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

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Office briefing

MIACATLAN — Municipal government

Tracked current office. Identifiers stay separate from display names.

Mexico · MIACATLAN / MORELOS · municipal · Municipal governmentMX-M-17-15

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
MIACATLAN / MORELOS
Next election
2027-06-06
Linked upcoming event
next-e353b9d78896826326f9a257
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

  • MORENA56.4%
  • MC_PROGRESA36.6%
  • PAN_PRI_PRD_RSPM2.7%
  • PNAM0.5%
  • PVEM0.5%
  • PT0.3%
  • PES0.1%
  • MAS0.0%
Results for event-99402e15c7b435558b2057db
Label / candidateParty codeVotesShareSeatsStatus
MORENAmexico/S93b46a9a92/20245,12356.4%UnknownRecorded
MC_PROGRESAmexico/S93b46a9a92/20243,32236.6%UnknownRecorded
PAN_PRI_PRD_RSPMmexico/S93b46a9a92/20242422.7%UnknownRecorded
PNAMmexico/S93b46a9a92/2024460.5%UnknownRecorded
PVEMmexico/S93b46a9a92/2024430.5%UnknownRecorded
PTmexico/S93b46a9a92/2024310.3%UnknownRecorded
PESmexico/S93b46a9a92/202450.1%UnknownRecorded
MASmexico/S93b46a9a92/202440%UnknownRecorded

2021

Special · Legal certification not established · candidate marks

  • PRI_PRD36.6%
  • RSP20.7%
  • PESM20.1%
  • PAN10.2%
  • MORENA4.6%
  • RPM3.9%
  • MC0.5%
  • PT0.3%
  • PSD0.3%
  • PVEM0.1%
  • PANALM0.1%
  • PODEMOS0.1%
  • PES0.1%
  • FUTURO0.1%
  • FXM0.1%
  • PHM0.1%
  • MAS0.0%
  • BC0.0%
  • MP0.0%
  • FM0.0%
  • PAS0.0%
  • APM0.0%
Results for event-ef4b8c914dc5d2d8d21cf77f
Label / candidateParty codeVotesShareSeatsStatus
PRI_PRDmexico/S0fb4334629/20213,18136.6%UnknownRecorded
RSPmexico/S0fb4334629/20211,80120.7%UnknownRecorded
PESMmexico/S0fb4334629/20211,74920.1%UnknownRecorded
PANmexico/S0fb4334629/202189010.2%UnknownRecorded
MORENAmexico/S0fb4334629/20214014.6%UnknownRecorded
RPMmexico/S0fb4334629/20213393.9%UnknownRecorded
MCmexico/S0fb4334629/2021410.5%UnknownRecorded
PTmexico/S0fb4334629/2021280.3%UnknownRecorded
PSDmexico/S0fb4334629/2021240.3%UnknownRecorded
PVEMmexico/S0fb4334629/2021120.1%UnknownRecorded
PANALMmexico/S0fb4334629/2021100.1%UnknownRecorded
PODEMOSmexico/S0fb4334629/2021100.1%UnknownRecorded
PESmexico/S0fb4334629/2021100.1%UnknownRecorded
FUTUROmexico/S0fb4334629/202160.1%UnknownRecorded
FXMmexico/S0fb4334629/202160.1%UnknownRecorded
PHMmexico/S0fb4334629/202150.1%UnknownRecorded
MASmexico/S0fb4334629/202130%UnknownRecorded
BCmexico/S0fb4334629/202130%UnknownRecorded
MPmexico/S0fb4334629/202120%UnknownRecorded
FMmexico/S0fb4334629/20210 (recorded zero)0% (recorded zero)UnknownRecorded
PASmexico/S0fb4334629/20210 (recorded zero)0% (recorded zero)UnknownRecorded
APMmexico/S0fb4334629/20210 (recorded zero)0% (recorded zero)UnknownRecorded

2018

Special · Legal certification not established · candidate marks

  • PRD_PSD44.8%
  • PT_MORENA_ES32.8%
  • PRI16.3%
  • HUMANISTA0.8%
  • MC0.7%
  • PANAL0.5%
  • PAN0.3%
  • PVEM0.3%
Results for event-263e72e9ff1eb86fb29369f0
Label / candidateParty codeVotesShareSeatsStatus
PRD_PSDmexico/S9f510a06f8/20186,11744.8%UnknownRecorded
PT_MORENA_ESmexico/S9f510a06f8/20184,48332.8%UnknownRecorded
PRImexico/S9f510a06f8/20182,23216.3%UnknownRecorded
HUMANISTAmexico/S9f510a06f8/20181070.8%UnknownRecorded
MCmexico/S9f510a06f8/2018920.7%UnknownRecorded
PANALmexico/S9f510a06f8/2018690.5%UnknownRecorded
PANmexico/S9f510a06f8/2018430.3%UnknownRecorded
PVEMmexico/S9f510a06f8/2018370.3%UnknownRecorded

4. Competition and volatility

competition index

Provisional imported-series CI

8.220–100 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=20.42876588021779, oldest_gap=12.397572078907437, previous_gap=16.19528224386809

pedersen volatility

Provisional volatility

53.77percentage 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=[[0,0,0,0.35163339382940106,0.48774954627949185,0,58.11025408348458,41.05036297640653],[10.444783476117827,0,0,0.32859992958572937,0.14082854125102687,0.48116418260767513,4.706020420138481,83.89860345029926],[0.3262518968133536,16.93474962063733,0,0,0.28072837632776937,0.6980273141122914,0,81.76024279210927]]

pedersen volatility

Provisional volatility

17.29percentage 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=[[0,0,0,0.35163339382940106,0.48774954627949185,0,58.11025408348458,41.05036297640653],[10.444783476117827,0,0,0.32859992958572937,0.14082854125102687,0.48116418260767513,4.706020420138481,83.89860345029926],[0.3262518968133536,16.93474962063733,0,0,0.28072837632776937,0.6980273141122914,0,81.76024279210927]]

pedersen volatility

Provisional volatility

35.53percentage 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=[[0,0,0,0.35163339382940106,0.48774954627949185,0,58.11025408348458,41.05036297640653],[10.444783476117827,0,0,0.32859992958572937,0.14082854125102687,0.48116418260767513,4.706020420138481,83.89860345029926],[0.3262518968133536,16.93474962063733,0,0,0.28072837632776937,0.6980273141122914,0,81.76024279210927]]

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. “MIACATLAN — Municipal government.” Subnational Election Observatory, releaselatin-america-fe5e91689def, snapshot 2026-09-13. /electiondatabase/offices/MX-M-17-15. Sources: mexico--url-3635e08ffbefd711526cbeea, mexico--S93b46a9a92, mexico--S0fb4334629, mexico--S9f510a06f8.