2. The Commission shall adopt delegated acts in accordance with Article 87 to adjust the number of average monthly active recipients of the service in the Union referred to in paragraph 1, where the Union’s population increases or decreases at least by 5 % in relation to its population in 2020 or its population after adjustment by means of a delegated act in the year in which the latest delegated act was adopted. In such a case, it shall adjust the number so that it corresponds to 10 % of the Union’s population in the year in which it adopts the delegated act, rounded up or down to allow the number to be expressed in millions.