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

Office briefing

OTZOLOAPAN — Municipal government

Tracked current office. Identifiers stay separate from display names.

Mexico · OTZOLOAPAN / MEXICO · municipal · Municipal governmentMX-M-15-67

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
OTZOLOAPAN / MEXICO
Next election
2027-06-06
Linked upcoming event
next-35cd88ef3a35a151399de235
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

  • CC_PAN_PRI_PRD_NAEM49.9%
  • PT38.4%
  • MORENA2.2%
  • PVEM0.7%
  • MC0.5%
Results for event-22443d4fae1c32f370d2b9ad
Label / candidateParty codeVotesShareSeatsStatus
CC_PAN_PRI_PRD_NAEMmexico/S7beb5658ad/20241,47349.9%UnknownRecorded
PTmexico/S7beb5658ad/20241,13438.4%UnknownRecorded
MORENAmexico/S7beb5658ad/2024652.2%UnknownRecorded
PVEMmexico/S7beb5658ad/2024210.7%UnknownRecorded
MCmexico/S7beb5658ad/2024140.5%UnknownRecorded

2021

Special · Legal certification not established · candidate marks

  • PAN_PRI_PRD54.2%
  • FXM35.0%
  • PT_MORENA_NAEM5.8%
  • PVEM0.6%
  • RSP0.4%
  • MC0.0%
  • PES0.0%
Results for event-a353c3f31c2d04fa6d8348cb
Label / candidateParty codeVotesShareSeatsStatus
PAN_PRI_PRDmexico/Sb3c60fdd86/20211,67654.2%UnknownRecorded
FXMmexico/Sb3c60fdd86/20211,08235%UnknownRecorded
PT_MORENA_NAEMmexico/Sb3c60fdd86/20211805.8%UnknownRecorded
PVEMmexico/Sb3c60fdd86/2021180.6%UnknownRecorded
RSPmexico/Sb3c60fdd86/2021120.4%UnknownRecorded
MCmexico/Sb3c60fdd86/20210 (recorded zero)0% (recorded zero)UnknownRecorded
PESmexico/Sb3c60fdd86/20210 (recorded zero)0% (recorded zero)UnknownRecorded

2018

Special · Legal certification not established · candidate marks

  • PT50.4%
  • PRI46.1%
  • PAN_PRD_MC1.1%
  • MORENA0.6%
  • ES0.0%
Results for event-74b58b7aefda9f2dfab25f1f
Label / candidateParty codeVotesShareSeatsStatus
PTmexico/S8ff9227ec1/20181,81050.4%UnknownRecorded
PRImexico/S8ff9227ec1/20181,65546.1%UnknownRecorded
PAN_PRD_MCmexico/S8ff9227ec1/2018381.1%UnknownRecorded
MORENAmexico/S8ff9227ec1/2018230.6%UnknownRecorded
ESmexico/S8ff9227ec1/20180 (recorded zero)0% (recorded zero)UnknownRecorded

4. Competition and volatility

competition index

Provisional imported-series CI

30.210–100 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=12.523088289619508, oldest_gap=4.395916052183779, previous_gap=20.01347708894879

pedersen volatility

Provisional volatility

44.98percentage 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=[[0,0,0,41.891392685629846,0.7757665312153675,0.5171776874769117,2.4011821204285186,54.414480975249354],[0,0,0,0,0.6064690026954178,0,0,99.3935309973046],[0,46.93703913783324,0,51.33295519001702,0,0,0.6522972206466251,1.0777084515031197]]

pedersen volatility

Provisional volatility

98.92percentage 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=[[0,0,0,41.891392685629846,0.7757665312153675,0.5171776874769117,2.4011821204285186,54.414480975249354],[0,0,0,0,0.6064690026954178,0,0,99.3935309973046],[0,46.93703913783324,0,51.33295519001702,0,0,0.6522972206466251,1.0777084515031197]]

pedersen volatility

Provisional volatility

71.95percentage 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=[[0,0,0,41.891392685629846,0.7757665312153675,0.5171776874769117,2.4011821204285186,54.414480975249354],[0,0,0,0,0.6064690026954178,0,0,99.3935309973046],[0,46.93703913783324,0,51.33295519001702,0,0,0.6522972206466251,1.0777084515031197]]

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. “OTZOLOAPAN — Municipal government.” Subnational Election Observatory, releaselatin-america-fe5e91689def, snapshot 2026-09-13. /electiondatabase/offices/MX-M-15-67. Sources: mexico--url-3635e08ffbefd711526cbeea, mexico--S7beb5658ad, mexico--Sb3c60fdd86, mexico--S8ff9227ec1.