The readmission agreement provides that all migrants arriving on the Greek islands for the Turkish coast will be returned to Turkey. Under the readmission agreement, in force since April 2016, Turkey pledged to leave behind Syrian refugees arriving from their shores on the Greek islands in June 2016, in exchange for €6 billion in EU aid and the acceleration of negotiations on the abolition of EU visas for Turkish citizens in June 2016. Relationship with bilateral readmission agreements or agreements concluded by the Member States After the signing of this agreement, the number of migrants arriving on the Greek islands decreased considerably: from 150,000 people per month in the summer of 2015 and from 50,000 at the beginning of 2016, the number of people on average fell to 3,000 per month. . . .