Free Milestone Checklist: Birth to Age 5
0 to 6 Months
Physical
Holds head up steadily without support
Brings hands to mouth
Rolls from tummy to back
Pushes up on arms during tummy time
Language & Communication
Coos and makes vowel sounds
Turns toward sounds and voices
Smiles in response to your smile
Social & Emotional
Makes eye contact during feeding and play
Begins to self-soothe briefly
6 to 12 Months
Physical
Sits without support
Crawls or scoots
Pulls to stand
Uses a pincer grasp to pick up small objects
Language & Communication
Babbles with consonant sounds ("bababa," "dadada")
Responds to their own name
Waves bye-bye
May say first word (mama, dada, or similar)
Social & Emotional
Shows stranger awareness
Plays peekaboo
12 to 18 Months
Physical
Walks independently
Drinks from an open cup with help
Stacks two blocks
Language & Communication
Says 3 to 5 words beyond mama/dada
Points to show you things, not just to request
Follows one-step directions ("give me the ball")
Social & Emotional
Shows affection to familiar people
Explores independently with you nearby
18 to 24 Months
Physical
Runs
Walks up steps holding a rail or hand
Scribbles with a crayon
Language & Communication
Has a vocabulary of 20 or more words
Begins combining two words ("more milk," "go outside")
Names familiar objects and people in pictures
Social & Emotional
Shows defiance and testing of limits (normal, not a red flag)
Engages in simple pretend play
2 to 3 Years
Physical
Jumps with both feet
Climbs confidently
Begins showing interest in potty training readiness signs
Language & Communication
Has a vocabulary of 200+ words
Uses short sentences (3+ words)
Mostly understandable to familiar adults
Social & Emotional
Begins parallel play alongside other children
Names basic emotions (happy, sad, mad)
3 to 5 Years
Physical
Pedals a tricycle
Hops and balances briefly on one foot
Draws simple shapes and eventually people
Language & Communication
Speaks in full sentences, mostly clear to strangers
Asks and answers "why" and "how" questions
Tells simple stories with a beginning and end
Social & Emotional
Engages in cooperative play with other children
Shows early self-regulation, calming down with support