Share of U.S. adults who had flu vaccinations from 2009 to 2018, by age
In 2018, around 68 percent of people aged 65 years and older were given a flu vaccination in the United States, compared to just around 34 percent of people aged 18 to 49 years. This statistic illustrates the percentage of adults who received flu vaccinations in the United States from 2009 to 2018, by age.