Child Development Stages
2 Months To 5 Years

The information below shows the ages by which most young children develop certain abilities. It is normal for a child to do some of these things later than the ages noted here. If your child fails to do many of these at the ages given, or you have questions about his or her development, talk with your child's physician.

2 Months

  • Smiles, coos
  • Watches a person, follows with eyes

4 Months

  • Laughs out loud
  • Lifts head and chest when on stomach, grasps objects

6 Months

  • Babbles, turns to sound
  • Rolls over, supports head well when sitting

9 Months

  • Responds to name, plays peek-a-boo
  • Sits alone, crawls, pulls self up to standing

1 Year

  • Waves bye-bye, says mama or dada
  • Walks when holding on, picks up objects with thumb and first finger

18 Months

  • Says 3 words other than mama or dada, scribbles
  • Walks alone, feeds self using spoon

2 Years

  • Puts 2 words together, refers to self by name
  • Runs well, walks up stairs by self

3 Years

  • Knows age, helps button clothing, washes and dries hands
  • Throws ball overhand, rides tricycle

4 Years

  • Knows first and last name, tells a story, counts four objects
  • Balances on one foot, uses children's scissors

5 Years

  • Names 4 colors, counts 10 objects
  • Hops on 1 foot, dresses self

  • Last Editorial Review: 8/4/1999 4:30:00 AM