Joaquín Bautista Valhondo
This study analyzes the representation of European Union citizens in the European Parliament during its 10th legislature (2024-2029). The analysis takes into account the official population census of 2025 and European Council Decision (EU) 2023/2061. Seven seat allocation methods (Hamilton, Adams, Dean, Hill, Webster, Jefferson, and Belga) are applied among the 27 EU-27 Member States. The seat allocations proposed by these methods are compared with the current allocation resulting from the application of the European Electoral System. The quality of the equitable distribution of power among the Member States is measured using 15 territorial representativeness metrics.