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Air Forces comparison: Flag of Japan Japan vs Flag of United States United States

United States's air force fields 12,892 active aircraft — 9.9:1 Japan's 1,301.

AIRS (Air Inventory Rating of Strength) Index face-off Full ranking →
Roundel of Japan JapanWorld #5 28.6
AIRS Index / 100

United States leads on 7 of 7 categories

Roundel of United States United StatesWorld #1 100.0
  • 0 Bombersweight ×100 · generation 147
  • 344 Combat aircraftweight ×50 · generation 3,002
  • 430 Helicoptersweight ×10 · era 5,505
  • 113 Transportweight ×10 1,369
  • 113 Special missionweight ×8 1,222
  • 2 UAVsweight ×10 193
  • 299 Trainersweight ×1 1,454
Japan United States Bars: weighted contribution to the AIRS Index (airframes × category weight; combat and bombers by generation tier, helicopters by era; the enabler, armament and availability multipliers apply on top) · figures: active airframes at each side's latest inventory year · Methodology
Key figures as of 2026
Japan United States Ratio
Official name Japan Air Self-Defense Force United States Air Force
Active aircraft 1,301 12,892 🇺🇸 9.9×
Aircraft on order 369 3,083 🇺🇸 8.4×
Combat aircraft 344 3,002 🇺🇸 8.7×
Combat share of fleet 26.4 % 23.3 % 🇯🇵 1.1×
Aircraft types in service 36 87 🇺🇸 2.4×
Main supplier United States · 64 % United States · 94 %
Show full breakdown · 6 more rowsHide the 6 extra rows
Bombers 0 147 🇺🇸
Helicopters 430 5,505 🇺🇸 13×
Transport aircraft 113 1,369 🇺🇸 12×
Special-mission aircraft 113 1,222 🇺🇸 11×
Trainers 299 1,454 🇺🇸 4.9×
UAVs 2 193 🇺🇸 96×
Backbone aircraft most numerous in service
🇯🇵 JapanF-15 Eagle ×200UH-1 Iroquois "Huey" ×93Mitsubishi F-2 ×90
🇺🇸 United StatesUH-60 Black Hawk ×2,205F-16 Fighting Falcon ×846AH-64 Apache ×822
Fleet evolution · Japan
Fleet evolution · United States
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Frequently Asked Questions

Which country has more military aircraft, Japan or United States?
United States has more military aircraft with 12,892 active aircraft compared to Japan's 1,301, a difference of 11,591 aircraft.
Which air force has more combat aircraft, Japan or United States?
United States has more combat aircraft with 3,002 fighters and attack aircraft compared to Japan's 344.
Which country has more military helicopters, Japan or United States?
United States operates more military helicopters with 5,505 compared to Japan's 430.
Which air force has more transport aircraft, Japan or United States?
United States has more transport aircraft with 1,369 compared to Japan's 113.
How do the Japan and United States air forces compare in size?
United States's air force is 9.9 times larger than Japan's in terms of total active aircraft (12,892 vs 1,301).
Which country has more aircraft on order, Japan or United States?
United States has 3,083 aircraft on order compared to Japan's 369.