{
  "data": {
    "id": "luxembourg-legislative-2028",
    "country": "LU",
    "country_name": "Luxembourg",
    "date": "2028-10-08",
    "date_status": "tentative",
    "kind": "legislative",
    "conditional": null,
    "timezone": "Europe/Luxembourg",
    "status": "scheduled",
    "last_verified_at": "2026-09-25T12:00:00Z",
    "stale": false,
    "stale_reason": null,
    "provenance": {
      "from": "researcher agent 2026-09-25: loi électorale modifiée du 18 février 2003 arts. 73, 116ter, 118, 122, 134, 155-165 (Legilux consolidation of 26 Apr 2024); Constitution arts. 63, 67, 73, 88, 93 (Legilux consolidation of 1 Jul 2023); elections.public.lu 2023 unofficial results page and the four 2023 procès-verbaux de recensement général; chd.lu pages on the Chamber after the 2023 elections and its first sitting of 24 Oct 2023; gouvernement.lu 17 Nov 2023",
      "licence": "CC BY 4.0 (Election Index)"
    },
    "url": "https://electionindex.org/election/luxembourg-legislative-2028",
    "races": [
      {
        "id": "chamber",
        "key": "luxembourg-legislative-2028/chamber",
        "name": "Chamber of Deputies (Chambre des Députés / Chamber)",
        "body": "legislature-unicameral",
        "seats": 60,
        "polls_close_utc": "2028-10-08T12:00:00Z",
        "authority": {
          "id": "lu-gov",
          "name": "Government of Luxembourg (Government central results office; official elections site)",
          "name_local": "Gouvernement – Bureau centralisateur gouvernemental",
          "role": "ministry",
          "homepage": "https://elections.public.lu/fr.html",
          "results_index": "https://elections.public.lu/fr/elections-legislatives.html",
          "open_data": null
        },
        "status": "scheduled",
        "expected_stage_now": null,
        "observed": false,
        "final_observed": null,
        "final_expected": {
          "from": "2028-10-09T08:00:00Z",
          "by": "2028-10-23T21:59:59Z",
          "confidence": "precedent",
          "basis": "The official result is each of the four constituency main offices' general count (recensement général), seat allocation and public proclamation of the elected members (loi électorale arts. 155-163); no statutory deadline for it was found. The count opens the day after the election (art. 155: returns collected 'à midi'). 2023 precedent, from the four procès-verbaux on elections.public.lu/fr/elections-legislatives/2023/resultats-officiels.html (read 25 Sep 2026): Est began Mon 9 Oct 2023 at 10:00 and was signed 13 Oct; Centre closed 13 Oct; Nord sat from 17 Oct and was signed that day; Sud sat from 20 Oct 08:00 and was signed 20 Oct 2023 (day 12). The window opens at 10:00 CEST Monday 9 Oct 2028 (the 2023 Est start) and closes at the end of Monday 23 Oct 2028, CEST: day 15, three days past the 2023 Sud proclamation, and the eve of the new Chamber's statutory first sitting (24 Oct), which needs the results to verify credentials. Erring late on purpose. The PDFs' file metadata suggest they were posted around 23 Oct 2023; that is not an authority statement."
        },
        "stages": [
          {
            "stage": "election-night",
            "from": "2028-10-08T12:00:00Z",
            "by": "2028-10-09T04:00:00Z",
            "replacedAt": null,
            "confidence": "precedent",
            "citation": "Polls close at 14:00 CEST (loi électorale art. 73; postal ballots must reach the polling station before 14:00). Communes' results are published live as they come in by the government's Bureau centralisateur (art. 116ter) on elections.public.lu; they are 'résultats officieux', not the official result. Precedent: the 2023 unofficial-results page shows '739 bureaux sur 739 (100%) ont transmis les résultats complets', the last commune listed as complete at 22h57 CEST on 8 Oct 2023, about 9 h after polls closed (elections.public.lu/fr/elections-legislatives/2023/resultats.html, checked 25 Sep 2026). The window closes at 06:00 CEST Monday, about 7 h past that precedent. The official results are separate documents on a separate page (see final-result), so this page is not overwritten.",
            "source": null,
            "observedAt": null,
            "observedSource": null
          },
          {
            "stage": "final-result",
            "from": "2028-10-09T08:00:00Z",
            "by": "2028-10-23T21:59:59Z",
            "replacedAt": null,
            "confidence": "precedent",
            "citation": "The official result is each of the four constituency main offices' general count (recensement général), seat allocation and public proclamation of the elected members (loi électorale arts. 155-163); no statutory deadline for it was found. The count opens the day after the election (art. 155: returns collected 'à midi'). 2023 precedent, from the four procès-verbaux on elections.public.lu/fr/elections-legislatives/2023/resultats-officiels.html (read 25 Sep 2026): Est began Mon 9 Oct 2023 at 10:00 and was signed 13 Oct; Centre closed 13 Oct; Nord sat from 17 Oct and was signed that day; Sud sat from 20 Oct 08:00 and was signed 20 Oct 2023 (day 12). The window opens at 10:00 CEST Monday 9 Oct 2028 (the 2023 Est start) and closes at the end of Monday 23 Oct 2028, CEST: day 15, three days past the 2023 Sud proclamation, and the eve of the new Chamber's statutory first sitting (24 Oct), which needs the results to verify credentials. Erring late on purpose. The PDFs' file metadata suggest they were posted around 23 Oct 2023; that is not an authority statement.",
            "source": null,
            "observedAt": null,
            "observedSource": null
          },
          {
            "stage": "court-validation",
            "from": "2028-10-24T12:00:00Z",
            "by": "2028-10-27T21:59:59Z",
            "replacedAt": null,
            "confidence": "announced",
            "citation": "Not a court in the first instance: the Chamber alone rules on the validity of the elections (loi électorale art. 118) and 'se réunit en séance publique de plein droit le troisième mardi suivant la date des élections pour vérifier les pouvoirs de ses membres' (Constitution art. 67(1)): Tuesday 24 Oct 2028 (third Tuesday after Sunday 8 Oct: 10, 17, 24 Oct). Precedent: on 24 Oct 2023 the plenary opened at 14:30 and the credentials committee met at 14:45; 46 deputies were sworn in the same day after verification, the 14 elected members of the outgoing government having their credentials verified in committee and taking the oath later (chd.lu/en/premiere_seance_2023_2028). The opening time (14:00 CEST) is an estimate from that precedent; the window closes at the end of Friday 27 Oct 2028, CEST, to allow for verification spread over several sittings. Art. 67(3) opens an appeal to the Constitutional Court 'contre ces décisions'; whether it covers credential verification under art. 67(1) as well as loss of mandate under 67(2) is not settled here, and no such appeal is modelled.",
            "source": null,
            "observedAt": null,
            "observedSource": null
          },
          {
            "stage": "government",
            "from": "2028-10-24T12:00:00Z",
            "by": null,
            "replacedAt": null,
            "confidence": "estimate",
            "citation": "Constitution art. 88: the Grand Duke appoints the Prime Minister and the other members of the government; art. 93(1): the new government engages its responsibility on presenting its programme to the Chamber. No statutory deadline for coalition talks. ESTIMATE: the window opens with the new Chamber's first sitting on 24 Oct 2028, as the new government answers to the new Chamber; in 2023 the government was sworn in on 17 Nov 2023 (gouvernement.lu, 'Assermentation des membres du gouvernement 2023'), after that sitting. See the government block.",
            "source": null,
            "observedAt": null,
            "observedSource": null
          }
        ],
        "sources": [
          {
            "url": "https://elections.public.lu/fr/elections-legislatives.html",
            "role": "results-live",
            "kind": "other",
            "kindReason": "no election or results marker",
            "resolvable": false,
            "origin": "race",
            "note": "Official elections site (government; Service information et presse and CTIE), index of Chamber elections 1994-2023, each with an unofficial-results page and an official-results page. Not a page for this election: checked 25 Sep 2026, nothing listed for 2028 and its address is not predicted here. 2023 pattern: unofficial live results at /fr/elections-legislatives/2023/resultats.html, fed on election night by the Bureau centralisateur gouvernemental (loi électorale art. 116ter); official results at /fr/elections-legislatives/2023/resultats-officiels.html as the four constituency offices' scanned procès-verbaux de recensement général (PDF). Open data: data.public.lu dataset 'Elections législatives 2023 (résultats officiels)', published by the Service information et presse, CC BY.",
            "check": null
          },
          {
            "url": "https://data.legilux.public.lu/filestore/eli/etat/leg/loi/2003/02/18/n2/consolide/20240426/fr/pdf/eli-etat-leg-loi-2003-02-18-n2-consolide-20240426-fr-pdf.pdf",
            "role": "timetable",
            "kind": "other",
            "kindReason": "election page without a results marker",
            "resolvable": false,
            "origin": "race",
            "note": "DATE WORKING (tentative): last election Sunday 8 Oct 2023 (itself Art. 134 applied to 14 Oct 2018: 14 Oct 2023 was a Saturday, so the preceding Sunday). Same day of the month in the fifth year: 8 Oct 2028, a Sunday, so Sunday 8 Oct 2028. Not yet fixed: a règlement grand-ducal may bring it forward to Sunday 1 Oct or Sunday 24 Sep 2028 (none found on 25 Sep 2026). Snap-election risk: early elections under Constitution art. 73 would be held within three months of the decision. Polls close 14:00 CEST (DST ends 29 Oct 2028) = 12:00 UTC. Loi électorale modifiée du 18 février 2003, Legilux consolidation applicable at 26 Apr 2024 (the latest listed on the Legilux SPARQL endpoint on 25 Sep 2026; documentary value only). Art. 134: elections 'de plein droit, au cours de la cinquième année au jour qui porte le même quantième que le jour des dernières élections', moved back to the preceding Sunday if that day is not a Sunday; a règlement grand-ducal may move them to either of the two preceding Sundays; early elections under Constitution art. 73 within three months. Art. 73: voting 'de huit heures du matin à deux heures de l'après-midi'. Art. 118: 'La Chambre des députés se prononce seule sur la validité des opérations électorales'. Art. 122: new mandates start at the Chamber's public sitting 'de plein droit le troisième mardi suivant la date des élections'. Art. 155: the constituency main office collects the returns 'le lendemain de l'élection, à midi'. Art. 163: the result of the general count and the names of those elected are proclaimed publicly by the office's president. Art. 116ter: the government's Bureau centralisateur determines and publishes the unofficial results.",
            "check": null
          },
          {
            "url": "https://data.legilux.public.lu/filestore/eli/etat/leg/constitution/1868/10/17/n1/consolide/20230701/fr/pdf/eli-etat-leg-constitution-1868-10-17-n1-consolide-20230701-fr-pdf.pdf",
            "role": "timetable",
            "kind": "other",
            "kindReason": "election page without a results marker",
            "resolvable": false,
            "origin": "race",
            "note": "Constitution, Legilux consolidation at 1 Jul 2023 (revised Constitution in force that day). Art. 63: 60 deputies elected for five years in four constituencies. Art. 67(1): the Chamber 'se réunit en séance publique de plein droit le troisième mardi suivant la date des élections pour vérifier les pouvoirs de ses membres'; art. 67(3): an appeal 'contre ces décisions' lies to the Constitutional Court, as regulated by law. Art. 67(5): that sitting ends the outgoing Chamber's functions. Art. 73: early elections only after a lost confidence vote or adopted censure motion, or on the government's resignation with the Chamber's absolute-majority assent; they take place within three months. Art. 88: the Grand Duke appoints the Prime Minister and ministers. Art. 93(1): the new government engages its responsibility on presenting its programme to the Chamber.",
            "check": null
          },
          {
            "url": "https://www.chd.lu/en/node/1965",
            "role": "timetable",
            "kind": "other",
            "kindReason": "election page without a results marker",
            "resolvable": false,
            "origin": "race",
            "note": "Chamber of Deputies, 'La Chambre après les élections' (2023): first public sitting of the new Chamber on 24 Oct 2023 under Constitution art. 67; a seven-member credentials committee drawn by lot checks the regularity of the elections and each elected member's eligibility; the outgoing Chamber stays in office until that sitting.",
            "check": null
          },
          {
            "url": "https://en.wikipedia.org/wiki/Next_Luxembourg_general_election",
            "role": "see-also",
            "kind": "other",
            "kindReason": "no election or results marker",
            "resolvable": false,
            "origin": "race",
            "check": null
          },
          {
            "url": "https://elections.public.lu/fr.html",
            "role": "authority-home",
            "kind": "other",
            "kindReason": "no election or results marker",
            "resolvable": false,
            "origin": "authority",
            "check": null
          }
        ],
        "page_activity": [],
        "government": {
          "earliestUtc": "2028-10-24T12:00:00Z",
          "precedentDays": [
            45,
            52,
            40
          ],
          "note": "Days from Chamber election to the new government being sworn in: 2013 (20 Oct) Bettel I on 4 Dec 2013 (45), 2018 (14 Oct) Bettel II on 5 Dec 2018 (52), 2023 (8 Oct) Frieden on 17 Nov 2023 (40; gouvernement.lu press release of 17 Nov 2023). The 2013 and 2018 dates are from Wikipedia, not yet checked against gouvernement.lu. earliestUtc is an estimate (first sitting of the new Chamber), not a legal floor. A government market needs a deadline beyond the longest precedent."
        },
        "url": "https://electionindex.org/election/luxembourg-legislative-2028#chamber"
      }
    ]
  },
  "meta": {
    "dataset_version": "2026-09-25.d023cc13",
    "built_at": "2026-09-25T21:25:00Z",
    "generated_at": "2026-09-25T22:32:06.481Z",
    "licence": "CC BY 4.0: credit \"Election Index (electionindex.org)\" and link to https://electionindex.org",
    "docs": "https://electionindex.org/docs"
  }
}