Skill Half-Life
How long a skill stays current, and how much re-learning a career implies.
A skill with a five-year half-life must be relearned about nine times across a career, leaving 25% still current after ten years and effectively none by retirement.
Skill Half-Life
Frequently asked
Is the Skill Half-Life 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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