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

Office briefing

ZACATELCO — Municipal government

Tracked current office. Identifiers stay separate from display names.

Mexico · ZACATELCO / TLAXCALA · municipal · Municipal governmentMX-M-29-44

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
ZACATELCO / TLAXCALA
Next election
2027-06-06
Linked upcoming event
next-5081d9dba1e65b128b2ece74
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

  • PAC28.1%
  • PT15.0%
  • MORENA13.7%
  • PANALT11.2%
  • PAN6.6%
  • FXM6.5%
  • PRI5.0%
  • MC2.6%
  • PVEM2.6%
  • RSP2.2%
  • PAN_PRI0.9%
  • PRD0.2%
Results for event-86582cc21b24b6a7684ba606
Label / candidateParty codeVotesShareSeatsStatus
PACmexico/S6525ed8770/20247,71428.1%UnknownRecorded
PTmexico/S6525ed8770/20244,11615%UnknownRecorded
MORENAmexico/S6525ed8770/20243,74613.7%UnknownRecorded
PANALTmexico/S6525ed8770/20243,07311.2%UnknownRecorded
PANmexico/S6525ed8770/20241,8166.6%UnknownRecorded
FXMmexico/S6525ed8770/20241,7776.5%UnknownRecorded
PRImexico/S6525ed8770/20241,3575%UnknownRecorded
MCmexico/S6525ed8770/20247262.6%UnknownRecorded
PVEMmexico/S6525ed8770/20247132.6%UnknownRecorded
RSPmexico/S6525ed8770/20246062.2%UnknownRecorded
PAN_PRImexico/S6525ed8770/20242380.9%UnknownRecorded
PRDmexico/S6525ed8770/2024590.2%UnknownRecorded

2021

Special · Legal certification not established · candidate marks

  • PANALT17.8%
  • MORENA14.1%
  • PRI9.7%
  • PT7.3%
  • PRD7.1%
  • PAN6.5%
  • RSP6.3%
  • PS6.1%
  • PVEM5.7%
  • MC4.6%
  • FXM4.0%
  • CAND_IND103.8%
  • PAC2.2%
  • PEST1.6%
  • PISSI0.2%
  • PES0.0%
Results for event-9b9e4c2a59779f00c8a5ff3d
Label / candidateParty codeVotesShareSeatsStatus
PANALTmexico/S0545c4b939/20214,08017.8%UnknownRecorded
MORENAmexico/S0545c4b939/20213,23214.1%UnknownRecorded
PRImexico/S0545c4b939/20212,2169.7%UnknownRecorded
PTmexico/S0545c4b939/20211,6757.3%UnknownRecorded
PRDmexico/S0545c4b939/20211,6257.1%UnknownRecorded
PANmexico/S0545c4b939/20211,4896.5%UnknownRecorded
RSPmexico/S0545c4b939/20211,4536.3%UnknownRecorded
PSmexico/S0545c4b939/20211,4106.1%UnknownRecorded
PVEMmexico/S0545c4b939/20211,3115.7%UnknownRecorded
MCmexico/S0545c4b939/20211,0584.6%UnknownRecorded
FXMmexico/S0545c4b939/20219234%UnknownRecorded
CAND_IND10mexico/S0545c4b939/20218773.8%UnknownRecorded
PACmexico/S0545c4b939/20215122.2%UnknownRecorded
PESTmexico/S0545c4b939/20213781.6%UnknownRecorded
PISSImexico/S0545c4b939/2021510.2%UnknownRecorded
PESmexico/S0545c4b939/20210 (recorded zero)0% (recorded zero)UnknownRecorded

2016

Special · Legal certification not established · candidate marks

  • PRD_PT19.5%
  • PRI_PANAL15.8%
  • ES15.6%
  • MORENA14.1%
  • PAC13.7%
  • PVEM_PS9.8%
  • MC4.5%
  • PAN4.2%
Results for event-131ba8998e3314d23f5decd1
Label / candidateParty codeVotesShareSeatsStatus
PRD_PTmexico/Sae1c6446c5/20163,85219.5%UnknownRecorded
PRI_PANALmexico/Sae1c6446c5/20163,12015.8%UnknownRecorded
ESmexico/Sae1c6446c5/20163,08515.6%UnknownRecorded
MORENAmexico/Sae1c6446c5/20162,79514.1%UnknownRecorded
PACmexico/Sae1c6446c5/20162,71413.7%UnknownRecorded
PVEM_PSmexico/Sae1c6446c5/20161,9359.8%UnknownRecorded
MCmexico/Sae1c6446c5/20168824.5%UnknownRecorded
PANmexico/Sae1c6446c5/20168274.2%UnknownRecorded

4. Competition and volatility

competition index

Provisional imported-series CI

50.780–100 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=13.869935623144828, oldest_gap=3.810515356585114, previous_gap=3.804396590399284

pedersen volatility

Provisional volatility

16.91percentage 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=[[7.000501137195944,5.231101345360626,0.22743918892872286,15.86677460390887,2.7485447746810068,2.7986584942754713,14.44046104622027,51.68651940942908],[6.680125616868551,9.941677882458501,7.290264692687304,7.514580529385374,5.881561238223418,4.74652310453118,14.499775684163302,43.445491251682384],[4.305049453409683,0,0,0,0,4.591358667360749,14.54971369078605,76.55387818844352]]

pedersen volatility

Provisional volatility

33.16percentage 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=[[7.000501137195944,5.231101345360626,0.22743918892872286,15.86677460390887,2.7485447746810068,2.7986584942754713,14.44046104622027,51.68651940942908],[6.680125616868551,9.941677882458501,7.290264692687304,7.514580529385374,5.881561238223418,4.74652310453118,14.499775684163302,43.445491251682384],[4.305049453409683,0,0,0,0,4.591358667360749,14.54971369078605,76.55387818844352]]

pedersen volatility

Provisional volatility

25.04percentage 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=[[7.000501137195944,5.231101345360626,0.22743918892872286,15.86677460390887,2.7485447746810068,2.7986584942754713,14.44046104622027,51.68651940942908],[6.680125616868551,9.941677882458501,7.290264692687304,7.514580529385374,5.881561238223418,4.74652310453118,14.499775684163302,43.445491251682384],[4.305049453409683,0,0,0,0,4.591358667360749,14.54971369078605,76.55387818844352]]

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. “ZACATELCO — Municipal government.” Subnational Election Observatory, releaselatin-america-fe5e91689def, snapshot 2026-09-13. /electiondatabase/offices/MX-M-29-44. Sources: mexico--url-3635e08ffbefd711526cbeea, mexico--S6525ed8770, mexico--S0545c4b939, mexico--Sae1c6446c5.