Developmental Milestones

3 years

Check the milestones your child has reached by their 3rd birthday.

Take this checklist with you and talk with your child's doctor at every visit about the milestones your child has reached and what to expect next.

Download checklist

What most children do by this age:

Social and Emotional

Shows affection for friends without prompting Takes turns in games Shows concern for crying friend Understands the idea of "mine" and "his" or "hers" Shows a wide range of emotions Separates easily from mom and dad Dresses and undresses self

Language/ Communication

Follows instructions with 2 or 3 steps Can name most familiar things Understands words like "in," "on," and "under"
Says first name, age, and sex
Names a friend Says words like "I," "me," "we," and "you" Talks well enough for strangers to understand most of the time Carries on a conversation using 2 to 3 sentences


(learning, thinking, problem-solving)

Physical Development

Act early by talking to your child's doctor if your child:
If You're Concerned - Act Early

Tell your child's doctor or nurse if you notice any of these signs of possible developmental delay for this age, and talk with someone in your community who is familiar with services for young children in your area, such as Early Intervention/Help Me Grow.

For more information, Call 1-800-755-4769 (GROW) or submit the referral form online.

BOLD Beginning! milestone checklists are provided by the Center for Disease Control's "Learn the signs. Act early." campaign. Materials are not a substitute for standardized, validated developmental screening tools .