The map above shows Italy and United Kingdom side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Italy vs United Kingdom Geography
Land area
- Italy has a land area of 113,568 square miles (294,140 km²), while United Kingdom has 93,410 square miles (241,930 km²).
- Italy's land area is 1.2 times (22%) larger than United Kingdom's.
Total area
- Italy: 116,348 square miles (301,340 km²) vs United Kingdom: 94,058 square miles (243,610 km²), including inland and coastal water.
- Italy's total area is 1.2 times (24%) larger than United Kingdom's.
Length
- Italy is 734 miles (1,181 km) long from north to south; United Kingdom is 747 miles (1,202 km).
- Italy and United Kingdom have about the same north-south length.
Width
- Italy spans 694 miles (1,117 km) east to west; United Kingdom spans 429 miles (690 km).
- Italy's east-west width is 1.6 times (62%) wider than United Kingdom's.
Highest point
- Italy's highest point is Monte Bianco (Mont Blanc) at 15,778 feet (4,809 m); United Kingdom's is Ben Nevis at 4,413 feet (1,345 m).
- Monte Bianco (Mont Blanc) is 11,365 feet higher than Ben Nevis.
Lowest point
- Italy's lowest point is Jolanda di Savoia at -10 feet; United Kingdom's is The Fens (Holme Fen) at -10 feet.
- Both lowest points are at or near sea level.
Italy vs United Kingdom Population and History
Population
- Italy has a population of 58,943,673 (2026), while United Kingdom has 69,487,000 (2025).
- United Kingdom's population is 1.2 times (18%) larger than Italy's.
Population density
- Italy: 519.0 people per square mile vs United Kingdom: 743.9.
- United Kingdom's population density is 1.4 times (43%) higher than Italy's.
Biggest city
- Italy's biggest city is Rome with 2,748,109 people; United Kingdom's is London with 8,825,001.
- London's population is 3.2 times (221%) larger than Rome's.
Largest metro area
- Italy's largest metropolitan area is Metropolitan City of Rome (4,223,885 people) vs United Kingdom's London (10,416,420).
- London's population is 2.5 times (147%) larger than Metropolitan City of Rome's.
History
- Italy: Unified as the Kingdom of Italy on March 17, 1861; a republic since 1946.
- 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, United Kingdom is the older of the two by 60 years.
Italy vs United Kingdom Economy
GDP
- Italy's GDP is $2,551.6 billion (2025) vs United Kingdom's $4,002.6 billion.
- United Kingdom's economic output is 1.6 times (57%) larger than Italy's.
GDP per capita
- Italy: $43,309 per person vs United Kingdom: $57,602.
- United Kingdom's GDP per capita is 1.3 times (33%) higher than Italy's.
Average income
- Italy: $42,080 vs United Kingdom: $54,550 average income per person (per capita personal income).
- United Kingdom's average income is 1.3 times (30%) higher than Italy's.
Official Websites
Italy official website · United Kingdom official website
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More Size Comparisons
All Italy 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.