The following September 2010 visa bulletin was released by U.S. Department of State. The dates in the visa bulletin represent the earliest priority date that will be processed during the month the visa bulletin is issued for. Certain high demand countries such as China (Mainland Born), India, Mexico and Philippines have a much longer wait time compared to the rest of the world (ROW).

Legend
"C" means current, i.e., numbers are available for all qualified applicants.
"U" means unavailable, i.e., no numbers are available. 
Numbers are available only for applicants whose priority date is earlier than the cut-off date listed below.

Family-Sponsored Preferences

Family-Sponsored	All Charge-ability Areas Except Those Listed	CHINA-mainland born	INDIA	MEXICO	PHILIPPINES
F1	01/01/2006	01/01/2006	01/01/2006	12/01/1992	01/01/1997
F2A	01/01/2010	01/01/2010	01/01/2010	01/01/2009	01/01/2010
F2B	01/01/2005	01/01/2005	01/01/2005	06/15/1992	08/01/2002
F3	03/01/2002	03/01/2002	03/01/2002	03/01/1992	01/01/1995
F4	10/15/2001	10/15/2001	10/15/2001	01/01/1994	01/01/1991

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Employment-Based Preferences

Employment-Based	All Chargeability Areas Except Those Listed	CHINA-mainland born	INDIA	MEXICO	PHILIPPINES
1st	C	C	C	C	C
2nd	C	05/08/2006	05/08/2006	C	C
3rd	12/15/2004	10/22/2003	01/01/2002	U	12/15/2004
Other Workers	03/22/2003	03/22/2003	01/01/2002	U	03/22/2003
4th	C	C	C	C	C
Certain Religious Workers	C	C	C	C	C
5th	C	C	C	C	C
5th Targeted Employment Areas	C	C	C	C	C
5th Pilot Programs	C	C	C	C	C
Iraq Afghan Translators		C	C	C	C

In the above table, the categories listed are as follows:
EB1 - Priority Workers
EB2 - Members of the Professions Holding Advanced Degrees or Persons of Exceptional Ability
EB3 - Skilled Workers and Professionals
EB3-Other - Other Unskilled Workers
EB4 - Certain Special Immigrants
EB4-Religious - Religious Workers
EB4 - Iraq and Afghan Translators
EB5 - Employment Creation
EB5 - Targeted Employment Areas
EB5 - Pilot Programs

Further information on visa bulletin preferences