When Do Babies Begin to Laugh? Discover Key Developmental Milestones
Explore the joyful moment when your baby starts laughing, learn the typical timeline, and find effective ways to encourage their giggles while tracking important developmental milestones.
One of the most heartwarming milestones in your baby’s first year is their initial laugh. Typically, babies start to laugh around four months old, though every infant’s development varies.

The first year of your baby’s life is packed with unforgettable moments, from trying solid foods to taking those first wobbly steps. Each milestone marks a significant step in their growth and development.
Laughter is a beautiful form of communication, signaling that your baby is alert, curious, and happy.
Keep reading to understand when babies typically start laughing and what actions you can take if your little one hasn’t reached this milestone yet.
At What Age Do Babies Usually Start Laughing?
Most infants begin to laugh between three and four months of age. However, if your baby isn’t laughing by four months, there’s no cause for immediate concern, as every child develops at their own pace.
Four Fun Ways to Make Your Baby Laugh
Your baby’s first chuckle might come from gentle belly kisses, silly sounds, or playful bouncing. Try these engaging methods to encourage laughter:
1. Entertaining Sounds
Babies often respond to popping noises, soft kisses, squeaky voices, or lip buzzing. These unique sounds can capture their attention more effectively than everyday speech.
2. Gentle Touches
Light tickling or softly blowing on their skin introduces new sensations. Kissing their tiny hands or feet or blowing raspberries on their belly can also bring out giggles.
3. Playful Noise Makers
Household items like zippers or bells might amuse your baby. Experiment with different sounds to discover what makes them laugh.
4. Interactive Games
Classic games like peek-a-boo become particularly enjoyable between four and six months, as babies start to grasp the concept of object permanence—understanding that things exist even when out of sight.
What If Your Baby Misses This Milestone?
While laughter commonly emerges by the fourth month, some babies are naturally more serious and may laugh less frequently. This is often normal, especially if they are meeting other developmental milestones.
Focus on your baby’s overall progress rather than a single milestone. However, if multiple developmental markers are delayed, consult your pediatrician for guidance.
Key Milestones to Expect Around Four Months:
- Smiling spontaneously
- Tracking moving objects with their eyes
- Recognizing familiar faces
- Enjoying social play
- Making sounds like babbling or cooing
Consult Your Pediatrician
If you have concerns about your baby’s laughter or other developmental milestones, discuss them during your next wellness visit. Your doctor will review all milestones your baby is reaching and determine if further evaluation or intervention is needed.
Together, you can decide whether to monitor progress or pursue therapies that support your child’s development alongside peers.
Final Thoughts
Laughter is a delightful milestone that reflects your baby’s growing ability to connect and communicate. Remember, every child develops uniquely, so avoid comparisons. Celebrate each joyful moment as your baby grows and thrives.
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