Agree with 14:19
While there are developmental charts, there has to be a little wiggle room for childrens' individual development.

Here is some developmental information from the American Speech Language and Hearing Association:

http://www.asha.org/public/speech/development/chart.htm

Developmental pediatricians see children who have delays in some areas of development. Your best bet would be to go to Early Stages and get your child evaluated.