
Share of U.S. adults who knew stroke signs and how to respond as of 2017, by age
In 2017, around 66 percent of adults aged 20 to 44 years in the United States knew all five stroke signs and symptoms and that they should call 911 in the event of a stroke. This statistic illustrates the percentage of U.S. adults who knew stroke signs and how to respond as of 2017, by age.