Political party
Catch-all parties

The term "catch-all party" was developed by German-American political scientist Otto Kirchheimer to describe the parties that developed in the 1950s and 1960s as a result of changes within the mass parties. The term "big tent party" may be used interchangeably. Kirchheimer characterized the shift from the traditional mass parties to catch-all parties as a set of developments including the "drastic reduction of the party's ideological baggage" and the "downgrading of the role of the individual party member". By broadening their central ideologies into more open-ended ones, catch-all parties seek to secure the support of a wider section of the population. Further, the role of members is reduced as catch-all parties are financed in part by the state or by donations. In Europe, the shift of Christian Democratic parties that were organized around religion into broader centre-right parties epitomizes this type.
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