Which QUAD country has the largest economy?
Show answer & explanation
Correct answer: B
Explanation
The correct answer is option 2 i.e. USA.
The United States of America (USA) possesses the largest economy among the QUAD (Quadrilateral Security Dialogue) nations. As of 2025-2026, the U.S. nominal GDP exceeds $30 trillion, accounting for a significant portion of the global economy. Within the group, the USA is followed by India (which recently overtook Japan to become the world's 4th largest and the QUAD's 2nd largest economy at approximately $4.18 trillion), Japan, and Australia.