Disability in NamibiaAccording to the Namibia Statistics Agency based on the 2016 Inter-censal Demographic Survey, 5% of Namibia's population has varying degrees of disability.HistoryNamibia signed the Convention on the Rights of Persons with Disabilities on 25 April 2007 and ratified it on 14 December 2007. It went into effect on 3 May 2008.CategoriesAs of 2001, among all people with disabilities, 35% have a visual impairment, 27% have a mobility impairment which involve hands and legs, 21% have a hearing impairment, 11% have a speech impairment and 5% have a mental impairment.