Immigration Act of 1921

Emergency Quota Act

Other short titles	Emergency Immigration Act of 1921 Immigration Restriction Act of 1921 Johnson Quota Act
Long title	An Act to limit the immigration of aliens into the United States.
Nicknames	Per Centum Limit Act
Enacted by	the 67th United States Congress
Effective	May 19, 1921
Citations
Public law	67-5
Statutes at Large	42 Stat. 5
Legislative history
Introduced in the House as H.R. 4075 by Albert Johnson (R-WA) Passed the House on April 22, 1921 (passed voice vote) Passed the Senate on May 3, 1921 (90-2) Reported by the joint conference committee on May 5, 1921; agreed to by the House on May 13, 1921 (285-41) and by the Senate on May 13, 1921 (agreed) Signed into law by President Warren G. Harding on May 19, 1921

The Emergency Quota Act, also known as the Emergency Immigration Act of 1921, the Immigration Restriction Act of 1921, the Per Centum Law, and the Johnson Quota Act (ch. 8, 42 Stat. 5 of May 19, 1921) restricted immigration into the United States. Although intended as temporary legislation, the Act "proved in the long run the most important turning-point in American immigration policy" because it added two new features to American immigration law: numerical limits on immigration and the use of a system for establishing those limits. These limits came to be known as the National Origins Formula.

The Emergency Quota Act restricted the number of immigrants admitted from any country annually to 3% of the number of residents from that same country living in the United States as of the U.S. Census of 1910. This meant that people from northern European countries had a higher quota and were more likely to be admitted to the U.S. than people from eastern Europe, southern Europe, or other, non-European countries. Professionals were to be admitted without regard to their country of origin. The Act set no limits on immigration from Latin America. The act did not apply to countries with bilateral agreements with the US, or to Asian countries listed in the Immigration Act of 1917, known as the Asiatic Barred Zone Act.

Based on that formula, the number of new immigrants admitted fell from 805,228 in 1920 to 309,556 in 1921-22. The average annual inflow of immigrants prior to 1921 was 175,983 from Northern and Western Europe, and 685,531 from other countries, principally Southern and Eastern Europe. In 1921, there was a drastic reduction in immigration levels from other countries, principally Southern and Eastern Europe.

Following the end of World War I, both Europe and the United States were suffering economic and social upheaval. In Europe, the destruction of the war, the Russian Revolution, and the dissolution of both the Austro-Hungarian Empire and Ottoman Empire led to greater immigration to the United States, while in the United States an economic downturn following post-war demobilization increased unemployment. The combination of increased immigration from Europe at the time of higher American unemployment strengthened the anti-immigrant movement.

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