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

Office briefing

SINANCHE — Municipal government

Tracked current office. Identifiers stay separate from display names.

Mexico · SINANCHE / YUCATAN · municipal · Municipal governmentMX-M-31-68

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
SINANCHE / YUCATAN
Next election
2027-06-06
Linked upcoming event
next-f1a04f13de9c43acc0c35a28
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

  • PAN_PRI_NAY37.2%
  • PVEM28.0%
  • PT19.8%
  • MC11.2%
  • MORENA1.2%
  • PAN0.0%
  • PRI0.0%
  • PRD0.0%
  • NAY0.0%
  • PAN_PRI_PRD_NAY0.0%
  • PAN_PRI_PRD0.0%
  • PAN_PRD_NAY0.0%
  • PRI_PRD_NAY0.0%
  • PAN_PRI0.0%
  • PAN_PRD0.0%
  • PAN_NAY0.0%
  • PRI_PRD0.0%
  • PRI_NAY0.0%
  • PRD_NAY0.0%
  • PVEM_PT_MORENA0.0%
  • PVEM_PT0.0%
  • PVEM_MORENA0.0%
  • PT_MORENA0.0%
Results for event-3c63934f17f907bcdc4faca7
Label / candidateParty codeVotesShareSeatsStatus
PAN_PRI_NAYmexico/S0d8f309166/202492537.2%UnknownRecorded
PVEMmexico/S0d8f309166/202469828%UnknownRecorded
PTmexico/S0d8f309166/202449319.8%UnknownRecorded
MCmexico/S0d8f309166/202427811.2%UnknownRecorded
MORENAmexico/S0d8f309166/2024311.2%UnknownRecorded
PANmexico/S0d8f309166/20240 (recorded zero)0% (recorded zero)UnknownRecorded
PRImexico/S0d8f309166/20240 (recorded zero)0% (recorded zero)UnknownRecorded
PRDmexico/S0d8f309166/20240 (recorded zero)0% (recorded zero)UnknownRecorded
NAYmexico/S0d8f309166/20240 (recorded zero)0% (recorded zero)UnknownRecorded
PAN_PRI_PRD_NAYmexico/S0d8f309166/20240 (recorded zero)0% (recorded zero)UnknownRecorded
PAN_PRI_PRDmexico/S0d8f309166/20240 (recorded zero)0% (recorded zero)UnknownRecorded
PAN_PRD_NAYmexico/S0d8f309166/20240 (recorded zero)0% (recorded zero)UnknownRecorded
PRI_PRD_NAYmexico/S0d8f309166/20240 (recorded zero)0% (recorded zero)UnknownRecorded
PAN_PRImexico/S0d8f309166/20240 (recorded zero)0% (recorded zero)UnknownRecorded
PAN_PRDmexico/S0d8f309166/20240 (recorded zero)0% (recorded zero)UnknownRecorded
PAN_NAYmexico/S0d8f309166/20240 (recorded zero)0% (recorded zero)UnknownRecorded
PRI_PRDmexico/S0d8f309166/20240 (recorded zero)0% (recorded zero)UnknownRecorded
PRI_NAYmexico/S0d8f309166/20240 (recorded zero)0% (recorded zero)UnknownRecorded
PRD_NAYmexico/S0d8f309166/20240 (recorded zero)0% (recorded zero)UnknownRecorded
PVEM_PT_MORENAmexico/S0d8f309166/20240 (recorded zero)0% (recorded zero)UnknownRecorded
PVEM_PTmexico/S0d8f309166/20240 (recorded zero)0% (recorded zero)UnknownRecorded
PVEM_MORENAmexico/S0d8f309166/20240 (recorded zero)0% (recorded zero)UnknownRecorded
PT_MORENAmexico/S0d8f309166/20240 (recorded zero)0% (recorded zero)UnknownRecorded

2021

Special · Legal certification not established · candidate marks

  • PAN_NAY41.8%
  • PRI35.6%
  • MORENA20.5%
  • RSP0.5%
  • PAN0.0%
  • PRD0.0%
  • PVEM0.0%
  • PT0.0%
  • MC0.0%
  • PES0.0%
  • FXM0.0%
  • NAY0.0%
  • CAND_IND10.0%
  • PAN_PRD_NAY0.0%
  • PAN_PRD0.0%
  • PRD_NAY0.0%
  • PRI_PRD_NAY0.0%
  • PRI_PRD0.0%
  • PRI_NAY0.0%
  • PRD_NAY_20.0%
Results for event-64263f14fc68345ad3872776
Label / candidateParty codeVotesShareSeatsStatus
PAN_NAYmexico/S6f02c4d8a8/20211,02141.8%UnknownRecorded
PRImexico/S6f02c4d8a8/202186935.6%UnknownRecorded
MORENAmexico/S6f02c4d8a8/202150120.5%UnknownRecorded
RSPmexico/S6f02c4d8a8/2021110.5%UnknownRecorded
PANmexico/S6f02c4d8a8/20210 (recorded zero)0% (recorded zero)UnknownRecorded
PRDmexico/S6f02c4d8a8/20210 (recorded zero)0% (recorded zero)UnknownRecorded
PVEMmexico/S6f02c4d8a8/20210 (recorded zero)0% (recorded zero)UnknownRecorded
PTmexico/S6f02c4d8a8/20210 (recorded zero)0% (recorded zero)UnknownRecorded
MCmexico/S6f02c4d8a8/20210 (recorded zero)0% (recorded zero)UnknownRecorded
PESmexico/S6f02c4d8a8/20210 (recorded zero)0% (recorded zero)UnknownRecorded
FXMmexico/S6f02c4d8a8/20210 (recorded zero)0% (recorded zero)UnknownRecorded
NAYmexico/S6f02c4d8a8/20210 (recorded zero)0% (recorded zero)UnknownRecorded
CAND_IND1mexico/S6f02c4d8a8/20210 (recorded zero)0% (recorded zero)UnknownRecorded
PAN_PRD_NAYmexico/S6f02c4d8a8/20210 (recorded zero)0% (recorded zero)UnknownRecorded
PAN_PRDmexico/S6f02c4d8a8/20210 (recorded zero)0% (recorded zero)UnknownRecorded
PRD_NAYmexico/S6f02c4d8a8/20210 (recorded zero)0% (recorded zero)UnknownRecorded
PRI_PRD_NAYmexico/S6f02c4d8a8/20210 (recorded zero)0% (recorded zero)UnknownRecorded
PRI_PRDmexico/S6f02c4d8a8/20210 (recorded zero)0% (recorded zero)UnknownRecorded
PRI_NAYmexico/S6f02c4d8a8/20210 (recorded zero)0% (recorded zero)UnknownRecorded
PRD_NAY_2mexico/S6f02c4d8a8/20210 (recorded zero)0% (recorded zero)UnknownRecorded

2018

Special · Legal certification not established · candidate marks

  • PAN46.7%
  • PRI_PANAL46.5%
  • PT_MORENA_ES2.2%
  • PVEM1.5%
  • PRD0.0%
Results for event-a7211bb46013f87117aeef17
Label / candidateParty codeVotesShareSeatsStatus
PANmexico/Sd2dde1fb81/20181,04946.7%UnknownRecorded
PRI_PANALmexico/Sd2dde1fb81/20181,04546.5%UnknownRecorded
PT_MORENA_ESmexico/Sd2dde1fb81/2018502.2%UnknownRecorded
PVEMmexico/Sd2dde1fb81/2018331.5%UnknownRecorded
PRDmexico/Sd2dde1fb81/201810%UnknownRecorded

4. Competition and volatility

competition index

Provisional imported-series CI

62.330–100 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=9.36082474226804, oldest_gap=0.1836547291092785, previous_gap=6.328059950041634

pedersen volatility

Provisional volatility

60.58percentage 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=[[0,0,0,20.329896907216494,28.783505154639176,11.463917525773196,1.2783505154639174,38.144329896907216],[0,36.178184845961695,0,0,0,0,20.857618651124064,42.964196502914234],[48.16345270890726,0,0.04591368227731864,0,1.5151515151515151,0,0,50.27548209366391]]

pedersen volatility

Provisional volatility

57.04percentage 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=[[0,0,0,20.329896907216494,28.783505154639176,11.463917525773196,1.2783505154639174,38.144329896907216],[0,36.178184845961695,0,0,0,0,20.857618651124064,42.964196502914234],[48.16345270890726,0,0.04591368227731864,0,1.5151515151515151,0,0,50.27548209366391]]

pedersen volatility

Provisional volatility

58.81percentage 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=[[0,0,0,20.329896907216494,28.783505154639176,11.463917525773196,1.2783505154639174,38.144329896907216],[0,36.178184845961695,0,0,0,0,20.857618651124064,42.964196502914234],[48.16345270890726,0,0.04591368227731864,0,1.5151515151515151,0,0,50.27548209366391]]

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. “SINANCHE — Municipal government.” Subnational Election Observatory, releaselatin-america-fe5e91689def, snapshot 2026-09-13. /electiondatabase/offices/MX-M-31-68. Sources: mexico--url-3635e08ffbefd711526cbeea, mexico--S0d8f309166, mexico--S6f02c4d8a8, mexico--Sd2dde1fb81.