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State Health Compare

Percent of adults who received a flu vaccine in the past 12 months

Measure Overview

Every year, millions of Americans receive a flu vaccine (also commonly called a “flu shot”) to protect against strains of the influenza virus during flu season, which typically lasts from October to May. The flu shot can be a life-saving vaccine for people at higher risk of severe complications from influenza, such as adults age 65 and older and individuals with chronic health conditions or diseases (e.g., asthma, diabetes, cancer). 

Tracking flu vaccination rates in the United States can help detect gaps in vaccination coverage across different demographic groups and identify populations that are under-vaccinated against influenza. 

Adult Flu Vaccination Rates by State: Breakdowns and Data Source


State Health Compare provides state-level data on adult flu vaccination rates. These estimates come from Behavioral Risk Factor Surveillance System (BRFSS) data. 

10 breakdowns are available for this measure: Age, Chronic Disease Status, Coverage Type, Education, Household Income Categories, Metropolitan Status, Personal Doctor Status, Race/Ethnicity, Sex, and Sexual Orientation.

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