What are the types?

Visas are generally divided into six categories according to the nature of entry and exit: exit visa, entry visa, entry and exit visa, entry and exit visa, re-entry visa and transit visa.

Some countries (regions) divide the issued visas into: diplomatic visas, official visas, immigrant visas, non-immigrant visas, courtesy visas, tourist visas, work visas, study visas, business visas and Family visas, etc.

Currently, the visas of most countries in the world are divided into: diplomatic visas, official (official) visas and ordinary visas.

There are four types of visas in my country: diplomatic visa, courtesy visa, official visa and ordinary visa.

The United States currently uses the most visa codes. Among them, there are 18 types of non-immigrant visa codes, each of which is subdivided into multiple. The introduction is as follows:

(1) Type A visas: (namely, diplomatic service visas) are issued to:

A-1: Ambassadors, ministers, professional diplomats, consular officials and their family members dispatched by foreign governments to the United States;

A-2: Other officials, employees and family members of foreign governments;

A-3: Followers, servants, private employees and family members of A-1 and A-2 visa recipients.

(2) Type B visas (ie business travel visas) are issued respectively: B-1: Short-term stayers for the purpose of dealing with business and trade, inspection visits, etc.; B-2: Short-term visits to relatives and friends, tourism and sightseeing By.

(3) The C visas (ie transit visas) are issued to:

C-1: Foreigners in transit;

C-2: Foreigners transiting to the United Nations headquarters in New York;

C-3: Transit foreign government officials, entourages, servants, private employees and their families.

(4) D visas (that is, crew members, seafarer visas) are issued to:

Crew members on international flights and seafarers on ships of various countries.

(5) E visas (that is, international treaty or agreement investor visas) are issued to:

E-1: Those who do business in the United States and their spouses and children in accordance with international treaties or agreements;

E-2: Investors and their spouses and children in the United States in accordance with international treaties or agreements.

(6) F visas (ie student visas) are issued to:

F-1: Students studying abroad (that is, those studying abroad at their own expense);

F-2: The spouse and children of the F-1 visa holder.

(7) G visas (ie visas for employees of international organizations) are issued to:

G-1: The chief permanent representative of a foreign government stationed in an international organization recognized by the government, the staff of the representative and the family members of the above-mentioned personnel;

G-2: Other representatives of foreign governments stationed in international organizations and their family members recognized by the government;

G-3: Representatives of foreign government international organizations and their family members that are not recognized by the government, or foreign government representatives and their family members who are not members of international organizations;

G-4: Officials, employees and family members of international organizations;

G-5: Followers, servants, private employees and family members of the above-mentioned G1-G4 visa holders.

(8) H visas (that is, visas for temporary employees and trainees) are issued to:

H-1: Temporary foreigners with special professional skills;

H-2: Foreigners who temporarily work due to a certain type of work or occupation that is lacking in the country;

H-3: Foreigners who have received various trainings;

H-4: The spouse and children of the above-mentioned H-1～H-3 visa holders.

(9) Type I visas (that is, visas for journalists) are issued to:

Representatives, journalists and their spouses and children of news, radio, and television organizations stationed in the United States.

(10) J visas (ie exchange visitor visas) are issued to:

J-1: International students, advanced students and various scientific researchers dispatched under the bilateral exchange visiting scholars program approved by the government;

J-2: The spouse and children of the visa holder.

(11) The subjects of the K visa (ie marriage visa) are:

K-1: Foreigners who must go to the United States to marry a U.S. citizen;

K-2: Adult children of visa recipients.

(12) The subjects of the L visa (ie the employee visa of multinational corporations) are as follows:

L-1: Personnel dispatched by American multinational corporations to foreign subsidiaries, offices or international companies to work temporarily in the United States;

L-2: The spouse and children of the visa holder.

(13) M visas (ie non-academic international student visas) are issued to foreign students who go to American vocational colleges or colleges for full-time study.

(14) Type N visas (that is, visas for accompanying parents and children of certain special immigrants) are issued to the family members (parents and children) brought by the staff of certain international organizations during their tenure in the United States.

(15) O visas (that is, visas for persons with outstanding talents) are issued to:

O-1: Persons recognized domestically or internationally in science, education or commerce, sports, and literature;

O-2: Attaché of the above-mentioned sports or artistic people.