
Developmental Norms for Speech and Language
This is a collective resource of norms and milestones for speech-language development. SLPs are often asked questions regarding typical age of sound acquisition and development of language.
Age-Appropriate Speech and Language Milestones
While not every child develops speech and language on the same timetable, the National Institute on Deafness and Other Communication Disorders does provide a list of age-appropriate speech and …
Speech Sound Development Chart - The Speech Guide
This speech sound development chart is a helpful visual guide to gauge how “on track” children are with developing speech in comparison to other children their same age.
The chart is hierarchical ordered by the mean age of acquisition of consonant phonemes. The 5 different colors of bars group the set of consonants by acquired mean age of acquisition.
Language and Speech Milestones
Speech Sound Development Chart: Ages, Milestones, and Examples
Dec 11, 2025 · Use this speech sound development chart to track sounds by age, see examples and red flags, and know when an evaluation could help.
Adapted from Sander (1972), Grunwell (1981), and Smit et al. (1990) Utah State Board of Education 250 East 500 South P.O. Box 144200 Salt Lake City, UT 84114-4200 Sydnee Dickson, Ed.D., State …