Cohort Projection Sandbox
Change the assumptions and watch a cohort move. Births, mortality and years, all adjustable.
At 132 million births a year declining 0.5% annually across a fifteen-year cohort with 96% survival, the cohort reaches about 1.83 billion people.
Cohort Projection Sandbox
Frequently asked
Is the Cohort Projection Sandbox 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.
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