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

Office briefing

NUEVO MORELOS — Municipal government

Tracked current office. Identifiers stay separate from display names.

Mexico · NUEVO MORELOS / TAMAULIPAS · municipal · Municipal governmentMX-M-28-28

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
NUEVO MORELOS / TAMAULIPAS
Next election
2027-06-06
Linked upcoming event
next-83bec8f993f9d0a450082299
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

  • PAN_PRI55.1%
  • PT_PVEM_MORENA42.8%
  • PRD0.0%
  • MC0.0%
Results for event-26e9f81e3e6bbf4098c6e75f
Label / candidateParty codeVotesShareSeatsStatus
PAN_PRImexico/S17b362bf56/20241,42555.1%UnknownRecorded
PT_PVEM_MORENAmexico/S17b362bf56/20241,10742.8%UnknownRecorded
PRDmexico/S17b362bf56/20240 (recorded zero)0% (recorded zero)UnknownRecorded
MCmexico/S17b362bf56/20240 (recorded zero)0% (recorded zero)UnknownRecorded

2021

Special · Legal certification not established · candidate marks

  • PAN53.7%
  • PRI39.2%
  • PT_MORENA5.0%
  • PRD0.1%
  • PVEM0.0%
  • MC0.0%
  • RSP0.0%
  • PES0.0%
  • FXM0.0%
Results for event-48b9e4850bf0b7b1d50cd83f
Label / candidateParty codeVotesShareSeatsStatus
PANmexico/S0f69850b9c/20211,47453.7%UnknownRecorded
PRImexico/S0f69850b9c/20211,07739.2%UnknownRecorded
PT_MORENAmexico/S0f69850b9c/20211375%UnknownRecorded
PRDmexico/S0f69850b9c/202120.1%UnknownRecorded
PVEMmexico/S0f69850b9c/202110%UnknownRecorded
MCmexico/S0f69850b9c/202110%UnknownRecorded
RSPmexico/S0f69850b9c/202110%UnknownRecorded
PESmexico/S0f69850b9c/20210 (recorded zero)0% (recorded zero)UnknownRecorded
FXMmexico/S0f69850b9c/20210 (recorded zero)0% (recorded zero)UnknownRecorded

2018

Special · Legal certification not established · candidate marks

  • PAN51.2%
  • PRI43.1%
  • ES1.9%
  • MORENA0.5%
  • MC0.1%
  • PRD0.0%
  • PVEM0.0%
  • PT0.0%
  • PANAL0.0%
Results for event-01933421bce03db879109762
Label / candidateParty codeVotesShareSeatsStatus
PANmexico/S53ed791cbe/20181,34251.2%UnknownRecorded
PRImexico/S53ed791cbe/20181,13043.1%UnknownRecorded
ESmexico/S53ed791cbe/2018491.9%UnknownRecorded
MORENAmexico/S53ed791cbe/2018120.5%UnknownRecorded
MCmexico/S53ed791cbe/201820.1%UnknownRecorded
PRDmexico/S53ed791cbe/201810%UnknownRecorded
PVEMmexico/S53ed791cbe/201810%UnknownRecorded
PTmexico/S53ed791cbe/201810%UnknownRecorded
PANALmexico/S53ed791cbe/20180 (recorded zero)0% (recorded zero)UnknownRecorded

4. Competition and volatility

competition index

Provisional imported-series CI

36.030–100 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=12.559241706161131, oldest_gap=8.353033884948779, previous_gap=14.741923505384328

pedersen volatility

Withheld volatility

Unknownpercentage 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 · Comparable grouped vectors unavailable for this interval

Method pedersen.grouped.v1. Inputs: groups=["PAN","PRI","PRD","PT","PVEM","MC","MORENA","Other"], interval=Latest interval, vectors=[null,[54.73449684366877,39.992573338284444,0.07426661715558856,0,0.03713330857779428,0.03713330857779428,0,5.124396583735611],[52.876280535855,44.52324665090622,0.039401103230890466,0.039401103230890466,0.039401103230890466,0.07880220646178093,0.4728132387706856,1.9306540583136327]]

pedersen volatility

Provisional volatility

5.09percentage 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=[null,[54.73449684366877,39.992573338284444,0.07426661715558856,0,0.03713330857779428,0.03713330857779428,0,5.124396583735611],[52.876280535855,44.52324665090622,0.039401103230890466,0.039401103230890466,0.039401103230890466,0.07880220646178093,0.4728132387706856,1.9306540583136327]]

pedersen volatility

Withheld volatility

Unknownpercentage 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 · Comparable grouped vectors unavailable for this interval

Method pedersen.grouped.v1. Inputs: groups=["PAN","PRI","PRD","PT","PVEM","MC","MORENA","Other"], interval=Both intervals mean, vectors=[null,[54.73449684366877,39.992573338284444,0.07426661715558856,0,0.03713330857779428,0.03713330857779428,0,5.124396583735611],[52.876280535855,44.52324665090622,0.039401103230890466,0.039401103230890466,0.039401103230890466,0.07880220646178093,0.4728132387706856,1.9306540583136327]]

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. “NUEVO MORELOS — Municipal government.” Subnational Election Observatory, releaselatin-america-fe5e91689def, snapshot 2026-09-13. /electiondatabase/offices/MX-M-28-28. Sources: mexico--url-3635e08ffbefd711526cbeea, mexico--S17b362bf56, mexico--S0f69850b9c, mexico--S53ed791cbe.