Speech Development Indicators

​1. If your child deletes the first or last sound in words (e.g. "op" for top, or "tah" for top).

2. If your child deletes the middle syllable in a word (e.g. "butfly" for butterfly)

3. If your child produces a sound that should be produced in the front of the mouth in the back, and vise versa (e.g. "kik" for kit or "pop" for cop)

4. If you child produces a noisy sound as a stop sound (e.g. "pit" for fit)

5. If your child is not understood by new people at least 50% of the time by age 2, 75% of the time by age 3, and 90-100% of the time by age 4
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6. If your child exhibits excessive drooling 

Typical Speech Development

The age the sounds are listed at is the age where 90% of children accurately produce that sound.

th (voiceless)          6 years old
th (voiced), zh, r    5 years old
v, s, z, sh, ch, j, l     4 years old
t, k, g, ng, f, y          3 years old
​p, b, d, m, n, h, w    2 years old

​Target these sounds in isolation, words, phrases, sentences, then conversation.

​McLeod, S. & Crowe, K. (2018). Children’s consonant acquisition in 27 languages: A crosslinguistic review. American Journal of Speech-Language Pathology, 27(4), 1546-1571. https://doi.org/10.1044/2018_AJSLP-17-0100