In 1915 100 million people lived in America and 1967 200 million people lived in U.S. President Lyndon Johnson celebrated the baby that made 200 million and they couldn't believe it. Today it hit 300 million people but they say the estimate is wrong. Some say that is some where close. They might be 400 million people live in U.S. Non-Latino people will be the majority,but not much. About 25% are going to be Latinos,14% African,and7% Asian of total group.