Immigrant visas vs Nonimmigrant visas

What is an immigrant visa? (IV)

An immigrant visa (IV) allows people to live permanently in the United States.

Immigrant visa samples

Green Card for Immediate Relatives of U.S. Citizens Green Card for Family Preference Immigrants ( I-130) Green Card for Employment-Based Immigrants (I-140)

What is a nonimmigrant visa? (NIV)

A nonimmigrant visa (NIV) is issued to a person with permanent residence outside the United States, but wishes to be in the U.S. on a temporary basis for tourism, medical treatment, business, temporary work or study, as examples.

Nonimmigrant visa samples

Visitor visa for tourism or business (B-1/B-2) International student visa (F-1) Treaty trader & investor visas and visas for Australians (E-1/E-2/E-3) Specialty occupations (H-1B)