The map above shows China and Ontario side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
China vs Ontario Geography
Land area: China has a land area of 3,600,947 square miles (9,326,410 km²), while Ontario has 354,342 square miles (917,741 km²). China's land area is 10.2 times larger than Ontario's.
Total area: China: 3,705,407 square miles (9,596,960 km²) vs Ontario: 415,598 square miles (1,076,395 km²), including inland and coastal water. China's total area is 8.9 times (792%) larger than Ontario's.
Length: China is 2,551 miles (4,105 km) long from north to south; Ontario is 1,085 miles (1,747 km). China's north-south length is 2.4 times (135%) longer than Ontario's.
Width: China spans 3,040 miles (4,892 km) east to west; Ontario spans 1,013 miles (1,630 km). China's east-west width is 3.0 times (200%) wider than Ontario's.
Highest point: China's highest point is Mount Everest at 29,032 feet (8,849 m); Ontario's is Ishpatina Ridge at 2,274 feet (693 m). Mount Everest is 26,758 feet higher than Ishpatina Ridge.
Lowest point: China's lowest point is Turpan Depression at -505 feet; Ontario's is Hudson Bay at 0 feet. China's lowest point is 505 feet lower.
China vs Ontario Population and History
Population: China has a population of 1,404,890,000 (2025), while Ontario has 16,136,480 (2026). China's population is 87.1 times larger than Ontario's.
Population density: China: 390.1 people per square mile vs Ontario: 45.5. China's population density is 8.6 times (757%) higher than Ontario's.
Biggest city: China's biggest city is Shanghai with 24,870,895 people; Ontario's is Toronto with 2,794,356. Shanghai's population is 8.9 times (790%) larger than Toronto's.
Largest metro area: China's largest metropolitan area is Shanghai (29,558,908 people) vs Ontario's Toronto CMA (6,202,225). Shanghai's population is 4.8 times (377%) larger than Toronto CMA's.
History: China: The People's Republic of China was founded on October 1, 1949. Ontario: Joined Confederation on July 1, 1867, as one of the four founding provinces. In its current form, Ontario is the older of the two by 82 years.
China vs Ontario Economy
GDP: China's GDP is $19,498.0 billion (2025) vs Ontario's $873.9 billion. China's economic output is 22.3 times larger than Ontario's.
GDP per capita: China: $13,862 per person vs Ontario: $54,132. Ontario's GDP per capita is 3.9 times (291%) higher than China's.
Official Websites
China official website · Ontario official website
More Size Comparisons
All China size comparisons · All Ontario 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.