Family size around the world is dropping. That choice by couples is triggering a population shift that's sending shock waves ...

Allow me to introduce the next group of people who will be top 1 percenters. They may not be rich in income. Or wealth. But they will definitely be rich in years. It will be the men and women (mostly ...

We seem fascinated by generations, using them to evoke shared experiences and to push us apart. Demography, the science of population change, defines a cohort as a group of people born at roughly the ...

At the time of writing, there were an estimated 8,123,518,311 living humans on Earth – roughly the most there has ever been. But as fertility and birth rates continue to freefall, the numerical peak ...

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