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National Immunization Survey (NIS) - Children (19-35 months)

U.S. Vaccination Coverage Reported via NIS

The NIS is a large, on-going survey of immunization coverage among U.S. pre-school children (19 through 35 months old).

The tables, figures, and related articles in the table below, describe vaccination coverage at the U.S. national level and by state and immunization action plan (IAP) areas using results from the National Immunization Survey (NIS).

Some NIS tables are only available as Excel files.

(Children) NIS Data (timeframe)
Tables
Articles
Figures
January - December 2012 Sept 2013
July 2011 - June 2012 May 2013
11/12
11/12
January - December 2011 Sept 2012
July 2010 - June 2011 April 2012
10/11
10/11
January - December 2010 Sept 2011
July 2009 - June 2010 June 2011
09/10
09/10
January - December 2009 Sept 2010
July 2008 - June 2009 May 2010
08/09
08/09
January - December 2008
2008
July 2007 - June 2008 March 2009
07/08
January - December 2007
July 2006 - June 2007
06/07
06/07
January - December 2006
July 2005 - June 2006
05/06
05/06
January - December 2005
2005
January - December 2004
2004
July 2003 - June 2004
03/04
03/04
January - December 2003
2003
July 2002 - June 2003
02/03
02/03
January - December 2002
July 2001 - June 2002
01/02
01/02
January - December 2001
July 2000 - June 2001
00/01
00/01
January - December 2000
July 1999 - June 2000
99/00
January - December 1999
July 1998 - June 1999 *
98/99
98/99
January - December 1998 *
January - December 1997 *
1997
July 1996 - June 1997 *
96/97
96/97
January - December 1996 *
1996
January - December 1995 *
1995
July 1994 - June 1995 *
94/95
94/95
January - December 1994 *
1994
1994

*The statistical methodology for estimating vaccination coverage rates for NIS data was changed in 1998. The new methodology facilitates valid statistical analyses accounts for the survey's complex sampling design. Small differences exist between vaccination coverage estimates appearing in MMWRs published before 1998 and estimates published on this website. More information on methodologies...

All estimates published on this website are calculated using this new methodology.

Image fileIndicates file is an image (.gif)

The National Immunization Survey (NIS) has been conducted annually since 1994 by the National Immunization Program and the National Center for Health Statistics, Centers for Disease Control and Prevention. The NIS is used to obtain national, state, and selected urban area estimates of vaccination coverage rates for U.S. children between the ages of 19 and 35 months. The NIS is a random digit dialing telephone survey of households with age-eligible children followed by a mail survey of the children's vaccination providers to validate immunization information.

 

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