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

Office briefing

RINCON CHAMULA SAN PEDRO — Municipal government

Tracked current office. Identifiers stay separate from display names.

Mexico · RINCON CHAMULA SAN PEDRO / CHIAPAS · municipal · Municipal governmentMX-M-7-120

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
RINCON CHAMULA SAN PEDRO / CHIAPAS
Next election
2027-06-06
Linked upcoming event
next-7c898ef33ab1fa432bd0d6a2
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

  • MORENA48.6%
  • PT43.9%
  • PAN_PRI_PRD1.4%
  • PMCH0.8%
  • RSP0.6%
  • PCHU0.5%
  • PES0.3%
Results for event-279342a007468ce285c9376f
Label / candidateParty codeVotesShareSeatsStatus
MORENAmexico/S04a2160d06/20241,83748.6%UnknownRecorded
PTmexico/S04a2160d06/20241,65743.9%UnknownRecorded
PAN_PRI_PRDmexico/S04a2160d06/2024541.4%UnknownRecorded
PMCHmexico/S04a2160d06/2024290.8%UnknownRecorded
RSPmexico/S04a2160d06/2024210.6%UnknownRecorded
PCHUmexico/S04a2160d06/2024200.5%UnknownRecorded
PESmexico/S04a2160d06/2024130.3%UnknownRecorded

2021

Special · Legal certification not established · candidate marks

  • PCHU40.3%
  • MORENA26.1%
  • PAN_PRI_PRD23.8%
  • PMCH2.1%
  • PES0.9%
  • PVEM0.9%
  • FXM0.7%
  • RSP0.6%
  • MC0.5%
  • PPCH0.1%
  • PAN0.0%
  • PRI0.0%
  • PRD0.0%
  • PT0.0%
  • PNA0.0%
  • CAND_IND10.0%
  • CAND_IND20.0%
  • CAND_IND30.0%
  • CAND_IND40.0%
  • CAND_IND50.0%
  • CAND_IND60.0%
  • CAND_IND70.0%
  • CAND_IND80.0%
  • CAND_IND90.0%
  • CAND_IND100.0%
Results for event-f96c266ef99c47c5b7a2675e
Label / candidateParty codeVotesShareSeatsStatus
PCHUmexico/S03cb87fc34/20211,44740.3%UnknownRecorded
MORENAmexico/S03cb87fc34/202193926.1%UnknownRecorded
PAN_PRI_PRDmexico/S03cb87fc34/202185623.8%UnknownRecorded
PMCHmexico/S03cb87fc34/2021742.1%UnknownRecorded
PESmexico/S03cb87fc34/2021320.9%UnknownRecorded
PVEMmexico/S03cb87fc34/2021310.9%UnknownRecorded
FXMmexico/S03cb87fc34/2021240.7%UnknownRecorded
RSPmexico/S03cb87fc34/2021230.6%UnknownRecorded
MCmexico/S03cb87fc34/2021170.5%UnknownRecorded
PPCHmexico/S03cb87fc34/202130.1%UnknownRecorded
PANmexico/S03cb87fc34/20210 (recorded zero)0% (recorded zero)UnknownRecorded
PRImexico/S03cb87fc34/20210 (recorded zero)0% (recorded zero)UnknownRecorded
PRDmexico/S03cb87fc34/20210 (recorded zero)0% (recorded zero)UnknownRecorded
PTmexico/S03cb87fc34/20210 (recorded zero)0% (recorded zero)UnknownRecorded
PNAmexico/S03cb87fc34/20210 (recorded zero)0% (recorded zero)UnknownRecorded
CAND_IND1mexico/S03cb87fc34/20210 (recorded zero)0% (recorded zero)UnknownRecorded
CAND_IND2mexico/S03cb87fc34/20210 (recorded zero)0% (recorded zero)UnknownRecorded
CAND_IND3mexico/S03cb87fc34/20210 (recorded zero)0% (recorded zero)UnknownRecorded
CAND_IND4mexico/S03cb87fc34/20210 (recorded zero)0% (recorded zero)UnknownRecorded
CAND_IND5mexico/S03cb87fc34/20210 (recorded zero)0% (recorded zero)UnknownRecorded
CAND_IND6mexico/S03cb87fc34/20210 (recorded zero)0% (recorded zero)UnknownRecorded
CAND_IND7mexico/S03cb87fc34/20210 (recorded zero)0% (recorded zero)UnknownRecorded
CAND_IND8mexico/S03cb87fc34/20210 (recorded zero)0% (recorded zero)UnknownRecorded
CAND_IND9mexico/S03cb87fc34/20210 (recorded zero)0% (recorded zero)UnknownRecorded
CAND_IND10mexico/S03cb87fc34/20210 (recorded zero)0% (recorded zero)UnknownRecorded

2018

Special · Legal certification not established · candidate marks

  • PVEM33.2%
  • PT_MORENA_ES17.0%
  • MVC15.6%
  • PCU14.3%
  • PAN_PRD_MC9.1%
  • PRI4.9%
  • PANAL3.8%
Results for event-0493285540b8019d8087ddbe
Label / candidateParty codeVotesShareSeatsStatus
PVEMmexico/S68abeed5b6/20181,84033.2%UnknownRecorded
PT_MORENA_ESmexico/S68abeed5b6/201893917%UnknownRecorded
MVCmexico/S68abeed5b6/201886115.6%UnknownRecorded
PCUmexico/S68abeed5b6/201879414.3%UnknownRecorded
PAN_PRD_MCmexico/S68abeed5b6/20185059.1%UnknownRecorded
PRImexico/S68abeed5b6/20182704.9%UnknownRecorded
PANALmexico/S68abeed5b6/20182133.8%UnknownRecorded

4. Competition and volatility

competition index

Provisional imported-series CI

54.710–100 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=4.957312035252002, oldest_gap=16.617484323127997, previous_gap=14.741729541497385

pedersen volatility

Provisional volatility

68.98percentage 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=[[0,0,0,45.634811346736434,0,0,50.592123381988436,3.7730652712751307],[0,0,0,0,0.8995937318630296,0.4933255948926291,27.248984329657574,71.35809634358675],[0,4.979712283290299,0,0,33.935817041682036,0,0,61.08447067502766]]

pedersen volatility

Provisional volatility

38.02percentage 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: Previous interval

Method pedersen.grouped.v1. Inputs: groups=["PAN","PRI","PRD","PT","PVEM","MC","MORENA","Other"], interval=Previous interval, vectors=[[0,0,0,45.634811346736434,0,0,50.592123381988436,3.7730652712751307],[0,0,0,0,0.8995937318630296,0.4933255948926291,27.248984329657574,71.35809634358675],[0,4.979712283290299,0,0,33.935817041682036,0,0,61.08447067502766]]

pedersen volatility

Provisional volatility

53.5percentage 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=[[0,0,0,45.634811346736434,0,0,50.592123381988436,3.7730652712751307],[0,0,0,0,0.8995937318630296,0.4933255948926291,27.248984329657574,71.35809634358675],[0,4.979712283290299,0,0,33.935817041682036,0,0,61.08447067502766]]

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. “RINCON CHAMULA SAN PEDRO — Municipal government.” Subnational Election Observatory, releaselatin-america-fe5e91689def, snapshot 2026-09-13. /electiondatabase/offices/MX-M-7-120. Sources: mexico--url-3635e08ffbefd711526cbeea, mexico--S04a2160d06, mexico--S03cb87fc34, mexico--S68abeed5b6.