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Coalition Strength: NATO vs SCO

+27 NATO — 32 countries +5 SCO — 10 countries
Combined Military Strength
NATO SCO
Combined ATLAS Index 100.0 100.0
Member states 32 10
Active military personnel 3,316,410 6,032,800
– Reserve troops 2,329,650 4,374,500
Military aircraft 21,246 16,217
– incl. combat aircraft 5,252 5,885
Military ships 2,300 2,049
– incl. aircraft carriers 13 5
– incl. submarines 141 147
Main battle tanks 12,658 19,971
Nuclear warheads 5,637 6,400
Combined defense budget $1.5T $537B
Combined Forces Chart

Overview

NATO groups 32 countries against 10 for SCO. NATO fields 3,316,410 active troops combined vs 6,032,800 for SCO. NATO's combined $1.5T defense budget is 2.9:1 that of SCO ($537B).

In the air, NATO musters 21,246 military aircraft (5,252 combat) against 16,217 (5,885 combat) for SCO. At sea, the fleets total 2,300 ships for NATO and 2,049 for SCO, including 141 and 147 submarines respectively. On the ground, NATO deploys 12,658 main battle tanks vs 19,971 for SCO.

Both blocs hold nuclear weapons: NATO's members maintain 5,637 warheads and SCO's hold 6,400.

Combined ATLAS Index

Country ranking →
NATO 32 members
100.0/ 100
Six-pillar composite scored as one force: summed manpower, ground, naval and air points, combined nuclear deterrent and pooled defense budget, each conventional pillar read after the availability proxy of its branch (pooled budget per point of the force).
Pillar Weight Score Basis
Manpower 10% 100.0 4,704,870 effective
Ground forces 20% 100.0 12,658 main battle tanks
Naval power 20% 100.0 2,300 ships — the members' SEAS inventory power
Air power 25% 100.0 21,246 aircraft — the members' AIRS inventory power
Nuclear deterrent 10% 100.0 5,637 warheads
Defense budget 15% 100.0 $1.5T combined, PPP-adjusted
Availability modifier ground ×1.20 · naval ×1.05 · air ×1.03 Pooled budget per point of each force
SCO 10 members
100.0/ 100
Six-pillar composite scored as one force: summed manpower, ground, naval and air points, combined nuclear deterrent and pooled defense budget, each conventional pillar read after the availability proxy of its branch (pooled budget per point of the force).
Pillar Weight Score Basis
Manpower 10% 100.0 9,475,415 effective
Ground forces 20% 100.0 19,971 main battle tanks
Naval power 20% 100.0 2,049 ships — the members' SEAS inventory power
Air power 25% 100.0 16,217 aircraft — the members' AIRS inventory power
Nuclear deterrent 10% 100.0 6,400 warheads
Defense budget 15% 100.0 $537B combined, PPP-adjusted
Availability modifier ground ×1.15 · naval ×1.01 · air ×1.02 Pooled budget per point of each force

Combined scores treat each coalition as a single force: raw pillar values (troops, weighted equipment points, warheads, budgets) are summed across members and re-scored on the ATLAS Index scale. Alliance cohesion, geography and logistics are not modeled.

Forces by Domain

Air Forces by Category
Navies by Category
Ground Forces by Category
Ground inventories cover 25/32 and 8/10 members respectively.
Combined Defense Spending ($B)
Combined Personnel Evolution
Who Pays: NATO
Who Pays: SCO

Member Forces

NATO 32 members
North Atlantic Treaty Organization (32)
Country ATLAS Troops Aircraft Ships Budget
🇺🇸 United States ☢ 99.9 1,326,050 12,891 228 60%
🇫🇷 France ☢ 56.3 270,000 991 166 4%
🇬🇧 United Kingdom ☢ 52.6 144,400 712 62 6%
🇹🇷 Turkey 51.0 355,200 1,321 197 2%
🇩🇪 Germany 47.9 183,500 706 72 7%
🇮🇹 Italy 46.2 165,500 800 312 3%
🇬🇷 Greece 42.0 142,700 756 141 0%
🇪🇸 Spain 41.8 120,350 525 84 2%
🇵🇱 Poland 40.5 114,050 498 75 3%
🇨🇦 Canada 37.9 67,400 396 33 3%
🇳🇱 Netherlands 34.7 35,400 161 108 2%
🇷🇴 Romania 33.6 69,300 202 70 1%
🇸🇪 Sweden 32.7 29,750 184 261 1%
🇫🇮 Finland 32.4 23,800 179 194 1%
🇳🇴 Norway 32.4 23,250 111 60 1%
🇩🇰 Denmark 30.7 14,500 94 109 1%
🇵🇹 Portugal 27.8 27,250 102 34 0%
🇧🇪 Belgium 27.7 26,300 114 9 1%
🇧🇬 Bulgaria 26.0 36,950 79 35 0%
🇭🇷 Croatia 23.3 15,200 85 31 0%
🇭🇺 Hungary 21.4 27,800 73 — 0%
🇱🇹 Lithuania 20.9 19,850 11 12 0%
🇨🇿 Czechia 20.6 21,750 105 — 0%
🇸🇰 Slovakia 18.4 15,850 48 — 0%
🇪🇪 Estonia 18.3 7,100 2 7 0%
🇸🇮 Slovenia 14.9 7,250 41 — 0%
🇦🇱 Albania 13.0 8,500 24 — 0%
🇲🇰 North Macedonia 11.0 8,000 16 — 0%
🇱🇻 Latvia 9.6 6,210 7 — 0%
🇱🇺 Luxembourg 6.9 900 1 — 0%
🇲🇪 Montenegro 6.7 2,350 11 — 0%
🇮🇸 Iceland 0.0 0 — — 0%
SCO 10 members
Shanghai Cooperation Organisation (10)
Country ATLAS Troops Aircraft Ships Budget
🇨🇳 China ☢ 90.0 2,035,000 5,662 1,000 52%
🇷🇺 Russia ☢ 83.0 1,100,000 5,305 456 28%
🇮🇳 India ☢ 69.9 1,475,750 2,353 354 15%
🇵🇰 Pakistan ☢ 51.6 660,000 1,542 110 2%
🇮🇷 Iran 40.0 610,000 666 120 2%
🇰🇿 Kazakhstan 28.7 39,000 218 9 0%
🇧🇾 Belarus 25.3 45,350 199 — 0%
🇺🇿 Uzbekistan 21.4 48,000 239 — 0%
🇰🇬 Kyrgyzstan 14.6 10,900 7 — 0%
🇹🇯 Tajikistan 12.2 8,800 26 — 0%

Economy & Geography

Combined Economy
NATO SCO
Population 984.1 million 3.4 billion
Combined GDP $59.2 trillion $27.4 trillion
GDP per capita $60,148 $7,942
Defense share of GDP 2.6% 2.0%
Land area 25,897,183 km² 34,727,606 km²
Coastline 382,102 km 62,639 km
Nuclear Forces
CoalitionCountryStatusWarheadsDeployed
NATO 🇺🇸 United States Active 5,042 1,770
NATO 🇫🇷 France Active 370 280
NATO 🇬🇧 United Kingdom Active 225 120
NATO 🇹🇷 Turkey Host — 20
NATO 🇩🇪 Germany Host — 15
NATO 🇮🇹 Italy Host — 35
NATO 🇳🇱 Netherlands Host — 15
NATO 🇧🇪 Belgium Host — 15
SCO 🇨🇳 China Active 620 34
SCO 🇷🇺 Russia Active 5,420 1,796
SCO 🇮🇳 India Active 190 —
SCO 🇵🇰 Pakistan Active 170 —
SCO 🇮🇷 Iran Acquiring — —
SCO 🇧🇾 Belarus Host — —
Hosted warheads (NATO sharing) remain with their owner state and are not double-counted in coalition totals.
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Frequently Asked Questions

Who is stronger, NATO or SCO?

On the combined ATLAS Index, NATO scores 100.0 against 100.0 for SCO. The score aggregates each bloc's manpower, ground, naval, air, nuclear and budget pillars as if it fought as a single force — it ignores geography, cohesion and logistics, which decide real wars.

How many troops do NATO and SCO have?

NATO fields 3,316,410 active military personnel across 32 member states, plus 2,329,650 reserves. SCO fields 6,032,800 active personnel and 4,374,500 reserves.

How much do NATO and SCO spend on defense?

Combined defense spending reaches $1.5T a year for NATO and $537B for SCO, summing each member's latest reported military budget.

Who has more military aircraft, NATO or SCO?

NATO operates 21,246 military aircraft (5,252 combat aircraft), while SCO operates 16,217 (5,885 combat). Each member is counted at its most recent inventory year in the GlobalMilitary.net database.

Do NATO or SCO have nuclear weapons?

Yes — both. NATO's nuclear-armed members hold 5,637 warheads combined, against 6,400 for SCO. Only warheads owned by member states are counted; hosted weapons remain with their owner.