laguna Salada at -33 feet; South Australia's is Lake Eyre at -49 feet. South Australia's lowest point is 16 feet lower.
Mexico vs South Australia Population and History
Population: Mexico has a population of 131,231,919 (2026), while South Australia has 1,908,182 (2025). Mexico's population is 68.8 times larger than South Australia's.
Population density: Mexico: 174.8 people per square mile vs South Australia: 5.0. Mexico's population density is 35.0 times higher than South Australia's.
Largest metro area: Mexico's largest metropolitan area is Mexico City (17,734,212 people) vs South Australia's Greater Adelaide (1,491,015). Mexico City's population is 11.9 times larger than Greater Adelaide's.
History: Mexico: Independent from Spain since September 27, 1821. South Australia: Became an Australian state at Federation on January 1, 1901; founded as a colony in 1836. In its current form, Mexico is the older of the two by 80 years.
Mexico vs South Australia Economy
GDP: Mexico's GDP is $1,832.6 billion (2025) vs South Australia's $100.2 billion. Mexico's economic output is 18.3 times larger than South Australia's.
GDP per capita: Mexico: $13,889 per person vs South Australia: $52,511. South Australia's GDP per capita is 3.8 times (278%) higher than Mexico's.
Official Websites
Mexico official website · South Australia official website
More Size Comparisons
All Mexico size comparisons · All South 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.