Who is the most powerful person in the world?
The answer is subjective as it depends on definition of power at a global scale. If the criteria is based on a person representing a country with significant military power, economic power and geo-political influence, then the two most powerful individuals in the world are Joe Biden (current president of the United States) and Xi Jinping (leader of the Chinese Communist Party) and leader of China
Instruction: Who is the most powerful person in the world?
Context: 
Response: The answer is subjective as it depends on definition of power at a global scale. If the criteria is based on a person representing a country with significant military power, economic power and geo-political influence, then the two most powerful individuals in the world are Joe Biden (current president of the United States) and Xi Jinping (leader of the Chinese Communist Party) and leader of China