Whether any two groups can form a majority
Political groups in the parliament for this year.
This array includes all recognised political groups and may also
contain an NI (non-attached members) entry when applicable.
The NI entry represents MEPs not attached to any political group
and is not counted in totalGroups.
Largest group name
Largest group seat share (0–100)
Political balance: centre-right vs centre-left vs other
Total number of recognised political groups (excluding non-attached
members, i.e. the NI entry in groups when present).
Effective Number of Parliamentary Parties (Laakso-Taagepera index)