National apportionment of MP seats in the Riksdag whole country participates in the distribution of seats. However, a party that has received at least twelve per cent of the votes in a constituency participates in the distribution of the fixed constituency seats in that constituency. National apportionment of MP seats in the Riksdag The electoral system in Sweden is proportional. Of the 349 seats in the national diet, the unicameral "Riksdag", 310 are fixed constituency seats () allocated to constituencies in relation to the number of people entitled to vote in each constituency (). The remaining 39 leveling seats () are used to correct the deviations from proportional
Elections in Sweden that, normally four years. The Riksdag may be dissolved earlier by a decree of the prime minister, in which case new elections are held; however, new members will hold office only until the next ordinary election, the date of which remains the same. Thus the terms of office of the new members will be the remaining parts of the terms of the MPs in the dissolved parliament. The unicameral Riksdag has never been dissolved by decree. The last time the second chamber of the old Riksdag was dissolved in this manner was in 1958. The regional and local assemblies cannot