Postojna (National Assembly constituency)

From Wikipedia, the free encyclopedia

Municipality
List
Population258,545 (2025)[1]
Electorate209,334 (2026)
Area3,918 km2 (2024)[2]
Postojna
Constituency
for the National Assembly
Outline map
Location of Postojna within Slovenia
Municipality
List
Population258,545 (2025)[1]
Electorate209,334 (2026)
Area3,918 km2 (2024)[2]
Current Constituency
Created1992
Seats11 (1992–present)
Deputies[3]
List
Electoral districts
List
  • Ajdovščina
  • Ilirska Bistrica
  • Izola
  • Koper 1
  • Koper 2
  • Nova Gorica 1
  • Nova Gorica 2
  • Piran
  • Postojna
  • Sežana
  • Tolmin

Postojna, officially known as the 2nd constituency (Slovene: 2. volilna enota), is one of the eight multi-member constituencies (electoral units) of the National Assembly, the national legislature of Slovenia. The constituency was established in 1992 following Slovenia's independence from Yugoslavia. It consists of the municipalities of Ajdovščina, Ankaran, Bovec, Brda, Divača, Hrpelje-Kozina, Ilirska Bistrica, Izola, Kanal, Kobarid, Komen, Koper, Miren-Kostanjevica, Nova Gorica, Piran, Pivka, Postojna, Renče-Vogrsko, Šempeter-Vrtojba, Sežana, Tolmin and Vipava. The constituency currently elects 11 of the 90 members of the National Assembly using the open party-list proportional representation electoral system. At the 2026 parliamentary election the constituency had 209,334 registered electors.

The 2nd constituency (Postojna) was one of the eight constituencies established by the Determination of Constituencies for the Election of Deputies to the National Assembly Act (ZDVEDZ) (Zakon o določitvi volilnih enot za volitve poslancev v državni zbor (ZDVEDZ)) passed by the Assembly of the Republic of Slovenia (Skupščina Republike Slovenije) in September 1992.[4] It consisted of the municipalities of Ajdovščina, Ilirska Bistrica, Izola, Koper, Nova Gorica, Piran, Postojna, Sežana and Tolmin.[4]

Following the re-organisation of municipalities in October 1994, parts of Ajdovščina municipality were transferred to the newly created Vipava municipality; parts of Nova Gorica municipality were transferred to the newly created municipalities of Brda, Kanal and Miren-Kostanjevica; parts of Postojna municipality were transferred to the newly created Pivka municipality; parts of Sežana municipality were transferred to the newly created municipalities of Divača, Hrpelje-Kozina and Komen; and parts of Tolmin municipality were transferred to the newly created municipalities of Bovec and Kobarid.[5][6]

In August 1998 parts of Nova Gorica municipality were transferred to the newly created Šempeter-Vrtojba municipality.[7] In June 2006 parts of Nova Gorica municipality were transferred to the newly created Renče-Vogrskoi municipality.[7] Ankaran municipality was created from parts of Koper municipality in June 2011.[8]

In February 2021 the National Assembly passed Amendments and Supplements to the Determination of Constituencies for the Election of Deputies to the National Assembly Act (ZDVEDZ-B) (Zakon o spremembah in dopolnitvah Zakona o določitvi volilnih enot za volitve poslancev v državni zbor (ZDVEDZ-B)) which defined the Postojna constituency as consisting of the municipalities of Ajdovščina, Ankaran, Bovec, Brda, Divača, Hrpelje-Kozina, Ilirska Bistrica, Izola, Kanal, Kobarid, Komen, Koper, Miren-Kostanjevica, Nova Gorica, Piran, Pivka, Postojna, Renče-Vogrsko, Šempeter-Vrtojba, Sežana, Tolmin and Vipava.[9]

Electoral system

Postojna currently elects 11 of the 90 members of the National Assembly using the open party-list proportional representation electoral system.[10][11] Each constituency is divided into 11 electoral districts (volilni okraji) in which each party stands a single candidate.[12][13] Electors vote for a candidate of their choice in their electoral district and then the votes received by each party's candidates are aggregated at the constituency level.[12]

Allocation of seats was carried out in two stages.[14] In the first stage, seats are allocated to parties at the constituency level using the Droop quota (Hare quota prior to 2006).[15][16][17] In the second stage, unallocated seats from the first stage are aggregated at the national level and allocated to parties using the D'Hondt method (any seats won by the party at the constituency level are subtracted from the party's national seats).[17][18] Though calculated nationally, national seats are allocated at the constituency level.

Since 2000, only parties that reach the 4% national threshold compete for seats at both constituency and national levels.[19][20] Prior to this there was no threshold at the constituency level but parties needed to reach 3⁄88 (c3.4%) to compete for seats at the national level.[17]

Seats won by each party in a constituency are allocated to the candidates with the highest percentage of votes.[21] As a consequence, multiple candidates may be elected from an electoral district whilst others may have no candidates elected.[12] Prior to 2000 parties had the option to have up to 50% of their national seats allocated in the order they appear on their party list (closed list).[12]

Electoral districts

Election results

References

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