Parenting Counts is a product of Talaris Institute.

Communication

Understands Most Of What Adults Say (30-36 Months)

By age 3, children can generally understand most sentences and most of what adults say.

References:

Shelov, S. P. (Editor-in-Chief). (2004). Caring for Your Baby and Young Child: Birth to Age 5. The American Association of Pediatrics. Revised edition. New York: Bantam Books.