You can get information on the development of milestones if you are a parent or caregiver of children of the following specific ages:

  • 2 months
  • 4 months
  • 6 months
  • 9 months
  • 1 year
  • 18 months
  • 2, 3, 4, and 5 years’ old

The information includes what most babies and children do at each age for the following behaviors:

  • Social/emotional
  • Language/communication
  • Cognitive (learning, thinking, problem-solving)
  • Movement/physical development

You can also get suggestions of when to talk to your child's doctor about your child's development.

Online

Learn about the development milestones of children between 2 and 5 years old.

By Phone

Call 311 or 212-NEW-YORK (212-639-9675) for help.