 In 2016, 28.4 % of inhabitants aged 16 and over are bilingual, 16.4 % are passive bilingual and 51.2 % are non-Basque speakers.Today there are 751 500 bilinguals and 434 000 passive speakers.Karlos Cid Abasolo discusses that passive bilingualism would be a minimum requirement for the co-official status of Basque and Spanish to become a working reality.