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Prenatal Development to age 2 years
infant begin babbling and cooing at 2 months to 6 months. Between 9 and 11 months their language skills improves and they start using preverbal gestures. At 12 months toddlers will say they first word and between 12 months and 2years they should know about 200 to 250 words. -
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Age 2 to 5 (Preschool)
From age 2 to 5 children are using telegraphic speech and their language start to develop into functional sentences. -
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Age 6 to 12
Children begin to develop social language, while vocabulary expand to 50,000 words by age 12.