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

Office briefing

COAHUAYUTLA DE JOSE MARIA IZAZAGA — Municipal government

Tracked current office. Identifiers stay separate from display names.

Mexico · COAHUAYUTLA DE JOSE MARIA IZAZAGA / GUERRERO · municipal · Municipal governmentMX-M-12-16

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
COAHUAYUTLA DE JOSE MARIA IZAZAGA / GUERRERO
Next election
2027-06-06
Linked upcoming event
next-f79a5abcaaf823fd4332e6eb
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

  • MORENA73.9%
  • PRD18.8%
  • PVEM3.8%
  • FXMG0.7%
  • PT0.5%
  • PRI0.4%
Results for event-242a4a9359d30a67ff05c576
Label / candidateParty codeVotesShareSeatsStatus
MORENAmexico/S7404cce300/20243,60773.9%UnknownRecorded
PRDmexico/S7404cce300/202491818.8%UnknownRecorded
PVEMmexico/S7404cce300/20241843.8%UnknownRecorded
FXMGmexico/S7404cce300/2024320.7%UnknownRecorded
PTmexico/S7404cce300/2024240.5%UnknownRecorded
PRImexico/S7404cce300/2024190.4%UnknownRecorded

2021

Special · Legal certification not established · candidate marks

  • MORENA88.2%
  • PVEM4.5%
  • PRI_PRD2.8%
  • PAN0.7%
  • PT0.6%
  • PES0.5%
  • MC0.2%
Results for event-8a7a3b40e14bff286bb8efaf
Label / candidateParty codeVotesShareSeatsStatus
MORENAmexico/Se1120ed0d9/20214,78188.2%UnknownRecorded
PVEMmexico/Se1120ed0d9/20212434.5%UnknownRecorded
PRI_PRDmexico/Se1120ed0d9/20211542.8%UnknownRecorded
PANmexico/Se1120ed0d9/2021370.7%UnknownRecorded
PTmexico/Se1120ed0d9/2021320.6%UnknownRecorded
PESmexico/Se1120ed0d9/2021260.5%UnknownRecorded
MCmexico/Se1120ed0d9/2021130.2%UnknownRecorded

2018

Special · Legal certification not established · candidate marks

  • MORENA47.1%
  • PRI_PVEM45.3%
  • ES4.1%
  • PAN_PRD_MC1.9%
  • PT0.2%
  • PPG0.0%
Results for event-6af4c3cb3dcd99838a262ee7
Label / candidateParty codeVotesShareSeatsStatus
MORENAmexico/Sa3e806cd80/20183,35347.1%UnknownRecorded
PRI_PVEMmexico/Sa3e806cd80/20183,22745.3%UnknownRecorded
ESmexico/Sa3e806cd80/20182914.1%UnknownRecorded
PAN_PRD_MCmexico/Sa3e806cd80/20181321.9%UnknownRecorded
PTmexico/Sa3e806cd80/2018110.2%UnknownRecorded
PPGmexico/Sa3e806cd80/201830%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=56.208193979933114, oldest_gap=1.7956391620350516, previous_gap=85.84941354521378

pedersen volatility

Provisional volatility

19.59percentage 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: Latest interval

Method pedersen.grouped.v1. Inputs: groups=["PAN","PRI","PRD","PT","PVEM","MC","MORENA","Other"], interval=Latest interval, vectors=[[0,0.3971571906354515,19.18896321070234,0.5016722408026756,3.8461538461538463,0,75.39715719063545,0.6688963210702341],[0.6999621642073401,0,0,0.6053726825576996,4.597048808172532,0.24593265228906547,90.44646235338631,3.4052213393870603],[0,0,0,0.15676214906655267,0,0,47.783953256377366,52.05928459455608]]

pedersen volatility

Provisional volatility

48.65percentage 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=[[0,0.3971571906354515,19.18896321070234,0.5016722408026756,3.8461538461538463,0,75.39715719063545,0.6688963210702341],[0.6999621642073401,0,0,0.6053726825576996,4.597048808172532,0.24593265228906547,90.44646235338631,3.4052213393870603],[0,0,0,0.15676214906655267,0,0,47.783953256377366,52.05928459455608]]

pedersen volatility

Provisional volatility

34.12percentage 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=[[0,0.3971571906354515,19.18896321070234,0.5016722408026756,3.8461538461538463,0,75.39715719063545,0.6688963210702341],[0.6999621642073401,0,0,0.6053726825576996,4.597048808172532,0.24593265228906547,90.44646235338631,3.4052213393870603],[0,0,0,0.15676214906655267,0,0,47.783953256377366,52.05928459455608]]

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. “COAHUAYUTLA DE JOSE MARIA IZAZAGA — Municipal government.” Subnational Election Observatory, releaselatin-america-fe5e91689def, snapshot 2026-09-13. /electiondatabase/offices/MX-M-12-16. Sources: mexico--url-3635e08ffbefd711526cbeea, mexico--S7404cce300, mexico--Se1120ed0d9, mexico--Sa3e806cd80.