Speech Milestones

Age

Receptive Language

Expressive Language

0 to 6 months
  • Turns to sounds
  • Initiates sounds
  • Responds to name
  • Cooing
  • Babbling
6 to 12 months
  • Understands simple commands
  • Knows names of toys and objects
  • Imitates consonant / vowel sounds
  • Uses jargon – babbling that sounds like real speech
12 to 18 month
  • Follows two-step commands
  • Knows at least three body parts
  • Identifies objects, people and toys
  • Uses two to five words
  • Increase in jargon/babbling
18 to 24 months
  • Recognizes pictures
  • Identifies environmental sounds, (i.e. telephone, doorbell)
  • Continues to increase vocabulary
  • Asks one- to two-word questions
  • Uses 10 to 15 words
  • Sometimes repeats requests
  • Puts two words together
2 years
  • Follows two-part “related” commands
  • Answers “what” and “where” questions by gesturing or single words
  • Responds to “who” or “whose”
  • Vocabulary of 50 words
  • Combines two words
  • Uses “no” questions appropriately
3 years
  • Understands number concepts “more” and “one”
  • Remembers and retells events of yesterday
  • Vocabulary of 400 words
  • Can be reasoned with on a concrete level
4 years
  • Responds to “why” by giving reason or consequence
  • Follows two-part “unrelated” commands
  • Vocabulary of 800 words
  • Uses “how” and “why”
  • Uses past tense
5 years
  • Responds to “when” questions by
    answering with reference to time
  • Understands most conversation
  • Vocabulary of 1200+ words
  • Produces sounds correctly (sometimes the s, r & th sounds are not quite mastered at this stage)

Development of Individual Speech Sounds

Age Sounds
3 years m, n, ing, h, w, j, f, p, t, k, b, d, g, tw, kw
3 1/2 years v, s, z, sh, r, ch, l, sp, st, sk, sm, sn, sw, skw, pl, bl, gl, fl, br, tr, dr, kr, fr
4 1/2 years th – as in the and thin