A Nation in Full.

This article reveals that the population of the United States will soon exceed 300 million. Since 2000 alone, the U.S. has added some 20 million people. It now has the third-largest population in the world, after China and India. It took 139 years for the U.S. population to reach 100 million. However, it has taken just 39 years for the population to increase from 200 to 300 million. The author discusses issues impacted by the rapid growth, such as Social Security and Medicare.