← Pressure groups and political associationsForms of political associationFind a topicSearchPressure groups seek policy influence rather than governmental officeInterest-group and pressure-group terminology can overlapPressure groups can maintain links with political partiesCivil-society organisations can also act as pressure groupsInstitutional interests can be articulated from within established organisationsAssociational groups organise explicitly around shared interestsInformal social ties can support collective political demandsSpontaneous mobilisation can arise without a durable organisation