Answer
Nguyễn Phú Trọng ranked first in the Politburo when Trần Đại Quang was second. The Politburo is the highest decision-making body of the Communist Party of Vietnam, and its members are ranked in order of importance. Trọng was the General Secretary of the Communist Party of Vietnam, the most powerful position in the country, while Quang was the President of Vietnam, the second-most powerful position.