How many types of us visas are there

There are approximately 185 different types of US visas, which are broadly classified into two main categories:

• Nonimmigrant Visas: These are for temporary stays, including tourism, business, work, or study. Common examples for Indian citizens include B-1/B-2 for visitors, F-1 for students, and H-1B or L-1 for skilled workers.
• Immigrant Visas: These are for individuals planning to live and work permanently in the United States. This category includes family-sponsored visas, employment-based preferences (EB-1 to EB-5), and the Diversity Visa program.