While seniors have adopted social media at the highest rate over the past two years, the percentage that uses social media still trails behind other age groups in the U.S. They are the only group yet to reach 50% adoption. In 2013, 89% of 18 to 29-year-olds, 78% of 30 to 49-year-olds and 60% of 50 to 64-year-olds are active on the social web