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Persons who experienced an asthma episode in the past 12 months in the United States 1997-2017

Percentage of persons who experienced an asthma episode in the past 12 months in the U.S. 1997-2017

The data illustrates the percentage of persons of all ages who experienced an asthma episode in the past 12 months, in the U.S. from 1997 to 2017. In 2017, 3.8% of persons in the United States experienced an asthma episode within the past 12 months.

1997	4.2
1998	4
1999	3.9
2000	4
2001	4.3
2002	4.3
2003	3.9
2004	4.1
2005	4.2
2006	4.2
2007	4.2
2008	4.2
2009	4.2
2010	4.5
2011	4.3
2012	4.4
2013	3.8
2014	3.6
2015	3.8
2016	4.1
2017	3.8

Persons who experienced an asthma episode in the past 12 months in the United States 1997-2017

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