1 st  Unmarried sons & daughters of U.S. Citizens    May 1, 2004 May 1, 2004
2-A Spouses and unmarried children of 
permanent residents August 22, 2007 August 22, 2007
2-B Unmarried sons & daughters (21 years
of age or older) of permanent residents  April 15, 2003 April 15, 2003
3 rd  Married sons & daughters of U.S. citizens  June 1, 2001 June 1, 2001
4 th  Brothers & sisters of adult U.S citizens  March 8, 2000 March 8, 2000
EMPLOYMENT BASED CATEGORY
1 st  Priority workers  Current  Current 
2 nd  Professionals holding advanced degrees
or persons of exceptional ability  Current  October 15, 2006
3 rd  Skilled workers  September 15, 2005 April 15, 2002
Other workers  November 8, 2003 April 15, 2002
4 th  Certain special immigrants  Current Current
Certain religious workers  Current Current
5 th  Employment creation  Current Current
Targeted Employment Areas/ Current Current
Regional Centers 
Pilot Programme Current Current
UNLIMITED FAMILY-BASED
Immediate Relatives of U.S. Citizens (IR): The spouse, widow(er) and unmarried children
under 21 of a U.S. citizen, and the parent of a U.S. citizen who is 21 or older.
Returning Residents (SB): Immigrants who lived in the United States previously as lawful
permanent residents and are returning to live in the U.S. after a temporary visit of more
than one year abroad.