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

Office briefing

NUEVO LEON — Governor

Tracked current office. Identifiers stay separate from display names.

Mexico · NUEVO LEON / NUEVO LEON · other · GovernorMX-G-19

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 LEON / NUEVO LEON
Next election
2027-06-06
Linked upcoming event
next-5bfcd164a1103dc07cf5063d
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?

2021

Special · Legal certification not established · candidate marks

  • MC36.7%
  • C_PRI_PRD27.9%
  • PAN18.3%
  • C_PVEM_PT_MORENA_PANAL14.0%
  • FXM0.6%
  • PES0.3%
  • RSP0.3%
Results for event-ab30290bffc6aa33d9b95b9e
Label / candidateParty codeVotesShareSeatsStatus
MCmexico/Sa077a31f58/2021786,80836.7%UnknownRecorded
C_PRI_PRDmexico/Sa077a31f58/2021598,05227.9%UnknownRecorded
PANmexico/Sa077a31f58/2021392,90118.3%UnknownRecorded
C_PVEM_PT_MORENA_PANALmexico/Sa077a31f58/2021300,58814%UnknownRecorded
FXMmexico/Sa077a31f58/202113,8630.6%UnknownRecorded
PESmexico/Sa077a31f58/20217,0420.3%UnknownRecorded
RSPmexico/Sa077a31f58/20216,6290.3%UnknownRecorded

2015

Special · Legal certification not established · candidate marks

  • CAND_IND148.8%
  • PRI_PVEM_PANAL_PD23.9%
  • PAN22.3%
  • PT0.8%
  • MC0.5%
  • PRD0.5%
  • PH0.4%
  • ES0.3%
  • MORENA0.3%
  • CC0.1%
Results for event-8698f624a4f6283345d45be4
Label / candidateParty codeVotesShareSeatsStatus
CAND_IND1mexico/Sb43196529a/20151,020,55248.8%UnknownRecorded
PRI_PVEM_PANAL_PDmexico/Sb43196529a/2015498,64423.9%UnknownRecorded
PANmexico/Sb43196529a/2015466,54322.3%UnknownRecorded
PTmexico/Sb43196529a/201516,1320.8%UnknownRecorded
MCmexico/Sb43196529a/201510,8810.5%UnknownRecorded
PRDmexico/Sb43196529a/201510,1040.5%UnknownRecorded
PHmexico/Sb43196529a/20157,6170.4%UnknownRecorded
ESmexico/Sb43196529a/20156,6790.3%UnknownRecorded
MORENAmexico/Sb43196529a/20156,5360.3%UnknownRecorded
CCmexico/Sb43196529a/20151,5800.1%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=8.963270988939083, oldest_gap=null, previous_gap=25.5178294482679

pedersen volatility

Provisional volatility

36.83percentage 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=[[18.65730432317465,0,0,0,0,37.36237958139175,0,43.98031609543361],[22.810849238339426,0,0.4940183878103016,0.7887474893265821,0,0.5320085191769489,0.3195669222810898,75.05480944306565],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=[[18.65730432317465,0,0,0,0,37.36237958139175,0,43.98031609543361],[22.810849238339426,0,0.4940183878103016,0.7887474893265821,0,0.5320085191769489,0.3195669222810898,75.05480944306565],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=[[18.65730432317465,0,0,0,0,37.36237958139175,0,43.98031609543361],[22.810849238339426,0,0.4940183878103016,0.7887474893265821,0,0.5320085191769489,0.3195669222810898,75.05480944306565],null]

Source-reported control: Samuel Alejandro García Sepúlveda (Movimiento Ciudadano (partido político de México)); Secondary current-directory snapshot; primary verification pending; retrieved 12 Sep 2026. Secondary current-directory snapshot; primary verification pending

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 LEON — Governor.” Subnational Election Observatory, releaselatin-america-fe5e91689def, snapshot 2026-09-13. /electiondatabase/offices/MX-G-19. Sources: mexico--url-6b76f0532b608b4c3f237341, mexico--Sa077a31f58, mexico--Sb43196529a.