Army comparison: 
Iran vs 
United States
United States's army fields 171,065 active vehicles — 26:1 Iran's 6,676. Additionally, Iran has 0 and United States has 12,800 vehicles in storage.
Ground forces pillar (ARMS Index) face-off All armies →
IranGround pillar #10
72.4
Ground pillar / 100
United States leads on 6 of 7 categories
United StatesGround pillar #1
100.0
Iran
United States
Bars: weighted contribution to the ARMS ground pillar (vehicles × category weight, active + 0.3 × stored) · figures: active vehicles at each side's latest inventory year · Methodology
Key figures as of 2026
| Iran | United States | Ratio | |
|---|---|---|---|
| Total vehicles | 6,676 | 171,065 | 🇺🇸 26× |
| In storage | 0 | 12,800 | 🇺🇸 |
| On order | 800 | 12,602 | 🇺🇸 16× |
| Main battle tanks | 1,513 | 2,666 | 🇺🇸 1.8× |
| Artillery pieces | 3,798 | 4,930 | 🇺🇸 1.3× |
| Armoured fighting vehicles | 1,365 | 163,469 | 🇺🇸 120× |
| Active military personnel (all branches) | 610,000 | 1,326,050 | 🇺🇸 2.2× |
| Reserve military personnel (all branches) | 350,000 | 806,700 | 🇺🇸 2.3× |
Show full breakdown · 5 more rowsHide the 5 extra rows
| Infantry fighting vehicles | 610 | 7,724 | 🇺🇸 13× |
| Armoured personnel carriers | 640 | 6,863 | 🇺🇸 11× |
| Self-propelled artillery | 292 | 1,521 | 🇺🇸 5.2× |
| Towed artillery | 2,030 | 1,878 | 🇮🇷 1.1× |
| Rocket artillery | 1,476 | 1,531 | 🇺🇸 ≈ |
Backbone vehicles most numerous in service
Analyst Assessment
Run the wargame simulation →Verdict
Edge: United States
The United States holds a decisive advantage over Iran in ground forces, fielding roughly 171,000 active vehicles against Iran's 6,676, with a modern, uniform fleet built around 2,640 M1 Abrams, 3,510 M2 Bradleys and 1,521 M109 Paladins, backed by unmatched sustainment and recent operational experience. Iran's ground army is large in manpower and rocket artillery, but its armour is largely 1960s-1980s vintage and its strength lies in defensive depth and dispersal rather than manoeuvre.
Domain by domain
Armour
Edge: United States
🇮🇷 Iran1,513 MBTs: 540 Safir 74 (T-54/55 derivative), 480 T-72, 168 M48A5 Patton; 800 domestic Bani Hashim Karrar on order. Fire control, optics and armour protection lag a generation or more behind Western standards.
🇺🇸 United States2,666 MBTs, of which 2,640 are M1 Abrams in successive modernised variants, plus 12,800 vehicles in storage. Single-type fleet simplifies training, spares and upgrade cycles; combined-arms manoeuvre doctrine.
Artillery & rocket forces
Edge: United States
🇮🇷 Iran3,798 tubes, weighted toward towed guns: 985 M-46, 540 D-30, only 292 self-propelled. 1,476 rocket launchers including 700 Type 63 MRL and 600 Fajr 1 — mass and volume over precision and mobility.
🇺🇸 United States4,930 tubes with 1,521 self-propelled M109 Paladin (689 more on order), 1,000 M777, and 991 M270 MLRS firing guided rockets. Networked counter-battery and precision fires at extended range.
Mechanised infantry
Edge: United States
Reserves & mobilisation
Edge: United States
🇮🇷 Iran610,000 active and 350,000 reserves, with a parallel Basij mobilisation structure providing large light-infantry manpower for territorial defence — numerically deep but thinly equipped and lightly armoured.
🇺🇸 United States1,326,050 active and 806,700 reserves across services, with National Guard formations holding equipment sets. Mobilisation is slower to project but far better equipped per soldier.
Sustainment & industry
Edge: United States
🇮🇷 IranDomestic production under long-standing sanctions yields indigenous designs such as Safir 74 and the Bani Hashim Karrar, but spares for Western-origin M48, M109 and M113 stocks are constrained; zero declared storage reserve.
🇺🇸 United StatesDeep industrial base, 12,800 stored vehicles and 12,602 on order sustain attrition replacement and continuous modernisation. Global logistics network supports sustained expeditionary operations.
Wildcards
- Geography and defensive depth Iran's ground forces fight on interior lines across mountainous terrain that favours dispersed, attritional defence and complicates armoured manoeuvre. US formations would depend on regional basing and access to project and sustain comparable mass.
- Asymmetric and irregular methods Iranian doctrine emphasises dispersal, tunnelling, anti-tank ambush and mass rocket fires over armoured battle. That approach blunts the value of a raw vehicle-count comparison in defensive scenarios on Iranian soil.
- Recent operational experience US ground formations retain two decades of large-scale deployment, combined-arms rotations and joint-fires integration. Iranian regular army experience is comparatively limited, though its forces have long advisory exposure to regional conflicts.
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Editorial assessment produced from the figures on this page and public sources; it is an informed reading, not a military assessment or a prediction.
Frequently Asked Questions
Which country has more armored vehicles, Iran or United States?
United States has a larger ground force with 171,065 vehicles compared to Iran's 6,676 vehicles.
Which country has more tanks, Iran or United States?
United States operates more main battle tanks with 2,666 compared to Iran's 1,513.
Which army has more infantry fighting vehicles, Iran or United States?
United States has 7,724 infantry fighting vehicles compared to Iran's 610.
Which country has more armored personnel carriers, Iran or United States?
United States operates 6,863 APCs compared to Iran's 640.
Which country has more artillery systems, Iran or United States?
United States fields 4,930 artillery systems (self-propelled, towed, and MLRS) compared to Iran's 3,798.
How do the Iran and United States armies compare in size?
United States's army is 25.6 times larger than Iran's in terms of total vehicles (171,065 vs 6,676).