Which of the Following Statements Is True About the World

Multiple Choice

Which of the following statements is true about the world population?

A) ​In 1930, there were 4 billion people living on earth and now there are more than 10 billion people.
B) ​The world's population is increasing at the rate of 1.2%, resulting in the addition of 80 million people per year.
C) The doubling time of the world population has been 45 years since 1930.