This is a two variable analysis which I need to find three arguments about the topic please! And it is only about China not the whole world only the country of China Thank you so much I

Topic: The relationship between a number of people and the amount of economy Question: How does the GPA increase or decrease when a country's population is jumping or slumping? Hypothesis: The amount of people has a strong, linear correlation with the amount of GDP was peak. Arguments: Two Variables that are going to be analyze: X Variable (the amount of people) , Y Variable (the amount of GDP)