The map above shows New Jersey and United Kingdom side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
New Jersey vs United Kingdom Geography
Land area: New Jersey has a land area of 7,355 square miles (19,049 km²), while United Kingdom has 93,410 square miles (241,930 km²). United Kingdom's land area is 12.7 times larger than New Jersey's.
Total area: New Jersey: 8,719 square miles (22,583 km²) vs United Kingdom: 94,058 square miles (243,610 km²), including inland and coastal water. United Kingdom's total area is 10.8 times larger than New Jersey's.
Length: New Jersey is 169 miles (271 km) long from north to south; United Kingdom is 747 miles (1,202 km). United Kingdom's north-south length is 4.4 times (342%) longer than New Jersey's.
Width: New Jersey spans 129 miles (207 km) east to west; United Kingdom spans 429 miles (690 km). United Kingdom's east-west width is 3.3 times (233%) wider than New Jersey's.
Highest point: New Jersey's highest point is High Point at 1,798 feet (548 m); United Kingdom's is Ben Nevis at 4,413 feet (1,345 m). Ben Nevis is 2,615 feet higher than High Point.
Lowest point: New Jersey's lowest point is Atlantic Ocean at 0 feet; United Kingdom's is The Fens (Holme Fen) at -10 feet. United Kingdom's lowest point is 10 feet lower.
New Jersey vs United Kingdom Population and History
Population: New Jersey has a population of 9,500,851 (2024), while United Kingdom has 69,487,000 (2025). United Kingdom's population is 7.3 times (631%) larger than New Jersey's.
Population density: New Jersey: 1,291.8 people per square mile vs United Kingdom: 743.9. New Jersey's population density is 1.7 times (74%) higher than United Kingdom's.
Biggest city: New Jersey's biggest city is Newark with 317,303 people; United Kingdom's is London with 8,825,001. London's population is 27.8 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 United Kingdom's London (10,416,420). New York-Newark-Jersey City, NY-NJ metro area's population is 1.9 times (91%) larger than London's.
History: New Jersey: Admitted to the Union on December 18, 1787, as the 3rd state. United Kingdom: Formed as the United Kingdom of Great Britain and Ireland on January 1, 1801; took its current form in 1922. In its current form, New Jersey is the older of the two by 14 years.
New Jersey vs United Kingdom Economy
GDP: New Jersey's GDP is $846.0 billion (2024) vs United Kingdom's $4,002.6 billion. United Kingdom's economic output is 4.7 times (373%) larger than New Jersey's.
GDP per capita: New Jersey: $89,045 per person vs United Kingdom: $57,602. New Jersey's GDP per capita is 1.5 times (55%) higher than United Kingdom's.
Average income: New Jersey: $84,893 vs United Kingdom: $54,550 average income per person (per capita personal income). New Jersey's average income is 1.6 times (56%) higher than United Kingdom's.
Official Websites
New Jersey official website · United Kingdom official website
More Size Comparisons
All New Jersey size comparisons · All United Kingdom 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.