Population ageing

Rarity: Uncommon

A topic a little better known than average, read and translated beyond its own country.

Rarity follows how well known the article is: its views on the French and English Wikipedia over a year, and the number of languages it exists in.

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What Wikipedia says

Population ageing is an overall change in the ages of a population. This can typically be summarised in a single parameter as an increase in the median age. Causes are a long-term decline in fertility rates and a decline in mortality rates.

Excerpt from the Wikipedia article “Population ageing”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: Alexh at French Wikipedia, Public domain, via Wikimedia Commons.