Here are some popular visa types available for USA:

The United States offers various visa types for different purposes. Here are some of the most popular ones:

1. B-1 Visa (Business Visitor):The B-1 visa is for individuals traveling to the US for business purposes, such as attending meetings, conferences, or negotiating contracts.
   1. It does not allow for employment or work within the US, but it permits temporary business-related activities.
2. B-2 Visa (Tourist Visitor): The B-2 visa is for tourists and individuals visiting the US for pleasure, including vacations, family visits, or medical treatment.
   1. Like the B-1 visa, it is a temporary visa and does not authorize employment.
3. H-1B Visa (Specialty Occupation):The H-1B visa is popular among skilled professionals in fields like technology, engineering, and healthcare.
   1. It allows foreign workers to work temporarily in the US for a sponsoring employer in a specialty occupation.
4. L-1 Visa (Intracompany Transferee): The L-1 visa is for employees of multinational companies who are being transferred to a US office.
   1. It allows intracompany transferees to work in the US temporarily.
5. F-1 Visa (Student): The F-1 visa is for international students pursuing academic programs at US universities or institutions.
   1. It allows students to study full-time and work part-time on campus during their studies.
6. J-1 Visa (Exchange Visitor): The J-1 visa is for participants in exchange programs, including students, researchers, and cultural exchange visitors.
   1. It promotes international understanding and cultural exchange.
7. O-1 Visa (Extraordinary Ability): The O-1 visa is for individuals with extraordinary abilities or achievements in fields like arts, sciences, education, or athletics.
   1. It allows them to work temporarily in the US based on their exceptional talents.

To apply for a visa to migrate or work in USA, follow these steps:

If you’re considering migrating or working in the United States, here’s a step-by-step guide on how to apply for a US visa:

1. Determine the Visa Type Needed: First, identify the type of US visa that aligns with your purpose of travel. 
2. Gather Required Information: Collect all necessary information for your visa application. 
3. Complete Form DS-160: Fill out the Nonimmigrant Visa Application Form DS-160 online. This form captures essential information about your trip and background. Remember to save the DS-160 barcode page after completing it.
4. Pay the Visa Application Fee: Pay the required visa application fee (also known as the MRV fee) online. 
5. Schedule a Visa Interview: Visit the Consular Electronic Application Center (CEAC) website and schedule your visa interview appointment. 
6. Prepare Documents: Compile all necessary documents, including your DS-160 confirmation, passport, visa fee receipt, and any supporting materials (such as employment letters or university acceptance letters)
7. Attend Biometrics Appointment and Visa Interview:Attend your scheduled biometrics appointment (if required) to provide fingerprints and a photograph. Attend the visa interview at the US Embassy or Consulate. 
8. Check Visa Status Online: After the interview, you can check your visa status online to see if it has been approved or denied

Visa that allows you to work

If you’re interested in working in the United States, there are several types of work visas available.

1. H-1B Specialty Occupation Visa: is the most popular work visa in the U.S. and is available to individuals from other countries who work in specialty occupations like computer science or engineering.
   1. To qualify, you need a job offer from a U.S
2. L-1 Visa: The L-1 visa is for employees of foreign businesses with direct affiliations to U.S. companies and if your organization transfers you to its U.S location.
3. E-2 Treaty Investor Visa: is for investors from countries with treaties with the U.S. It allows you to invest a substantial amount in a U.S. 
4. O-1 Extraordinary Ability Visa:  is for individuals with extraordinary abilities or achievements in fields like arts, sciences, education, or athletics.It allows you to work temporarily in the U.S. based on your exceptional talents
5. TN Visa (NAFTA Professionals): is for Canadian and Mexican professionals under the North American Free Trade Agreement (NAFTA).
   1. It covers various professions, including engineers, scientists, and teachers
6. J-1 Exchange Visitor Visa: is for participants in exchange programs, such as students, researchers, and cultural exchange visitors and it promotes international understanding and cultural exchange.

Visa that allows you to migrate

Immigrating to the United States requires acquiring an immigrant visa, which provides permanent residency. The process may vary depending on the exact visa category, therefore consulting with an immigration attorney is recommended to verify you meet the eligibility requirements and take the correct course for your immigration journey.

Purpose of Immigrant Visas: An immigrant visa allows you to make the United States your permanent home. It provides the process to acquiring a green card, which offers several benefits, including freedom of employment and eligibility for US citizenship if other prerequisites are met.

Eligibility Criteria: Immigrant visas are available based on different grounds:

1. • • Family-Based: If you have a close relationship with a U.S. citizen or lawful permanent resident (LPR) family member.
     • Employment-Based: If you have a job offer from a U.S. employer who sponsors your application.
     • Diversity Visa Lottery: The Diversity Visa (DV) program randomly selects applicants from countries with low immigration rates to promote diversity.
     • Investment (EB-5): If you invest a substantial amount in a U.S. business.
     • Marriage to a U.S. Citizen: If you marry a U.S. citizen.
     • Political Asylum: If you seek protection due to persecution or fear of harm in your home country21.
2. Application Process:
   • Choose the specific type of immigrant visa that suits your situation.
   • Fulfill the requirements for that visa category.
   • Cover the costs associated with the application.
   • Apply for the visa through the U.S. Department of State.
   • Wait for the result of your application.
   • Once approved, you can move to the U.S. and become a permanent resident-Apply for an immigrant visa | USAGov