Hey I am 20 years old and I am a citizen for the ys .I have a fiancé out of the country I've been with him two years and we are getting married in march I just wanted to know how long does it take for immigration let him in the country after I apply for a green card for him to come to the u.s , or is it less longer appy for a finace visa

First he must meet all the requirements. There is no promise he will even qualify. And what country is he from ?

First he must meet all the requirements. There is no promise he will even qualify. And what country is he from ?
And what are those requirements? He is from Dominican Republic and he has never been arrested or not like that. I want to know what he needs and how ling does is it take for him to to get in the united states.