In this era of demographic transition, however, clothes are handed up from younger siblings to older.

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The demographic transition, according to this analysis, is a shift from r-type to K-type behaviour.

ECONOMIST: Why, as people get richer, do they have fewer children?

And that does not include any benefits that might come from the demographic transition.

ECONOMIST: Vaccination

This is because such countries have moved furthest along the demographic transition from poor, high-fertility status to richer, low-fertility status.

ECONOMIST: African child mortality

The upshot is that the demographic transition may be the result of a mismatch between ancient psychology and the modern world.

ECONOMIST: Why, as people get richer, do they have fewer children?

The moral compass that would otherwise support a pain-free demographic transition and accompanying ecological renaissance appears all but non-existent, even amid the greenest of conversations and investor appetites.

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Thanks to its demographic transition.

ECONOMIST: Africa's population

Most of the debate has concentrated on their long-term arithmetic: they think that Japan's population is bound to stabilise at some point, perhaps around 2060, and that Japan will therefore be able to ease the demographic transition by spreading the costs over the course of a century or more.

ECONOMIST: Japan

During the five-day Forum, participants will discuss climate change, demographic changes, indigenous knowledge, the transition to a green economy and water security.

UNESCO: MEDIA SERVICES