Epidemiological surveys, in the US and the UK converge in estimating the prevalence of<unk>  in five-year-olds at around 7%. Therefore, the prevalence is somewhat about one in every 15 children. By these statistics, in a classroom of 30 students, 2 would have<unk> . In research by Tomblin et al. prevalence of<unk>  in racial/ethnic groups was highest in Native Americans, with African Americans being the next highest, followed by Hispanics, and then Whites. No students of Asian descent presented with<unk> ; however, other research does indicate that<unk>  is present in children of Asian descent).
Developmental language disorder
Expressive language disorder
Developmental disability
Pervasive developmental disorder
Multiple complex developmental disorder
Nonverbal autism
Low-functioning autism
Mixed receptive-expressive language disorder