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

Office briefing

CHAPA DE MOTA — Municipal government

Tracked current office. Identifiers stay separate from display names.

Mexico · CHAPA DE MOTA / MEXICO · municipal · Municipal governmentMX-M-15-27

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
CHAPA DE MOTA / MEXICO
Next election
2027-06-06
Linked upcoming event
next-ca33f7a924936e1dee358556
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

  • PVEM_PT_MORENA47.7%
  • PAN_PRI_PRD_NAEM42.8%
  • MC6.5%
Results for event-5008a4ba0f064ad131aa3def
Label / candidateParty codeVotesShareSeatsStatus
PVEM_PT_MORENAmexico/Sbb52c0d099/20248,75747.7%UnknownRecorded
PAN_PRI_PRD_NAEMmexico/Sbb52c0d099/20247,86242.8%UnknownRecorded
MCmexico/Sbb52c0d099/20241,2016.5%UnknownRecorded

2021

Special · Legal certification not established · candidate marks

  • PAN_PRI_PRD51.6%
  • PT_MORENA_NAEM_CC27.0%
  • PVEM7.6%
  • RSP7.5%
  • MC2.8%
  • PES0.6%
  • FXM0.5%
Results for event-c063e76d06e467343973ad5d
Label / candidateParty codeVotesShareSeatsStatus
PAN_PRI_PRDmexico/S8657cb2b35/20218,33151.6%UnknownRecorded
PT_MORENA_NAEM_CCmexico/S8657cb2b35/20214,35627%UnknownRecorded
PVEMmexico/S8657cb2b35/20211,2247.6%UnknownRecorded
RSPmexico/S8657cb2b35/20211,2177.5%UnknownRecorded
MCmexico/S8657cb2b35/20214452.8%UnknownRecorded
PESmexico/S8657cb2b35/2021920.6%UnknownRecorded
FXMmexico/S8657cb2b35/2021740.5%UnknownRecorded

2018

Special · Legal certification not established · candidate marks

  • PAN_PRD_MC41.9%
  • PANAL26.1%
  • PRI20.2%
  • PT_MORENA_ES6.1%
  • VR1.1%
  • PVEM1.0%
Results for event-54e3c41bbe55cbc16afe7fe4
Label / candidateParty codeVotesShareSeatsStatus
PAN_PRD_MCmexico/S50426d9d6f/20187,21041.9%UnknownRecorded
PANALmexico/S50426d9d6f/20184,49926.1%UnknownRecorded
PRImexico/S50426d9d6f/20183,48120.2%UnknownRecorded
PT_MORENA_ESmexico/S50426d9d6f/20181,0426.1%UnknownRecorded
VRmexico/S50426d9d6f/20181881.1%UnknownRecorded
PVEMmexico/S50426d9d6f/20181741%UnknownRecorded

4. Competition and volatility

competition index

Provisional imported-series CI

38.880–100 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=5.022446689113352, oldest_gap=16.337230324213575, previous_gap=25.255734163542794

pedersen volatility

Provisional volatility

7.78percentage 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=[[0,0,0,0,0,6.739618406285073,0,93.26038159371492],[0,0,0,0,7.776860029226762,2.8273714975538473,0,89.39576847321939],[0,20.977461733156563,0,0,1.0485717729299746,0,0,77.97396649391345]]

pedersen volatility

Provisional volatility

20.98percentage 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: Previous interval

Method pedersen.grouped.v1. Inputs: groups=["PAN","PRI","PRD","PT","PVEM","MC","MORENA","Other"], interval=Previous interval, vectors=[[0,0,0,0,0,6.739618406285073,0,93.26038159371492],[0,0,0,0,7.776860029226762,2.8273714975538473,0,89.39576847321939],[0,20.977461733156563,0,0,1.0485717729299746,0,0,77.97396649391345]]

pedersen volatility

Provisional volatility

14.38percentage 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=[[0,0,0,0,0,6.739618406285073,0,93.26038159371492],[0,0,0,0,7.776860029226762,2.8273714975538473,0,89.39576847321939],[0,20.977461733156563,0,0,1.0485717729299746,0,0,77.97396649391345]]

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. “CHAPA DE MOTA — Municipal government.” Subnational Election Observatory, releaselatin-america-fe5e91689def, snapshot 2026-09-13. /electiondatabase/offices/MX-M-15-27. Sources: mexico--url-3635e08ffbefd711526cbeea, mexico--Sbb52c0d099, mexico--S8657cb2b35, mexico--S50426d9d6f.