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

Office briefing

TLALNEPANTLA — Municipal government

Tracked current office. Identifiers stay separate from display names.

Mexico · TLALNEPANTLA / MORELOS · municipal · Municipal governmentMX-M-17-23

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
TLALNEPANTLA / MORELOS
Next election
2027-06-06
Linked upcoming event
next-f2c65b084320a131c9fbe5e0
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

  • PES48.7%
  • PT22.1%
  • PROGRESA16.1%
  • PAN_PRI_PRD_RSPM4.8%
  • MORENA2.6%
  • PVEM0.7%
  • MC0.5%
  • PNAM0.1%
  • MAS0.0%
Results for event-cad63f42532aeed98bcff687
Label / candidateParty codeVotesShareSeatsStatus
PESmexico/S41b9ffdc76/20241,95848.7%UnknownRecorded
PTmexico/S41b9ffdc76/202489022.1%UnknownRecorded
PROGRESAmexico/S41b9ffdc76/202464916.1%UnknownRecorded
PAN_PRI_PRD_RSPMmexico/S41b9ffdc76/20241934.8%UnknownRecorded
MORENAmexico/S41b9ffdc76/20241042.6%UnknownRecorded
PVEMmexico/S41b9ffdc76/2024280.7%UnknownRecorded
MCmexico/S41b9ffdc76/2024190.5%UnknownRecorded
PNAMmexico/S41b9ffdc76/202460.1%UnknownRecorded
MASmexico/S41b9ffdc76/202420%UnknownRecorded

2021

Special · Legal certification not established · candidate marks

  • RSP31.2%
  • MAS20.8%
  • PSD16.5%
  • PAS10.3%
  • RPM8.4%
  • MP2.8%
  • BC1.9%
  • MC1.3%
  • FM1.1%
  • MORENA0.9%
  • PRI_PRD0.9%
  • PT0.3%
  • PES0.2%
  • PAN0.2%
  • PANALM0.2%
  • PHM0.1%
  • PVEM0.1%
  • FXM0.1%
  • PODEMOS0.1%
  • APM0.1%
  • PESM0.0%
  • FUTURO0.0%
Results for event-9489ee68ae320bf06efa2ae4
Label / candidateParty codeVotesShareSeatsStatus
RSPmexico/S5a4543bdc7/20211,20931.2%UnknownRecorded
MASmexico/S5a4543bdc7/202180420.8%UnknownRecorded
PSDmexico/S5a4543bdc7/202164116.5%UnknownRecorded
PASmexico/S5a4543bdc7/202140010.3%UnknownRecorded
RPMmexico/S5a4543bdc7/20213248.4%UnknownRecorded
MPmexico/S5a4543bdc7/20211082.8%UnknownRecorded
BCmexico/S5a4543bdc7/2021741.9%UnknownRecorded
MCmexico/S5a4543bdc7/2021511.3%UnknownRecorded
FMmexico/S5a4543bdc7/2021431.1%UnknownRecorded
MORENAmexico/S5a4543bdc7/2021350.9%UnknownRecorded
PRI_PRDmexico/S5a4543bdc7/2021330.9%UnknownRecorded
PTmexico/S5a4543bdc7/2021100.3%UnknownRecorded
PESmexico/S5a4543bdc7/202190.2%UnknownRecorded
PANmexico/S5a4543bdc7/202180.2%UnknownRecorded
PANALMmexico/S5a4543bdc7/202170.2%UnknownRecorded
PHMmexico/S5a4543bdc7/202140.1%UnknownRecorded
PVEMmexico/S5a4543bdc7/202130.1%UnknownRecorded
FXMmexico/S5a4543bdc7/202130.1%UnknownRecorded
PODEMOSmexico/S5a4543bdc7/202120.1%UnknownRecorded
APMmexico/S5a4543bdc7/202120.1%UnknownRecorded
PESMmexico/S5a4543bdc7/202110%UnknownRecorded
FUTUROmexico/S5a4543bdc7/20210 (recorded zero)0% (recorded zero)UnknownRecorded

2018

Special · Legal certification not established · candidate marks

  • PANAL46.2%
  • HUMANISTA30.4%
  • PT_MORENA_ES11.2%
  • PRD_PVEM_PSD6.1%
  • PRI1.0%
  • PAN_MC0.7%
Results for event-7f23832ee02b932eb2527400
Label / candidateParty codeVotesShareSeatsStatus
PANALmexico/S726c492649/20181,81546.2%UnknownRecorded
HUMANISTAmexico/S726c492649/20181,19530.4%UnknownRecorded
PT_MORENA_ESmexico/S726c492649/201844011.2%UnknownRecorded
PRD_PVEM_PSDmexico/S726c492649/20182386.1%UnknownRecorded
PRImexico/S726c492649/2018411%UnknownRecorded
PAN_MCmexico/S726c492649/2018260.7%UnknownRecorded

4. Competition and volatility

competition index

Provisional imported-series CI

0 (recorded zero)0–100 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=27.747466874512863, oldest_gap=16.511318242343545, previous_gap=10.739856801909305

pedersen volatility

Provisional volatility

25.28percentage 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=[[0,0,0,23.12288906209405,0.7274616783580151,0.49363471031436734,2.7020005196154844,72.95401402961808],[0.21214531954388757,0,0,0.26518164942985945,0.07955449482895784,1.3524264120922833,0.9281357730045081,97.1625563511005],[0,1.0918774966711051,0,0,0,0,0,98.9081225033289]]

pedersen volatility

Provisional volatility

2.84percentage 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=[[0,0,0,23.12288906209405,0.7274616783580151,0.49363471031436734,2.7020005196154844,72.95401402961808],[0.21214531954388757,0,0,0.26518164942985945,0.07955449482895784,1.3524264120922833,0.9281357730045081,97.1625563511005],[0,1.0918774966711051,0,0,0,0,0,98.9081225033289]]

pedersen volatility

Provisional volatility

14.06percentage 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=[[0,0,0,23.12288906209405,0.7274616783580151,0.49363471031436734,2.7020005196154844,72.95401402961808],[0.21214531954388757,0,0,0.26518164942985945,0.07955449482895784,1.3524264120922833,0.9281357730045081,97.1625563511005],[0,1.0918774966711051,0,0,0,0,0,98.9081225033289]]

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. “TLALNEPANTLA — Municipal government.” Subnational Election Observatory, releaselatin-america-fe5e91689def, snapshot 2026-09-13. /electiondatabase/offices/MX-M-17-23. Sources: mexico--url-3635e08ffbefd711526cbeea, mexico--S41b9ffdc76, mexico--S5a4543bdc7, mexico--S726c492649.