Head-to-Head

United States vs South Korea

Side-by-side military and economic comparison. Blue is United States, red is South Korea. Every figure links back to its full world ranking.
🇺🇸 United States
MIL. STRENGTH #1
VS
🇰🇷 South Korea
MIL. STRENGTH #5
335M 52M
👥 Population
$29.2T $1.9T
📈 GDP (Nominal)
$877B $48B
💰 Defense Budget
1.4M 555k
🪖 Active Personnel
📈 United States's economy is 15× larger
💰 United States's defense budget is 18× larger
🪖 United States's active force is 2.5× larger
✈️ United States's air fleet is 8.3× larger
👥 United States's population is 6.4× larger
MANPOWERLANDAIRNAVALECONOMYBUDGET
United StatesSouth Korea
Fleet Modernity — Quality, Not Just Count
ADVANCED
✈️ Air Fleet
MODERN
ADVANCED
🛡️ Armor Fleet
MODERN
ADVANCED
⚓ Naval Fleet
MODERN
LEADING
🛰️ Drones / UAV
MODERATE
Tiers weight fleet generation and era, not raw counts — a smaller modern fleet often outmatches a larger obsolete one on paper.
Leads More Categories
★ United States
United States wins 6 of 6 · South Korea wins 0 of 6
Manpower
★ United States
Financials
★ United States
Airpower
★ United States
Land Power
★ United States
Naval Power
★ United States
Strategic
★ United States
Manpower
★ 335,000,000
👥 Total Population
52,000,000
★ 1,390,000
🪖 Active Personnel
555,000
442,000
🎖️ Reserve Personnel
3,100,000 ★
0
👮 Paramilitary Forces
n/a
Financials
★ $877B
💰 Defense Budget
$48B
★ $29,200B
📈 GDP (Nominal)
$1,900B
Airpower
★ 13,250
✈️ Total Aircraft
1,590
★ 1,850
🛩️ Fighter Aircraft
400
★ 11,400
🛫 Bombers & Other Aircraft
1,190
★ 5,463
🚁 Helicopters (Total)
n/a
Land Power
★ 4,650
🛡️ Tank Strength
2,500
★ 39,223
🚚 Armored Vehicles
n/a
★ 1,498
💥 Towed Artillery
n/a
Naval Power
★ 440
⚓ Fleet Strength
230
★ 68
🌊 Submarines
22
★ 11
🛳️ Aircraft Carriers
0
Strategic
★ 5,177
☢️ Nuclear Warheads
0
Full profile
🇺🇸 United States
Category winners count metric-by-metric leads only; "n/a" values count as zero, so data gaps can skew a category. Cross-check before citing.