How long can I get a green card after I get married to Mexico?

1 month. Official website, the National Immigration Bureau, shows that those who have been married for less than two years will get a temporary green card for two years when applying for marriage immigration. If you have been married for 2 years or more, you will get a permanent green card. The application materials for a temporary green card are very simple, and you can get a green card every month. A green card, that is, a permanent residence permit for foreigners, is a permanent residence permit for foreign citizens.