Portrait of Jeffrey S. PasselJeffrey Passel is a Senior Demographer at the Pew Research Center’s Hispanic Trends Project. He is a nationally known expert on immigration to the United States and the demography of racial and ethnic groups. Passel formerly served as principal research associate at the Urban Institute's Labor, Human Services and Population Center. Passel has authored numerous studies on immigrant populations in America, focusing on such topics as undocumented immigration, the economic and fiscal impact of the foreign born, and the impact of welfare reform on immigrant populations.

Mar 15, 2011

How Many Hispanics? Comparing Census Counts and Census Estimates

The number of Hispanics counted in the 2010 Census was nearly 1 million more than expected, based on the most recent Census Bureau population estimates.

Feb 1, 2011

Unauthorized Immigrant Population: National and State Trends, 2010

As of March 2010, 11.2 million unauthorized immigrants were living in the United States, virtually unchanged from a year earlier, according to new estimates from the Pew Hispanic Center.

Sep 1, 2010

U.S. Unauthorized Immigration Flows Are Down Sharply Since Mid-Decade

The annual inflow of unauthorized immigrants to the U.S. was nearly two-thirds smaller in the March 2007 to March 2009 period than it had been from March 2000 to March 2005.

Aug 11, 2010

Unauthorized Immigrants and Their U.S.-Born Children

An estimated 340,000 of the 4.3 million babies born in the United States in 2008 were the offspring of unauthorized immigrants, according to a new analysis of Census Bureau data.

Jul 22, 2009

Mexican Immigrants: How Many Come? How Many Leave?

The flow of immigrants from Mexico to the United States has declined sharply since mid-decade, but there is no evidence of an increase during this period in the number of Mexican-born migrants returning home from the U.S.

May 28, 2009

Latino Children: A Majority Are U.S.-Born Offspring of Immigrants

Hispanics now make up 22% of all children under the age of 18 in the United States–up from 9% in 1980–and as their numbers have grown, their demographic profile has changed.

May 28, 2009

Who’s Hispanic?

The question of who’s Hispanic — and who isn’t — turns out to be pretty complicated.

Apr 14, 2009

A Portrait of Unauthorized Immigrants in the United States

The nation’s 11.9 million unauthorized immigrants are more geographically dispersed than in the past, according to a new demographic and geographic analysis of this group that includes population and labor force estimates for each state.

Oct 2, 2008

Trends in Unauthorized Immigration: Undocumented Inflow Now Trails Legal Inflow

There were 11.9 million unauthorized immigrants living in the United States in March 2008. The size of the unauthorized population appears to have declined since 2007.

Feb 11, 2008

U.S. Population Projections: 2005-2050

If current trends continue, immigrants arriving from 2005 to 2050 and their descendants will account for 82% of the population growth in the United States during this period, according to new projections from the Pew Research Center.