The map above shows New Jersey and China side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
New Jersey vs China Geography
Land area: New Jersey has a land area of 7,355 square miles (19,049 km²), while China has 3,600,947 square miles (9,326,410 km²). China's land area is 489.6 times larger than New Jersey's.
Total area: New Jersey: 8,719 square miles (22,583 km²) vs China: 3,705,407 square miles (9,596,960 km²), including inland and coastal water. China's total area is 425.0 times larger than New Jersey's.
Length: New Jersey is 169 miles (271 km) long from north to south; China is 2,551 miles (4,105 km). China's north-south length is 15.1 times longer than New Jersey's.
Width: New Jersey spans 129 miles (207 km) east to west; China spans 3,040 miles (4,892 km). China's east-west width is 23.6 times wider than New Jersey's.
Highest point: New Jersey's highest point is High Point at 1,798 feet (548 m); China's is Mount Everest at 29,032 feet (8,849 m). Mount Everest is 27,234 feet higher than High Point.
Lowest point: New Jersey's lowest point is Atlantic Ocean at 0 feet; China's is Turpan Depression at -505 feet. China's lowest point is 505 feet lower.
New Jersey vs China Population and History
Population: New Jersey has a population of 9,500,851 (2024), while China has 1,404,890,000 (2025). China's population is 147.9 times larger than New Jersey's.
Population density: New Jersey: 1,291.8 people per square mile vs China: 390.1. New Jersey's population density is 3.3 times (231%) higher than China's.
Biggest city: New Jersey's biggest city is Newark with 317,303 people; China's is Shanghai with 24,870,895. Shanghai's population is 78.4 times larger than Newark's.
Largest metro area: New Jersey's largest metropolitan area is New York-Newark-Jersey City, NY-NJ metro area (19,940,274 people) vs China's Shanghai (29,558,908). Shanghai's population is 1.5 times (48%) larger than New York-Newark-Jersey City, NY-NJ metro area's.
History: New Jersey: Admitted to the Union on December 18, 1787, as the 3rd state. China: The People's Republic of China was founded on October 1, 1949. In its current form, New Jersey is the older of the two by 162 years.
New Jersey vs China Economy
GDP: New Jersey's GDP is $846.0 billion (2024) vs China's $19,498.0 billion. China's economic output is 23.0 times larger than New Jersey's.
GDP per capita: New Jersey: $89,045 per person vs China: $13,862. New Jersey's GDP per capita is 6.4 times (542%) higher than China's.
Average income: New Jersey: $84,893 vs China: $14,230 average income per person (per capita personal income). New Jersey's average income is 6.0 times (497%) higher than China's.
Official Websites
New Jersey official website · China official website
More Size Comparisons
All New Jersey size comparisons · All China 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.