 Mushure mekunge mubatanidzwa unotsigira rusununguko wakaumbwa neJunts pel Sí mubatanidzwa uye Popular Unity Candidacy yakahwina huwandu hwakawanda muParamende musarudzo dzematunhu dza2015, Carles Puigdemont akatsiva Mas seMutungamiri weGeneralitat. Puigdemont akavimbisa kuronga referendamu yekusununguka yakavakirwa pamhedzisiro kubva kumibvunzo yakawanda, isingasungirwi kuvhota muna 2014, apo vanenge 80 yeavo vakavhota vaifungidzirwa kuti vakatsigira rusununguko rwenyika yacho, uye kusvika ku91.8 vakatsigira kuti Catalonia ive nyika - kunyange zvazvo pahuwandu hunofungidzirwa huri pedyo kana pasi pe40. Hurumende yeCatalonia yakashandisa kodzero yevanhu yokuzvisarudzira uye mamiriro ezvematongerwe enyika, ezvoupfumi uye ezvetsika dzeCatalonia kutsigira chikumbiro chayo chekuita referendamu pamusoro pekuzvimiririra kweCatalonia. Hurumende yeSpain, zvino naMariano Rajoy saMutungamiriri weHurumende, yakaramba kuvhota kwakadaro, ichitaura kuti chero referendamu pamusoro pokuzvimiririra kweCatalonia yaizopesana neBumbiro reMutemo renyika ra1978, sezvo risina kugovera kuvhota pamusoro pekuzvisarudzira. 