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

Office briefing

SAN JUAN IHUALTEPEC — Municipal government

Tracked current office. Identifiers stay separate from display names.

Mexico · SAN JUAN IHUALTEPEC / OAXACA · municipal · Municipal governmentMX-M-20-200

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 JUAN IHUALTEPEC / OAXACA
Next election
2027-06-06
Linked upcoming event
next-bd8f1bc249937fcdf9f53d58
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

  • MORENA71.1%
  • FXMO7.3%
  • PT6.9%
Results for event-f5518cf7b357850a3f279841
Label / candidateParty codeVotesShareSeatsStatus
MORENAmexico/Sa291ba5f19/202415571.1%UnknownRecorded
FXMOmexico/Sa291ba5f19/2024167.3%UnknownRecorded
PTmexico/Sa291ba5f19/2024156.9%UnknownRecorded

2021

Special · Legal certification not established · candidate marks

  • PAN_PRI_PRD_255.0%
  • MORENA39.0%
  • PES2.6%
  • PT1.0%
Results for event-456fcffdf3b6e2d5d9eec7cc
Label / candidateParty codeVotesShareSeatsStatus
PAN_PRI_PRD_2mexico/Sd44e4bb501/202117255%UnknownRecorded
MORENAmexico/Sd44e4bb501/202112239%UnknownRecorded
PESmexico/Sd44e4bb501/202182.6%UnknownRecorded
PTmexico/Sd44e4bb501/202131%UnknownRecorded

2018

Special · Legal certification not established · candidate marks

  • PRI_PVEM_PANAL49.5%
  • MORENA30.1%
  • PAN18.2%
Results for event-f882bf1e547a72dcce49817b
Label / candidateParty codeVotesShareSeatsStatus
PRI_PVEM_PANALmexico/Sd5627d845b/201815849.5%UnknownRecorded
MORENAmexico/Sd5627d845b/20189630.1%UnknownRecorded
PANmexico/Sd5627d845b/20185818.2%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=74.73118279569891, oldest_gap=19.871794871794872, previous_gap=16.393442622950822

pedersen volatility

Provisional volatility

50.41percentage 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=[[0,0,0,8.064516129032258,0,0,83.33333333333333,8.602150537634408],[0,0,0,0.9836065573770492,0,0,40,59.016393442622956],[18.58974358974359,0,0,0,0,0,30.76923076923077,50.64102564102564]]

pedersen volatility

Provisional volatility

18.59percentage 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=[[0,0,0,8.064516129032258,0,0,83.33333333333333,8.602150537634408],[0,0,0,0.9836065573770492,0,0,40,59.016393442622956],[18.58974358974359,0,0,0,0,0,30.76923076923077,50.64102564102564]]

pedersen volatility

Provisional volatility

34.5percentage 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=[[0,0,0,8.064516129032258,0,0,83.33333333333333,8.602150537634408],[0,0,0,0.9836065573770492,0,0,40,59.016393442622956],[18.58974358974359,0,0,0,0,0,30.76923076923077,50.64102564102564]]

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 JUAN IHUALTEPEC — Municipal government.” Subnational Election Observatory, releaselatin-america-fe5e91689def, snapshot 2026-09-13. /electiondatabase/offices/MX-M-20-200. Sources: mexico--url-3635e08ffbefd711526cbeea, mexico--Sa291ba5f19, mexico--Sd44e4bb501, mexico--Sd5627d845b.