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

Office briefing

VILLA DE ARRIAGA — Municipal government

Tracked current office. Identifiers stay separate from display names.

Mexico · VILLA DE ARRIAGA / SAN LUIS POTOSI · municipal · Municipal governmentMX-M-24-47

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
VILLA DE ARRIAGA / SAN LUIS POTOSI
Next election
2027-06-06
Linked upcoming event
next-245b0e8747c970aa3fc7af1c
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

  • PVEM49.2%
  • MORENA35.4%
  • MC9.3%
  • PAN_PRI_PRD2.7%
  • PT0.4%
Results for event-7b2c6bfcfe12f6241a357e68
Label / candidateParty codeVotesShareSeatsStatus
PVEMmexico/Sbbfb964ea0/20245,27149.2%UnknownRecorded
MORENAmexico/Sbbfb964ea0/20243,79435.4%UnknownRecorded
MCmexico/Sbbfb964ea0/20249999.3%UnknownRecorded
PAN_PRI_PRDmexico/Sbbfb964ea0/20242932.7%UnknownRecorded
PTmexico/Sbbfb964ea0/2024450.4%UnknownRecorded

2021

Special · Legal certification not established · candidate marks

  • PT_PVEM43.7%
  • PRI_PCP31.7%
  • PAN_PRD20.0%
  • MORENA1.8%
  • NASLP0.2%
  • PMC0.1%
Results for event-dd31c2c514b8f008d3376f31
Label / candidateParty codeVotesShareSeatsStatus
PT_PVEMmexico/S29a504391e/20214,21743.7%UnknownRecorded
PRI_PCPmexico/S29a504391e/20213,05731.7%UnknownRecorded
PAN_PRDmexico/S29a504391e/20211,92820%UnknownRecorded
MORENAmexico/S29a504391e/20211761.8%UnknownRecorded
NASLPmexico/S29a504391e/2021160.2%UnknownRecorded
PMCmexico/S29a504391e/202190.1%UnknownRecorded

2018

Special · Legal certification not established · candidate marks

  • PRI_PVEM55.5%
  • PAN_PRD_MC19.5%
  • PT_MORENA_ES19.2%
  • CP1.6%
  • PANAL0.5%
Results for event-bf9be35ca8684acc216ba83d
Label / candidateParty codeVotesShareSeatsStatus
PRI_PVEMmexico/Sa02f6e09ed/20185,43955.5%UnknownRecorded
PAN_PRD_MCmexico/Sa02f6e09ed/20181,91219.5%UnknownRecorded
PT_MORENA_ESmexico/Sa02f6e09ed/20181,87919.2%UnknownRecorded
CPmexico/Sa02f6e09ed/20181531.6%UnknownRecorded
PANALmexico/Sa02f6e09ed/2018510.5%UnknownRecorded

4. Competition and volatility

competition index

Provisional imported-series CI

20.20–100 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=14.199192462987888, oldest_gap=37.38605045579818, previous_gap=12.336488354780393

pedersen volatility

Provisional volatility

95.31percentage 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=[[0,0,0,0.43260911363199384,50.67294751009421,9.603922322630263,36.47375504710632,2.8167660065372044],[0,0,0,0,0,0,1.8717430607253005,98.1282569392747],null]

pedersen volatility

Withheld volatility

Unknownpercentage 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 · Comparable grouped vectors unavailable for this interval

Method pedersen.grouped.v1. Inputs: groups=["PAN","PRI","PRD","PT","PVEM","MC","MORENA","Other"], interval=Previous interval, vectors=[[0,0,0,0.43260911363199384,50.67294751009421,9.603922322630263,36.47375504710632,2.8167660065372044],[0,0,0,0,0,0,1.8717430607253005,98.1282569392747],null]

pedersen volatility

Withheld volatility

Unknownpercentage 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 · Comparable grouped vectors unavailable for this interval

Method pedersen.grouped.v1. Inputs: groups=["PAN","PRI","PRD","PT","PVEM","MC","MORENA","Other"], interval=Both intervals mean, vectors=[[0,0,0,0.43260911363199384,50.67294751009421,9.603922322630263,36.47375504710632,2.8167660065372044],[0,0,0,0,0,0,1.8717430607253005,98.1282569392747],null]

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. “VILLA DE ARRIAGA — Municipal government.” Subnational Election Observatory, releaselatin-america-fe5e91689def, snapshot 2026-09-13. /electiondatabase/offices/MX-M-24-47. Sources: mexico--url-3635e08ffbefd711526cbeea, mexico--Sbbfb964ea0, mexico--S29a504391e, mexico--Sa02f6e09ed.