Japanese American Incarceration

Japanese American family being relocated in 1942. Two adults, one teenage male, and 6 young children in the group.
Members of the Mochida family awaiting an evacuation bus. Identification tags were used to help keep a family together during relocation. Hayward, California. 5/8/1942

Dorothea Lange for the War Relocation Authority. National Archives and Records Administration. National Archives Identifier 537505

On March 23, 1942, using the authority delegated to him under Executive Order 9066, Western Defense Commander General John L. DeWitt ordered the removal and relocation of all people of Japanese descent living in California, western Oregon, western Washington, and southern Arizona. Approximately 110,000 people, two-thirds of them American citizens, were made to abandon their homes and communities and were forcibly removed to War Relocation Authority confinement sites. In addition, over 2,000 people of Japanese descent living in Hawaii were incarcerated in confinement sites in the Hawaiian islands or sent to mainland confinement sites.

By the end of the war over 120,000 people of Japanese descent had been incarcerated, without trial, in sites across the western United States and Hawaii. It was the single largest forced relocation of people in U.S. history.

Today, the National Park Service preserves multiple WWII confinement sites. To learn more see our Visit World War II Parks page or our Japanese American Confinement subject site.

To learn more about the individual confinement sites and the history of relocation and incarceration during WWII see the National Historic Landmark Theme Study Japanese Confinement in World War II and the National Park Service report Confinement and Ethnicity: An Overview of Japanese American Relocation Sites.

Japanese American Incarceration During World War II

Showing results 1-10 of 59

    • Type: Article
    • Locations: Manzanar National Historic Site, Minidoka National Historic Site, Tule Lake National Monument
    Black and white photo of Japanese American family gathering to pound rice to make mochi cakes

    The Munemitsu family’s story intertwines Japanese incarceration, questions of labor and loyalty, and a Mexican American family's fight for equal rights. During World War II, the Munemitsu family was forcibly removed and sent to an incarceration camp. Because the family leased their farm to Gonzalo Mendez, the lead plaintiff of Mendez et al. v. Westminster, et al. (1947), the Munemitsus retained ownership of the farm. To learn more, check out the rest of the Entangled Inequalities project.

    • Type: Article
    Woman operates a boring machine to produce ammo for 20mm anti-aircraft guns in a factory.

    This a series of lesson plans about the WWII home front, focused on Dayton, Ohio, and Montgomery County, as an American World War II Heritage City. The lessons contain photographs, reading, and a primary source, with an optional activity. The lessons highlight specific contributions (such as defense manufacturing, civilian involvement, Armed Forces presence, and Japanese American resettlement), but connect to larger themes and understandings of the US home front during wartime.

    • Type: Article
    A classroom with children sitting in a circle

    Entangled Inequalities is a project that tells the story of the two (extra) ordinary families. The Munemitsu and Mendez families lived on a farm in southern California. Their story connects two pieces of World War II history: the US incarceration of Japanese Americans and the segregation of Latino students in California schools. The three lessons in this series allow students to learn more about the entangled inequalities faced by the two families. It supports the Entangled Inequalities Series.

    • Type: Person
    Wire sculptures by Ruth Asawa.

    Ruth Asawa is a famous artist and sculptor. This page explores her life and legacy.

    • Type: Person
    • Locations: Golden Gate National Recreation Area, Presidio of San Francisco
    portrait of young Japanese male

    Fred Korematsu was a civil rights leader and pioneer. When the Army forced Japanese Americans into concentration camps during WWII, Fred Korematsu refused to comply with the orders. He was arrested and held in the Presidio Stockade until being sent to the camps. Fred Korematsu fought his conviction and internment with his case making it to the U.S. Supreme Court. Fred Korematsu spent his life fighting against discrimination in the United States.

    • Type: Person
    Asian woman with cat-eye glasses holding megaphone speaker.

    Yuri Kochiyama was a Japanese American political and civil rights activist. During World War II, the U.S. government forcibly removed her and her family to an incarceration site for Japanese Americans. For fifty years, Kochiyama spoke out about oppressive institutions and injustice in the United States.

    • Type: Article
    A white stone obelisk with Japanese characters stands against a backdrop of mountains.

    On the World War II home front, Americans turned to their diverse religious beliefs to make sense of the world. Explore this page to learn more about Japanese American religion, Christian conscientious objectors, the Jewish experience in wartime America, and more stories of religion and World War II.

    • Type: Article
    Alien registration card wwii

    During the war, the United States government incarcerated many people in camps and prisons across the home front. This included enemy aliens, prisoners of war, Japanese Americans and Native Alaskans, and conscientious objectors. In Hawaii, the military imposed martial law. Elsewhere in the Greater United States, enemy forces incarcerated American civilians during and after the capture of American territories.

  • Mississippi National River & Recreation Area

    Ruth Nomura Tanbara

    • Type: Person
    • Locations: Mississippi National River & Recreation Area
    Japanese woman wearing navy kimono with pink and white flowers and green leaves sits on wooden stool

    Ruth Tanbara was a pioneering Japanese American community leader in St. Paul, MN. During World War II, the incarceration of Japanese Americans forced her and her husband Earl to leave their home in Berkeley, CA. They were the first Japanese Americans to resettle to St. Paul, and worked to promote the acceptance of other Japanese Americans from incarceration camps. After the war, the Tanbaras stayed in St. Paul and remained active in the community.

    • Type: Article
    black and white school photo with 3 rows of elementary students

    Three lessons allow students to explore the challenges for education equality during World War II and study the people who fought to improve access for their communities. In support of the Entangled Inequalities: Japanese Incarceration and Mendez et al. v Westminster School District of Orange County et al. article series.

Last updated: April 3, 2024

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