Estimates: Aggregation established by Kantar of available national estimates or polling data resulting from the elections and published in a given Member State after voting has finished, based on well-known and reliable national polling institutes.

Projection: The projection of the European Parliament is an estimate of its composition resulting from the elections, established by Kantar as an aggregation of available election results, estimates or polling data published in the Member States after voting has finished. Without prejudice to the composition of the newly elected Parliament, the projection is based on the structure of the outgoing Parliament.

Provisional: Composition of the European Parliament based on available provisional or final national results published after voting has finished in all Member States, based on the structure of the outgoing Parliament.

Provisional results: First results as presented by the Member State’s official election authority on the basis of a percentage of votes counted.

Final results: Results as published by the Member State’s official election authority after all of the votes have been counted.

Official results: Definitive results as proclaimed by the Member State’s official election authority and validated by the national legislative authority.

Constitutive session: Results as officially announced by the newly-elected European Parliament after verification of its Members’ eligibility criteria.