What do you mean by the number of American visas?

American visas are divided into immigrant visas and non-immigrant visas.

The following non-immigrant categories

Category A-Diplomatic personnel

A- 1。 Foreign ambassadors, senior officials, diplomatic or consular officials and their families

A-2。 Other foreign government officials or employees and their family members.

A-3' s waiter, servant or personal assistant. A- 1 and A-2 visa holders and their families.

Category b-short-term tourists

B- 1。 Short business visit

B-2。 Short - term travel

Class c-transport personnel

C- 1。 Alien transit

C2。 Entry/transit of qualified foreigners to and from United Nations Headquarters and foreign countries.

C3 explosive. Transit of foreign government officials, family members, waiters, servants and personal assistants

Class d-crew

D- flight attendant

Class e-special investors

E- 1。 Businessmen, spouses and minor children

E-2。 Investors, spouses and minor children

F-student

F- 1。 A full-time student enrolled in a law school.

F-2。 Spouses and minor children of students

There are also various forms, such as 160 I 20 I94, which are very complicated.