Typical Speech Sound Development in Children

The following is a list of sounds the age at which 75% of Australian children produced the sounds correctly in single words (Kilminster & Laird, 1978).

Age Sound Examples
    Initial word Position Middle word Position Final word position
2 years mn  

h

mineno  

hair

hammerhoney armman
2 ½ years pb  

ng

w

d

g

pearbig  

walk

dog

go

happybaby  

finger

flower

ladder

tiger

cupclub  

ring

mud

egg

3 years yk  

t

yescar  

tire

yoyopocket  

water

boylook  

cat

3 years 6 months f fun wafer puff
4 years lch  

sh

lizardchair  

ship

yellowkitchen  

pushing

ballcatch  

fish

4 years 6 months js  

zh

z

jumpsoap  

zebra

soldierracing  

measure

scissors

bridgegrass  

beige

nose

5 years r rabbit orange  
6 years v van seven stove
8  years th (voiced) this brother with
8 years 6 months th (voiceless) thumb nothing mouth

Consonant blends (fl, gr, pl,pr,gr,gl, st etc) develop after the individual sounds are established. For example: ‘s’ blends should be correct by 4 ½ to 5 years (Grunwell, 1982).