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

Office briefing

TEPECHITLAN — Municipal government

Tracked current office. Identifiers stay separate from display names.

Mexico · TEPECHITLAN / ZACATECAS · municipal · Municipal governmentMX-M-32-45

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
TEPECHITLAN / ZACATECAS
Next election
2027-06-06
Linked upcoming event
next-2e68cbf6b3c5eeb661329b44
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

  • PT_NAZ_PES52.4%
  • PVEM_MORENA30.5%
  • PRD12.5%
  • RPZ0.5%
  • PT0.4%
  • MC0.0%
Results for event-385011aba9854e9140483249
Label / candidateParty codeVotesShareSeatsStatus
PT_NAZ_PESmexico/S2f40a8c817/20242,42452.4%UnknownRecorded
PVEM_MORENAmexico/S2f40a8c817/20241,41230.5%UnknownRecorded
PRDmexico/S2f40a8c817/202458012.5%UnknownRecorded
RPZmexico/S2f40a8c817/2024220.5%UnknownRecorded
PTmexico/S2f40a8c817/2024190.4%UnknownRecorded
MCmexico/S2f40a8c817/20240 (recorded zero)0% (recorded zero)UnknownRecorded

2021

Special · Legal certification not established · candidate marks

  • MORENA40.4%
  • PAN_PRI_PRD30.0%
  • PES23.4%
  • PANALZ1.6%
  • PT1.2%
  • PVEM1.0%
  • FAM0.2%
Results for event-9a22a700fc214bf660ba3943
Label / candidateParty codeVotesShareSeatsStatus
MORENAmexico/S5191761a8c/20211,90740.4%UnknownRecorded
PAN_PRI_PRDmexico/S5191761a8c/20211,41730%UnknownRecorded
PESmexico/S5191761a8c/20211,10623.4%UnknownRecorded
PANALZmexico/S5191761a8c/2021741.6%UnknownRecorded
PTmexico/S5191761a8c/2021571.2%UnknownRecorded
PVEMmexico/S5191761a8c/2021481%UnknownRecorded
FAMmexico/S5191761a8c/202190.2%UnknownRecorded

2018

Special · Legal certification not established · candidate marks

  • PRI38.3%
  • PT_MORENA_ES29.6%
  • PAN_PRD_MC27.4%
  • PANAL1.7%
  • PP0.7%
  • PAZ0.2%
  • PVEM0.0%
Results for event-c25cc971f705a5beac074b5b
Label / candidateParty codeVotesShareSeatsStatus
PRImexico/S84e0362897/20181,81838.3%UnknownRecorded
PT_MORENA_ESmexico/S84e0362897/20181,40329.6%UnknownRecorded
PAN_PRD_MCmexico/S84e0362897/20181,30027.4%UnknownRecorded
PANALmexico/S84e0362897/2018791.7%UnknownRecorded
PPmexico/S84e0362897/2018310.7%UnknownRecorded
PAZmexico/S84e0362897/201880.2%UnknownRecorded
PVEMmexico/S84e0362897/201810%UnknownRecorded

4. Competition and volatility

competition index

Withheld

Unknown0–100 historical closeness

Actual-event and/or comparability review incomplete

Comparison status: Comparison unavailable · INE result distributions kept separate. Certified seats, supplementary elections, coalition and boundary audit remain.

Method ci.weighted-gap.v1. Inputs: latest_gap=22.705855956921695, oldest_gap=null, previous_gap=10.610653962754437

pedersen volatility

Provisional volatility

43.14percentage 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=[[0,0,13.013237603769351,0.4262957146062374,0,0,0,86.56046668162442],[0,0,0,1.2343005630142918,1.0394110004330879,0,41.294932871372886,56.431355565179736],null]

pedersen volatility

Withheld volatility

Unknownpercentage 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 · Comparable grouped vectors unavailable for this interval

Method pedersen.grouped.v1. Inputs: groups=["PAN","PRI","PRD","PT","PVEM","MC","MORENA","Other"], interval=Previous interval, vectors=[[0,0,13.013237603769351,0.4262957146062374,0,0,0,86.56046668162442],[0,0,0,1.2343005630142918,1.0394110004330879,0,41.294932871372886,56.431355565179736],null]

pedersen volatility

Withheld volatility

Unknownpercentage 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 · Comparable grouped vectors unavailable for this interval

Method pedersen.grouped.v1. Inputs: groups=["PAN","PRI","PRD","PT","PVEM","MC","MORENA","Other"], interval=Both intervals mean, vectors=[[0,0,13.013237603769351,0.4262957146062374,0,0,0,86.56046668162442],[0,0,0,1.2343005630142918,1.0394110004330879,0,41.294932871372886,56.431355565179736],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.

7. Unresolved issues and sources

  • other · open

    Reconciliation required: {"id": "MX-M-32-45", "year": 2018, "issue": "Reconciliation required", "total_delta": 1.0, "duplicate_actor": false, "segments": 1}

Sources

Cite this record

Center for Digital Democracy. “TEPECHITLAN — Municipal government.” Subnational Election Observatory, releaselatin-america-fe5e91689def, snapshot 2026-09-13. /electiondatabase/offices/MX-M-32-45. Sources: mexico--url-3635e08ffbefd711526cbeea, mexico--S2f40a8c817, mexico--S5191761a8c, mexico--S84e0362897.