Immigrant Visa: Preference Classification for Employment-based Immigrant Visas


The employment-based immigrant visa is designed to help achieve an objective of the Immigration Act of 1990: the attraction to the United States of persons whose occupational skills are in short supply.

For more information, see Immigrant Visa (Permanent Residency).

Preference Classification

The United States Citizenship and Immigration Services has identified five types of workers eligible for employment-based immigrant visas. These types are known as "preference classifications."

Only three of the preference classifications are relevant to Research Foundation (RF) employment. Each is described below.

Preference Classification 1

Priority workers include:

Preference Classification 2

This classification includes:

Preference Classification 3

This classification includes:



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