In this paper, we propose a multistep algorithmic method that enables us to determine the seat allocation for the European Parliament on a permanent basis applicable across various scenarios, including different numbers of Member States and their population sizes. According to the Lisbon Treaty, the allocation of seats must take into account a number of constraints regarding the minimum and maximum number of seats allocated to each Member State, the maximum size of the European Parliament, and degressive proportionality. Source : © European Union, 2025 - EP Read more