Global Aging: Key Implications for U.S. Foreign Policy and Federal Agencies

What GAO Found Many countries, including the U.S., are experiencing an increase in both the number and the proportion of older adults in their populations. According to the World Health Organization, the share of the global population aged 60 and over is expected to more than double from one billion in 2020 to 2.1 billion by 2050. As countries experiencing population aging take steps to address the domestic effects, experts told GAO that global population aging may also affect the U.S.