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Partial researchResearch snapshot 2026-09-13. Evidence gaps remain; see Coverage for requirements.

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Office briefing

Tunuyán — Municipal council

Tracked current office. Identifiers stay separate from display names.

Argentina · Tunuyán / Mendoza · municipal · Municipal councilAR-MZ-12-C

Read the complete original research briefing

Upcoming ordinary cohort provisionally registered. Councils and both provincial chambers renew partially; 2025 and the six February 2026 council ballots must precede the 2023 history. Current government and any later special calls require checking.

1. What office, where, and when is the next election?

Geography
Tunuyán / Mendoza
Next election
2027; formal call pending
Linked upcoming event
next-0e918863a9c6146b60319917
Registry qualification
Unknown

2. How certain is that date?

2027; formal call pending is expected (not formally called). Year precision. A date without a formal call is not confirmed.

3. Who won earlier selected elections?

2025-10-26

unknown · Legal certification not established · list votes

  • La Libertad Avanza + Cambia Mendoza46.3%
  • Fuerza Justicialista Mendoza30.5%
  • Alianza Provincias Unidas - Defendamos Mendoza6.4%
  • Frente Verde4.7%
  • Partido de los Jubilados4.0%
  • Frente Libertario Demócrata3.5%
  • Protectora Fuerza Política3.0%
  • Frente de Izquierda y de los Trabajadores - Unidad1.6%
Results for event-8fc37044848da31c50ea3e95
Label / candidateParty codeVotesShareSeatsStatus
La Libertad Avanza + Cambia Mendoza505argentina/S02b9366788e9/202512,72546.3%UnknownRecorded
Fuerza Justicialista Mendoza501argentina/S02b9366788e9/20258,38830.5%UnknownRecorded
Alianza Provincias Unidas - Defendamos Mendoza503argentina/S02b9366788e9/20251,7536.4%UnknownRecorded
Frente Verde502argentina/S02b9366788e9/20251,3014.7%UnknownRecorded
Partido de los Jubilados322argentina/S02b9366788e9/20251,0924%UnknownRecorded
Frente Libertario Demócrata506argentina/S02b9366788e9/20259753.5%UnknownRecorded
Protectora Fuerza Política222argentina/S02b9366788e9/20258253%UnknownRecorded
Frente de Izquierda y de los Trabajadores - Unidad504argentina/S02b9366788e9/20254331.6%UnknownRecorded

2023-09-03

unknown · Legal certification not established · list votes

  • ELEGÍ GESTIÓN TUNUYÁN56.6%
  • CAMBIA MENDOZA43.4%
Results for event-be67d839bb63628a7313f819
Label / candidateParty codeVotesShareSeatsStatus
ELEGÍ GESTIÓN TUNUYÁN506argentina/Sf43cfb283cd8/202314,31956.6%UnknownRecorded
CAMBIA MENDOZA501argentina/Sf43cfb283cd8/202310,98043.4%UnknownRecorded

2021-11-14

unknown · Legal certification not established · list votes

  • FRENTE DE TODOS41.2%
  • CAMBIA MENDOZA36.3%
  • PARTIDO VERDE9.2%
  • PARTIDO DE LOS JUBILADOS6.9%
  • VAMOS ! MENDOCINOS3.9%
  • COMPROMISO FEDERAL2.6%
Results for event-9a314deb2d91dfe88fef0a04
Label / candidateParty codeVotesShareSeatsStatus
FRENTE DE TODOS502argentina/Sa5033a078517/202111,91241.2%UnknownRecorded
CAMBIA MENDOZA503argentina/Sa5033a078517/202110,49836.3%UnknownRecorded
PARTIDO VERDE181argentina/Sa5033a078517/20212,6649.2%UnknownRecorded
PARTIDO DE LOS JUBILADOS322argentina/Sa5033a078517/20211,9996.9%UnknownRecorded
VAMOS ! MENDOCINOS504argentina/Sa5033a078517/20211,1253.9%UnknownRecorded
COMPROMISO FEDERAL82argentina/Sa5033a078517/20217452.6%UnknownRecorded

Other events (not selected cycles)

  • 2015-06-21 · unknown · Legal certification not established
  • 2019-09-01 · unknown · Legal certification not established

4. Competition and volatility

competition index

Provisional imported-series CI

30.430–100 historical closeness

Actual-event and/or comparability review incomplete

Comparison status: Provisional imported-series comparison; actual-event review open

Method ci.weighted-gap.v1. Inputs: latest_gap=15.775498326785979, oldest_gap=4.885464533738727, previous_gap=13.198150124510846

pedersen volatility

Withheld volatility

Unknownpercentage points

Grouped Pedersen lower bound (percentage points). Nine exact standalone party-name categories in the archived returns; accents normalized. Provincial alliances and renamed coalitions remain Other. A category records its published name, not a verified legal succession or inferred allocation of alliance votes. An interval is withheld if either election has no list mapped to an explicit named group. This is aggregate share change, not individual voter switching. Event review: Actual-event and/or comparability review incomplete

Comparison status: Latest interval · Comparable grouped vectors unavailable for this interval

Method pedersen.grouped.v1. Inputs: groups=["PARTIDO JUSTICIALISTA","UNION CIVICA RADICAL","PARTIDO SOCIALISTA","PRO - PROPUESTA REPUBLICANA","COALICION CIVICA - AFIRMACION PARA UNA REPUBLICA IGUALITARIA","GEN","PARTIDO OBRERO","PARTIDO DE LOS TRABAJADORES SOCIALISTAS","MOVIMIENTO SOCIALISTA DE LOS TRABAJADORES","Other"], interval=Latest interval, vectors=[null,null,null]

pedersen volatility

Withheld volatility

Unknownpercentage points

Grouped Pedersen lower bound (percentage points). Nine exact standalone party-name categories in the archived returns; accents normalized. Provincial alliances and renamed coalitions remain Other. A category records its published name, not a verified legal succession or inferred allocation of alliance votes. An interval is withheld if either election has no list mapped to an explicit named group. This is aggregate share change, not individual voter switching. Event review: Actual-event and/or comparability review incomplete

Comparison status: Previous interval · Comparable grouped vectors unavailable for this interval

Method pedersen.grouped.v1. Inputs: groups=["PARTIDO JUSTICIALISTA","UNION CIVICA RADICAL","PARTIDO SOCIALISTA","PRO - PROPUESTA REPUBLICANA","COALICION CIVICA - AFIRMACION PARA UNA REPUBLICA IGUALITARIA","GEN","PARTIDO OBRERO","PARTIDO DE LOS TRABAJADORES SOCIALISTAS","MOVIMIENTO SOCIALISTA DE LOS TRABAJADORES","Other"], interval=Previous interval, vectors=[null,null,null]

pedersen volatility

Withheld volatility

Unknownpercentage points

Grouped Pedersen lower bound (percentage points). Nine exact standalone party-name categories in the archived returns; accents normalized. Provincial alliances and renamed coalitions remain Other. A category records its published name, not a verified legal succession or inferred allocation of alliance votes. An interval is withheld if either election has no list mapped to an explicit named group. This is aggregate share change, not individual voter switching. Event review: Actual-event and/or comparability review incomplete

Comparison status: Both intervals mean · Comparable grouped vectors unavailable for this interval

Method pedersen.grouped.v1. Inputs: groups=["PARTIDO JUSTICIALISTA","UNION CIVICA RADICAL","PARTIDO SOCIALISTA","PRO - PROPUESTA REPUBLICANA","COALICION CIVICA - AFIRMACION PARA UNA REPUBLICA IGUALITARIA","GEN","PARTIDO OBRERO","PARTIDO DE LOS TRABAJADORES SOCIALISTAS","MOVIMIENTO SOCIALISTA DE LOS TRABAJADORES","Other"], interval=Both intervals mean, vectors=[null,null,null]

Source-reported control: Unverified. Current tenure requires separate dated evidence.

5. Officeholder evidence

Dated roster observations are not automatically current tenure. The source current-office flag means this office is tracked now, not that the last winner still holds it.

No officeholder observation supplied.

6. Polling context

No local poll supplied.

National context is listed on the polling page. It is not a local forecast.

7. Unresolved issues and sources

Upcoming ordinary cohort provisionally registered. Councils and both provincial chambers renew partially; 2025 and the six February 2026 council ballots must precede the 2023 history. Current government and any later special calls require checking. Missing older local results in several provincial datasets, full seat proclamations, intervened/replacement contests and dated coalition control. Many municipalities vote separately from provincial election day. Final 2027 calls remain subject to official publication. Ten Catamarca 2023 local returns now have primary provisional counts; final certification and older cycles are still missing. DINE 2015 download has no Catamarca local records. Entre Ríos final national consultation warns that foreign-voter tables are excluded. Neuquén final-file links returned access-denied responses; several older links point to private or defunct hosts.

  • other · open

    2019 locality result empty: {"issue": "2019 locality result empty", "name": "Distrito Tala-Sarandí", "code": "0079C"}

  • other · open

    Earlier same-election publication superseded: {"id": "AR-TU-D-OESTE", "year": 2019, "issue": "Earlier same-election publication superseded", "selected_publication": "2019-07-02", "discarded_publications": ["2019-06-15"]}

  • other · open

    Archive navigation year differs from date printed in source: {"file": "ar_formosa_2017_archivo_542.pdf", "issue": "Archive navigation year differs from date printed in source", "navigation_year": 2017, "source_date": "2019-06-16"}

Sources

Cite this record

Center for Digital Democracy. “Tunuyán — Municipal council.” Subnational Election Observatory, releaselatin-america-fe5e91689def, snapshot 2026-09-13. /electiondatabase/offices/AR-MZ-12-C. Sources: argentina--url-9cab301e6eb0069192e4e451, argentina--url-0189eeafcda3d796e0ab1ab0, argentina--url-cf2e5c310463692a0136761a, argentina--url-87681605f64f250f68ba8426, argentina--url-9851297acfcb55ccf623f9ad, argentina--url-b1e6536c2cbee3c9bc7e5a9e, argentina--S02b9366788e9, argentina--Sf43cfb283cd8, argentina--Sa5033a078517, argentina--Sd98dce1f0214, argentina--Sbac7b59179aa.