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

Office briefing

IXTACUIXTLA DE MARIANO MATAMOROS — Municipal government

Tracked current office. Identifiers stay separate from display names.

Mexico · IXTACUIXTLA DE MARIANO MATAMOROS / TLAXCALA · municipal · Municipal governmentMX-M-29-15

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
IXTACUIXTLA DE MARIANO MATAMOROS / TLAXCALA
Next election
2027-06-06
Linked upcoming event
next-ce09e84c84258b867eaf15e0
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

  • MORENA23.7%
  • PVEM16.0%
  • PT13.4%
  • RSP10.1%
  • PRI8.7%
  • MC6.6%
  • FXM5.4%
  • CAND_IND034.2%
  • PANALT2.5%
  • PAC2.1%
  • PRD1.3%
  • PAN0.8%
Results for event-86222bf6e17db1453d7d0a7d
Label / candidateParty codeVotesShareSeatsStatus
MORENAmexico/Sfccac3353b/20244,87023.7%UnknownRecorded
PVEMmexico/Sfccac3353b/20243,29416%UnknownRecorded
PTmexico/Sfccac3353b/20242,75913.4%UnknownRecorded
RSPmexico/Sfccac3353b/20242,08310.1%UnknownRecorded
PRImexico/Sfccac3353b/20241,7858.7%UnknownRecorded
MCmexico/Sfccac3353b/20241,3616.6%UnknownRecorded
FXMmexico/Sfccac3353b/20241,1015.4%UnknownRecorded
CAND_IND03mexico/Sfccac3353b/20248644.2%UnknownRecorded
PANALTmexico/Sfccac3353b/20245132.5%UnknownRecorded
PACmexico/Sfccac3353b/20244262.1%UnknownRecorded
PRDmexico/Sfccac3353b/20242761.3%UnknownRecorded
PANmexico/Sfccac3353b/20241670.8%UnknownRecorded

2021

Special · Legal certification not established · candidate marks

  • MORENA34.3%
  • PRI16.4%
  • RSP8.9%
  • PAC7.4%
  • PAN4.7%
  • PRD4.5%
  • PVEM4.4%
  • FXM3.9%
  • PEST3.7%
  • PT2.7%
  • PISSI2.3%
  • PES1.9%
  • PS1.2%
  • PANALT0.7%
  • MC0.0%
Results for event-e2030a0960549a141c15bb79
Label / candidateParty codeVotesShareSeatsStatus
MORENAmexico/Se2a4df84be/20216,57934.3%UnknownRecorded
PRImexico/Se2a4df84be/20213,13816.4%UnknownRecorded
RSPmexico/Se2a4df84be/20211,7058.9%UnknownRecorded
PACmexico/Se2a4df84be/20211,4217.4%UnknownRecorded
PANmexico/Se2a4df84be/20218974.7%UnknownRecorded
PRDmexico/Se2a4df84be/20218734.5%UnknownRecorded
PVEMmexico/Se2a4df84be/20218364.4%UnknownRecorded
FXMmexico/Se2a4df84be/20217543.9%UnknownRecorded
PESTmexico/Se2a4df84be/20217113.7%UnknownRecorded
PTmexico/Se2a4df84be/20215182.7%UnknownRecorded
PISSImexico/Se2a4df84be/20214382.3%UnknownRecorded
PESmexico/Se2a4df84be/20213571.9%UnknownRecorded
PSmexico/Se2a4df84be/20212281.2%UnknownRecorded
PANALTmexico/Se2a4df84be/20211400.7%UnknownRecorded
MCmexico/Se2a4df84be/20210 (recorded zero)0% (recorded zero)UnknownRecorded

2016

Special · Legal certification not established · candidate marks

  • PRI27.8%
  • MC22.6%
  • PAC13.3%
  • PRD11.2%
  • PANAL10.8%
  • PAN4.8%
  • MORENA2.7%
  • PS1.3%
  • PVEM0.9%
  • PT0.7%
Results for event-539cfca0866490dcb65f1c14
Label / candidateParty codeVotesShareSeatsStatus
PRImexico/Sa06713ecea/20164,85227.8%UnknownRecorded
MCmexico/Sa06713ecea/20163,93122.6%UnknownRecorded
PACmexico/Sa06713ecea/20162,31913.3%UnknownRecorded
PRDmexico/Sa06713ecea/20161,96111.2%UnknownRecorded
PANALmexico/Sa06713ecea/20161,88310.8%UnknownRecorded
PANmexico/Sa06713ecea/20168394.8%UnknownRecorded
MORENAmexico/Sa06713ecea/20164652.7%UnknownRecorded
PSmexico/Sa06713ecea/20162351.3%UnknownRecorded
PVEMmexico/Sa06713ecea/20161600.9%UnknownRecorded
PTmexico/Sa06713ecea/20161230.7%UnknownRecorded

4. Competition and volatility

competition index

Provisional imported-series CI

45.250–100 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=8.082465767475256, oldest_gap=5.492604961832061, previous_gap=18.504974455498793

pedersen volatility

Provisional volatility

30.74percentage 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=[[0.8564541771372891,9.15431560592851,1.4154572029334838,14.149443561208267,16.893174008923534,6.979845120262578,24.97563977639879,25.57567054720755],[4.823877386394192,16.87550416778704,4.694810432912073,2.7856950793223985,4.495832212960473,0,35.38047862328583,30.943802097337993],[5.003578244274809,28.936068702290076,11.694895038167939,0.7335400763358778,0.9541984732824428,23.443463740458014,2.7731393129770994,26.461116412213737]]

pedersen volatility

Provisional volatility

42.68percentage 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: Previous interval

Method pedersen.grouped.v1. Inputs: groups=["PAN","PRI","PRD","PT","PVEM","MC","MORENA","Other"], interval=Previous interval, vectors=[[0.8564541771372891,9.15431560592851,1.4154572029334838,14.149443561208267,16.893174008923534,6.979845120262578,24.97563977639879,25.57567054720755],[4.823877386394192,16.87550416778704,4.694810432912073,2.7856950793223985,4.495832212960473,0,35.38047862328583,30.943802097337993],[5.003578244274809,28.936068702290076,11.694895038167939,0.7335400763358778,0.9541984732824428,23.443463740458014,2.7731393129770994,26.461116412213737]]

pedersen volatility

Provisional volatility

36.71percentage 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=[[0.8564541771372891,9.15431560592851,1.4154572029334838,14.149443561208267,16.893174008923534,6.979845120262578,24.97563977639879,25.57567054720755],[4.823877386394192,16.87550416778704,4.694810432912073,2.7856950793223985,4.495832212960473,0,35.38047862328583,30.943802097337993],[5.003578244274809,28.936068702290076,11.694895038167939,0.7335400763358778,0.9541984732824428,23.443463740458014,2.7731393129770994,26.461116412213737]]

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. “IXTACUIXTLA DE MARIANO MATAMOROS — Municipal government.” Subnational Election Observatory, releaselatin-america-fe5e91689def, snapshot 2026-09-13. /electiondatabase/offices/MX-M-29-15. Sources: mexico--url-3635e08ffbefd711526cbeea, mexico--Sfccac3353b, mexico--Se2a4df84be, mexico--Sa06713ecea.