History of US Immigration

Track the changes in US immigration law throughout history

This interactive timeline tracks the development of US immigration law, overlaid with time-series data on percentages of the foreign-born population. Explore how each major policy development correlated with immigration levels, revealing the relationship between legislation and demographic change.

The share of the immigrant population in the US peaked at nearly 16% in January 2025

In January 2025, the US reached a historic high of 53.3 million immigrants—nearly 16% of the population. By June of that year, the number had fallen by more than a million, ending 50 years of continuous growth in the immigrant population.

US immigrants shifted from primarily originating in Ireland and Germany to Mexico and India

This visualization tracks the top country of birth among US immigrants by state from 1850 to the present, revealing a dramatic shift from European-dominated immigration to today's prominence of Mexican and Indian immigrants.

Explore the important legislation that has shaped US immigration policy

Read about pivotal immigration legislation from the 1882 Chinese Exclusion Act—the first law restricting immigration by nationality—through DACA, examining how economic conditions, national security concerns, and social attitudes shaped American immigration policy throughout history.

Immigrants generated about $1.7T in economic activity in 2023 and paid roughly $652B in taxes

This economic output surpasses their 14.3% share of the US population, and their labor force participation rate of nearly 67% is higher than the approximately 62% rate for US-born workers.

Multiple legal pathways exist for immigrating to the United States

This comprehensive guide outlines various routes to US immigration, including family-sponsored and employment-based visas, as well as humanitarian protections. Navigate the complex American immigration system and understand the options available to prospective immigrants seeking legal entry.

Hear from those who reported on the ground in Minneapolis amid immigration raids

In this podcast episode, journalists reporting from Minneapolis describe ICE enforcement actions, street protests, and community fallout—offering firsthand accounts of how immigration crackdowns are unfolding in the Midwestern city.

The Chinese Exclusion Act was America's first major immigration restriction

The act, signed in 1882, barred Chinese laborers from entering the United States, marking the first significant restriction on free immigration. This overview examines 19th-century Chinese immigration, rising anti-Chinese sentiment, and the diplomatic implications of exclusionary legislation.

The 1924 Immigration Act established national-origin quotas favoring certain regions

The Johnson-Reed Act established stringent national-origin quotas favoring northern and Western Europeans while restricting immigration from other regions. This article chronicles the act's origins, its implications, and subsequent efforts to overturn these restrictions.

The 1965 Immigration and Nationality Act abolished national-origin quotas and transformed the demographics of America

Following decades of citizens pressing for reform, President Johnson signed legislation abolishing national-origin quotas, enabling increased immigration from Asia and Africa. The LBJ Presidential Library features photos, videos, audio clips, and text from the 1965 signing ceremony.