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Population & Data

Cohort Crossover Finder

The year one cohort overtakes another in a country — or why it never does.

Quick answer

Nigeria's Generation Beta cohort, adding roughly 8.7 million a year against 95 million Alphas, overtakes the older cohort in about nine years — set the annual addition low enough and the crossover never happens at all.

Free tool

Cohort Crossover Finder

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Frequently asked

Is the Cohort Crossover Finder free?

Yes. Every tool on AlphaBetaMinds is free, needs no account and has no usage limit.

Does this tool store what I type?

No. It runs entirely in your browser. Your inputs are never sent to our server, and nothing is logged.

How accurate is it?

It uses the McCrindle generation boundaries (Gen Alpha 2010–2024, Gen Beta 2025–2039) and UN World Population Prospects vital rates. Sources and formulas are on our methodology page.

Can I use the result in an article or report?

Yes, with a credit and a link back to this page. See our terms of use for the full licence.