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

Office briefing

ILIATENCO — Municipal government

Tracked current office. Identifiers stay separate from display names.

Mexico · ILIATENCO / GUERRERO · municipal · Municipal governmentMX-M-12-78

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
ILIATENCO / GUERRERO
Next election
2027-06-06
Linked upcoming event
next-162ec961e989c1373c204119
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

  • MC25.4%
  • PES18.7%
  • PT15.8%
  • PVEM11.8%
  • MORENA9.5%
  • PRD7.9%
  • PRI6.1%
Results for event-27fc962e8817d8d354b47622
Label / candidateParty codeVotesShareSeatsStatus
MCmexico/S90736dfc5e/20241,33125.4%UnknownRecorded
PESmexico/S90736dfc5e/202498418.7%UnknownRecorded
PTmexico/S90736dfc5e/202483115.8%UnknownRecorded
PVEMmexico/S90736dfc5e/202462111.8%UnknownRecorded
MORENAmexico/S90736dfc5e/20245009.5%UnknownRecorded
PRDmexico/S90736dfc5e/20244167.9%UnknownRecorded
PRImexico/S90736dfc5e/20243206.1%UnknownRecorded

2021

Special · Legal certification not established · candidate marks

  • PT51.3%
  • MC41.7%
  • PVEM_MORENA5.2%
  • PRI0.2%
  • PAN0.2%
Results for event-be5ce37318ab76909f4ef32d
Label / candidateParty codeVotesShareSeatsStatus
PTmexico/Scc8fdd7756/20212,66451.3%UnknownRecorded
MCmexico/Scc8fdd7756/20212,16541.7%UnknownRecorded
PVEM_MORENAmexico/Scc8fdd7756/20212725.2%UnknownRecorded
PRImexico/Scc8fdd7756/202190.2%UnknownRecorded
PANmexico/Scc8fdd7756/202180.2%UnknownRecorded

2018

Special · Legal certification not established · candidate marks

  • PAN_PRD_MC34.0%
  • IHG27.5%
  • PVEM18.1%
  • CAND_IND97.7%
  • MORENA_ES5.0%
  • PSM1.0%
  • PT1.0%
  • PPG0.5%
  • PRI0.3%
Results for event-07576a00f10144edc686113e
Label / candidateParty codeVotesShareSeatsStatus
PAN_PRD_MCmexico/Sfa3032e434/20181,73034%UnknownRecorded
IHGmexico/Sfa3032e434/20181,39827.5%UnknownRecorded
PVEMmexico/Sfa3032e434/201892118.1%UnknownRecorded
CAND_IND9mexico/Sfa3032e434/20183947.7%UnknownRecorded
MORENA_ESmexico/Sfa3032e434/20182555%UnknownRecorded
PSMmexico/Sfa3032e434/2018531%UnknownRecorded
PTmexico/Sfa3032e434/2018521%UnknownRecorded
PPGmexico/Sfa3032e434/2018260.5%UnknownRecorded
PRImexico/Sfa3032e434/2018160.3%UnknownRecorded

4. Competition and volatility

competition index

Provisional imported-series CI

61.140–100 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=6.935838496901859, oldest_gap=6.8524251805985585, previous_gap=9.749902305588122

pedersen volatility

Provisional volatility

51.3percentage 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=[[0,6.396162302618429,8.315010993403957,16.610033979612233,12.41255246851889,26.60403757745353,9.994003597841296,19.66819908055167],[0.15631105900742479,0.17584994138335286,0,52.05158264947245,0,42.30168034388433,0,5.314576006252443],[0,0.3302373581011352,0,1.0732714138286894,19.009287925696594,0,0,79.5872033023736]]

pedersen volatility

Provisional volatility

93.44percentage 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=[[0,6.396162302618429,8.315010993403957,16.610033979612233,12.41255246851889,26.60403757745353,9.994003597841296,19.66819908055167],[0.15631105900742479,0.17584994138335286,0,52.05158264947245,0,42.30168034388433,0,5.314576006252443],[0,0.3302373581011352,0,1.0732714138286894,19.009287925696594,0,0,79.5872033023736]]

pedersen volatility

Provisional volatility

72.37percentage 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=[[0,6.396162302618429,8.315010993403957,16.610033979612233,12.41255246851889,26.60403757745353,9.994003597841296,19.66819908055167],[0.15631105900742479,0.17584994138335286,0,52.05158264947245,0,42.30168034388433,0,5.314576006252443],[0,0.3302373581011352,0,1.0732714138286894,19.009287925696594,0,0,79.5872033023736]]

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. “ILIATENCO — Municipal government.” Subnational Election Observatory, releaselatin-america-fe5e91689def, snapshot 2026-09-13. /electiondatabase/offices/MX-M-12-78. Sources: mexico--url-3635e08ffbefd711526cbeea, mexico--S90736dfc5e, mexico--Scc8fdd7756, mexico--Sfa3032e434.