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Military Strength: Flag of Iran Iran vs Flag of Saudi Arabia Saudi Arabia

Saudi Arabia (ranked #12 globally) holds a stronger overall military position than Iran (#27) on the ATLAS Index. Iran fields 610,000 active troops — 2.4:1 Saudi Arabia's 257,000, backed by 350,000 reserves and 40,000 paramilitary. Saudi Arabia's $88B defense budget is 9.3:1 that of Iran ($9.5B).

ATLAS (Aggregate Total of Land, Air and Sea strength) Index face-off Full ranking →
Flag of Iran IranWorld #27 39.9
ATLAS Index / 100

Saudi Arabia leads on 4 of 6 pillars

Flag of Saudi Arabia Saudi ArabiaWorld #12 49.2
  • 71.2610K active troops Manpower10 % 56.3257K active troops
  • 53.61,513 battle tanks Ground forces20 % 59.61,085 battle tanks
  • 27.177 warships Naval power20 % 42.567 warships
  • 36.6250 combat aircraft Air power25 % 53.9384 combat aircraft
  • 10.40 warheads Nuclear deterrent10 % 0.00 warheads
  • 40.1$9.5B budget Defense budget15 % 60.5$88B budget
Iran Saudi Arabia Pillar scores 0–100 (weight under each label) over a headline figure from that domain · each conventional pillar read after its branch's availability proxy · Methodology
Key figures
Iran Saudi Arabia Ratio
Defense budget $9.5B $88B 🇸🇦 9.3×
– share of GDP 2.0% 7.1% 🇸🇦 3.5×
Active personnel 610,000 257,000 🇮🇷 2.4×
Combat aircraft 250 384 🇸🇦 1.5×
Warships 77 67 🇮🇷 1.1×
– submarines 2 0 🇮🇷
Main battle tanks 1,513 1,085 🇮🇷 1.4×
Nuclear warheads 0 0 —
Show full breakdown · 11 more rowsHide the 11 extra rows
Reserve troops 350,000 0 🇮🇷
Paramilitary forces 40,000 24,500 🇮🇷 1.6×
Military aircraft (all types) 603 916 🇸🇦 1.5×
– helicopters 152 264 🇸🇦 1.7×
Budget share of govt spending — — —
Budget per capita $103 $2,381 🇸🇦 23×
Population 92.4M 37M 🇮🇷 2.5×
GDP $363B $1.3T 🇸🇦 3.5×
GDP per capita $3,924 $34,537 🇸🇦 8.8×
Land area 1,531,595 km² 2,149,690 km² 🇸🇦 1.4×
Coastline 2,440 km 2,640 km 🇸🇦 1.1×
Backbone systems most numerous in service
🇮🇷 IranF-4 Phantom II ×61Safir 74 ×540Kilo-class ×2
🇸🇦 Saudi ArabiaF-15EX Eagle II ×83M1 Abrams ×575Al Madinah-class ×4
Defense budget history Iran ×1.7 · Saudi Arabia ×1.5 since 2020
Military personnel history
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Analyst Assessment

Verdict
Edge: Saudi Arabia

Saudi Arabia holds the overall edge on the strength of a $88B budget, a modern F-15E/Typhoon-based air force with tankers and AWACS, and layered Patriot/THAAD defences, which is why it ranks #14 to Iran's #30 on the ATLAS Index. Iran counters with far greater manpower, armour and the region's deepest missile and drone arsenal, making the balance quality-versus-mass rather than clear superiority.

Domain by domain
Air power Edge: Saudi Arabia
🇮🇷 Iran295 combat aircraft, mostly pre-1979 F-4, F-5 and F-14 airframes plus MiG-29s, with a small Su-35 and Yak-130 influx. Low availability, scarce tankers and AEW, sanctions-limited spares.
🇸🇦 Saudi Arabia384 combat aircraft built around 148 F-15E/SA Strike Eagles, Typhoons and Tornado IDS, backed by E-3 AWACS, A330 MRTT tankers and precision munitions stocks. US/UK-trained, high sortie generation.
Missiles & air defence Edge: Iran
🇮🇷 IranRegion's largest ballistic and cruise missile inventory plus mass one-way attack drones; layered defences on S-300 and indigenous Bavar-373. Doctrine centres on saturation strikes against fixed high-value targets.
🇸🇦 Saudi ArabiaRoyal Saudi Strategic Missile Force fields a limited ballistic inventory; strength lies in defence — Patriot PAC-3 and THAAD batteries protecting cities and oil infrastructure, though magazine depth and coverage remain finite.
Naval power Edge: Iran
🇮🇷 Iran112 hulls, mostly small missile and fast-attack craft, two Kilo-class submarines, midget subs, mines and anti-ship missiles. Optimised for closing or contesting the Strait of Hormuz rather than blue-water control.
🇸🇦 Saudi Arabia30 principal units, no submarines; Al Riyadh- and Al Madinah-class frigates split between Red Sea and Gulf fleets. Modern sensors and Western support, but thin numbers for two-sea, two-chokepoint responsibilities.
Ground forces Edge: Iran
🇮🇷 Iran650,000 active plus 350,000 reserves and Basij mobilisation; 1,713 tanks dominated by locally upgraded Safir 74, Zulfiqar and T-72S. Ageing and mixed, but deep in mass and territorial defence experience.
🇸🇦 Saudi Arabia282,000 active plus a separate National Guard; 840 tanks centred on 575 M1A2S Abrams with Bradley IFVs and M113s. Better protected and sustained, far smaller and defensively postured.
Defense industry & budget Edge: Saudi Arabia
🇮🇷 Iran$9.5B, 2.0% of GDP — roughly a ninth of Saudi spending, but sanctions have forced a broad domestic base in missiles, drones, armour refurbishment and air defence, at modest technological ceilings.
🇸🇦 Saudi Arabia$88B, 7.1% of GDP, among the world's largest. Buying power is exceptional; domestic production and maintenance depth are shallow, leaving readiness tied to foreign contractors and supply chains.
Wildcards
  • US and Gulf security guarantees Saudi Arabia depends on US basing, intelligence, missile defence and contractor-sustained logistics, plus GCC integration. Iran's partnerships with Russia and China supply technology and diplomatic cover but no comparable defence commitment.
  • Hormuz and energy geography Iran's coastline and islands overlook the Strait of Hormuz, while Saudi export terminals, refineries and desalination plants are fixed, coastal and within missile and drone range — an asymmetry of vulnerability rather than force.
  • Proxy and drone warfare Tehran's forward-defence doctrine relies on aligned non-state actors in Yemen, Iraq and Lebanon, enabling deniable strikes. Saudi Arabia has no equivalent instrument and must absorb such pressure defensively.
Outlook
ScenarioShort warProtracted war
Conventional 🇸🇦 Saudi air power and munitions dominate early 🇮🇷 Iranian mass and depth outlast Saudi stocks
Hybrid/Asymmetric 🇮🇷 Drones, missiles and proxies favour Iran 🇮🇷 Iran sustains pressure at low cost
Analysis generated by a language model from the figures on this page and public sources; it is an informed reading, not a military assessment or a prediction.

Frequently Asked Questions

Who has more military personnel, Iran or Saudi Arabia?
Iran has approximately 610,000 active military personnel compared to Saudi Arabia's 257,000, giving Iran a 2.4:1 numerical advantage.
Which country has more combat aircraft, Iran or Saudi Arabia?
Saudi Arabia operates 384 combat aircraft compared to Iran's 250. This includes fighters, strike aircraft, and multirole combat jets.
Who has the larger navy, Iran or Saudi Arabia?
Iran has a larger navy with 77 warships compared to Saudi Arabia's 67. Iran operates 2 submarines while Saudi Arabia has 0.
Which country spends more on defense, Iran or Saudi Arabia?
Saudi Arabia has a larger defense budget at $88 billion (9.3:1 more) compared to Iran's $9.5 billion annually.
Do Iran and Saudi Arabia have nuclear weapons?
Neither Iran nor Saudi Arabia currently possesses nuclear weapons.
How do the tank forces of Iran and Saudi Arabia compare?
Iran operates 1,513 main battle tanks compared to Saudi Arabia's 1,085. Tank numbers reflect both active inventory and reserves.