United Kingdom
United States of America
GBP 1 USD = 0.7584
USD 1 USD = 1.00

Land Area

United States of America flag United States of America
9,833,517 km² Largest
United Kingdom flag United Kingdom
243,610 km² 2.5% of largest
United States of America is 40.37× larger than United Kingdom

Population

United States of America
United States of America flag LARGEST
335M PEOPLE
United Kingdom
United Kingdom flag 20.3% OF LARGEST
67.89M PEOPLE
United States of America flag United States of America 335M
LARGEST 34.1/km²
United Kingdom flag United Kingdom 67.89M
20.3% of largest 278.7/km²
United States of America has 4.93× the population of United Kingdom

GDP

United States of America
United States of America flag LARGEST
$27.36T
United Kingdom
United Kingdom flag 11.4% OF LARGEST
$3.13T
United States of America flag United States of America $27.36T
LARGEST
United Kingdom flag United Kingdom $3.13T
11.4% of largest

Armed Forces

Active Personnel

United States of America
United States of America flag LARGEST
1.35M TROOPS
United Kingdom
United Kingdom flag 11.4% OF LARGEST
153.29K TROOPS
United States of America flag United States of America 1.35Mtroops
LARGEST
United Kingdom flag United Kingdom 153.29Ktroops
11.4% of largest
United States of America has 8.79× the active personnel of United Kingdom

Air Force

United States of America
United States of America flag LARGEST
13.3K AIRCRAFT
United Kingdom
United Kingdom flag 5.5% OF LARGEST
733 AIRCRAFT
United States of America flag United States of America 13.3Kaircraft
LARGEST
United Kingdom flag United Kingdom 733aircraft
5.5% of largest
United States of America has 18.14× the aircraft of United Kingdom

Wealth

Gold Reserves

United States of America
United States of America flag LARGEST
8,133.5 Metric Tonnes
United Kingdom
United Kingdom flag 3.8% OF LARGEST
310.3 Metric Tonnes

Foreign-Exchange Reserves

United States of America
United States of America flag LARGEST
$228B Reserves · excl. gold
United Kingdom
United Kingdom flag 65.4% OF LARGEST
$149B Reserves · excl. gold

Billionaires

United States of America
United States of America flag MOST
813 billionaires
United Kingdom
United Kingdom flag 20% OF MOST
165 billionaires

Oil

Proven Reserves

United States of America
United States of America flag LARGEST
69 Billion barrels
United Kingdom
United Kingdom flag 3.6% OF LARGEST
2.5 Billion barrels

Production & Consumption

United Kingdom
United Kingdom flag NET IMPORTER
Production 0.8M b/d
Consumption 1.5M b/d
−0.8M b/d net
United States of America
United States of America flag NET EXPORTER
Production 20.0M b/d
Consumption 19.0M b/d
+1.0M b/d net

Trade (Import/Export)

United Kingdom
United Kingdom flag $1,142.1B
Exports
$1,142.1B
Imports
$1,174.2B
Trade Balance
$-32.1B Trade Deficit
United States of America
United States of America flag $3,193.5B
Exports
$3,193.5B
Imports
$4,103.1B
Trade Balance
$-909.6B Trade Deficit

Drinks per Person

Coffee kg / person / yr
United States of America flag
United States of America consumption
4.2kg
United Kingdom flag
United Kingdom consumption
3.3kg
Tea kg / person / yr
United Kingdom flag
United Kingdom consumption
1.9kg
United States of America flag
United States of America consumption
0.4kg
Beer litres / person / yr
United Kingdom flag
United Kingdom consumption
73L
United States of America flag
United States of America consumption
73L
Wine litres / person / yr
United Kingdom flag
United Kingdom consumption
22L
United States of America flag
United States of America consumption
12L
Alcohol litres pure alcohol / person / yr
United Kingdom flag
United Kingdom consumption
10.4L
United States of America flag
United States of America consumption
9.6L
Smoking % of adults 15+ who smoke
United States of America flag
United States of America
9.2%
United Kingdom flag
United Kingdom
7.8%
Per-capita — consumption where available, else FAOSTAT supply · alcohol = litres of pure alcohol; smoking = % of adults 15+ (WHO)

Olympic Medals

United States of America flag
United States of America
1,233 Gold
1,013 Silver
889 Bronze
3,135 Total Medals
☀ Summer: 2,772 ❄ Winter: 363
United Kingdom flag
United Kingdom
320 Gold
348 Silver
362 Bronze
1,030 Total Medals
☀ Summer: 991 ❄ Winter: 39

Religious Demographics

Religious Distribution

Religious Composition by Country

United Kingdom flag United Kingdom
United States of America flag United States of America

Age Demographics

Median Age

United Kingdom flag United Kingdom
OLDEST
40.6 YEARS
10 30 50 70
United States of America flag United States of America
YOUNGEST
38.8 YEARS
10 30 50 70

Age Distribution

Population breakdown by age bracket (percentage)

Demographic Insights
Age Gap United Kingdom is 1.8 years older (median) than United States of America
Youth Population United States of America has the highest youth population at 38.4% (under 30)
Elderly Population United Kingdom has the highest elderly population at 23.4% (60+)

Global Statistics

Metric
United Kingdom flag United Kingdom
United States of America flag United States of America
Travel & Mobility
Passport Power visa-free destinations
188
186
Tourist Arrivals per year
37.0M
66.5M
Culture & Prestige
Nobel Laureates all-time
138
411
3-Michelin-Star Restaurants current guide
8
13
Figures as of 2026. Sources: IMF, EIA/OPEC, Henley Passport Index, UNWTO, Forbes, Michelin Guide, Nobel Foundation.

Cost of Living

Metric
All indices use New York City as base (100) Lower values indicate lower costs.
United Kingdom flag United Kingdom
United States of America flag United States of America
Cost of Living Index
67.8
71.0
Rent Index
35.2
43.5
Groceries Index
58.5
69.8
Restaurant Price Index
69.0
73.2
Local Purchasing Power
88.0
100.0
Common Expenses Comparison
Meal at Inexpensive Restaurant (USD) $15 $20.0
Three-Course Meal for 2 (USD) $65 $80.0
Monthly Rent - City Center (USD) $1,500 $1,950.0
Monthly Rent - Outside Center (USD) $1,100 $1,500.0
Monthly Utilities (USD) $190 $175.0
Internet (60 Mbps, USD) $35 $68.0
Monthly Public Transport Pass (USD) $85 $85.0

Historical Data

GDP Over Time

Population Over Time

GDP per Capita Over Time

Gold Reserves Over Time

Foreign-Exchange Reserves Over Time

Exports Over Time

Imports Over Time

Trade Balance Over Time

Basic Information

Metric United Kingdom United States of America
Population 67886000 335000000
Area (sq km) 243610 9833517
Capital London Washington, D.C.
Official Language English English (de facto)
Currency Pound Sterling (GBP) United States Dollar (USD)
Government Type Unitary parliamentary constitutional monarchy Federal presidential constitutional republic

Military Strength

Metric United Kingdom United States of America
Active Personnel 153,290 1,347,300
Reserve Personnel 81,500 799,500
Total Military Personnel 234,790 2,146,800
Defense Budget (USD) $68,400,000,000 $816,000,000,000.0
Tanks 227 6,612
Armored Vehicles 5,015 45,193
Self-Propelled Artillery 89 1,498
Towed Artillery 126 1,339
Rocket Projectors 44 1,366

Economy

Metric United Kingdom United States of America
GDP (USD) $3,131,000,000,000 $27,360,935,000,000.0
GDP Per Capita (USD) $46,200 $81,695.0
Unemployment Rate (%) 3.8% 3.5%
GINI Index (Income Inequality) 35.1 41.4
Currency Pound Sterling (GBP) United States Dollar (USD)
Direct Currency Comparison (1 unit of row currency equals X units of column currency)
United Kingdom Currency 1.00 (Same) 0.7584 Weaker
United States of America Currency 1.3186 Stronger 1.00 (Same)
USD Base Exchange Rates (All calculations use USD as the base currency)
Currency GBP USD
1 USD equals 0.7584 GBP Updated: 2026-06-27 1.0000 USD Updated: 2026-06-27

Interesting Comparisons & Trivia

Did You Know?

United States of America is 40.4 times larger in area than United Kingdom. That's a massive difference!
United States of America has 4.9 times more people than United Kingdom.
United States of America has the highest GDP per capita at $81,695.0 among the selected countries.
United States of America has the largest economy with a GDP of $27.36 trillion.
United States of America has the largest active military personnel with 1,347,300 troops.
United States of America has the largest air force with 13,300 aircraft.
United States of America has the largest navy with 472 vessels.
UK Fact: The London Underground is the oldest underground railway network in the world, opening in 1863.
USA Fact: The United States has more airports than any other country in the world, with over 13,000 airports.

United Kingdom vs United States of America: Key Comparisons

Economy: United States of America's GDP of $27.4T is 8.7x larger than United Kingdom's $3.1T — both among the world's largest economies.
Population: United States of America's population of 335M is 4.9x larger than United Kingdom's 68M.
Area: United States of America covers 9,833,517 km², making it 40.4x larger than United Kingdom.
Military: United States of America fields 1.3Million active troops vs United Kingdom's 150Thousand.
Trade: United Kingdom has a trade deficit of $32B while United States of America has a trade deficit of $910B.
Life Expectancy: United Kingdom leads with a life expectancy of 81 years vs United States of America's 79.
Data compiled from World Bank, IMF, Global Firepower, SIPRI, Numbeo, and Pew Research. Last updated June 2026. Sources & methodology