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

Office briefing

MONTERREY — Municipal government

Tracked current office. Identifiers stay separate from display names.

Mexico · MONTERREY / NUEVO LEON · municipal · Municipal governmentMX-M-19-40

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
MONTERREY / NUEVO LEON
Next election
2027-06-06
Linked upcoming event
next-a2404cad7767ef2b3965711a
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_PRI_PRD37.4%
  • MC30.7%
  • VIDA_NL13.9%
  • PVEM_MORENA11.2%
  • PT1.9%
  • ESO1.6%
  • JUSTICIALISTA0.1%
  • PAN0.0%
  • PRI0.0%
  • PRD0.0%
  • PVEM0.0%
  • MORENA0.0%
  • LIBERAL0.0%
  • PESNL0.0%
  • CAND_IND10.0%
Results for event-cea75aa9b8f4c6449d77f096
Label / candidateParty codeVotesShareSeatsStatus
PAN_PRI_PRDmexico/Sa9d33184a7/2024213,94837.4%UnknownRecorded
MCmexico/Sa9d33184a7/2024175,74230.7%UnknownRecorded
VIDA_NLmexico/Sa9d33184a7/202479,35913.9%UnknownRecorded
PVEM_MORENAmexico/Sa9d33184a7/202464,18911.2%UnknownRecorded
PTmexico/Sa9d33184a7/202411,1291.9%UnknownRecorded
ESOmexico/Sa9d33184a7/20248,8671.6%UnknownRecorded
JUSTICIALISTAmexico/Sa9d33184a7/20247500.1%UnknownRecorded
PANmexico/Sa9d33184a7/20240 (recorded zero)0% (recorded zero)UnknownRecorded
PRImexico/Sa9d33184a7/20240 (recorded zero)0% (recorded zero)UnknownRecorded
PRDmexico/Sa9d33184a7/20240 (recorded zero)0% (recorded zero)UnknownRecorded
PVEMmexico/Sa9d33184a7/20240 (recorded zero)0% (recorded zero)UnknownRecorded
MORENAmexico/Sa9d33184a7/20240 (recorded zero)0% (recorded zero)UnknownRecorded
LIBERALmexico/Sa9d33184a7/20240 (recorded zero)0% (recorded zero)UnknownRecorded
PESNLmexico/Sa9d33184a7/20240 (recorded zero)0% (recorded zero)UnknownRecorded
CAND_IND1mexico/Sa9d33184a7/20240 (recorded zero)0% (recorded zero)UnknownRecorded

2021

Special · Legal certification not established · candidate marks

  • MC47.2%
  • C_PRI_PRD31.7%
  • C_PVEM_PT_MORENA_PANAL10.1%
  • PAN8.0%
  • RSP0.4%
  • CAND_IND220.3%
  • FXM0.3%
  • PES0.3%
  • PRI0.0%
  • PRD0.0%
  • PVEM0.0%
  • PT0.0%
  • MORENA0.0%
  • PANAL0.0%
  • CAND_IND70.0%
  • CAND_IND80.0%
  • CAND_IND90.0%
  • CAND_IND100.0%
  • CAND_IND110.0%
  • CAND_IND120.0%
  • CAND_IND130.0%
  • CAND_IND140.0%
  • CAND_IND150.0%
  • CAND_IND160.0%
  • CAND_IND170.0%
  • CAND_IND180.0%
  • CAND_IND190.0%
  • CAND_IND200.0%
  • CAND_IND210.0%
Results for event-1940002199205904bff04c47
Label / candidateParty codeVotesShareSeatsStatus
MCmexico/S8ed6d88ef6/2021254,54147.2%UnknownRecorded
C_PRI_PRDmexico/S8ed6d88ef6/2021170,95831.7%UnknownRecorded
C_PVEM_PT_MORENA_PANALmexico/S8ed6d88ef6/202154,46510.1%UnknownRecorded
PANmexico/S8ed6d88ef6/202143,2118%UnknownRecorded
RSPmexico/S8ed6d88ef6/20211,9090.4%UnknownRecorded
CAND_IND22mexico/S8ed6d88ef6/20211,7850.3%UnknownRecorded
FXMmexico/S8ed6d88ef6/20211,3730.3%UnknownRecorded
PESmexico/S8ed6d88ef6/20211,3620.3%UnknownRecorded
PRImexico/S8ed6d88ef6/20210 (recorded zero)0% (recorded zero)UnknownRecorded
PRDmexico/S8ed6d88ef6/20210 (recorded zero)0% (recorded zero)UnknownRecorded
PVEMmexico/S8ed6d88ef6/20210 (recorded zero)0% (recorded zero)UnknownRecorded
PTmexico/S8ed6d88ef6/20210 (recorded zero)0% (recorded zero)UnknownRecorded
MORENAmexico/S8ed6d88ef6/20210 (recorded zero)0% (recorded zero)UnknownRecorded
PANALmexico/S8ed6d88ef6/20210 (recorded zero)0% (recorded zero)UnknownRecorded
CAND_IND7mexico/S8ed6d88ef6/20210 (recorded zero)0% (recorded zero)UnknownRecorded
CAND_IND8mexico/S8ed6d88ef6/20210 (recorded zero)0% (recorded zero)UnknownRecorded
CAND_IND9mexico/S8ed6d88ef6/20210 (recorded zero)0% (recorded zero)UnknownRecorded
CAND_IND10mexico/S8ed6d88ef6/20210 (recorded zero)0% (recorded zero)UnknownRecorded
CAND_IND11mexico/S8ed6d88ef6/20210 (recorded zero)0% (recorded zero)UnknownRecorded
CAND_IND12mexico/S8ed6d88ef6/20210 (recorded zero)0% (recorded zero)UnknownRecorded
CAND_IND13mexico/S8ed6d88ef6/20210 (recorded zero)0% (recorded zero)UnknownRecorded
CAND_IND14mexico/S8ed6d88ef6/20210 (recorded zero)0% (recorded zero)UnknownRecorded
CAND_IND15mexico/S8ed6d88ef6/20210 (recorded zero)0% (recorded zero)UnknownRecorded
CAND_IND16mexico/S8ed6d88ef6/20210 (recorded zero)0% (recorded zero)UnknownRecorded
CAND_IND17mexico/S8ed6d88ef6/20210 (recorded zero)0% (recorded zero)UnknownRecorded
CAND_IND18mexico/S8ed6d88ef6/20210 (recorded zero)0% (recorded zero)UnknownRecorded
CAND_IND19mexico/S8ed6d88ef6/20210 (recorded zero)0% (recorded zero)UnknownRecorded
CAND_IND20mexico/S8ed6d88ef6/20210 (recorded zero)0% (recorded zero)UnknownRecorded
CAND_IND21mexico/S8ed6d88ef6/20210 (recorded zero)0% (recorded zero)UnknownRecorded

4. Competition and volatility

competition index

Withheld

Unknown0–100 historical closeness

Actual-event and/or comparability review incomplete

Comparison status: Comparison unavailable · INE result distributions kept separate. Certified seats, supplementary elections, coalition and boundary audit remain.

Method ci.weighted-gap.v1. Inputs: latest_gap=6.8965890711645095, oldest_gap=null, previous_gap=15.78216931896285

pedersen volatility

Provisional volatility

24.5percentage 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=[[0,0,0,2.0089027841959335,0,31.72329886783734,0,66.26779834796673],[8.159115112423622,0,0,0,0,48.062514633575276,0,43.778370254001096],null]

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: Previous interval · Comparable grouped vectors unavailable for this interval

Method pedersen.grouped.v1. Inputs: groups=["PAN","PRI","PRD","PT","PVEM","MC","MORENA","Other"], interval=Previous interval, vectors=[[0,0,0,2.0089027841959335,0,31.72329886783734,0,66.26779834796673],[8.159115112423622,0,0,0,0,48.062514633575276,0,43.778370254001096],null]

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=[[0,0,0,2.0089027841959335,0,31.72329886783734,0,66.26779834796673],[8.159115112423622,0,0,0,0,48.062514633575276,0,43.778370254001096],null]

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

  • missing returns · open

    Required distribution missing: {"id": "MX-M-19-40", "year": 2018, "issue": "Required distribution missing", "distribution": "Por Candidaturas"}

Sources

Cite this record

Center for Digital Democracy. “MONTERREY — Municipal government.” Subnational Election Observatory, releaselatin-america-fe5e91689def, snapshot 2026-09-13. /electiondatabase/offices/MX-M-19-40. Sources: mexico--url-3635e08ffbefd711526cbeea, mexico--Sa9d33184a7, mexico--S8ed6d88ef6.