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

Office briefing

ECATZINGO — Municipal government

Tracked current office. Identifiers stay separate from display names.

Mexico · ECATZINGO / MEXICO · municipal · Municipal governmentMX-M-15-35

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
ECATZINGO / MEXICO
Next election
2027-06-06
Linked upcoming event
next-e8cf62d40e56052a58d92516
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

  • PVEM44.8%
  • PAN_PRI_PRD_NAEM41.2%
  • MORENA9.0%
  • MC1.5%
  • PT0.0%
Results for event-0368d27c946bf17364fa01db
Label / candidateParty codeVotesShareSeatsStatus
PVEMmexico/S4738743f1f/20242,66144.8%UnknownRecorded
PAN_PRI_PRD_NAEMmexico/S4738743f1f/20242,44941.2%UnknownRecorded
MORENAmexico/S4738743f1f/20245339%UnknownRecorded
MCmexico/S4738743f1f/2024921.5%UnknownRecorded
PTmexico/S4738743f1f/20240 (recorded zero)0% (recorded zero)UnknownRecorded

2021

Special · Legal certification not established · candidate marks

  • PRI36.3%
  • PVEM21.4%
  • PAN13.1%
  • PT_MORENA_NAEM_CC8.3%
  • FXM6.2%
  • RSP5.5%
  • MC3.7%
  • PRD3.5%
  • PES0.3%
Results for event-7c3e3b8a0059512e789417fa
Label / candidateParty codeVotesShareSeatsStatus
PRImexico/S0905d152c6/20212,08236.3%UnknownRecorded
PVEMmexico/S0905d152c6/20211,22721.4%UnknownRecorded
PANmexico/S0905d152c6/202175113.1%UnknownRecorded
PT_MORENA_NAEM_CCmexico/S0905d152c6/20214788.3%UnknownRecorded
FXMmexico/S0905d152c6/20213586.2%UnknownRecorded
RSPmexico/S0905d152c6/20213135.5%UnknownRecorded
MCmexico/S0905d152c6/20212153.7%UnknownRecorded
PRDmexico/S0905d152c6/20212013.5%UnknownRecorded
PESmexico/S0905d152c6/2021170.3%UnknownRecorded

2018

Special · Legal certification not established · candidate marks

  • PT_MORENA_ES35.1%
  • PAN_PRD_MC33.7%
  • PRI26.6%
  • PANAL1.7%
  • VR0.4%
Results for event-d282f794044881469841069b
Label / candidateParty codeVotesShareSeatsStatus
PT_MORENA_ESmexico/Scc7b785414/20181,85535.1%UnknownRecorded
PAN_PRD_MCmexico/Scc7b785414/20181,78033.7%UnknownRecorded
PRImexico/Scc7b785414/20181,40426.6%UnknownRecorded
PANALmexico/Scc7b785414/2018921.7%UnknownRecorded
VRmexico/Scc7b785414/2018200.4%UnknownRecorded

4. Competition and volatility

competition index

Provisional imported-series CI

65.450–100 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=3.6965998256320844, oldest_gap=1.4560279557367508, previous_gap=15.154200638071607

pedersen volatility

Provisional volatility

55.98percentage 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=[[0,0,0,0,46.399302528334786,1.6041848299912815,9.29380993897123,42.7027027027027],[13.310882665721376,36.901807869549806,3.562566465792272,0,21.7476072314782,3.8107054236086495,0,20.666430343849697],[0,27.256843331391963,0,0,0,0,0,72.74315666860804]]

pedersen volatility

Provisional volatility

52.08percentage 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=[[0,0,0,0,46.399302528334786,1.6041848299912815,9.29380993897123,42.7027027027027],[13.310882665721376,36.901807869549806,3.562566465792272,0,21.7476072314782,3.8107054236086495,0,20.666430343849697],[0,27.256843331391963,0,0,0,0,0,72.74315666860804]]

pedersen volatility

Provisional volatility

54.03percentage 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=[[0,0,0,0,46.399302528334786,1.6041848299912815,9.29380993897123,42.7027027027027],[13.310882665721376,36.901807869549806,3.562566465792272,0,21.7476072314782,3.8107054236086495,0,20.666430343849697],[0,27.256843331391963,0,0,0,0,0,72.74315666860804]]

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. “ECATZINGO — Municipal government.” Subnational Election Observatory, releaselatin-america-fe5e91689def, snapshot 2026-09-13. /electiondatabase/offices/MX-M-15-35. Sources: mexico--url-3635e08ffbefd711526cbeea, mexico--S4738743f1f, mexico--S0905d152c6, mexico--Scc7b785414.