Saved on this device

Follow your curiosity

What discovery has been shared with you?

FACTREE gives you something interesting to discover every day — and something worth talking about together.

Start with one fact. Explore it, go deeper, then follow whichever branch catches your imagination.

Choose subjects for a surprise

Exploring any topic

Begin your discovery

Your next discovery is one click away.

Choose one or more subjects above, or leave Any Topic selected and let curiosity decide.

Sociology

Population Aging and the Intergenerational Contract in Welfare States

Quick fact

In many developed countries, the ratio of working-age adults to pensioners is set to halve by 2050, threatening the stability of pension and healthcare systems that were built when the demographic pyramid was much younger.

Why this is interesting

Generations are bound by a silent bargain: each working generation funds the retirement of the one before it, hoping the next will do the same. But what happens when there are more retirees than workers?