Developmental Milestones by Domain
Age Gross Motor Fine Motor Language Social
1 month Moves limbs, lifts head Fists closed Cries Regards face
2 months Head steady when held Holds rattle briefly Coos, responds to sound Social smile
3 months Partial head control Hand to mouth Vocalizes Recognizes mother
4 months Rolls over Reaches for objects Laughs aloud Smiles at mirror
6 months Sits with support Transfers objects Babbles Stranger anxiety begins
9 months Crawls, pulls to stand Immature pincer grasp Mama/Dada (non-specific) Peek-a-boo
12 months Walks alone Mature pincer grasp 1-2 words (specific) Waves bye-bye
15 months Runs 2-block tower 4-6 words Shows affection
18 months Climbs stairs with help Feeds self with spoon 10+ words, points to body parts Parallel play
2 years Kicks ball, runs well 6-block tower 2-3 word phrases Follows commands
3 years Rides tricycle Copies circle 3-5 word sentences Knows gender
4 years Hops on one foot Draws cross, buttons Tells stories Group play
5 years Skips, balances well Draws triangle, ties lace Fluent speech Follows rules
Age Gross Motor Fine Motor Language Social
1 month Moves limbs, lifts head Fists closed Cries Regards face
2 months Head steady when held Holds rattle briefly Coos, responds to sound Social smile
3 months Partial head control Hand to mouth Vocalizes Recognizes mother
4 months Rolls over Reaches for objects Laughs aloud Smiles at mirror
6 months Sits with support Transfers objects Babbles Stranger anxiety begins
9 months Crawls, pulls to stand Immature pincer grasp Mama/Dada (non-specific) Peek-a-boo
12 months Walks alone Mature pincer grasp 1-2 words (specific) Waves bye-bye
15 months Runs 2-block tower 4-6 words Shows affection
18 months Climbs stairs with help Feeds self with spoon 10+ words, points to body parts Parallel play
2 years Kicks ball, runs well 6-block tower 2-3 word phrases Follows commands
3 years Rides tricycle Copies circle 3-5 word sentences Knows gender
4 years Hops on one foot Draws cross, buttons Tells stories Group play
5 years Skips, balances well Draws triangle, ties lace Fluent speech Follows rules