Issued in March 2016, this update to the Census Bureau series on global aging was commissioned by the NIA to examine the demographic, health, and economic aspects of global population aging, and includes trends identified in 2007 by the NIA and the U.S. Department of State (Why Population Aging Matters: A Global Perspective). An Aging World: 2015 contains detailed information on aging trends; the dynamics of population aging; life expectancy, health, and mortality; health care systems and population aging; work and retirement, and; pensions and old age poverty. For additional information, please visit the Census Bureau.