6 age groups
Social/Emotional Development Milestones
Track your baby's social/emotional development from birth to 24 months. See what to expect at every age.
0-3 months4 milestones
- Pays attention to faces
- Smiles at people
- Calms when spoken to or picked up
- Acts bored if activity doesn’t change
3-6 months5 milestones
- Smiles spontaneously, especially at people
- Likes to play with people; cries when play stops
- Copies some movements and facial expressions
- Knows familiar faces; may be shy with strangers
- Reaches to be picked up
6-9 months4 milestones
- Shy or nervous with strangers
- Cries when parent leaves
- Has favorite toys
- Copies gestures (like clapping)
9-12 months4 milestones
- Shy or clingy with strangers
- Has wide range of facial expressions
- Plays simple games like peek-a-boo
- Hands things to others during play
12-18 months5 milestones
- Shows affection to familiar people
- Points to show something interesting
- Plays simple pretend (feeds doll)
- May have temper tantrums
- Shows independence
18-24 months5 milestones
- Notices and copies others
- Gets excited when with other children
- Shows more independence
- Plays next to other children
- Shows defiant behavior
View all Milestones Guide
Track Milestones with Dalo Family Apps
Our apps help you track every milestone, from first smiles to first steps.
Explore Our AppsComplete guide to baby social/emotional milestones from birth to 24 months. Covers 6 age groups with specific milestones for each developmental stage.