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

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Office briefing

MUÑOZ DE DOMINGO ARENAS — Municipal government

Tracked current office. Identifiers stay separate from display names.

Mexico · MUÑOZ DE DOMINGO ARENAS / TLAXCALA · municipal · Municipal governmentMX-M-29-11

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
MUÑOZ DE DOMINGO ARENAS / TLAXCALA
Next election
2027-06-06
Linked upcoming event
next-c0183b74174961296c4a8614
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

  • MORENA46.0%
  • RSP29.1%
  • FXM13.9%
  • PAC3.2%
  • PRI1.0%
  • PVEM1.0%
  • PAN0.7%
  • MC0.5%
  • PT0.5%
Results for event-c53c5a1db08162df96526f95
Label / candidateParty codeVotesShareSeatsStatus
MORENAmexico/Sdeca22b1ca/20241,30546%UnknownRecorded
RSPmexico/Sdeca22b1ca/202482629.1%UnknownRecorded
FXMmexico/Sdeca22b1ca/202439413.9%UnknownRecorded
PACmexico/Sdeca22b1ca/2024913.2%UnknownRecorded
PRImexico/Sdeca22b1ca/2024281%UnknownRecorded
PVEMmexico/Sdeca22b1ca/2024281%UnknownRecorded
PANmexico/Sdeca22b1ca/2024190.7%UnknownRecorded
MCmexico/Sdeca22b1ca/2024150.5%UnknownRecorded
PTmexico/Sdeca22b1ca/2024130.5%UnknownRecorded

2021

Special · Legal certification not established · candidate marks

  • PEST31.5%
  • PISSI19.9%
  • PES19.3%
  • MORENA8.5%
  • PAN7.6%
  • PS4.0%
  • PRI3.7%
  • RSP0.8%
  • MC0.8%
  • PT0.4%
  • PAC0.4%
  • PVEM0.3%
  • PRD0.1%
  • PANALT0.0%
  • FXM0.0%
Results for event-f56a48b1be46a23eb4806dd3
Label / candidateParty codeVotesShareSeatsStatus
PESTmexico/Sd94e55e5d7/202185031.5%UnknownRecorded
PISSImexico/Sd94e55e5d7/202153719.9%UnknownRecorded
PESmexico/Sd94e55e5d7/202152119.3%UnknownRecorded
MORENAmexico/Sd94e55e5d7/20212288.5%UnknownRecorded
PANmexico/Sd94e55e5d7/20212057.6%UnknownRecorded
PSmexico/Sd94e55e5d7/20211084%UnknownRecorded
PRImexico/Sd94e55e5d7/20211003.7%UnknownRecorded
RSPmexico/Sd94e55e5d7/2021220.8%UnknownRecorded
MCmexico/Sd94e55e5d7/2021210.8%UnknownRecorded
PTmexico/Sd94e55e5d7/2021120.4%UnknownRecorded
PACmexico/Sd94e55e5d7/2021110.4%UnknownRecorded
PVEMmexico/Sd94e55e5d7/202190.3%UnknownRecorded
PRDmexico/Sd94e55e5d7/202120.1%UnknownRecorded
PANALTmexico/Sd94e55e5d7/20210 (recorded zero)0% (recorded zero)UnknownRecorded
FXMmexico/Sd94e55e5d7/20210 (recorded zero)0% (recorded zero)UnknownRecorded

2016

Special · Legal certification not established · candidate marks

  • PRI28.0%
  • PAN22.9%
  • PT17.6%
  • PVEM13.3%
  • MORENA5.6%
  • PANAL5.5%
  • PS2.1%
  • PRD1.1%
  • MC0.1%
Results for event-cd43f4587d705068a422ee6b
Label / candidateParty codeVotesShareSeatsStatus
PRImexico/S69131e50ce/201671728%UnknownRecorded
PANmexico/S69131e50ce/201658822.9%UnknownRecorded
PTmexico/S69131e50ce/201645117.6%UnknownRecorded
PVEMmexico/S69131e50ce/201634213.3%UnknownRecorded
MORENAmexico/S69131e50ce/20161435.6%UnknownRecorded
PANALmexico/S69131e50ce/20161405.5%UnknownRecorded
PSmexico/S69131e50ce/2016532.1%UnknownRecorded
PRDmexico/S69131e50ce/2016281.1%UnknownRecorded
MCmexico/S69131e50ce/201630.1%UnknownRecorded

4. Competition and volatility

competition index

Provisional imported-series CI

26.650–100 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=17.61677087164399, oldest_gap=5.233265720081139, previous_gap=11.919268849961924

pedersen volatility

Provisional volatility

40.02percentage 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=[[0.6987863184994483,1.0297903641044501,0,0.47811695476278043,1.0297903641044501,0.5516734093416698,47.99558661272527,48.21625597646194],[7.806549885757806,3.808073115003808,0.07616146230007616,0.456968773800457,0.3427265803503427,0.7996953541507997,8.682406702208683,78.02741812642803],[23.85395537525355,29.087221095334687,1.1359026369168357,18.296146044624745,13.874239350912779,0.12170385395537525,5.801217038539554,7.829614604462474]]

pedersen volatility

Provisional volatility

73.76percentage 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=[[0.6987863184994483,1.0297903641044501,0,0.47811695476278043,1.0297903641044501,0.5516734093416698,47.99558661272527,48.21625597646194],[7.806549885757806,3.808073115003808,0.07616146230007616,0.456968773800457,0.3427265803503427,0.7996953541507997,8.682406702208683,78.02741812642803],[23.85395537525355,29.087221095334687,1.1359026369168357,18.296146044624745,13.874239350912779,0.12170385395537525,5.801217038539554,7.829614604462474]]

pedersen volatility

Provisional volatility

56.89percentage 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=[[0.6987863184994483,1.0297903641044501,0,0.47811695476278043,1.0297903641044501,0.5516734093416698,47.99558661272527,48.21625597646194],[7.806549885757806,3.808073115003808,0.07616146230007616,0.456968773800457,0.3427265803503427,0.7996953541507997,8.682406702208683,78.02741812642803],[23.85395537525355,29.087221095334687,1.1359026369168357,18.296146044624745,13.874239350912779,0.12170385395537525,5.801217038539554,7.829614604462474]]

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. “MUÑOZ DE DOMINGO ARENAS — Municipal government.” Subnational Election Observatory, releaselatin-america-fe5e91689def, snapshot 2026-09-13. /electiondatabase/offices/MX-M-29-11. Sources: mexico--url-3635e08ffbefd711526cbeea, mexico--Sdeca22b1ca, mexico--Sd94e55e5d7, mexico--S69131e50ce.