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).

AgeSoundExamples
Initial word PositionMiddle word PositionFinal word position
2 yearsm

n

h

mine

no

hair

hammer

honey

arm

man

2 ½ yearsp

b

ng

w

d

g

pear

big

 

walk

dog

go

happy

baby

finger

flower

ladder

tiger

cup

club

ring

 

mud

egg

3 yearsy

k

t

yes

car

tire

yoyo

pocket

water

boy

look

cat

3 years 6 monthsffun

 

waferpuff
4 yearsl

ch

sh

lizard

chair

ship

yellow

kitchen

pushing

ball

catch

fish

4 years 6 monthsj

s

zh

z

jump

soap

 

zebra

soldier

racing

measure

scissors

bridge

grass

beige

nose

5 yearsrrabbitorange
6 yearsvvansevenstove
8  yearsth (voiced)thisbrotherwith
8 years 6 monthsth (voiceless)thumbnothingmouth

 

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).