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
First Parliament of the United Kingdom in the Irish Parliament was vacant, then the remaining member for the constituency was automatically chosen for the Westminster Parliament. If both seats were vacant a by-election was held. Monmouthshire (1 County constituency with 2 MPs and one single member Borough constituency) is included in Wales in these tables. Sources for this period may include the county in England. Table 1: Constituencies and MPs, by type and country Table 2: Number of seats per constituency, by type and country First Parliament of the United Kingdom In the first Parliament to be held after the Union of Great Britain and Ireland