The map above shows China and South Australia side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
China vs South Australia Geography
Land area: China has a land area of 3,600,947 square miles (9,326,410 km²), while South Australia has 380,048 square miles (984,321 km²). China's land area is 9.5 times (847%) larger than South Australia's.
Total area: China: 3,705,407 square miles (9,596,960 km²) vs South Australia: 380,048 square miles (984,321 km²), including inland and coastal water. China's total area is 9.7 times (875%) larger than South Australia's.
Length: China is 2,551 miles (4,105 km) long from north to south; South Australia is 1,078 miles (1,735 km). China's north-south length is 2.4 times (137%) longer than South Australia's.
Width: China spans 3,040 miles (4,892 km) east to west; South Australia spans 825 miles (1,328 km). China's east-west width is 3.7 times (268%) wider than South Australia's.
Highest point: China's highest point is Mount Everest at 29,032 feet (8,849 m); South Australia's is Mount Woodroffe at 4,708 feet (1,435 m). Mount Everest is 24,324 feet higher than Mount Woodroffe.
Lowest point: China's lowest point is Turpan Depression at -505 feet; South Australia's is Lake Eyre at -49 feet. China's lowest point is 456 feet lower.
China vs South Australia Population and History
Population: China has a population of 1,404,890,000 (2025), while South Australia has 1,908,182 (2025). China's population is 736.2 times larger than South Australia's.
Population density: China: 390.1 people per square mile vs South Australia: 5.0. China's population density is 78.0 times higher than South Australia's.
Largest metro area: China's largest metropolitan area is Shanghai (29,558,908 people) vs South Australia's Greater Adelaide (1,491,015). Shanghai's population is 19.8 times larger than Greater Adelaide's.
History: China: The People's Republic of China was founded on October 1, 1949. South Australia: Became an Australian state at Federation on January 1, 1901; founded as a colony in 1836. In its current form, South Australia is the older of the two by 48 years.
China vs South Australia Economy
GDP: China's GDP is $19,498.0 billion (2025) vs South Australia's $100.2 billion. China's economic output is 194.6 times larger than South Australia's.
GDP per capita: China: $13,862 per person vs South Australia: $52,511. South Australia's GDP per capita is 3.8 times (279%) higher than China's.
Official Websites
China official website · South Australia official website
More Size Comparisons
All China 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.