Elderly Indians participate in celebrations to mark International Day of Older Persons at an old age home in Ahmadabad, India, Tuesday, Oct. 1, 2013. Much of the world is not prepared to support the ballooning population of elderly people, including many of the fastest-aging countries, according to a global study scheduled to be released Tuesday, Oct. 1, by the United Nations and an elder rights group. (AP Photo/Ajit Solanki)
