What are the types of immigrant visas in the United States?

The specific categories are as follows:

F0 class: parents and minor children of citizens.

F 1 category: 2 1 unmarried children of citizens over one year old.

Category f2: spouses of permanent residents and unmarried children under 2 1 year.

2/kloc-Unmarried children with permanent residency over 0/year old.

F3: Married children of citizens.

F4: Brothers and sisters of citizens.

Professional migration: it is to realize migration through employment to meet the needs of American economic development.

Eb- 1 Priority is given to international business and management talents, outstanding professors and researchers, and foreigners with special talents in science, art or business.

The second priority of Eb-2 (40,000 places per year+the balance of the first priority) is those who have unique abilities in science, art or business, as well as cutting-edge technology professionals.

The third priority of Eb-3 (annual limit of 40000+ second priority balance) is undergraduate professional and technical personnel and skilled workers (with at least two years of training and experience) who do not meet the second priority.

Unskilled workers.

Eb-4 Fourth priority (annual quota 1 10,000) pastor, pastor religious practitioner, more than two years of non-profit work experience.

Eb-5 gives investment immigrants the fifth priority (65,438+00,000 per year). The US Immigration Service allows foreigners with different majors to apply for legal permanent residence in the United States, and people with different occupations have different norms.