NATO 32 members
NATO has 32 members; together, today’s NATO members had 12% of the world’s people and 51% of its GDP in 2025.
Source: Membership: the groupings’ own member listsMembers as of 10 Nov 2026
Source: World Bank Indicators2025
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Summary
The North Atlantic Treaty Organization: a military alliance founded in 1949, whose members commit to defend each other.
Today’s NATO members account for 12% of the world’s people (2025), 51% of the world’s GDP (2025), 56% of the world’s military spending (2025) and 23% of the world’s CO2 emissions (2024). Together they mine 13% of the world’s rare earths, 11% of the world’s palladium and 3.8% of the world’s nickel (USGS, 2025, estimated). Of its members, 26 are also in the OECD, 23 in the European Union, 7 in the G20 and 6 in the G7.
Membership is as each grouping lists it. A grouping’s share of the world adds up its members’ figures, against the sum for every country with a figure.
Source: Membership: the groupings’ own member lists; World Bank; Global Carbon Budget; FAOSTAT; USGSMembers as of 10 Nov 2026
Members
| United States | 342 m | 35% | $30.77 tn | G7, G20, OECD, APEC, UN Security Council (permanent), Quad, AUKUS, USMCA |
|---|---|---|---|---|
| Türkiye | 86 m | 8.7% | $1.60 tn | G20, OECD |
| Germany | 83 m | 8.5% | $5.05 tn | G7, G20, European Union, OECD |
| United Kingdom | 69 m | 7.1% | $4.00 tn | G7, G20, OECD, UN Security Council (permanent), AUKUS |
| France | 69 m | 7% | $3.37 tn | G7, G20, European Union, OECD, UN Security Council (permanent) |
| Italy | 59 m | 6% | $2.55 tn | G7, G20, European Union, OECD |
| Spain | 49 m | 5% | $1.91 tn | European Union, OECD |
| Canada | 42 m | 4.2% | $2.32 tn | G7, G20, OECD, APEC, USMCA |
| Poland | 36 m | 3.7% | $1.04 tn | European Union, OECD |
| Romania | 19 m | 1.9% | $429 bn | European Union |
| Netherlands | 18 m | 1.8% | $1.33 tn | European Union, OECD |
| Belgium | 12 m | 1.2% | $725 bn | European Union, OECD |
| Czechia | 11 m | 1.1% | $391 bn | European Union, OECD |
| Portugal | 11 m | 1.1% | $347 bn | European Union, OECD |
| Sweden | 11 m | 1.1% | $669 bn | European Union, OECD |
| Greece | 10 m | 1.1% | $281 bn | European Union, OECD |
| Hungary | 9.5 m | 1% | $246 bn | European Union, OECD |
| Bulgaria | 6.4 m | 0.7% | $131 bn | European Union |
| Denmark | 6.0 m | 0.6% | $463 bn | European Union, OECD |
| Finland | 5.6 m | 0.6% | $317 bn | European Union, OECD |
| Norway | 5.6 m | 0.6% | $531 bn | OECD |
| Slovakia | 5.4 m | 0.6% | $155 bn | European Union, OECD |
| Croatia | 3.9 m | 0.4% | $105 bn | European Union |
| Lithuania | 2.9 m | 0.3% | $95 bn | European Union, OECD |
| Albania | 2.3 m | 0.2% | $31 bn | – |
| Slovenia | 2.1 m | 0.2% | $80 bn | European Union, OECD |
| Latvia | 1.8 m | 0.2% | $49 bn | European Union, OECD |
| North Macedonia | 1.8 m | 0.2% | $19 bn | – |
| Estonia | 1.4 m | 0.1% | $47 bn | European Union, OECD |
| Luxembourg | 686,970 | 0.1% | $101 bn | European Union, OECD |
| Montenegro | 623,129 | 0.1% | $9.2 bn | – |
| Iceland | 392,404 | <0.1% | $39 bn | OECD |
Source: Membership: the groupings’ own member lists; World BankMembers as of 10 Nov 20262025