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

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Office briefing

ZACUALPAN DE AMILPAS — Municipal government

Tracked current office. Identifiers stay separate from display names.

Mexico · ZACUALPAN DE AMILPAS / MORELOS · municipal · Municipal governmentMX-M-17-32

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
ZACUALPAN DE AMILPAS / MORELOS
Next election
2027-06-06
Linked upcoming event
next-c5235ccda56266e9b87e2d6f
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

  • PT30.2%
  • MORENA30.0%
  • PVEM17.2%
  • MAS11.7%
  • MC_PROGRESA7.6%
  • PAN_PRI_PRD_RSPM0.7%
  • PES0.1%
  • PNAM0.1%
Results for event-f63e50a8604005769e7620b9
Label / candidateParty codeVotesShareSeatsStatus
PTmexico/Sea9b8d53b3/20241,87030.2%UnknownRecorded
MORENAmexico/Sea9b8d53b3/20241,86330%UnknownRecorded
PVEMmexico/Sea9b8d53b3/20241,06917.2%UnknownRecorded
MASmexico/Sea9b8d53b3/202472311.7%UnknownRecorded
MC_PROGRESAmexico/Sea9b8d53b3/20244747.6%UnknownRecorded
PAN_PRI_PRD_RSPMmexico/Sea9b8d53b3/2024460.7%UnknownRecorded
PESmexico/Sea9b8d53b3/202480.1%UnknownRecorded
PNAMmexico/Sea9b8d53b3/202470.1%UnknownRecorded

2021

Special · Legal certification not established · candidate marks

  • PES23.2%
  • PT22.5%
  • MAS15.9%
  • RSP15.3%
  • RPM9.7%
  • MORENA8.0%
  • FXM1.8%
  • PAN_PHM0.4%
  • MC0.2%
  • PVEM0.1%
  • PESM0.1%
  • BC0.1%
  • PRI_PRD0.1%
  • PANALM0.0%
  • PSD0.0%
  • PODEMOS0.0%
  • MP0.0%
  • FUTURO0.0%
  • FM0.0%
  • PAS0.0%
  • APM0.0%
Results for event-5b53a3c83b8c8dbff9e6a26f
Label / candidateParty codeVotesShareSeatsStatus
PESmexico/S752c8291dd/20211,34123.2%UnknownRecorded
PTmexico/S752c8291dd/20211,30222.5%UnknownRecorded
MASmexico/S752c8291dd/202191815.9%UnknownRecorded
RSPmexico/S752c8291dd/202188415.3%UnknownRecorded
RPMmexico/S752c8291dd/20215599.7%UnknownRecorded
MORENAmexico/S752c8291dd/20214638%UnknownRecorded
FXMmexico/S752c8291dd/20211021.8%UnknownRecorded
PAN_PHMmexico/S752c8291dd/2021250.4%UnknownRecorded
MCmexico/S752c8291dd/2021120.2%UnknownRecorded
PVEMmexico/S752c8291dd/202150.1%UnknownRecorded
PESMmexico/S752c8291dd/202150.1%UnknownRecorded
BCmexico/S752c8291dd/202150.1%UnknownRecorded
PRI_PRDmexico/S752c8291dd/202150.1%UnknownRecorded
PANALMmexico/S752c8291dd/202110%UnknownRecorded
PSDmexico/S752c8291dd/20210 (recorded zero)0% (recorded zero)UnknownRecorded
PODEMOSmexico/S752c8291dd/20210 (recorded zero)0% (recorded zero)UnknownRecorded
MPmexico/S752c8291dd/20210 (recorded zero)0% (recorded zero)UnknownRecorded
FUTUROmexico/S752c8291dd/20210 (recorded zero)0% (recorded zero)UnknownRecorded
FMmexico/S752c8291dd/20210 (recorded zero)0% (recorded zero)UnknownRecorded
PASmexico/S752c8291dd/20210 (recorded zero)0% (recorded zero)UnknownRecorded
APMmexico/S752c8291dd/20210 (recorded zero)0% (recorded zero)UnknownRecorded

2018

Special · Legal certification not established · candidate marks

  • PAN_MC41.5%
  • CAND_IND2924.5%
  • HUMANISTA21.6%
  • PVEM5.3%
  • PRI2.1%
  • PT_MORENA_ES2.0%
  • PANAL0.5%
  • PRD0.2%
  • PSD0.0%
Results for event-93fc9e74a23d09b3a8d72f01
Label / candidateParty codeVotesShareSeatsStatus
PAN_MCmexico/Se54714a1dd/20182,51441.5%UnknownRecorded
CAND_IND29mexico/Se54714a1dd/20181,48424.5%UnknownRecorded
HUMANISTAmexico/Se54714a1dd/20181,30921.6%UnknownRecorded
PVEMmexico/Se54714a1dd/20183215.3%UnknownRecorded
PRImexico/Se54714a1dd/20181252.1%UnknownRecorded
PT_MORENA_ESmexico/Se54714a1dd/20181212%UnknownRecorded
PANALmexico/Se54714a1dd/2018310.5%UnknownRecorded
PRDmexico/Se54714a1dd/2018130.2%UnknownRecorded
PSDmexico/Se54714a1dd/201810%UnknownRecorded

4. Competition and volatility

competition index

Provisional imported-series CI

89.910–100 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=0.11551155115511236, oldest_gap=17.401588106099002, previous_gap=0.6930869024346897

pedersen volatility

Provisional volatility

47.79percentage 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: Latest interval

Method pedersen.grouped.v1. Inputs: groups=["PAN","PRI","PRD","PT","PVEM","MC","MORENA","Other"], interval=Latest interval, vectors=[[0,0,0,30.858085808580856,17.64026402640264,0,30.742574257425744,20.75907590759076],[0,0,0,23.13843966589657,0.0888572951839346,0.21325750844144303,8.228185534032344,68.33125999644567],[0,2.111843216759588,0.21963169454299714,0,5.423213380638622,0,0,92.24531170805881]]

pedersen volatility

Provisional volatility

31.58percentage 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: Previous interval

Method pedersen.grouped.v1. Inputs: groups=["PAN","PRI","PRD","PT","PVEM","MC","MORENA","Other"], interval=Previous interval, vectors=[[0,0,0,30.858085808580856,17.64026402640264,0,30.742574257425744,20.75907590759076],[0,0,0,23.13843966589657,0.0888572951839346,0.21325750844144303,8.228185534032344,68.33125999644567],[0,2.111843216759588,0.21963169454299714,0,5.423213380638622,0,0,92.24531170805881]]

pedersen volatility

Provisional volatility

39.68percentage 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=[[0,0,0,30.858085808580856,17.64026402640264,0,30.742574257425744,20.75907590759076],[0,0,0,23.13843966589657,0.0888572951839346,0.21325750844144303,8.228185534032344,68.33125999644567],[0,2.111843216759588,0.21963169454299714,0,5.423213380638622,0,0,92.24531170805881]]

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. “ZACUALPAN DE AMILPAS — Municipal government.” Subnational Election Observatory, releaselatin-america-fe5e91689def, snapshot 2026-09-13. /electiondatabase/offices/MX-M-17-32. Sources: mexico--url-3635e08ffbefd711526cbeea, mexico--Sea9b8d53b3, mexico--S752c8291dd, mexico--Se54714a1dd.