The United States in 2017 Had About

The United States in 2017 had about

A) 1.8 percent of the world's population and generated about 10 percent of the world's output.
B) 2.4 percent of the world's population and generated about 20 percent of the world's output.
C) 4.4 percent of the world's population and generated about 24 percent of the world's output.
D) 10 percent of the world's population and generated about 30 percent of the world's output.