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.

Keep this speech sound acquisition chart on hand to determine if your child or client is acquiring speech sounds appropriately. Click on the image below to download the speech sound development chart PDF.

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.

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.

There is a typical progression of development of speech sounds in the English language. All sounds have a range of mastery and may develop before the given age. The chart below shows the sounds …

If you’re looking for a speech sound development chart to help you determine where to start with your speech articulation goals, it’s right here! The chart has been updated with the results from McLeod & …

The following chart shows acquisition of speech sounds based on the ages when 90% of English speaking children produce single sounds at the word level. The standard deviation for the Crowe and …