Humans have never been healthier or better fed. We’re living longer, but having fewer children - and many countries’ populations are now shrinking. Gideon discusses these trends with demographer Nicholas Eberstadt. Have smartphones played a role in our declining fertility? How will we look after our elderly people? Is migration the answer? Clip: CBC

Free links to read more on this topic:

The fight to revive Europe’s shrinking rural areas

Population undercounting threatens public policy, scientists warn

Japan urged to use gloomier population forecasts after plunge in births

The unspoken truth about the baby bust

Brain ageing is the best predictor of longevity, scientists find

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Presented by Gideon Rachman. Produced by Fiona Symon. Sound design is by Breen Turner and the executive producer is Flo Phillips.

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