quota system
noun
a system, originally determined by legislation in 1921, of limiting by nationality the number of immigrants who may enter the U.S. each year.
a policy of limiting the number of minority group members in a business firm, school, etc.
any hiring or admissions policy requiring that a specified number or percentage of minority group members be hired or admitted.
Origin of quota system
First recorded in 1920–25
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019