Right of foreigners to vote of other supranational groupings of countries. The 1992 Maastricht Treaty imposed reciprocity inside the European Union concerning voting rights in local elections; this already existed for the European elections. In several European states, the public debate on the right of foreigners to vote was therefore renewed, as some foreign residents had the right to vote (European foreign residents) while others, non-Europeans, did not. As a result of this debate, Luxembourg, Lithuania, Slovenia and Belgium extended the right to vote, in different manners, to all foreign residents (which was already the case in Sweden, Denmark, Finland and Netherlands). The European Parliament,
Elections to the European Parliament states of the European Union elect their MEPs with a single constituency covering the entire state, using party-list proportional representation. There is however a great variety of electoral procedures: some countries use the highest averages method of proportional representation, some use the largest remainder method, some open lists and others closed. In addition, the method of calculating the quota and the election threshold vary from country to country. Countries with multiple constituencies are: Germany, Italy and Poland use a different system, whereby parties are awarded seats based on their nationwide vote as in all of the states that elect members