Developmental Milestones

A young girl with brown skin and curly brown hair is wearing a jean jacket and smiling at the camera while holding her hand up and waving.

The first smile. Their first step. Waving bye-bye. Even raising a hand to give a high-five. These are all part of what are called developmental milestones. Children reach milestones as they play, learn, speak, act, and move. Developmental milestones are things most children (75% or more) can do by a certain age.*

To see your child’s milestones, click on their age, listed below.

Learn More! Related articles from the First 5 Nevada Newsletter:

Learn the Signs - Act Early

These milestones are not a substitute for a standardized, validated developmental screening tool. These developmental milestones show what most children (75% or more) can do by each age. Subject matter experts selected these milestones based on available data and expert consensus. Milestones information published here is based on the information and guidance provided by the Centers for Disease Control and Prevention (CDC). What is a Developmental Milestone? (n.d.). Centers for Disease Control and Prevention

Top Stories

Babies are born ready to learn. Researchers have discovered that between the ages of 0-5 years a child’s brain completes at least 90% of its growth. Learn how children’s development during this period prepares them for school and life-long success.

The science of early brain development can inform investments in early childhood. These basic concepts, established over decades of neuroscience and behavioral research, help illustrate why child development—particularly from birth to five years—is a foundation for a prosperous and sustainable society.

Learn five ways you can support your child’s growing vocabulary for future success and happiness. Plus, find some recommendations on books to read to your child!