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

Office briefing

TARANDACUAO — Municipal government

Tracked current office. Identifiers stay separate from display names.

Mexico · TARANDACUAO / GUANAJUATO · municipal · Municipal governmentMX-M-11-38

Read the complete original research briefing

INE result distributions kept separate. Certified seats, supplementary elections, coalition and boundary audit remain.

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

Geography
TARANDACUAO / GUANAJUATO
Next election
2027-06-06
Linked upcoming event
next-7990251146a8395f5b0ee300
Registry qualification
Unknown

2. How certain is that date?

2027-06-06 is expected (not formally called). Day precision. A date without a formal call is not confirmed.

3. Who won earlier selected elections?

2024

Special · Legal certification not established · candidate marks

  • PAN36.8%
  • PRI33.3%
  • MORENA18.2%
  • PVEM5.1%
  • PT1.9%
  • MC1.0%
Results for event-9eb62a5e375a0ef008dd7f20
Label / candidateParty codeVotesShareSeatsStatus
PANmexico/S56f54c8738/20242,32236.8%UnknownRecorded
PRImexico/S56f54c8738/20242,10233.3%UnknownRecorded
MORENAmexico/S56f54c8738/20241,14518.2%UnknownRecorded
PVEMmexico/S56f54c8738/20243205.1%UnknownRecorded
PTmexico/S56f54c8738/20241191.9%UnknownRecorded
MCmexico/S56f54c8738/2024611%UnknownRecorded

2021

Special · Legal certification not established · candidate marks

  • PRI_PRD38.6%
  • PAN37.0%
  • MORENA11.8%
  • PVEM6.9%
  • MC2.6%
Results for event-5b1bb765f39672ab45c1f4dc
Label / candidateParty codeVotesShareSeatsStatus
PRI_PRDmexico/Se4a1da158f/20212,05938.6%UnknownRecorded
PANmexico/Se4a1da158f/20211,97237%UnknownRecorded
MORENAmexico/Se4a1da158f/202162911.8%UnknownRecorded
PVEMmexico/Se4a1da158f/20213696.9%UnknownRecorded
MCmexico/Se4a1da158f/20211392.6%UnknownRecorded

2018

Special · Legal certification not established · candidate marks

  • PAN35.8%
  • PRI24.7%
  • PVEM20.9%
  • PANAL7.5%
  • MC6.6%
  • MORENA_PT_ES0.1%
Results for event-6de848058a537c6ec978a448
Label / candidateParty codeVotesShareSeatsStatus
PANmexico/S86d7ca9319/20181,96835.8%UnknownRecorded
PRImexico/S86d7ca9319/20181,36024.7%UnknownRecorded
PVEMmexico/S86d7ca9319/20181,14920.9%UnknownRecorded
PANALmexico/S86d7ca9319/20184127.5%UnknownRecorded
MCmexico/S86d7ca9319/20183636.6%UnknownRecorded
MORENA_PT_ESmexico/S86d7ca9319/201880.1%UnknownRecorded

4. Competition and volatility

competition index

Provisional imported-series CI

80.820–100 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=3.624979403526119, oldest_gap=11.55893536121673, previous_gap=1.6834365325077414

pedersen volatility

Provisional volatility

43.39percentage points

Grouped Pedersen lower bound (percentage points). Seven exact standalone INE party labels. Joint coalition combinations, independents and other parties remain Other, without allocating coalition votes. This coarse grouped comparison can conceal coalition-member shifts and requires the stated geographic/event review. 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

Method pedersen.grouped.v1. Inputs: groups=["PAN","PRI","PRD","PT","PVEM","MC","MORENA","Other"], interval=Latest interval, vectors=[[38.260009886307465,34.635030482781346,0,1.9607843137254901,5.272697314219806,1.0051079255231505,18.866370077442742,0],[38.1578947368421,0,0,0,7.140092879256966,2.6896284829721364,12.171052631578947,39.841331269349844],[37.41444866920152,25.85551330798479,0,0,21.844106463878326,6.901140684410646,0,7.984790874524715]]

pedersen volatility

Provisional volatility

44.77percentage points

Grouped Pedersen lower bound (percentage points). Seven exact standalone INE party labels. Joint coalition combinations, independents and other parties remain Other, without allocating coalition votes. This coarse grouped comparison can conceal coalition-member shifts and requires the stated geographic/event review. 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

Method pedersen.grouped.v1. Inputs: groups=["PAN","PRI","PRD","PT","PVEM","MC","MORENA","Other"], interval=Previous interval, vectors=[[38.260009886307465,34.635030482781346,0,1.9607843137254901,5.272697314219806,1.0051079255231505,18.866370077442742,0],[38.1578947368421,0,0,0,7.140092879256966,2.6896284829721364,12.171052631578947,39.841331269349844],[37.41444866920152,25.85551330798479,0,0,21.844106463878326,6.901140684410646,0,7.984790874524715]]

pedersen volatility

Provisional volatility

44.08percentage points

Grouped Pedersen lower bound (percentage points). Seven exact standalone INE party labels. Joint coalition combinations, independents and other parties remain Other, without allocating coalition votes. This coarse grouped comparison can conceal coalition-member shifts and requires the stated geographic/event review. 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

Method pedersen.grouped.v1. Inputs: groups=["PAN","PRI","PRD","PT","PVEM","MC","MORENA","Other"], interval=Both intervals mean, vectors=[[38.260009886307465,34.635030482781346,0,1.9607843137254901,5.272697314219806,1.0051079255231505,18.866370077442742,0],[38.1578947368421,0,0,0,7.140092879256966,2.6896284829721364,12.171052631578947,39.841331269349844],[37.41444866920152,25.85551330798479,0,0,21.844106463878326,6.901140684410646,0,7.984790874524715]]

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.

7. Unresolved issues and sources

No open research issues attached to this office.

Sources

Cite this record

Center for Digital Democracy. “TARANDACUAO — Municipal government.” Subnational Election Observatory, releaselatin-america-fe5e91689def, snapshot 2026-09-13. /electiondatabase/offices/MX-M-11-38. Sources: mexico--url-3635e08ffbefd711526cbeea, mexico--S56f54c8738, mexico--Se4a1da158f, mexico--S86d7ca9319.