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.

HispanicSeptember 8, 2016

U.S. Latino Population Growth and Dispersion Has Slowed Since the Onset of the Great Recession

A decline in Hispanic birth rates and the pace of immigration from Latin America has had an effect on the growth and dispersion of Hispanics in the country.

HispanicAugust 31, 2016

U.S. immigrant deportations declined in 2014, but remain near record high

The Obama administration deported 414,481 unauthorized immigrants in fiscal 2014, a drop from the prior year driven by a decline in deportations of immigrants with a criminal conviction.

U.S. PoliticsAugust 25, 2016

5 facts about Trump supporters’ views of immigration

Immigration policy has been a focal point of Donald Trump’s campaign since he first announced he was running for president. Here’s a look at where his supporters stand on the issue.

U.S. PoliticsAugust 25, 2016

On Immigration Policy, Partisan Differences but Also Some Common Ground

The public is divided over many aspects of U.S. immigration policy.

GlobalMay 10, 2016

Europe sees rise in unaccompanied minors seeking asylum, with almost half from Afghanistan

In 2015, there were a record 96,000 unaccompanied child migrants seeking asylum in Europe.

HispanicMay 4, 2016

U.S. border apprehensions of families and unaccompanied children jump dramatically

Apprehensions of children and their families at the U.S.-Mexico border since October 2015 have more than doubled from a year ago and now outnumber apprehensions of unaccompanied children, a figure that also increased this year.

U.S. PoliticsApril 15, 2016

Americans’ views of immigrants marked by widening partisan, generational divides

Between 1994 and 2005, Republicans’ and Democrats’ views of immigrants tracked one another closely. Beginning around 2006, however, they began to diverge.

HispanicApril 14, 2016

Apprehensions of Mexican migrants at U.S. borders reach near-historic low

This change comes after a period in which net migration of Mexicans to the U.S. had fallen to lows not seen since the 1940s.

April 8, 2016

From multiracial children to gender identity, what some demographers are studying now

The nation’s largest annual demography conference, the Population Association of America meeting, featured new research on topics including couples who live in separate homes, children of multiracial couples, transgender Americans, immigration law enforcement and how climate change affects migration.

GlobalMarch 18, 2016

Illegal migration to EU rises for routes both well-worn and less-traveled

In 2015, more than 1.8 million people crossed the European Union’s borders illegally, up from 280,000 detections of illegal border crossings in 2014.