Projections of the Size and Composition of the U.S. Population: 2014 to 2060

"Between 2014 and 2060, the U.S. population is projected to increase from 319 million to 417 million, reaching 400 million in 2051. The U.S. population is projected to grow more slowly in future decades than in the recent past, as these projections assume that fertility rates will continue to decline and that there willbe a modest decline in the overall rate of net international migration. By 2030, one in five Americans is projected to be 65 and over; by 2044, more than half of all Americans are projected to belong to a minority group (any group other than non-Hispanic White alone); and by 2060, nearly one in five of the nation’s total
population is projected to be foreign born.."
Population projections

New Population Projections Account for Differences in Fertility of Native- and Foreign-Born Women

"Last December, the U.S. Census Bureau released its latest series of national population projections, providing perspective on the future composition of the nation’s population. A new report released today explores these projections. It uses current data, along with past trends in fertility, mortality and international migration, to anticipate changes in the population in the years to come..."
Population projections

2012 National Population Projections

"The Population Projections Program produces projections of the United States resident population by age, sex, race, and Hispanic origin. The 2012 National Projections are based on the July 1, 2011 population estimates, which are based on the 2010 Census, and provide projections of the population for July 1, 2012 to July 1, 2060. The projections were produced using a cohort-component method and are based on assumptions about future births, deaths, and net international migration. The Census Bureau releases new national projections periodically..."
National Population Projections