This graph shows population projections for the United States of America. The estimated population of the USA in 2050 is 398 million residents.
Down Syndrome â Speech Therapy for Children with Down syndrome have strengths and challenges in development of communication skills, including receptive (understanding) language and expressive (speaking and composing sentences) language skills and reading.
There are, however, speech and language challenges for most children with Down syndrome. Many children with Down syndrome have more difficulty with expressive language than they do with understanding speech and language, that is, receptive language skills are usually more advanced than expressive language skills.