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Head-to-head

Military Strength: Flag of Mexico Mexico vs Flag of Peru Peru

Mexico (ranked #38 globally) holds a stronger overall military position than Peru (#50) on the ATLAS Index. Mexico fields 341,000 active troops — 2.2:1 Peru's 158,000, backed by 81,500 reserves and 120,000 paramilitary. Mexico's $17B defense budget is 7.2:1 that of Peru ($2.3B).

ATLAS (Aggregate Total of Land, Air and Sea strength) Index face-off Full ranking →
Flag of Mexico MexicoWorld #38 33.2
ATLAS Index / 100

Mexico leads on 4 of 6 pillars

Flag of Peru PeruWorld #50 29.8
  • 57.8341K active troops Manpower10 % 51.0158K active troops
  • 34.40 battle tanks Ground forces20 % 29.0240 battle tanks
  • 28.8204 warships Naval power20 % 35.077 warships
  • 30.04 combat aircraft Air power25 % 28.142 combat aircraft
  • 0.00 warheads Nuclear deterrent10 % 0.00 warheads
  • 46.1$17B budget Defense budget15 % 30.4$2.3B budget
Mexico Peru 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
Mexico Peru Ratio
Defense budget $17B $2.3B 🇲🇽 7.2×
– share of GDP 0.9% 0.8% 🇲🇽 1.1×
Active personnel 341,000 158,000 🇲🇽 2.2×
Combat aircraft 4 42 🇵🇪 10×
Warships 204 77 🇲🇽 2.6×
– submarines 0 5 🇵🇪
Main battle tanks 0 240 🇵🇪
Nuclear warheads 0 0 —
Show full breakdown · 11 more rowsHide the 11 extra rows
Reserve troops 81,500 188,000 🇵🇪 2.3×
Paramilitary forces 120,000 77,000 🇲🇽 1.6×
Military aircraft (all types) 431 255 🇲🇽 1.7×
– helicopters 168 106 🇲🇽 1.6×
Budget share of govt spending — — —
Budget per capita $128 $68 🇲🇽 1.9×
Population 130.9M 34.2M 🇲🇽 3.8×
GDP $1.9T $289B 🇲🇽 6.4×
GDP per capita $14,186 $8,452 🇲🇽 1.7×
Land area 1,943,945 km² 1,279,996 km² 🇲🇽 1.5×
Coastline 9,330 km 2,414 km 🇲🇽 3.9×
Backbone systems most numerous in service
🇲🇽 MexicoF-5E Tiger II ×3Sigma-class ×1
🇵🇪 PeruA-37 Dragonfly ×20T-54 / T-55 / TM-800 ×205Type 209-class ×5
Defense budget history Mexico ×2.5 · Peru ×1.0 since 2020
Military personnel history
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Mexico vsColombiaChileCanadaArgentinaBrazil
Peru vsChileArgentinaColombiaVenezuelaCanada
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Analyst Assessment

Verdict
Edge: Peru

Peru fields a true conventional military optimized for peer-to-peer conflict and would decisively win any air or naval engagement, whereas Mexico operates a massively scaled, highly experienced gendarmerie built exclusively for internal security and counter-insurgency.

Domain by domain
Air Power Edge: Peru
🇲🇽 MexicoHighly capable rotary-wing fleet; negligible fighter combat capacity (aging F-5s).
🇵🇪 PeruConventional strike capabilities with Mirage 2000s, Su-25s, and incoming 4.5-gen fighters.
Ground Forces Edge: Peru
🇲🇽 Mexico216,000 active troops; highly mobile, exclusively light/wheeled armor; zero MBTs.
🇵🇪 Peru81,000 active troops; heavy mechanized formations with 240 MBTs and MLRS platforms.
Naval Edge: Peru
🇲🇽 MexicoConstabulary focus; reliant on OPVs and a single long-range frigate; no submarines.
🇵🇪 PeruBlue-water capable; operates frigates, Type 209 submarines, and amphibious assault LPDs.
Paramilitary Edge: Mexico
🇲🇽 Mexico120,000-strong National Guard, constitutionally integrated into the defense apparatus.
🇵🇪 Peru77,000 paramilitary forces; specialized Amazon protection and counter-narcotics units.
Wildcards
  • Cartel Interference Mexico’s heavily armed transnational criminal organizations control vast territories and routes. In a conflict, they could act as a chaotic, heavily armed asymmetric barrier to any foreign ground incursions.
  • Cyber Vulnerability Mexico suffers from a documented structural lag in cybersecurity, leaving its critical infrastructure and command-and-control networks highly vulnerable to Peruvian military intelligence operations.
  • Peruvian Logistics Peru’s diverse inventory of legacy Soviet, French, and newer Asian/Western platforms creates severe logistical bottlenecks, limiting its ability to sustain high-intensity, long-range expeditionary operations.
Outlook
ScenarioShort warProtracted war
Conventional 🇵🇪 Peru dominates Even Stalemate (Logistical limits)
Hybrid/Asymmetric 🇲🇽 Mexico absorbs damage 🇲🇽 Mexico outlasts
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, Mexico or Peru?
Mexico has approximately 341,000 active military personnel compared to Peru's 158,000, giving Mexico a 2.2:1 numerical advantage.
Which country has more combat aircraft, Mexico or Peru?
Peru operates 42 combat aircraft compared to Mexico's 4. This includes fighters, strike aircraft, and multirole combat jets.
Who has the larger navy, Mexico or Peru?
Mexico has a larger navy with 204 vessels compared to Peru's 77 ships. Mexico operates 0 submarines while Peru has 5.
Which country spends more on defense, Mexico or Peru?
Mexico has a larger defense budget at $16.7 billion (7.2:1 more) compared to Peru's $2.3 billion annually.
Do Mexico and Peru have nuclear weapons?
Neither Mexico nor Peru currently possesses nuclear weapons.
How do the tank forces of Mexico and Peru compare?
Peru operates 240 main battle tanks compared to Mexico's 0. Tank numbers reflect both active inventory and reserves.