(Order according to fanchant.)

The girls they want to marry should be born in (it may change because AGE IS JUST A NUMBER)

RM: 1991 to 1999

Jin: 1991 to 2002

Suga: 1980 to 2001

Jhope: 1980 to 1998

Jimin: 1993 to 2003

V: 1990 to 1999

Jungkook: 1994 to 2000