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

Office briefing

SAN PEDRO IXCATLAN — Municipal government

Tracked current office. Identifiers stay separate from display names.

Mexico · SAN PEDRO IXCATLAN / OAXACA · municipal · Municipal governmentMX-M-20-307

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
SAN PEDRO IXCATLAN / OAXACA
Next election
2027-06-06
Linked upcoming event
next-18442dcc6b8d727dc73d48d4
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

  • MORENA61.5%
  • PVEM23.0%
  • FXMO8.3%
  • PRI1.8%
  • MC0.9%
  • PUP0.6%
  • MUJER0.5%
  • NAO0.3%
Results for event-bb97d882334b5ff791d56bd3
Label / candidateParty codeVotesShareSeatsStatus
MORENAmexico/S24cf8df9a5/20243,88761.5%UnknownRecorded
PVEMmexico/S24cf8df9a5/20241,45323%UnknownRecorded
FXMOmexico/S24cf8df9a5/20245268.3%UnknownRecorded
PRImexico/S24cf8df9a5/20241151.8%UnknownRecorded
MCmexico/S24cf8df9a5/2024550.9%UnknownRecorded
PUPmexico/S24cf8df9a5/2024410.6%UnknownRecorded
MUJERmexico/S24cf8df9a5/2024300.5%UnknownRecorded
NAOmexico/S24cf8df9a5/2024200.3%UnknownRecorded

2021

Special · Legal certification not established · candidate marks

  • MORENA50.2%
  • PAN_PRI_PRD27.4%
  • PUP16.6%
  • PES1.7%
  • MC1.2%
  • PT_PVEM0.7%
Results for event-6e7e03f48db14f4c21edd93f
Label / candidateParty codeVotesShareSeatsStatus
MORENAmexico/Sd636246464/20213,20650.2%UnknownRecorded
PAN_PRI_PRDmexico/Sd636246464/20211,74627.4%UnknownRecorded
PUPmexico/Sd636246464/20211,05916.6%UnknownRecorded
PESmexico/Sd636246464/20211111.7%UnknownRecorded
MCmexico/Sd636246464/2021751.2%UnknownRecorded
PT_PVEMmexico/Sd636246464/2021460.7%UnknownRecorded

2018

Special · Legal certification not established · candidate marks

  • PT_MORENA_ES60.4%
  • PRI_PVEM_PANAL34.8%
  • PAN_PRD_MC3.2%
Results for event-d0976ef195e4ca79b6dc211e
Label / candidateParty codeVotesShareSeatsStatus
PT_MORENA_ESmexico/Sca65b050ed/20183,83060.4%UnknownRecorded
PRI_PVEM_PANALmexico/Sca65b050ed/20182,20834.8%UnknownRecorded
PAN_PRD_MCmexico/Sca65b050ed/20182053.2%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=39.72580381916109, oldest_gap=25.98109883069037, previous_gap=23.386192535639914

pedersen volatility

Provisional volatility

37.68percentage 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=[[0,1.8769381426472989,0,0,23.71470540231761,0.8976660682226212,63.4405092214787,10.070181165333768],[0,0,0,0,0,1.2013455069678038,51.35351593785039,47.4451385551818],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=[[0,1.8769381426472989,0,0,23.71470540231761,0.8976660682226212,63.4405092214787,10.070181165333768],[0,0,0,0,0,1.2013455069678038,51.35351593785039,47.4451385551818],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=[[0,1.8769381426472989,0,0,23.71470540231761,0.8976660682226212,63.4405092214787,10.070181165333768],[0,0,0,0,0,1.2013455069678038,51.35351593785039,47.4451385551818],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. “SAN PEDRO IXCATLAN — Municipal government.” Subnational Election Observatory, releaselatin-america-fe5e91689def, snapshot 2026-09-13. /electiondatabase/offices/MX-M-20-307. Sources: mexico--url-3635e08ffbefd711526cbeea, mexico--S24cf8df9a5, mexico--Sd636246464, mexico--Sca65b050ed.