Which is the largest regional organization in terms of population and geographic scope?

آبادی اور جغرافیائی دائرہ کار کے لحاظ سے سب سے بڑی علاقائی تنظیم کون سی ہے؟

European Union

Shanghai Cooperation Organization

Economic Cooperation Organization

South Asian Association for Regional Cooperation

Shanghai Cooperation Organization (SCO) is the largest regional organization in terms of population and geographic scope.

It covers a vast area of Eurasia.

It includes over 40% of the world's population.

This making it the most expansive in both dimensions.