Sound Development Chart

There are 44 sounds in the English language, which are developed at different times.  Some sounds are harder to make than others.   The easier sounds are learned earlier than the more difficult sounds.  The chart below can be used as a general guideline for ages that most children are able to say the consonant sounds.  The left edge of each bar represents the age that children begin to master the sound, and the right edge represents when 90% of children will master the sound.  If you have any concern about your child's speech development, it's best to seek the guidance of a speech and language pathologist.

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