These Will Be the Oldest Populations by 2050

Japan equipped to handle ageing boom, Greece and South Korea aren't

Sen Honda smiles as she crochets at the Kirigaoka Day Home in Kita ward in Tokyo. The city is one of only four cities among the 71 most-populous urban centers ranked by the United Nations that are poised to shrink between 2014 and 2030, and the other three are also in Japan.

Photographer: Yuriko Nakao/Bloomberg

Millennials in Japan, Korea, Greece, Italy, Portugal and Spain beware.

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