1. a fixed number or amount of something that is officially allowed or required
2. a proportional part or share of a fixed total

Examples

• The fishing quota for this season has been reduced by 20%.
• Each sales representative must meet their monthly quota.
• The university has a quota system for international students.
• Immigration quotas were established in the 1920s.
• She exceeded her sales quota three months in a row.
• The company’s hiring quota includes diversity targets.
• Export quotas help protect domestic industries.