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.
Interactive: U.S. Unauthorized Immigration Trends
Explore population trends from a new analysis of the unauthorized immigrant population in the United States based on Pew Research Center estimates.
State Unauthorized Immigrant Populations Rise and Fall
Since the Great Recession ended, the population of unauthorized immigrants has risen in seven states and fallen in 14.
Unauthorized Immigrants in the U.S., 2012
See how the unauthorized immigrant population varies state-by-state, how it has changed since 2009 and which states have the highest and lowest shares of unauthorized immigrants with our interactive maps.
All Publications from this Topic
Undocumented Immigration Now Trails Legal Inflow, Reversing Decade-Long Trend
Estimates now show that the unauthorized immigrant population grew more slowly from 2005 to 2008 than it did earlier in the decade, although its size has increased by more than 40% since 2000, and now constitutes 4% of the total U.S. population.
Non-Citizen Immigrant Households Suffer Sharp Decline in Income, 2006-2007
The current economic slowdown has taken a far greater toll on households headed by non-citizens than it has on the U.S. population as a whole, according to a Pew Hispanic Center analysis of new Census data.
Govs Press For More Money on Real ID, Medicaid
Meeting in Washington, the states’ chief executives made clear their unhappiness with federal standards for driver’s licenses and costly new Medicaid rules.
Arizona’s Population Growth Parallels America’s
How will Arizona’s new law penalizing businesses for hiring unauthorized immigrants affect its labor force? The Pew Hispanic Center provides up-to-date estimates of the state’s demographics as well as two other fact sheets analyzing the characteristics of the overall Latino population in the U.S. and of foreign-born immigrants of all origins.