Hearing Development Chart

Use this chart to help evaluate your baby’s hearing development.
If you have any questions or concerns, ask an audiologist immediately.

Birth – 3 months

  • Startles or jumps when there is a sudden sound.
  • Stirs, wakes or cries when someone talks or makes a noise.
  • Recognizes your voice and quiets when you speak.

3 – 6 months

  • Turns eyes towards interesting sounds.
  • Appears to listen.
  • Turns head to search for source of a voice.
  • Awakes easily to sounds.
  • Anticipates feeding by hearing familiar sounds (rattling of bottles, pots and pans, etc.).
  • Enjoys rattles and noise-making toys.

6 – 12 months

  • Reacts to music by cooing.
  • Responds to own name.
  • Turns head towards soft sounds.
  • Looks to correct person when words “mommy” or “daddy” are said.
  • Understands “no” and “bye-bye.”
  • Begins to imitate speech sounds (babbles).

12-15 months

  • Says first words, such as “Da-Da, “Ma-Ma” or “bye-bye.”
  • Knows names of favorite toys and can point to them when asked.
  • Likes rhymes and jingles.

15-20 months

  • Can follow simple directions (“put the block in the box”).
  • Recognizes body parts when named (hair, mouth, nose, etc.).
  • Asks for wants by naming “milk,” “cookie,” etc.
  • Speaks 10-20 words.

20-24 months

  • Begins combining words such as “go bye bye car” and “juice all gone.”
  • Refers to self by name.
  • Enjoys being read to.
  • Shows interest in the sounds of radio and television.

24-36 months

  • At 24 months, speaks about 270 words with a very fast daily rate of increase in vocabulary.
  • Child wants to communicate and tell experiences.
  • Is frustrated if adults don’t understand.
  • By age 3, vocabulary equals about 1000 words, 80% of which are intelligible even to strangers.  It is common for some sounds to be mispronounced (such as “l,” “r,” and “th”).