Audiology and hearing health professionals in Nigeria

Hearing healthcare professional qualifications.
Nigeria is a low income developing country located in Africa. Currently, there is a lack of information regarding audiological and hearing healthcare in Nigeria.
Current statistics.
GNI $Int PPP: Per Capita Gross National Income in international dollars; Pop. (000s): Population (000s); Auds: Total Audiologists; Auds/Mil. Pop: Audiologists per million people; ENTs: Total ENT surgeons; ENTs/Mil. Pop: ENT surgeons per million people; Aud Phys: Audiological Physicians; Aud Techs: Audiological Technicians; SLT: Speech-Language Therapists; TOD: Teachers of the Deaf"