
World
What Is NATO and Who Are Its Members? 32 Countries in 2026
NATO is a 32-country military alliance built on one promise: an attack on one is an attack on all. See every member, when each joined, and what it costs.

NATO is a 32-country military alliance built on one promise: an attack on one is an attack on all. See every member, when each joined, and what it costs.

See the richest countries by GDP per capita in 2026-27 using IMF data. Compare nominal and PPP rankings, and learn why tax havens distort real local wealth.