Beta Development Milestone Checker
The CDC milestones most children (75% or more) reach by each age from 2 months to 5 years, as revised with the American Academy of Pediatrics in 2022.
By the CDC milestones, most children take a few steps alone by 15 months, walk without holding on by 18 months, put two words together by 2, say about 50 words by 30 months and count to 10 by 5. Each is an age at least 75% of children have reached.
Beta Development Milestone Checker
Frequently asked
Is the Beta Development Milestone 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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