This site will look much better in a browser that supports web standards, but it is accessible to any browser or Internet device.

Main Navigation

Quick Links

Dept. Directory

The Department of Speech and Hearing Science

  • 901 S. Sixth St.
  • Champaign, IL 61820
  • Phone:217-333-2230
  • Fax:217-244-2235
  • MC-482

The Illinois International Stuttering Research Program

Age of Stuttering Onset

a graph illustrating the age of stuttering onset

The average age of onset of stuttering is 33 months. Onset typically occurs between 24 and 42 months of age, but sometimes begins prior to 24 months or up to age 5. The distribution of age of onset is similar for boys and girls.

Send questions and comments to:
Dr. Nicoline Ambrose
Stuttering Research Program
The Department of Speech and Hearing Science
901 S. Sixth St.
Champaign, IL 61820
Phone:217-333-2230

The Department of Speech and Hearing Science

  • 901 S. Sixth St.
  • Champaign, IL 61820
  • Phone:217-333-2230
  • Fax:217-244-2235
  • MC-482
  • Copyright ©   The Department of Speech and Hearing Science, College of Applied Health Sciences. All rights reserved.