„Nearly nine in ten (88 %) agree that offering or improving language courses for immigrants on their arrival would support the integration process […]. Nearly as many (85 %) think that the introduction or improvement of integration programmes for immigrants upon their arrival in the host country would improve the prospects of integration […] More than eight in ten (84 %) agree that making integration programmes and language courses mandatory for immigrants would improve their prospects of integration.“
EU-Kommission (Hrsg.), Integration of immigrants in the European Union (2018), S. 113.