partiernas
Partiernas is the possessive form of the plural noun partier (political parties) in Swedish. It is used to indicate ownership or association with multiple parties, for example in phrases such as partiernas program (the parties’ program), partiernas uppfattning (the parties’ view), or partiernas valplattform (the parties’ electoral platform). The form is most often encountered in political or analytical writing to discuss what belongs to or concerns the parties collectively.
In contrast to partiernas, the definite plural form partierna means “the parties” as a group without indicating
Usage notes: partiernas is normally written with a lowercase initial letter, unless it appears at the beginning