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

Office briefing

SILTEPEC — Municipal government

Tracked current office. Identifiers stay separate from display names.

Mexico · SILTEPEC / CHIAPAS · municipal · Municipal governmentMX-M-7-81

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
SILTEPEC / CHIAPAS
Next election
2027-06-06
Linked upcoming event
next-a41e064cf9a3b317163fb0ae
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

  • MORENA34.8%
  • PVEM29.1%
  • PAN_PRI_PRD16.7%
  • PCHU5.3%
  • PT3.9%
  • RSP2.9%
  • PMCH0.6%
  • FXM0.5%
  • MC0.5%
  • PES0.2%
  • PPCH0.0%
Results for event-056fba46b064202ae381c40f
Label / candidateParty codeVotesShareSeatsStatus
MORENAmexico/S587991347f/20244,11034.8%UnknownRecorded
PVEMmexico/S587991347f/20243,43829.1%UnknownRecorded
PAN_PRI_PRDmexico/S587991347f/20241,97216.7%UnknownRecorded
PCHUmexico/S587991347f/20246275.3%UnknownRecorded
PTmexico/S587991347f/20244643.9%UnknownRecorded
RSPmexico/S587991347f/20243452.9%UnknownRecorded
PMCHmexico/S587991347f/2024720.6%UnknownRecorded
FXMmexico/S587991347f/2024590.5%UnknownRecorded
MCmexico/S587991347f/2024550.5%UnknownRecorded
PESmexico/S587991347f/2024250.2%UnknownRecorded
PPCHmexico/S587991347f/202420%UnknownRecorded

2018

Special · Legal certification not established · candidate marks

  • PRI28.3%
  • MVC18.3%
  • PVEM13.9%
  • PANAL12.6%
  • PT_MORENA_ES10.7%
  • PCU3.1%
  • PRD0.8%
Results for event-51c85c4efa1b7de883e17304
Label / candidateParty codeVotesShareSeatsStatus
PRImexico/S287eec22c9/20184,86028.3%UnknownRecorded
MVCmexico/S287eec22c9/20183,13518.3%UnknownRecorded
PVEMmexico/S287eec22c9/20182,38913.9%UnknownRecorded
PANALmexico/S287eec22c9/20182,16112.6%UnknownRecorded
PT_MORENA_ESmexico/S287eec22c9/20181,84110.7%UnknownRecorded
PCUmexico/S287eec22c9/20185323.1%UnknownRecorded
PRDmexico/S287eec22c9/20181410.8%UnknownRecorded

4. Competition and volatility

competition index

Withheld

Unknown0–100 historical closeness

Actual-event and/or comparability review incomplete

Comparison status: Comparison unavailable · INE result distributions kept separate. Certified seats, supplementary elections, coalition and boundary audit remain.

Method ci.weighted-gap.v1. Inputs: latest_gap=6.016653236637119, oldest_gap=null, previous_gap=11.454943887376317

pedersen volatility

Provisional volatility

56.36percentage 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=[[0,0,0,4.15435580624944,30.78162771958098,0.49243441668905,36.7982809562181,27.773301101262422],[0,32.273059300086324,0.9363171525333688,0,15.864267215618566,0,0,50.926356331761745],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=[[0,0,0,4.15435580624944,30.78162771958098,0.49243441668905,36.7982809562181,27.773301101262422],[0,32.273059300086324,0.9363171525333688,0,15.864267215618566,0,0,50.926356331761745],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=[[0,0,0,4.15435580624944,30.78162771958098,0.49243441668905,36.7982809562181,27.773301101262422],[0,32.273059300086324,0.9363171525333688,0,15.864267215618566,0,0,50.926356331761745],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. “SILTEPEC — Municipal government.” Subnational Election Observatory, releaselatin-america-fe5e91689def, snapshot 2026-09-13. /electiondatabase/offices/MX-M-7-81. Sources: mexico--url-3635e08ffbefd711526cbeea, mexico--S587991347f, mexico--S287eec22c9.