Developmental Milestones for Babies & Toddlers by Age

The skills your child learns as she grows — like rolling over, crawling, babbling and laughing — are called developmental milestones. Here's what to expect during the first two years.

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Milestones by Age

baby swaddled newborn

baby crawling

baby crawl move

cupcake birthday one

baby toddler walk

Milestones by Type

baby bib

baby crawl move

baby cooing laugh

toddler reach

baby toys play

baby bath

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The educational health content on What To Expect is reviewed by our medical review board and team of experts to be up-to-date and in line with the latest evidence-based medical information and accepted health guidelines, including the medically reviewed What to Expect books by Heidi Murkoff. This educational content is not medical or diagnostic advice. Use of this site is subject to our terms of use and privacy policy. © 2005-2024 Everyday Health, Inc., a Ziff Davis company.