Sibling Generation Checker
Two siblings, two cohorts? Find out whether an age gap crosses a generational line.
Siblings born in 2022 and 2026 are only four years apart and sit in different generations, because the Alpha–Beta boundary falls at 1 January 2025.
Sibling Generation Checker
Frequently asked
Is the Sibling Generation Checker 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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