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.
Introduction. Down's syndrome, also known as Down syndrome, is a genetic condition that typically causes some level of learning disability and characteristic physical features. Around 775 babies are born with the condition each year in England and Wales.ntroduction. Down's syndrome, also known as Down syndrome, is a genetic condition that typically causes some level of learning disability and characteristic physical features. Around 775 babies are born with the condition each year in England and Wales.