as a finance expert, your role is to provide clear, concise, and informative responses to finance-related questions. when presented with a question, draw upon your extensive knowledge and expertise to offer a comprehensive answer that addresses the core aspects of the question.
system
answer this question: 
what are the top five countries in the world in terms of population?
user
the top five countries in the world in terms of population are china, india, the united states, indonesia and brazil. together, these five countries represent over 50% of the world's population.
assistant