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

Office briefing

TAHDZIU — Municipal government

Tracked current office. Identifiers stay separate from display names.

Mexico · TAHDZIU / YUCATAN · municipal · Municipal governmentMX-M-31-73

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
TAHDZIU / YUCATAN
Next election
2027-06-06
Linked upcoming event
next-d26482f5181f699957cdca3a
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

  • NAY53.5%
  • PVEM_PT_MORENA25.9%
  • PAN17.1%
  • PRI0.4%
  • PRD0.3%
  • PVEM0.0%
  • PT0.0%
  • MC0.0%
  • MORENA0.0%
  • PAN_PRI_PRD_NAY0.0%
  • PAN_PRI_PRD0.0%
  • PAN_PRI_NAY0.0%
  • 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_PT0.0%
  • PVEM_MORENA0.0%
  • PT_MORENA0.0%
Results for event-0ca0f6f2b7501661ae6bff99
Label / candidateParty codeVotesShareSeatsStatus
NAYmexico/S15e82b8fa4/20241,73753.5%UnknownRecorded
PVEM_PT_MORENAmexico/S15e82b8fa4/202484025.9%UnknownRecorded
PANmexico/S15e82b8fa4/202455517.1%UnknownRecorded
PRImexico/S15e82b8fa4/2024130.4%UnknownRecorded
PRDmexico/S15e82b8fa4/2024100.3%UnknownRecorded
PVEMmexico/S15e82b8fa4/20240 (recorded zero)0% (recorded zero)UnknownRecorded
PTmexico/S15e82b8fa4/20240 (recorded zero)0% (recorded zero)UnknownRecorded
MCmexico/S15e82b8fa4/20240 (recorded zero)0% (recorded zero)UnknownRecorded
MORENAmexico/S15e82b8fa4/20240 (recorded zero)0% (recorded zero)UnknownRecorded
PAN_PRI_PRD_NAYmexico/S15e82b8fa4/20240 (recorded zero)0% (recorded zero)UnknownRecorded
PAN_PRI_PRDmexico/S15e82b8fa4/20240 (recorded zero)0% (recorded zero)UnknownRecorded
PAN_PRI_NAYmexico/S15e82b8fa4/20240 (recorded zero)0% (recorded zero)UnknownRecorded
PAN_PRD_NAYmexico/S15e82b8fa4/20240 (recorded zero)0% (recorded zero)UnknownRecorded
PRI_PRD_NAYmexico/S15e82b8fa4/20240 (recorded zero)0% (recorded zero)UnknownRecorded
PAN_PRImexico/S15e82b8fa4/20240 (recorded zero)0% (recorded zero)UnknownRecorded
PAN_PRDmexico/S15e82b8fa4/20240 (recorded zero)0% (recorded zero)UnknownRecorded
PAN_NAYmexico/S15e82b8fa4/20240 (recorded zero)0% (recorded zero)UnknownRecorded
PRI_PRDmexico/S15e82b8fa4/20240 (recorded zero)0% (recorded zero)UnknownRecorded
PRI_NAYmexico/S15e82b8fa4/20240 (recorded zero)0% (recorded zero)UnknownRecorded
PRD_NAYmexico/S15e82b8fa4/20240 (recorded zero)0% (recorded zero)UnknownRecorded
PVEM_PTmexico/S15e82b8fa4/20240 (recorded zero)0% (recorded zero)UnknownRecorded
PVEM_MORENAmexico/S15e82b8fa4/20240 (recorded zero)0% (recorded zero)UnknownRecorded
PT_MORENAmexico/S15e82b8fa4/20240 (recorded zero)0% (recorded zero)UnknownRecorded

2021

Special · Legal certification not established · candidate marks

  • PRI_NAY51.7%
  • PAN_PRD47.6%
  • MORENA0.1%
  • PAN0.0%
  • PRI0.0%
  • PRD0.0%
  • PVEM0.0%
  • PT0.0%
  • MC0.0%
  • PES0.0%
  • RSP0.0%
  • FXM0.0%
  • NAY0.0%
  • CAND_IND10.0%
  • PAN_PRD_NAY0.0%
  • PAN_NAY0.0%
  • PRD_NAY0.0%
  • PRI_PRD_NAY0.0%
  • PRI_PRD0.0%
  • PRD_NAY_20.0%
Results for event-f04a6806eb236223610fae90
Label / candidateParty codeVotesShareSeatsStatus
PRI_NAYmexico/Sab29ec3a45/20211,60051.7%UnknownRecorded
PAN_PRDmexico/Sab29ec3a45/20211,47247.6%UnknownRecorded
MORENAmexico/Sab29ec3a45/202130.1%UnknownRecorded
PANmexico/Sab29ec3a45/20210 (recorded zero)0% (recorded zero)UnknownRecorded
PRImexico/Sab29ec3a45/20210 (recorded zero)0% (recorded zero)UnknownRecorded
PRDmexico/Sab29ec3a45/20210 (recorded zero)0% (recorded zero)UnknownRecorded
PVEMmexico/Sab29ec3a45/20210 (recorded zero)0% (recorded zero)UnknownRecorded
PTmexico/Sab29ec3a45/20210 (recorded zero)0% (recorded zero)UnknownRecorded
MCmexico/Sab29ec3a45/20210 (recorded zero)0% (recorded zero)UnknownRecorded
PESmexico/Sab29ec3a45/20210 (recorded zero)0% (recorded zero)UnknownRecorded
RSPmexico/Sab29ec3a45/20210 (recorded zero)0% (recorded zero)UnknownRecorded
FXMmexico/Sab29ec3a45/20210 (recorded zero)0% (recorded zero)UnknownRecorded
NAYmexico/Sab29ec3a45/20210 (recorded zero)0% (recorded zero)UnknownRecorded
CAND_IND1mexico/Sab29ec3a45/20210 (recorded zero)0% (recorded zero)UnknownRecorded
PAN_PRD_NAYmexico/Sab29ec3a45/20210 (recorded zero)0% (recorded zero)UnknownRecorded
PAN_NAYmexico/Sab29ec3a45/20210 (recorded zero)0% (recorded zero)UnknownRecorded
PRD_NAYmexico/Sab29ec3a45/20210 (recorded zero)0% (recorded zero)UnknownRecorded
PRI_PRD_NAYmexico/Sab29ec3a45/20210 (recorded zero)0% (recorded zero)UnknownRecorded
PRI_PRDmexico/Sab29ec3a45/20210 (recorded zero)0% (recorded zero)UnknownRecorded
PRD_NAY_2mexico/Sab29ec3a45/20210 (recorded zero)0% (recorded zero)UnknownRecorded

2018

Special · Legal certification not established · candidate marks

  • PRI52.1%
  • PRD40.2%
  • PAN4.9%
  • PT_MORENA_ES0.5%
  • PVEM0.2%
  • MC0.1%
Results for event-6704521d9d7f346f725fed8f
Label / candidateParty codeVotesShareSeatsStatus
PRImexico/Sc807018f18/20181,49352.1%UnknownRecorded
PRDmexico/Sc807018f18/20181,15240.2%UnknownRecorded
PANmexico/Sc807018f18/20181414.9%UnknownRecorded
PT_MORENA_ESmexico/Sc807018f18/2018130.5%UnknownRecorded
PVEMmexico/Sc807018f18/201860.2%UnknownRecorded
MCmexico/Sc807018f18/201820.1%UnknownRecorded

4. Competition and volatility

competition index

Provisional imported-series CI

2.390–100 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=28.4310618066561, oldest_gap=12.14820092625579, previous_gap=4.1626016260162615

pedersen volatility

Provisional volatility

18.32percentage 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=[[17.591125198098258,0.4120443740095087,0.31695721077654515,0,0,0,0,81.67987321711568],[0,0,0,0,0,0,0.0975609756097561,99.90243902439025],[5.023156394727467,53.18845742785892,41.04025650160313,0,0.21375133594584966,0.07125044531528323,0,0.46312789454934095]]

pedersen volatility

Provisional volatility

99.54percentage 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=[[17.591125198098258,0.4120443740095087,0.31695721077654515,0,0,0,0,81.67987321711568],[0,0,0,0,0,0,0.0975609756097561,99.90243902439025],[5.023156394727467,53.18845742785892,41.04025650160313,0,0.21375133594584966,0.07125044531528323,0,0.46312789454934095]]

pedersen volatility

Provisional volatility

58.93percentage 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=[[17.591125198098258,0.4120443740095087,0.31695721077654515,0,0,0,0,81.67987321711568],[0,0,0,0,0,0,0.0975609756097561,99.90243902439025],[5.023156394727467,53.18845742785892,41.04025650160313,0,0.21375133594584966,0.07125044531528323,0,0.46312789454934095]]

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. “TAHDZIU — Municipal government.” Subnational Election Observatory, releaselatin-america-fe5e91689def, snapshot 2026-09-13. /electiondatabase/offices/MX-M-31-73. Sources: mexico--url-3635e08ffbefd711526cbeea, mexico--S15e82b8fa4, mexico--Sab29ec3a45, mexico--Sc807018f18.