Federal parliamentary republic
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A federal parliamentary republic refers to a federation of states with a republican form of government that is, more or less, dependent upon the confidence of parliaments at both the national and sub-national levels. It is a combination of the government republic and the parliamentary republic.
Such republics usually possess a bicameral legislature at the federal level out of necessity, so as to allow for a set, often equal number of representatives of the sub-national entities to sit in the upper house; however, the government, headed by a head of government, will be depending upon the lower house of parliament for its stability or legitimacy.