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Jeffrey S. Passel

Senior Demographer

Expertise:Global Migration and Demography, Hispanic Trends

Jeffrey Passel is a senior demographer at Pew Research Center. 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. Passel regularly discusses the Center’s findings in print and broadcast media.

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data essayMar 25, 2026

The United States at 250: How the Country Has Changed in the Past 50 Years

As America turns 250, explore how demographics, work, family and economics have shifted since 1976, based on 50 years of Census data.
short readsMar 5, 2026

7 facts about Iranians in the U.S.

In the aftermath of the U.S. and Israeli attacks in Iran, here are seven facts about Iranians living in the U.S.
short readsFeb 5, 2026

Key findings about Puerto Rico

Here are answers to some key questions about Puerto Rico and Puerto Ricans, using data from the U.S. Census Bureau and other sources.
short readsJan 9, 2026

7 facts about Venezuelans in the U.S.

The number of Venezuelans in the U.S. has more than doubled in five years, to about 1.2 million. Here’s what we know about this population.
data essayNov 3, 2025

Counting Race: How the Census Measures Identity and What Americans Think About It

How the U.S. government measures race has changed substantially since censuses began in 1790. Today, Americans differ on whether the government should ask about race.
reportAug 21, 2025

U.S. Unauthorized Immigrant Population Reached a Record 14 Million in 2023

The number of unauthorized immigrants in the U.S. reached an all-time high after two consecutive years of record growth.
short readsAug 21, 2025

What the data says about immigrants in the U.S.

As of June 2025, the country’s foreign-born population had shrunk by more than a million people, marking its first decline since the 1960s.
fact sheetJan 23, 2025

Facts About the U.S. Black Population

Key statistics and data about the demographic, geographic and economic characteristics of the U.S. Black population.
short readsSep 27, 2024

U.S. immigrant population in 2023 saw largest increase in more than 20 years

The number of immigrants living in the U.S. grew by about 1.6 million people in 2023, the largest annual increase by number since 2000.
short readsSep 12, 2024

Who is Hispanic?

The Census Bureau estimates there were 65.2 million Hispanics in the U.S. as of July 2023, a new high. They made up more than 19% of the nation’s population.