The U.S. is a nation of immigrants. But unauthorized immigrants have become a source of political debate, and Congress and President Obama disagree over the best course of action to address issues such as deportations, legal status, education and benefits. For years, the Pew Research Center has estimated the size of the unauthorized immigrant population and surveyed the U.S. public about immigration.

Fact Tank Jul. 24, 2015

5 facts about illegal immigration in the U.S.

The number of unauthorized immigrants in the U.S. has stabilized in recent years after decades of rapid growth. Here are five facts from our latest analysis of this population.

Fact Tank Jul. 22, 2015

Unauthorized immigrant population stable for half a decade

An estimated 11.3 million unauthorized immigrants lived in the U.S. in 2014. This population has remained essentially stable for five years after nearly two decades of changes

Fact Tank Jul. 15, 2015

What we know about illegal immigration from Mexico

Pew Research Center tracks the origins of unauthorized immigrants, their participation in the labor force and where in the U.S. they are settling.

U.S. Politics Jun. 4, 2015

Public Views of Immigration

There is broad public support for a path to legal status for undocumented immigrants in the U.S. But other opinions on immigration, including views of legal immigration, are more mixed.

Fact Tank Apr. 28, 2015

With help from Mexico, number of child migrants crossing U.S. border falls

Mexico’s 3,819 deportations of unaccompanied minors from Central America during the first five months of fiscal year 2015 represent a 56% increase over the same period a year earlier.

Hispanic Mar. 26, 2015

U.S. Unauthorized Immigrants in the Labor Force

Most hold low-skilled service, construction and production jobs, but those shares have fallen since 2007. In the states, the leading industry employers are hospitality, manufacturing and construction.

Fact Tank Feb. 11, 2015

States suing Obama over immigration programs are home to 46% of those who may qualify

A group of 26 states filed a lawsuit in December to stop his executive actions on immigration, arguing that he didn’t have the authority to make the changes.

Feb. 4, 2015

50 years later, Americans give thumbs-up to immigration law that changed the nation

As Washington once again engages in a heated political battle over immigration policy, it’s worth reminding ourselves just how much the country and its politics have changed since the 1965 Immigration and Nationality Act — a law that dramatically changed the makeup of the nation.

Fact Tank Dec. 30, 2014

U.S. border apprehensions of Mexicans fall to historic lows

For the first time on record, more non-Mexicans than Mexicans were apprehended at U.S. borders in 2014 by the Customs and Border Patrol.

U.S. Politics Dec. 11, 2014

Immigration Action Gets Mixed Response

Americans are divided over President Obama’s recent executive action that allows more unauthorized immigrants to stay and work in the U.S. At the same time, the public continues to support a pathway to legal status for those here illegally.