15–18 Month Milestones
Baby milestones from 15–18 months focus on confident walking, growing curiosity, simple problem-solving, expanding vocabulary, and early independence.
Keepsies offers pre-made developmental milestone lists by age, plus the flexibility to add custom milestones that matter most to your family.
Track pre-made developmental milestones on Keepsies:
Physical & Motor Milestones
Walks steadily without supportBegins to run with a stiff or wobbly gaitClimbs onto furniture or low stepsWalks while carrying toys or objectsStacks two to three blocksScribbles with crayons or markersUses a spoon with some successHelps remove simple clothing like socks or hats
Sensory & Cognitive Milestones
Experiments with cause and effect (pushing buttons, dropping objects)Explores objects by opening, closing, and stackingRecognizes and points to familiar objectsUnderstands how simple toys workShows curiosity about how things move or fit togetherImitates everyday tasks like sweeping or wiping
Social & Emotional Milestones
Shows affection through hugs, cuddles, or kissesSeeks comfort or reassurance from caregiversMay show frustration when unable to communicate needsEnjoys playing near others (parallel play)Shows excitement when achieving something newBegins asserting independence more strongly
Communication Milestones
Says several single words (often 5–20 words)Uses gestures along with words to communicatePoints to objects they want or find interestingUnderstands simple instructions without gesturesTries to imitate new words they hearUses sounds, words, and gestures to express needs and interests
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