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An elderly woman participates in a protest in New Delhi, India, Wednesday, Nov. 27, 2013. The protesters demanded a universal old age pension for those above 60 years of age,  opposing the central governmentĂ­s proposal of US$ 3 per month. India is home to 142.9 million elderly, aged above 54 years. (AP Photo/Manish Swarup)

Manish Swarup/AP

An elderly woman participates in a protest about pensions in New Delhi, India. India is home to 142.9 million people aged 54 years or above Read more

A homeless man sleeps on the ground in L...A homeless man sleeps on the ground in Lisbon on July 3, 2013.  AFP PHOTO/ PATRICIA DE MELO MOREIRAPATRICIA DE MELO MOREIRA/AFP/Getty Images

Patricia Del Melo/AFP

A homeless man sleeps in Lisbon, PortugalRead more