History of Immigration to the United States.
Modern Immigration Data, Overview, and Timelines
How the Origins of America’s Immigrants Have Changed Since 1850
| Pew Research Center | Pew Research Center | July 22, 2024
This article traces the changing national origins of U.S. immigrants from the mid-19th century to the present, showing the shift from European-dominated immigration to larger shares from Latin America and Asia.
How Has Immigration Changed in the Last 100 Years?
| American Immigration Council | American Immigration Council | May 8, 2019
This article compares immigrants of the early 20th century with more recent arrivals, challenging common myths about education, English ability, skills, and assimilation.
The Immigrant Success Story
| American Immigration Council | American Immigration Council | June 10, 2018
This report discusses immigrant economic mobility, especially after the 1965 shift toward family-based immigration, and challenges assumptions based only on initial earnings.
Modern Immigration Wave Brings 59 Million to U.S.
| Pew Research Center | Pew Research Center | September 28, 2015
This major Pew report analyzes the immigration wave that followed the 1965 law, including demographic change, national origins, population growth, and projected future effects.
Rethinking the Last 200 Years of U.S. Immigration Policy
| Aristide Zolberg | Migration Policy Institute | June 1, 2006
This article interprets two centuries of U.S. immigration policy as a process shaped by political design, labor needs, racial boundaries, and nation-building.
Immigration and Relocation in U.S. History
| Library of Congress | Library of Congress | n.d.
This Library of Congress presentation brings together group histories, primary sources, and timelines on immigration, relocation, ethnicity, exclusion, and community formation.
Immigration: Definition and Facts
| HISTORY.com Editors | HISTORY | n.d.
This topic page provides a general introduction to immigration history, major laws, Ellis Island, the Chinese Exclusion Act, and the changing politics of immigration.
Immigration Law, Policy, and Federal Administration
How the United States Immigration System Works
| American Immigration Council | American Immigration Council | June 24, 2024
This fact sheet explains the modern immigration system, including family-based immigration, employment visas, humanitarian protections, refugee admissions, per-country limits, and naturalization.
Chinese Exclusion Act
| National Archives | National Archives | January 17, 2023
This National Archives page presents the Chinese Exclusion Act as a milestone document and explains its role as the first major federal law restricting immigration by ethnicity.
Immigration Has Been a Defining, Often Contentious Element Throughout U.S. History
| Muzaffar Chishti and Jessica Bolter | Migration Policy Institute | January 6, 2022
This article provides a broad historical overview of immigration as a force in U.S. development, from colonial settlement and forced migration to modern debates over law, labor, and identity.
Immigrants in the United States
| American Immigration Council | American Immigration Council | September 20, 2021
This fact sheet summarizes the modern immigrant population, including naturalization, English proficiency, labor force participation, entrepreneurship, and geographic distribution.
In 1965, Majority of Americans Favored Immigration and Nationality Act
| Pew Research Center | Pew Research Center | September 20, 2019
This article examines public opinion around the 1965 Immigration and Nationality Act, a landmark law that ended national-origin quotas and transformed later immigration patterns.
Our Documented Rights: Thinking About Chinese Exclusion
| National Archives | National Archives | March 19, 2019
This lesson uses primary sources to examine Chinese exclusion, federal immigration authority, and the rights denied to Chinese immigrants and Chinese Americans.
How U.S. Immigration Laws and Rules Have Changed Through History
| Pew Research Center | Pew Research Center | September 30, 2015
This article summarizes major turning points in immigration law, from early naturalization rules to exclusion, quotas, family reunification, and modern enforcement.
Chapter 3: The Changing Characteristics of Recent Immigrant Arrivals Since 1970
| Pew Research Center | Pew Research Center | September 28, 2015
This chapter tracks changes in the origins, education levels, and characteristics of immigrants who arrived after the 1965 reforms.
Chapter 2: Immigration’s Impact on Past and Future U.S. Population Change
| Pew Research Center | Pew Research Center | September 28, 2015
This chapter examines how immigration shaped U.S. population growth, racial and ethnic composition, and long-term demographic projections.
Chapter 1: The Nation’s Immigration Laws, 1920 to Today
| Pew Research Center | Pew Research Center | September 28, 2015
This chapter traces major immigration laws from the national-origins quota system through the 1965 Immigration and Nationality Act and later reforms.
Fifty Years Later, the Immigration Act That Transformed America
| American Immigration Council | American Immigration Council | October 5, 2015
This article explains the significance of the 1965 Immigration and Nationality Act and how it replaced national-origin quotas with family and employment preferences.
The 1965 Immigration Act That Changed America
This article explains how the 1965 law changed the demographic future of the United States by opening pathways for immigrants from Asia, Latin America, Africa, and elsewhere.
Major U.S. Immigration Laws, 1790–Present
| Migration Policy Institute | Migration Policy Institute | March 2013
This timeline lists major immigration and naturalization laws from the 1790 Naturalization Act through modern reform debates, making it useful for chronological research.
Overhauling Immigration Law: A Brief History and Basic Principles of Reform
| American Immigration Council | American Immigration Council | February 13, 2013
This report reviews the historical structure of immigration law and explains principles behind reform debates, including family unity, labor needs, and legalization.
Opportunity and Exclusion: A Brief History of U.S. Immigration Policy
| American Immigration Council | American Immigration Council | January 13, 2012
This concise history emphasizes the recurring tension between economic opportunity and exclusion, from colonial settlement through restriction, quotas, and modern reform.
U.S. Immigration Before 1965
| HISTORY.com Editors | HISTORY | October 29, 2009
This article reviews immigration before the 1965 reforms, including colonial migration, 19th-century European immigration, Chinese exclusion, Ellis Island, and national-origin quotas.
Race, Nationality, and Reality
| Marian L. Smith | National Archives / Prologue Magazine | Summer 2002
This article examines how immigration law, race, nationality, and naturalization overlapped, especially in cases involving Chinese exclusion and citizenship.
Chinese Exclusion Act of 1882
| U.S. House of Representatives | History, Art & Archives | May 6, 1882
This House history page explains the congressional passage of the Chinese Exclusion Act and its role in inaugurating broad federal immigration restriction.
The Hart-Celler Act
| U.S. House of Representatives | History, Art & Archives | October 3, 1965
This House history page summarizes the Hart-Celler Act, better known as the Immigration and Nationality Act of 1965, and its importance in ending national-origin quotas.
Johnson-Reed Immigration Act of 1924
| U.S. House of Representatives | History, Art & Archives | May 26, 1924
This House history entry describes the 1924 Johnson-Reed Act and its national-origins quota system, which favored Northern and Western Europe and restricted many others.
The Displaced Persons Act of 1948
| U.S. Citizenship and Immigration Services | USCIS | n.d.
This USCIS article explains how the United States responded to post-World War II displaced persons and how refugee policy developed before the 1980 Refugee Act.
The Registry Act
| U.S. Citizenship and Immigration Services | USCIS | n.d.
This article explains registry provisions that allowed certain long-term undocumented residents to obtain lawful status, showing an earlier legalization mechanism in U.S. law.
The Immigration and Nationality Act of 1965
| LBJ Presidential Library | LBJ Presidential Library | n.d.
This resource explains President Lyndon Johnson’s signing of the 1965 law at Liberty Island and its role in ending national-origin quotas.
Overview of INS History
| U.S. Citizenship and Immigration Services | USCIS | n.d.
This page traces the history of federal immigration administration from early federal oversight through the Immigration and Naturalization Service and later USCIS.
Origins of the Federal Immigration Service
| U.S. Citizenship and Immigration Services | USCIS | n.d.
This USCIS history article explains how immigration control became a federal responsibility and how federal inspection systems developed.
Immigration and Citizenship
| U.S. Citizenship and Immigration Services | USCIS | n.d.
This USCIS history portal provides official background on immigration administration, naturalization, legal reforms, and the agencies that shaped modern immigration policy.
The Cable Act
| U.S. Citizenship and Immigration Services | USCIS | n.d.
This USCIS history page explains how marriage, gender, citizenship, and immigration law intersected in the 1922 Cable Act and related naturalization rules.
A Nation of Immigrants: The Immigration and Nationality Act of 1965
| John F. Kennedy Presidential Library | JFK Library | n.d.
This page connects the 1965 immigration reforms to John F. Kennedy’s support for changing the quota system and expanding a more inclusive vision of immigration.
The Immigration Act of 1990
| U.S. Citizenship and Immigration Services | USCIS | n.d.
This USCIS history page explains the 1990 law that increased legal immigration, created the Diversity Visa Program, and revised employment-based immigration categories.
Ellis Island, Castle Garden, and the Statue of Liberty
Ellis Island Part of Statue of Liberty National Monument
| National Park Service | National Park Service | March 6, 2026
This National Park Service page introduces Ellis Island as a major immigration processing station where more than 12 million immigrants were processed during the peak years of 1892–1924.
How the Immigration Act of 1924 Tried to Reshape America
| Lesley Kennedy | HISTORY | December 9, 2025
This article explains the Johnson-Reed Act of 1924, the national-origins quota system, and the law’s attempt to restrict immigration from Southern and Eastern Europe and Asia.
Immigrant Oral Histories for Your Classroom
| National Park Service | National Park Service | April 10, 2025
This resource presents oral-history excerpts from the Ellis Island Oral History Collection, giving firsthand accounts of immigration, inspection, family separation, and settlement.
Migration & Immigration: Travel Where Women Made History
| National Park Service | National Park Service | February 22, 2024
This National Park Service guide connects immigration and migration history to historic places, including Ellis Island, Angel Island, and sites tied to women’s experiences of movement and settlement.
Ellis Island Expedition Series
| National Park Service | National Park Service | August 26, 2022
This educational series explains Ellis Island’s history, federal inspection, steamship migration, and the experiences of immigrants arriving in New York Harbor.
How the Immigrants Who Came to Ellis Island in 1907 Compare to Arrivals Today
| Erin Blakemore | HISTORY | April 19, 2019
This article compares early 20th-century Ellis Island immigrants with more recent immigrants and discusses assimilation, earnings, education, and public fears.
A Trip Back In Time: Ellis Island in a Virtual Time Machine
| National Park Service | National Park Service | January 10, 2018
This article describes an educational project that recreates Ellis Island’s Great Hall during the 1918–1924 period, helping readers understand the immigrant inspection process.
America, the Nation of Nations
| National Park Service | National Park Service | August 22, 2017
This overview presents immigration as central to U.S. national identity while also discussing restriction, inspection stations, ethnic communities, and the changing meaning of citizenship.
Ellis Island Was Not Always the Gateway for Immigrants
| New York Public Library | NYPL Blog | May 26, 2016
This article explains the earlier role of Castle Garden and other entry points before Ellis Island became the dominant symbol of immigrant arrival.
U.S. Immigration Timeline: Definition and Reform
| HISTORY.com Editors | HISTORY | December 21, 2018
This timeline summarizes major immigration events and laws, including early naturalization rules, Ellis Island, Chinese exclusion, quotas, refugee policy, and modern reforms.
President Coolidge Signs Immigration Act of 1924
| HISTORY.com Editors | HISTORY | November 16, 2009
This “This Day in History” entry summarizes the signing of the 1924 law and its role in creating one of the most restrictive immigration systems in U.S. history.
Ellis Island: Records, Passengers, and Immigration
| HISTORY.com Editors | HISTORY | October 27, 2009
This article explains the history of Ellis Island, the inspection process, passenger experiences, and the station’s symbolic place in U.S. immigration memory.
Immigration Act of 1924
| Encyclopaedia Britannica | Britannica | n.d.
This article explains the 1924 immigration law, national-origins quotas, and its restrictionist impact on migration from Southern and Eastern Europe and Asia.
Ellis Island
| Encyclopaedia Britannica | Britannica | n.d.
This reference article summarizes Ellis Island’s role as the best-known U.S. immigration station and a symbol of European immigrant arrival.
The New Colossus
| National Park Service | National Park Service | n.d.
This article explains Emma Lazarus’s poem “The New Colossus” and how it helped associate the Statue of Liberty with immigration and refuge.
Statue of Liberty and Immigration
| National Park Service | National Park Service | n.d.
This National Park Service page connects the Statue of Liberty to immigration history, national identity, liberty, and the symbolism of arrival in New York Harbor.
Castle Garden: America’s First Immigration Center
| National Park Service | National Park Service | n.d.
This article introduces Castle Garden, the New York immigration depot that processed millions of immigrants before Ellis Island opened in 1892.
Immigration to the United States, 1851 to 1900
| Library of Congress | Library of Congress | n.d.
This Library of Congress primary-source overview explains why nearly 12 million immigrants arrived between 1870 and 1900 and how Ellis Island, Chinese exclusion, and urban settlement shaped the period.
Immigration Challenges for New Americans
| Library of Congress | Library of Congress | n.d.
This primary source set introduces immigrant experiences from the early 19th to mid-20th century, including welcome, hostility, settlement, work, and exclusion.
City Life in the Late 19th Century
| Library of Congress | Library of Congress | n.d.
This article explains how immigration helped fuel rapid urban growth between 1880 and 1900, shaping tenements, ethnic neighborhoods, industry, and city politics.
The Great Arrival
| Library of Congress | Library of Congress | n.d.
This article describes the major wave of Italian immigration between the 1880s and 1920, when millions arrived and many passed through Ellis Island.
Angel Island, Asian Immigration, and Chinese Exclusion
AAPI Exclusion and the Case of Wong Kim Ark
| National Archives | Pieces of History | May 22, 2024
This article links Asian exclusion laws to the landmark Wong Kim Ark citizenship case, showing how immigration restriction and birthright citizenship debates intersected in U.S. history.
A Guide to Records of Asian Americans and Pacific Islanders
| National Archives | National Archives | May 3, 2022
This guide describes archival records related to Asian American and Pacific Islander immigration, including enforcement, detention, smuggling investigations, and exclusion-era documentation.
The Chinese Poetry Left at Angel Island, the “Ellis Island of the West”
| Ying Diao | Smithsonian Magazine | April 20, 2021
This article tells the story of Chinese immigrants detained at Angel Island and the poems they carved into the barracks walls, preserving testimony about exclusion, hope, and confinement.
U.S. Immigration Station, Angel Island
| National Park Service | National Park Service | April 20, 2021
This article explains Angel Island’s role as a West Coast immigration station, especially for Asian immigrants who faced detention, interrogation, medical exams, and exclusionary policies.
A Federal Immigration Building With a Dark Past
| Danny Lewis | Smithsonian Magazine | May 12, 2017
This article explores the history of Angel Island and the racialized immigration procedures that distinguished it from Ellis Island, especially for Chinese and other Asian migrants.
Asian American and Pacific Islander National Historic Landmarks: Immigration Essay
| National Park Service | National Park Service | 2016
This essay places Angel Island and other landmarks in the larger story of Asian and Pacific Islander immigration, detention, exclusion, and community survival.
The Rise of Asian Americans
| Pew Research Center | Pew Research Center | June 19, 2012
This report discusses the growth of Asian immigration after 1965, changing education and employment patterns, and the long history of Asian exclusion and inclusion.
Angel Island Immigration Station National Historic Landmark Nomination
| National Park Service | National Park Service | 2013
This nomination document explains Angel Island’s national significance as a major West Coast immigration station and a site where exclusionary Asian immigration laws were enforced.
Gentlemen’s Agreement
| HISTORY.com Editors | HISTORY | October 29, 2009
This article explains the 1907–1908 Gentlemen’s Agreement between the United States and Japan, which limited Japanese labor migration without a formal exclusion statute.
The Passage From India: A Brief History of Indian Immigration to the U.S.
| American Immigration Council | American Immigration Council | May 31, 2002
This article traces Indian immigration from early arrivals and exclusionary laws to post-1965 migration and the growth of Indian American communities.
Immigration from Asia and the Pacific, 1870s to 1950s
| National Archives | National Archives | 2023
This guide surveys federal records and policies affecting Asian and Pacific Islander immigration, including Chinese exclusion, Angel Island, and later restrictions.
Chinese Exclusion Act
| Encyclopaedia Britannica | Britannica | n.d.
This reference article explains the 1882 Chinese Exclusion Act, its renewal, and its consequences for Chinese immigration and naturalization.
Angel Island Immigration Station
| Encyclopaedia Britannica | Britannica | n.d.
This article summarizes Angel Island’s history as an immigration station where many Asian immigrants faced detention and interrogation.
The Chinese Exclusion Era
| U.S. Citizenship and Immigration Services | USCIS | n.d.
This article describes the federal enforcement apparatus created around Chinese exclusion and how documentation, interrogation, and case files shaped immigrant lives.
Chinese Exclusion Act: Topics in Chronicling America
| Library of Congress | Library of Congress | n.d.
This guide points readers to historical newspaper coverage of Chinese exclusion, anti-Chinese politics, and public debate over immigration restriction.
Chinese Exclusion Act: Primary Documents in American History
| Library of Congress | Library of Congress | n.d.
This guide gathers primary documents and historical context for the Chinese Exclusion Act, one of the most important restriction laws in U.S. immigration history.
Immigration Act of 1917
| Immigration History | Immigration History | n.d.
This article explains the 1917 law that expanded exclusion categories, imposed literacy tests, and created the Asiatic Barred Zone.
Chinese Exclusion Act
| Immigration History | Immigration History | n.d.
This article summarizes the 1882 Chinese Exclusion Act, its political roots, and its long-term consequences for Asian immigration and federal enforcement.
Immigration and Nationality Act of 1965
| Immigration History | Immigration History | n.d.
This article explains the Hart-Celler Act and how it replaced the old quota system with family reunification and employment-based preferences.
McCarran-Walter Act of 1952
| Immigration History | Immigration History | n.d.
This article explains the 1952 Immigration and Nationality Act, including the preservation of quotas, ideological exclusions, and changes to Asian naturalization.
Immigration Act of 1924
| Immigration History | Immigration History | n.d.
This article summarizes the Johnson-Reed Act, its quota system, and its exclusion of Asian immigrants.
Naturalization Act of 1790
| Immigration History | Immigration History | n.d.
This article explains the first federal naturalization law, which limited citizenship eligibility to “free white persons” and shaped racial boundaries of citizenship.
Page Act of 1875
| Immigration History | Immigration History | n.d.
This article explains the Page Act, an early federal restriction law that targeted Asian women and helped set the stage for broader Chinese exclusion.
Chinese Immigration and the Chinese in the United States
| National Archives | National Archives | n.d.
This research guide explains records related to Chinese immigration, exclusion, registration, interrogation, and community life in the United States.
Records for the Study of Ethnic History
| National Archives | National Archives | n.d.
This guide identifies federal records useful for studying ethnic and immigration history, including Chinese exclusion files and Angel Island case records.
Records of the Immigration and Naturalization Service
| National Archives | National Archives | n.d.
This federal records guide outlines the history and holdings of the Immigration and Naturalization Service, including records tied to enforcement, naturalization, and exclusion.
Japanese: Immigration and Relocation in U.S. History
| Library of Congress | Library of Congress | n.d.
This overview introduces Japanese immigration, including labor migration, anti-Asian laws, family formation, agriculture, and World War II incarceration.
A New Community
| Library of Congress | Library of Congress | n.d.
This article traces later Chinese American community development and the gradual transformation of exclusion-era settlement patterns.
Growth and Inclusion
| Library of Congress | Library of Congress | n.d.
This article looks at Chinese American community growth, changing legal loopholes, and efforts to build lives despite exclusionary laws.
Taking Care of Our Own
| Library of Congress | Library of Congress | n.d.
This article examines Chinese community organizations, family associations, and mutual aid as strategies for survival under exclusion.
Building Communities
| Library of Congress | Library of Congress | n.d.
This article describes how Chinese immigrants built Chinatowns and mutual-aid networks in response to discrimination, labor exclusion, and segregation.
Exclusion
| Library of Congress | Library of Congress | n.d.
This article focuses on the Chinese Exclusion Act and the legal system that restricted Chinese immigration and naturalization for decades.
Legislative Harassment
| Library of Congress | Library of Congress | n.d.
This article explains how state and local laws targeted Chinese immigrants before and alongside federal exclusion.
Intolerance
| Library of Congress | Library of Congress | n.d.
This article examines anti-Chinese racism, violence, and political agitation in the late 19th century, especially in the West.
Struggling for Work
| Library of Congress | Library of Congress | n.d.
This article explores Chinese immigrant labor in railroads, mines, agriculture, factories, and service work, while describing exploitation and anti-Chinese hostility.
Searching for the Gold Mountain
| Library of Congress | Library of Congress | n.d.
This article explains how the California Gold Rush drew Chinese migrants and how hopes for opportunity collided with discrimination and exclusion.
Chinese: Immigration and Relocation in U.S. History
| Library of Congress | Library of Congress | n.d.
This overview introduces Chinese immigration to the United States, including the Gold Rush, railroad labor, exclusion, Chinatowns, and later community development.
Railroads in the Late 19th Century
| Library of Congress | Library of Congress | n.d.
This article provides context for immigrant labor and western expansion, including the railroad networks that employed Chinese and other immigrant workers.
The American West, 1865 to 1900
| Library of Congress | Library of Congress | n.d.
This article situates immigration within western expansion, including Chinese railroad workers, Mexican and Spanish-speaking communities, and settlement pressures on Native lands.
European Immigration and Ethnic Communities
Table of Contents for Immigration and Multiculturalism
| Library of Congress | Library of Congress | 2006
This Library of Congress catalog page lists primary-source topics on immigration and multiculturalism, useful for identifying key documents and themes in immigration history.
Scandinavian: Immigration and Relocation in U.S. History
| Library of Congress | Library of Congress | n.d.
This overview introduces Scandinavian immigration, including rural settlement, farming, religion, language, and Midwestern community building.
A Cultural Renaissance
| Library of Congress | Library of Congress | n.d.
This article examines the flowering of Yiddish newspapers, theater, literature, and community institutions among Eastern European Jewish immigrants.
The Lower East Side
| Library of Congress | Library of Congress | n.d.
This article explores New York’s Lower East Side as a dense immigrant neighborhood shaped by Jewish migration, tenement life, factories, and cultural life.
A People at Risk
| Library of Congress | Library of Congress | n.d.
This article describes Eastern European Jewish immigration, including persecution, pogroms, mass migration, and settlement in the United States.
The Nation of Polonia
| Library of Congress | Library of Congress | n.d.
This article explains Polish immigration and the formation of Polonia, a transnational Polish American community rooted in work, religion, and national identity.
Soviet Exiles
| Library of Congress | Library of Congress | n.d.
This article examines later Russian and Soviet migration, including refugees, exiles, and highly educated immigrants who settled in U.S. urban communities.
Russian Beginnings
| Library of Congress | Library of Congress | n.d.
This article discusses early Russian immigration and the origins of Russian American communities before later waves of exile and refugee migration.
Polish/Russian: Immigration and Relocation in U.S. History
| Library of Congress | Library of Congress | n.d.
This overview introduces Polish, Russian, and Eastern European Jewish migration shaped by empire, famine, persecution, political unrest, and industrial America.
Under Attack
| Library of Congress | Library of Congress | n.d.
This article covers anti-Italian nativism, racial theories, mob violence, and lynchings that targeted Italian immigrants in the late 19th and early 20th centuries.
Italian: Immigration and Relocation in U.S. History
| Library of Congress | Library of Congress | n.d.
This overview explains Italian immigration, especially the late 19th- and early 20th-century surge through Ellis Island and the poverty, labor, and discrimination immigrants faced.
Irish: Immigration and Relocation in U.S. History
| Library of Congress | Library of Congress | n.d.
This overview introduces Irish immigration, including famine migration, Catholic discrimination, urban labor, political organization, and community formation.
Shadows of War
| Library of Congress | Library of Congress | n.d.
This article explores anti-German sentiment during World War I and how war pressure affected German American language, culture, and institutions.
A New Surge of Growth
| Library of Congress | Library of Congress | n.d.
This article explains the 19th-century boom in German immigration, driven by economic distress, political upheaval, and chain migration.
German: Immigration and Relocation in U.S. History
| Library of Congress | Library of Congress | n.d.
This overview introduces German immigration, including religious communities, 19th-century migration, cultural institutions, and anti-German hostility during World War I.
Mexican, Latin American, and Caribbean Migration
Operation Wetback
| Erin Blakemore | HISTORY | June 18, 2018
This article explains the Eisenhower-era deportation campaign known as Operation Wetback and places it in the history of Mexican migration and immigration enforcement.
Migrants and Migration in Modern North America
| Library of Congress | Library of Congress | 2011
This collection of essays explores migration across North America, including transnational labor, Caribbean migration, borderlands, gender, and modern mobility.
Operation Wetback
| Immigration History | Immigration History | n.d.
This article summarizes the 1954 deportation campaign and its place in the history of Mexican migration, labor demand, and enforcement.
The Bracero Program
| Immigration History | Immigration History | n.d.
This article explains the U.S.-Mexico guest-worker program that brought Mexican laborers to U.S. farms and railroads from World War II through 1964.
Immigration Act of 1990
| Immigration History | Immigration History | n.d.
This article summarizes the 1990 law’s expansion of legal immigration, employment-based visas, and the Diversity Visa lottery.
Immigration Reform and Control Act of 1986
| Immigration History | Immigration History | n.d.
This article explains the 1986 law that combined legalization for many undocumented immigrants with employer sanctions and expanded enforcement.
Puerto Rican/Cuban: Immigration and Relocation in U.S. History
| Library of Congress | Library of Congress | n.d.
This overview compares Puerto Rican and Cuban migration histories, including empire, citizenship, exile, labor, political change, and community formation.
Mexican: Immigration and Relocation in U.S. History
| Library of Congress | Library of Congress | n.d.
This overview traces Mexican migration to the United States, including borderlands history, labor recruitment, repatriation, the Bracero Program, and community formation.
The Bracero Program
| HISTORY.com Editors | HISTORY | n.d.
This article describes the U.S.-Mexico guest-worker program that began during World War II and shaped agricultural labor, border policy, and Mexican migration.
African, Black, Indian, and Refugee Migration
A Rising Share of the U.S. Black Population Is Foreign Born
| Pew Research Center | Pew Research Center | April 9, 2015
This report examines Black immigration to the United States, including Caribbean and African migration, refugee policy, and the growing diversity of Black America.
Learning from Our Past: The Refugee Experience in the United States
| American Immigration Council | American Immigration Council | November 25, 2015
This report places refugee admissions in historical context, comparing moments of welcome and exclusion and showing how U.S. refugee policy developed over time.
Refugee Act of 1980
| Immigration History | Immigration History | n.d.
This article explains the Refugee Act, which aligned U.S. refugee law more closely with international standards and created a formal asylum system.
The Refugee Act
| HISTORY.com Editors | HISTORY | n.d.
This article introduces the Refugee Act of 1980 and its role in creating a standardized system for refugee admissions and asylum protections.
African: Immigration and Relocation in U.S. History
| Library of Congress | Library of Congress | n.d.
This overview places African migration in U.S. history, including forced migration through slavery and later voluntary immigration from Africa and the Caribbean.
Nativism, Restriction, Enforcement, and Unauthorized Immigration
Unwanted: Immigration and Nativism in America
| American Immigration Council | American Immigration Council | September 13, 2010
This report traces nativist movements across U.S. history, including anti-Irish, anti-Catholic, anti-Asian, anti-Jewish, anti-Italian, and anti-Mexican hostility.
Four Years of Profound Change: Immigration Policy During the Trump Presidency
| Sarah Pierce and Jessica Bolter | Migration Policy Institute | 2020
This report documents hundreds of immigration policy changes from 2017 to 2020, showing how executive action reshaped refugee admissions, asylum, border enforcement, visas, and legal immigration.
The Birth of “Illegal” Immigration
| Erin Blakemore | HISTORY | September 7, 2017
This article explains how federal immigration restriction, especially Chinese exclusion and border enforcement, helped create the modern legal category of unauthorized immigration.
The Know-Nothing Party
| Encyclopaedia Britannica | Britannica | n.d.
This article explains the anti-immigrant and anti-Catholic Know-Nothing movement of the 1850s, a major example of nativist politics in U.S. history.
Immigration Restriction League
| Encyclopaedia Britannica | Britannica | n.d.
This article introduces the Immigration Restriction League, an elite restrictionist organization that promoted literacy tests and influenced early 20th-century immigration policy.
Illegal Immigration Reform and Immigrant Responsibility Act of 1996
| Immigration History | Immigration History | n.d.
This article explains the 1996 law that expanded deportation grounds, detention, expedited removal, and penalties for unlawful presence.
The Dillingham Commission
| United States Senate | Senate Historical Office | n.d.
This Senate history page explains the Dillingham Commission, whose early 20th-century immigration studies influenced restrictionist arguments and later quota laws.
How America’s Immigration System Became Illegal
| Migration Policy Institute | Migration Policy Institute | n.d.
This article examines how restriction laws, border controls, and legal categories helped produce the modern phenomenon of unauthorized immigration.
Primary Sources, Archives, and Research Guides
Immigration Primary Sources & Teaching Activities
| National Archives Education Updates | National Archives | February 1, 2021
This resource gathers primary sources and teaching activities on immigration history, including Ellis Island, Chinese exclusion, the Immigration Act of 1924, and refugee experiences.
American History Research Guide
| Library of Congress | Library of Congress | n.d.
This research guide provides pathways into Library of Congress collections, including guides on Chinese exclusion and other immigration-related primary documents.
Global Timeline: Immigration and Relocation in U.S. History
| Library of Congress | Library of Congress | n.d.
This timeline uses primary sources to place multiple immigrant and migrant groups into a broader chronology of movement, settlement, exclusion, and adaptation.