According to a 2017 Gallup survey, the percentage of individuals in the United States who are invested in the stock market by age is as shown in the following table.† Age Range Percent of Individuals Invested in Stock Market 18–29 31 30–49 62 50–64 62 65+ 54 Suppose Gallup wishes to complete a follow-up survey to find out more about the specific type of stocks people in the United States are purchasing.