Halland County (Swedish: Hallands Län) is one of the 29 multi-member constituencies of the Riksdag, the national legislature of Sweden. The constituency was established in 1970 when the Riksdag changed from a bicameral legislature to a unicameral legislature. It is conterminous with the county of Halland. The constituency currently elects 10 of the 349 members of the Riksdag using the open party-list proportional representation electoral system. At the 2022 general election it had 258,794 registered electors.
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