National apportionment of MP seats in the Riksdag 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 national distribution that may arise when allocating the fixed constituency seats. There is a constraint in the system that means that only a party that has received at least four per cent of the votes in the
Riksdag to the unicameral Riksdag in 1973 only gave the Government the support of 175 members, while the opposition could mobilize an equal force of 175 members. In a number of cases a tied vote ensued, and the final decision had to be determined by lot. To avoid any reccurrence of this unstable situation, the number of seats in the Riksdag was reduced to 349, from 1976 onwards. The Riksdag performs the normal functions of a legislature in a parliamentary democracy. It enacts laws, amends the constitution and appoints a government. In most parliamentary democracies, the head of state commissions a