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

Office briefing

ISLA MUJERES — Municipal government

Tracked current office. Identifiers stay separate from display names.

Mexico · ISLA MUJERES / QUINTANA ROO · municipal · Municipal governmentMX-M-23-4

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
ISLA MUJERES / QUINTANA ROO
Next election
2027-06-06
Linked upcoming event
next-61fe3f690f701dfa3bb60df1
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

  • PVEM_PT_MORENA80.4%
  • PAN_PRI8.1%
  • PRD5.5%
  • MAS1.6%
  • MC1.4%
Results for event-5f3362ee48de400a33bbb39d
Label / candidateParty codeVotesShareSeatsStatus
PVEM_PT_MORENAmexico/S1ec6a8dfc6/202412,38680.4%UnknownRecorded
PAN_PRImexico/S1ec6a8dfc6/20241,2448.1%UnknownRecorded
PRDmexico/S1ec6a8dfc6/20248545.5%UnknownRecorded
MASmexico/S1ec6a8dfc6/20242471.6%UnknownRecorded
MCmexico/S1ec6a8dfc6/20242211.4%UnknownRecorded

2021

Special · Legal certification not established · candidate marks

  • PAN_PRI_PRD_CQROO54.8%
  • PVEM_PT_MORENA_MAS39.3%
  • PES1.2%
  • MC0.9%
  • RSP0.8%
  • FXM0.5%
  • PAN0.0%
  • PRI0.0%
  • PRD0.0%
  • PVEM0.0%
  • PT0.0%
  • MORENA0.0%
  • MAS0.0%
  • CQROO0.0%
  • PAN_PRD_CQROO0.0%
  • CAND_IND10.0%
  • CAND_IND20.0%
  • CAND_IND30.0%
  • CAND_IND40.0%
Results for event-749e2cb7a90f65442a613c65
Label / candidateParty codeVotesShareSeatsStatus
PAN_PRI_PRD_CQROOmexico/Sb9b6567896/20217,38254.8%UnknownRecorded
PVEM_PT_MORENA_MASmexico/Sb9b6567896/20215,28639.3%UnknownRecorded
PESmexico/Sb9b6567896/20211661.2%UnknownRecorded
MCmexico/Sb9b6567896/20211240.9%UnknownRecorded
RSPmexico/Sb9b6567896/20211100.8%UnknownRecorded
FXMmexico/Sb9b6567896/2021710.5%UnknownRecorded
PANmexico/Sb9b6567896/20210 (recorded zero)0% (recorded zero)UnknownRecorded
PRImexico/Sb9b6567896/20210 (recorded zero)0% (recorded zero)UnknownRecorded
PRDmexico/Sb9b6567896/20210 (recorded zero)0% (recorded zero)UnknownRecorded
PVEMmexico/Sb9b6567896/20210 (recorded zero)0% (recorded zero)UnknownRecorded
PTmexico/Sb9b6567896/20210 (recorded zero)0% (recorded zero)UnknownRecorded
MORENAmexico/Sb9b6567896/20210 (recorded zero)0% (recorded zero)UnknownRecorded
MASmexico/Sb9b6567896/20210 (recorded zero)0% (recorded zero)UnknownRecorded
CQROOmexico/Sb9b6567896/20210 (recorded zero)0% (recorded zero)UnknownRecorded
PAN_PRD_CQROOmexico/Sb9b6567896/20210 (recorded zero)0% (recorded zero)UnknownRecorded
CAND_IND1mexico/Sb9b6567896/20210 (recorded zero)0% (recorded zero)UnknownRecorded
CAND_IND2mexico/Sb9b6567896/20210 (recorded zero)0% (recorded zero)UnknownRecorded
CAND_IND3mexico/Sb9b6567896/20210 (recorded zero)0% (recorded zero)UnknownRecorded
CAND_IND4mexico/Sb9b6567896/20210 (recorded zero)0% (recorded zero)UnknownRecorded

2018

Special · Legal certification not established · candidate marks

  • PRI43.8%
  • PT_MORENA30.4%
  • PAN_PRD_MC18.7%
  • ES3.2%
  • PANAL0.7%
Results for event-24d52c896bdc6f367bcfaf26
Label / candidateParty codeVotesShareSeatsStatus
PRImexico/Sf9ded2fa89/20185,57043.8%UnknownRecorded
PT_MORENAmexico/Sf9ded2fa89/20183,86230.4%UnknownRecorded
PAN_PRD_MCmexico/Sf9ded2fa89/20182,37118.7%UnknownRecorded
ESmexico/Sf9ded2fa89/20184013.2%UnknownRecorded
PANALmexico/Sf9ded2fa89/2018850.7%UnknownRecorded

4. Competition and volatility

competition index

Provisional imported-series CI

0 (recorded zero)0–100 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=74.51845906902088, oldest_gap=13.898608511677107, previous_gap=15.952507801202529

pedersen volatility

Provisional volatility

6.25percentage 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=[[0,0,5.711610486891386,0,0,1.4780631353665061,0,92.8103263777421],[0,0,0,0,0,0.9437552325138899,0,99.05624476748612],[0,45.32508747660509,0,0,0,0,0,54.67491252339491]]

pedersen volatility

Provisional volatility

45.33percentage 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=[[0,0,5.711610486891386,0,0,1.4780631353665061,0,92.8103263777421],[0,0,0,0,0,0.9437552325138899,0,99.05624476748612],[0,45.32508747660509,0,0,0,0,0,54.67491252339491]]

pedersen volatility

Provisional volatility

25.79percentage 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=[[0,0,5.711610486891386,0,0,1.4780631353665061,0,92.8103263777421],[0,0,0,0,0,0.9437552325138899,0,99.05624476748612],[0,45.32508747660509,0,0,0,0,0,54.67491252339491]]

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. “ISLA MUJERES — Municipal government.” Subnational Election Observatory, releaselatin-america-fe5e91689def, snapshot 2026-09-13. /electiondatabase/offices/MX-M-23-4. Sources: mexico--url-3635e08ffbefd711526cbeea, mexico--S1ec6a8dfc6, mexico--Sb9b6567896, mexico--Sf9ded2fa89.