If you happened to be around in 1949 and are thinking seems don't seem like they used to be, maybe a little more crowded, you're right - there are twice as many people in the U.S. today.
Other random facts...
The U.S. population growth was .9 percent for the last year data was available (1999).
The World population is around 6 1/2 billion give or take a few million right now and estimated to be growing at about a 1.14% clip as of 2005.
World population growth is predicted to continue to decline to less than half a percent by 2046.
China's population is 1,298,848,000 people.
U.S. population is 297,854,323
The U.S. gains 1 person every 14 seconds.
