Almost half—47%—of adults own an iPod or other mp3 player. However, among the devices examined in this report, mp3 players saw the widest range in ownership rates between generations. While 74% of Millennials own an mp3 player, only 56% of members of Gen X do—and adoption rates continue to drop for each of the older generations. Only 3% of adults age 75 and older own this type of device.