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

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Office briefing

XONACATLAN — Municipal government

Tracked current office. Identifiers stay separate from display names.

Mexico · XONACATLAN / MEXICO · municipal · Municipal governmentMX-M-15-116

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
XONACATLAN / MEXICO
Next election
2027-06-06
Linked upcoming event
next-d52fe71b72f7ffeeeec01990
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

  • MC25.7%
  • PVEM21.9%
  • CC_PAN_PRI_PRD_NAEM18.9%
  • MORENA18.2%
  • PT8.7%
  • CAND_IND83.4%
Results for event-06a956bb1b04b9d647b57a6d
Label / candidateParty codeVotesShareSeatsStatus
MCmexico/S03b3418f61/20248,79525.7%UnknownRecorded
PVEMmexico/S03b3418f61/20247,48521.9%UnknownRecorded
CC_PAN_PRI_PRD_NAEMmexico/S03b3418f61/20246,45018.9%UnknownRecorded
MORENAmexico/S03b3418f61/20246,23318.2%UnknownRecorded
PTmexico/S03b3418f61/20242,9858.7%UnknownRecorded
CAND_IND8mexico/S03b3418f61/20241,1563.4%UnknownRecorded

2021

Special · Legal certification not established · candidate marks

  • PT_MORENA_NAEM24.7%
  • MC19.2%
  • PAN13.1%
  • FXM12.9%
  • PRI11.7%
  • PVEM7.9%
  • PRD7.0%
  • PES0.8%
  • RSP0.4%
Results for event-3a1b57b86a2ce964531bd409
Label / candidateParty codeVotesShareSeatsStatus
PT_MORENA_NAEMmexico/Sbbf9b5bc9b/20217,15424.7%UnknownRecorded
MCmexico/Sbbf9b5bc9b/20215,58319.2%UnknownRecorded
PANmexico/Sbbf9b5bc9b/20213,80713.1%UnknownRecorded
FXMmexico/Sbbf9b5bc9b/20213,75412.9%UnknownRecorded
PRImexico/Sbbf9b5bc9b/20213,39711.7%UnknownRecorded
PVEMmexico/Sbbf9b5bc9b/20212,2797.9%UnknownRecorded
PRDmexico/Sbbf9b5bc9b/20212,0377%UnknownRecorded
PESmexico/Sbbf9b5bc9b/20212440.8%UnknownRecorded
RSPmexico/Sbbf9b5bc9b/20211220.4%UnknownRecorded

2018

Special · Legal certification not established · candidate marks

  • MC19.5%
  • PRI16.2%
  • MORENA14.5%
  • PT13.0%
  • PRD12.4%
  • PVEM8.0%
  • CAND_IND164.9%
  • CAND_IND153.5%
  • VR2.0%
  • PANAL1.1%
  • ES1.0%
  • PAN0.9%
Results for event-8441d2b46aab899c8fc57a4e
Label / candidateParty codeVotesShareSeatsStatus
MCmexico/S204584b915/20186,05919.5%UnknownRecorded
PRImexico/S204584b915/20185,02016.2%UnknownRecorded
MORENAmexico/S204584b915/20184,48214.5%UnknownRecorded
PTmexico/S204584b915/20184,03613%UnknownRecorded
PRDmexico/S204584b915/20183,84312.4%UnknownRecorded
PVEMmexico/S204584b915/20182,4818%UnknownRecorded
CAND_IND16mexico/S204584b915/20181,5254.9%UnknownRecorded
CAND_IND15mexico/S204584b915/20181,0753.5%UnknownRecorded
VRmexico/S204584b915/20186192%UnknownRecorded
PANALmexico/S204584b915/20183261.1%UnknownRecorded
ESmexico/S204584b915/20182961%UnknownRecorded
PANmexico/S204584b915/20182920.9%UnknownRecorded

4. Competition and volatility

competition index

Provisional imported-series CI

78.10–100 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=3.957225712904787, oldest_gap=3.4571105343714628, previous_gap=5.536173661768334

pedersen volatility

Provisional volatility

49.32percentage 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=[[0,0,0,9.017037216046399,22.610560657322377,26.567786370227164,18.828540357660707,22.976075398743355],[13.415794481446241,11.970962399126053,7.178348662649329,0,8.031151989287098,19.67438418437467,0,39.72935828311661],[0.9715844812670527,16.703267451919878,12.786983429826313,13.429160843814467,8.25514074665602,20.16037798629134,14.913156318626472,12.780328741598456]]

pedersen volatility

Provisional volatility

39.39percentage 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=[[0,0,0,9.017037216046399,22.610560657322377,26.567786370227164,18.828540357660707,22.976075398743355],[13.415794481446241,11.970962399126053,7.178348662649329,0,8.031151989287098,19.67438418437467,0,39.72935828311661],[0.9715844812670527,16.703267451919878,12.786983429826313,13.429160843814467,8.25514074665602,20.16037798629134,14.913156318626472,12.780328741598456]]

pedersen volatility

Provisional volatility

44.36percentage 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=[[0,0,0,9.017037216046399,22.610560657322377,26.567786370227164,18.828540357660707,22.976075398743355],[13.415794481446241,11.970962399126053,7.178348662649329,0,8.031151989287098,19.67438418437467,0,39.72935828311661],[0.9715844812670527,16.703267451919878,12.786983429826313,13.429160843814467,8.25514074665602,20.16037798629134,14.913156318626472,12.780328741598456]]

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. “XONACATLAN — Municipal government.” Subnational Election Observatory, releaselatin-america-fe5e91689def, snapshot 2026-09-13. /electiondatabase/offices/MX-M-15-116. Sources: mexico--url-3635e08ffbefd711526cbeea, mexico--S03b3418f61, mexico--Sbbf9b5bc9b, mexico--S204584b915.