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

Office briefing

MATACHI — Municipal government

Tracked current office. Identifiers stay separate from display names.

Mexico · MATACHI / CHIHUAHUA · municipal · Municipal governmentMX-M-8-43

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
MATACHI / CHIHUAHUA
Next election
2027-06-06
Linked upcoming event
next-15d18e518f08d8d62e6643ef
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

  • PT_MORENA43.3%
  • PAN_PRI_PRD38.5%
  • MC12.6%
  • MRCH1.8%
Results for event-3cc61bacb72d402079fbddcb
Label / candidateParty codeVotesShareSeatsStatus
PT_MORENAmexico/S6f2b00c223/202473043.3%UnknownRecorded
PAN_PRI_PRDmexico/S6f2b00c223/202464938.5%UnknownRecorded
MCmexico/S6f2b00c223/202421312.6%UnknownRecorded
MRCHmexico/S6f2b00c223/2024311.8%UnknownRecorded

2021

Special · Legal certification not established · candidate marks

  • PRI36.4%
  • NACH28.8%
  • MORENA16.5%
  • PAN11.6%
  • PES1.2%
  • PT0.9%
  • MC0.7%
  • PRD0.2%
Results for event-2daa9b188e3538311a03afcb
Label / candidateParty codeVotesShareSeatsStatus
PRImexico/S5c77bcb2f7/202158736.4%UnknownRecorded
NACHmexico/S5c77bcb2f7/202146428.8%UnknownRecorded
MORENAmexico/S5c77bcb2f7/202126616.5%UnknownRecorded
PANmexico/S5c77bcb2f7/202118711.6%UnknownRecorded
PESmexico/S5c77bcb2f7/2021201.2%UnknownRecorded
PTmexico/S5c77bcb2f7/2021150.9%UnknownRecorded
MCmexico/S5c77bcb2f7/2021120.7%UnknownRecorded
PRDmexico/S5c77bcb2f7/202140.2%UnknownRecorded

2018

Special · Legal certification not established · candidate marks

  • PRI33.5%
  • PT_MORENA_ES31.7%
  • PAN_MC19.3%
  • PANAL11.5%
Results for event-c4e489475fff49574653ae7c
Label / candidateParty codeVotesShareSeatsStatus
PRImexico/Sa4e6023801/201857633.5%UnknownRecorded
PT_MORENA_ESmexico/Sa4e6023801/201854431.7%UnknownRecorded
PAN_MCmexico/Sa4e6023801/201833219.3%UnknownRecorded
PANALmexico/Sa4e6023801/201819811.5%UnknownRecorded

4. Competition and volatility

competition index

Provisional imported-series CI

72.190–100 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=4.990757855822551, oldest_gap=1.9393939393939377, previous_gap=7.9099678456591604

pedersen volatility

Provisional volatility

68.1percentage 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=[[0,0,0,0,0,13.123844731977819,0,86.87615526802217],[12.02572347266881,37.749196141479096,0.2572347266881029,0.9646302250803859,0,0.7717041800643086,17.106109324758844,31.125401929260452],[0,34.90909090909091,0,0,0,0,0,65.0909090909091]]

pedersen volatility

Provisional volatility

33.97percentage 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=[[0,0,0,0,0,13.123844731977819,0,86.87615526802217],[12.02572347266881,37.749196141479096,0.2572347266881029,0.9646302250803859,0,0.7717041800643086,17.106109324758844,31.125401929260452],[0,34.90909090909091,0,0,0,0,0,65.0909090909091]]

pedersen volatility

Provisional volatility

51.03percentage 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=[[0,0,0,0,0,13.123844731977819,0,86.87615526802217],[12.02572347266881,37.749196141479096,0.2572347266881029,0.9646302250803859,0,0.7717041800643086,17.106109324758844,31.125401929260452],[0,34.90909090909091,0,0,0,0,0,65.0909090909091]]

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. “MATACHI — Municipal government.” Subnational Election Observatory, releaselatin-america-fe5e91689def, snapshot 2026-09-13. /electiondatabase/offices/MX-M-8-43. Sources: mexico--url-3635e08ffbefd711526cbeea, mexico--S6f2b00c223, mexico--S5c77bcb2f7, mexico--Sa4e6023801.