What Is a US Visa?
A US Visa is a stamp placed inside your passport. It allows you to travel to a US port of entry, such as an airport or a land border. Your visa indicates that an officer at a U.S. Embassy abroad decided that you are eligible to request entry for the purpose of the visa.
Who Needs a US Visa?
Citizens of most countries in the world require a visa to travel temporarily to the United States. A visa is also needed to study, work or immigrate to the United States.
What Types of US Visas Are Available?
Two main categories of visas are available to foreign nationals. They can select either a Non-immigrant visa (for temporary visits) or an Immigrant visa (to establish permanent residency). In total, there are about 185 types of visas across both categories.