21.   Unlike House members, senators are elected nationwide.

22.   Another plus for the National Front is the probability that its first senator will be elected to the upper house of parliament next September.

23.   Representatives are elected locally, but senators are elected nationally.

24.   Senators are elected by a complicated preferential voting system.

25.   The government does not need to hold a majority in the upper house of parliament, the Dutch Senate, in which senators are elected by the provincial councils.