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

Office briefing

SANTA MARIA HUATULCO — Municipal government

Tracked current office. Identifiers stay separate from display names.

Mexico · SANTA MARIA HUATULCO / OAXACA · municipal · Municipal governmentMX-M-20-414

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
SANTA MARIA HUATULCO / OAXACA
Next election
2027-06-06
Linked upcoming event
next-71251579efebdd958709960b
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

  • PVEM56.0%
  • MORENA34.6%
  • PT2.7%
  • PAN1.2%
  • PRI0.7%
  • FXMO0.6%
  • MUJER0.4%
  • NAO0.4%
  • C_MORENA_NAO_FXMO_10.3%
  • PRD0.2%
  • C_PAN_PRI_PRD0.1%
Results for event-29314d0445e107c9541cc2bc
Label / candidateParty codeVotesShareSeatsStatus
PVEMmexico/Sfc71292ce8/202414,07056%UnknownRecorded
MORENAmexico/Sfc71292ce8/20248,69734.6%UnknownRecorded
PTmexico/Sfc71292ce8/20246862.7%UnknownRecorded
PANmexico/Sfc71292ce8/20242961.2%UnknownRecorded
PRImexico/Sfc71292ce8/20241730.7%UnknownRecorded
FXMOmexico/Sfc71292ce8/20241520.6%UnknownRecorded
MUJERmexico/Sfc71292ce8/20241020.4%UnknownRecorded
NAOmexico/Sfc71292ce8/20241010.4%UnknownRecorded
C_MORENA_NAO_FXMO_1mexico/Sfc71292ce8/2024730.3%UnknownRecorded
PRDmexico/Sfc71292ce8/2024510.2%UnknownRecorded
C_PAN_PRI_PRDmexico/Sfc71292ce8/2024320.1%UnknownRecorded

2021

Special · Legal certification not established · candidate marks

  • MORENA35.3%
  • PAN_PRI_PRD_NAO34.2%
  • FXM17.0%
  • PUP2.9%
  • CAND_IND232.8%
  • PT_PVEM2.7%
  • RSP0.8%
  • MC0.8%
  • PES0.8%
Results for event-c953d7d2ea486d377c7dbcf3
Label / candidateParty codeVotesShareSeatsStatus
MORENAmexico/S068788706d/20217,23535.3%UnknownRecorded
PAN_PRI_PRD_NAOmexico/S068788706d/20217,02534.2%UnknownRecorded
FXMmexico/S068788706d/20213,48417%UnknownRecorded
PUPmexico/S068788706d/20215962.9%UnknownRecorded
CAND_IND23mexico/S068788706d/20215682.8%UnknownRecorded
PT_PVEMmexico/S068788706d/20215552.7%UnknownRecorded
RSPmexico/S068788706d/20211710.8%UnknownRecorded
MCmexico/S068788706d/20211660.8%UnknownRecorded
PESmexico/S068788706d/20211590.8%UnknownRecorded

2018

Special · Legal certification not established · candidate marks

  • PRI_PVEM_PANAL37.4%
  • PAN_PRD_MC34.5%
  • PT_MORENA_ES19.2%
  • PSD3.4%
  • PUP1.4%
Results for event-809773a8210b3fcb4a526882
Label / candidateParty codeVotesShareSeatsStatus
PRI_PVEM_PANALmexico/S7eb415ec29/20187,97237.4%UnknownRecorded
PAN_PRD_MCmexico/S7eb415ec29/20187,34034.5%UnknownRecorded
PT_MORENA_ESmexico/S7eb415ec29/20184,09519.2%UnknownRecorded
PSDmexico/S7eb415ec29/20187163.4%UnknownRecorded
PUPmexico/S7eb415ec29/20183021.4%UnknownRecorded

4. Competition and volatility

competition index

Provisional imported-series CI

30.90–100 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=21.99075021487333, oldest_gap=3.094247246022036, previous_gap=1.052156921689459

pedersen volatility

Provisional volatility

62.52percentage 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=[[1.211476282077518,0.7080587729709819,0.20873408914173455,2.807678140220194,57.586051651455,0,35.59530143658167,1.8826996275528998],[0,0,0,0,0,0.8317049952402426,36.24931108772984,62.91898391702992],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=[[1.211476282077518,0.7080587729709819,0.20873408914173455,2.807678140220194,57.586051651455,0,35.59530143658167,1.8826996275528998],[0,0,0,0,0,0.8317049952402426,36.24931108772984,62.91898391702992],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=[[1.211476282077518,0.7080587729709819,0.20873408914173455,2.807678140220194,57.586051651455,0,35.59530143658167,1.8826996275528998],[0,0,0,0,0,0.8317049952402426,36.24931108772984,62.91898391702992],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. “SANTA MARIA HUATULCO — Municipal government.” Subnational Election Observatory, releaselatin-america-fe5e91689def, snapshot 2026-09-13. /electiondatabase/offices/MX-M-20-414. Sources: mexico--url-3635e08ffbefd711526cbeea, mexico--Sfc71292ce8, mexico--S068788706d, mexico--S7eb415ec29.