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When do babies clap?

The CDC's milestone checklist lists “Plays games with you, like pat-a-cake” by 1 year, and “Claps when excited” by 15 months. Most children (75% or more) do these by those ages, and many clap sooner. If your child isn't playing games like pat-a-cake by 1 year, talk with your pediatrician.

Checked October 29, 2026.

What the CDC's checklists say

Milestones from the CDC's “Learn the Signs. Act Early.” checklists, word for word
ByThe CDC's milestoneMonth page
1 yearPlays games with you, like pat-a-cakeYour baby at 12 months
15 monthsClaps when excitedYour toddler at 15 months

Each row is from the CDC's checklist for that age (1 year, 15 months), checked October 29, 2026.

What “by 1 year” means

Developmental milestones are things most children (75% or more) can do by a certain age. The CDC puts each milestone at the age by which at least 75% of children would be expected to do it, so that even one missing milestone leads to a conversation with the doctor instead of “wait and see”. So “by 1 year” isn't an average. Many children do it sooner, and the checklists don't list everything a child learns.

What it can look like

Hands coming together during pat-a-cake, then clapping on their own when something good happens.

What helps

  • Sing pat-a-cake and gently clap your baby's hands together.
  • Clap and cheer for small wins: a tower, a ball in the basket.
  • Stop in the middle of a clapping song and wait for your baby to start it again.

Talk to your pediatrician if…

Your baby isn't doing this by 1 year, the age on the CDC's list, has lost a skill they once had, or you're worried for any reason.

You know your child best. Don't wait. If your child is not meeting one or more milestones, has lost skills he or she once had, or you have other concerns, act early. Talk with your child's doctor, share your concerns, and ask about developmental screening.

If you or the doctor are still concerned, the CDC says to ask for a referral to a specialist, and to call your state's early intervention program (find the number on the CDC's list). You do not need to wait for a doctor's referral or a medical diagnosis to make this call. If your child is younger than 3 years old, contact your local early intervention system.

More from the CDC: Concerned about your child's development? If your child seems unwell, call your pediatrician, or 911 in an emergency.

Sources