U.S. Population Projections: 2005-2050 <a href="http:&#x2F;&#x2F;www.pewsocialtrends.org&#x2F;2008&#x2F;02&#x2F;11&#x2F;us-population-projections-2005-2050&#x2F;" rel="nofollow">http:&#x2F;&#x2F;www.pewsocialtrends.org&#x2F;2008&#x2F;02&#x2F;11&#x2F;us-population-proj...</a><p>If current trends continue, the population of the United States will rise to 438 million in 2050, from 296 million in 2005, and 82% of the increase will be due to immigrants arriving from 2005 to 2050 and their U.S.-born descendants, according to new projections developed by the Pew Research Center.