audiology and hearing health professionals in nigeria 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 countrygni $int ppppop. (000s)audsauds/mil. pop.entsents/mil. pop.aud physaud techh/a techslttod nigeria1050124009n/an/a60015015n/a150 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