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

Office briefing

HEROICA CIUDAD DE EJUTLA DE CRESPO — Municipal government

Tracked current office. Identifiers stay separate from display names.

Mexico · HEROICA CIUDAD DE EJUTLA DE CRESPO / OAXACA · municipal · Municipal governmentMX-M-20-28

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
HEROICA CIUDAD DE EJUTLA DE CRESPO / OAXACA
Next election
2027-06-06
Linked upcoming event
next-f6fa2eda76b6dccf00d634cc
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

  • MORENA58.8%
  • MC26.4%
  • PAN2.9%
  • PRI2.5%
  • NAO1.7%
  • PRD1.1%
  • MUJER1.0%
  • C_PAN_PRI_PRD0.2%
Results for event-8d1b048c6cec9ec3ea14178e
Label / candidateParty codeVotesShareSeatsStatus
MORENAmexico/S6a9667a6b2/20246,69358.8%UnknownRecorded
MCmexico/S6a9667a6b2/20243,00826.4%UnknownRecorded
PANmexico/S6a9667a6b2/20243322.9%UnknownRecorded
PRImexico/S6a9667a6b2/20242822.5%UnknownRecorded
NAOmexico/S6a9667a6b2/20241971.7%UnknownRecorded
PRDmexico/S6a9667a6b2/20241231.1%UnknownRecorded
MUJERmexico/S6a9667a6b2/20241131%UnknownRecorded
C_PAN_PRI_PRDmexico/S6a9667a6b2/2024240.2%UnknownRecorded

2021

Special · Legal certification not established · candidate marks

  • PAN_PRI_PRD43.3%
  • PVEM37.6%
  • MORENA13.0%
  • RSP0.9%
  • PES0.8%
  • PT0.6%
  • NAO0.3%
Results for event-72daf48dad0ceba4aede8ddb
Label / candidateParty codeVotesShareSeatsStatus
PAN_PRI_PRDmexico/Saacdeef295/20215,13643.3%UnknownRecorded
PVEMmexico/Saacdeef295/20214,46237.6%UnknownRecorded
MORENAmexico/Saacdeef295/20211,54113%UnknownRecorded
RSPmexico/Saacdeef295/20211010.9%UnknownRecorded
PESmexico/Saacdeef295/2021930.8%UnknownRecorded
PTmexico/Saacdeef295/2021710.6%UnknownRecorded
NAOmexico/Saacdeef295/2021310.3%UnknownRecorded

2018

Special · Legal certification not established · candidate marks

  • PAN_PRD_MC44.5%
  • PT_MORENA_ES29.2%
  • PRI_PANAL20.6%
  • PMR0.9%
  • PSD0.2%
Results for event-8b7f05cc111f2ac50dd68d09
Label / candidateParty codeVotesShareSeatsStatus
PAN_PRD_MCmexico/S04304ced10/20185,41344.5%UnknownRecorded
PT_MORENA_ESmexico/S04304ced10/20183,55029.2%UnknownRecorded
PRI_PANALmexico/S04304ced10/20182,50920.6%UnknownRecorded
PMRmexico/S04304ced10/20181120.9%UnknownRecorded
PSDmexico/S04304ced10/2018260.2%UnknownRecorded

4. Competition and volatility

competition index

Provisional imported-series CI

0 (recorded zero)0–100 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=34.209060527292976, oldest_gap=16.04651162790698, previous_gap=5.8941845212068245

pedersen volatility

Provisional volatility

83.42percentage 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=[[3.0820646119569255,2.617898254734497,1.1418492387671741,0,0,27.9242480505013,62.13330857779428,3.1006312662458226],[0,0,0,0.6209007433318758,39.02055094009619,0,13.476169654569304,46.88237866200262],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=[[3.0820646119569255,2.617898254734497,1.1418492387671741,0,0,27.9242480505013,62.13330857779428,3.1006312662458226],[0,0,0,0.6209007433318758,39.02055094009619,0,13.476169654569304,46.88237866200262],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=[[3.0820646119569255,2.617898254734497,1.1418492387671741,0,0,27.9242480505013,62.13330857779428,3.1006312662458226],[0,0,0,0.6209007433318758,39.02055094009619,0,13.476169654569304,46.88237866200262],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

No open research issues attached to this office.

Sources

Cite this record

Center for Digital Democracy. “HEROICA CIUDAD DE EJUTLA DE CRESPO — Municipal government.” Subnational Election Observatory, releaselatin-america-fe5e91689def, snapshot 2026-09-13. /electiondatabase/offices/MX-M-20-28. Sources: mexico--url-3635e08ffbefd711526cbeea, mexico--S6a9667a6b2, mexico--Saacdeef295, mexico--S04304ced10.