More than 40 million people living in the United States—whether as naturalized citizen, legal permanent resident, temporary resident, or unauthorized immigrant—were born in another country, representing 13 percent of the U.S. population. Immigration to the United States has ebbed and flowed throughout history, peaking at nearly 15 percent of the population in 1890 and plummeting to 5 percent in 1970. The data-rich research offered here traces the U.S. immigrant population by size, educational and workforce characteristics, English language proficiency, and more.
The 1.1 million Salvadoran immigrants residing in the United States in 2008 accounted for 2.9 percent of all U.S. immigrants, making them the second-largest immigrant group from Latin America. MPI's Aaron Terrazas examines their socioeconomic characteristics, where they live, and the size of the Salvadoran-born unauthorized population.
The 18.9 million immigrant women in the United States in 2008 made up 12 percent of all women in the country. MPI's Jeanne Batalova examines which countries they come from, their labor force participation, and their socioeconomic status.
There were nearly 40 million temporary admissions to the United States in 2008, more than twice the number in 1990. MPI's Jeanne Batalova outlines the definition of nonimmigrants and takes a detailed look at admissions data and data limitations.
Over one million immigrants—one-third from Mexico, India, and the Philippines—became U.S. citizens in 2008. MPI's Jeanne Batalova takes a detailed look at the latest naturalization trends in the United States.