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

Office briefing

CARDENAS — Municipal government

Tracked current office. Identifiers stay separate from display names.

Mexico · CARDENAS / SAN LUIS POTOSI · municipal · Municipal governmentMX-M-24-5

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
CARDENAS / SAN LUIS POTOSI
Next election
2027-06-06
Linked upcoming event
next-0be7b38701577cef30e23a9c
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

  • PT47.5%
  • PVEM27.3%
  • MORENA15.1%
  • PAN_PRI_PRD4.2%
  • CP0.9%
  • MC0.4%
Results for event-b03f6e94f73f17d37cf7ab24
Label / candidateParty codeVotesShareSeatsStatus
PTmexico/S88c94a1254/20244,31747.5%UnknownRecorded
PVEMmexico/S88c94a1254/20242,47727.3%UnknownRecorded
MORENAmexico/S88c94a1254/20241,37615.1%UnknownRecorded
PAN_PRI_PRDmexico/S88c94a1254/20243814.2%UnknownRecorded
CPmexico/S88c94a1254/2024820.9%UnknownRecorded
MCmexico/S88c94a1254/2024350.4%UnknownRecorded

2021

Special · Legal certification not established · candidate marks

  • PT_PVEM51.6%
  • PAN_PRI_PRD_PCP36.1%
  • MORENA5.3%
  • FXM4.2%
  • PES0.4%
  • PMC0.1%
  • RSP0.1%
  • NASLP0.1%
Results for event-107b0220007485e3a251cea2
Label / candidateParty codeVotesShareSeatsStatus
PT_PVEMmexico/Sbdae97b59c/20214,83151.6%UnknownRecorded
PAN_PRI_PRD_PCPmexico/Sbdae97b59c/20213,38236.1%UnknownRecorded
MORENAmexico/Sbdae97b59c/20214955.3%UnknownRecorded
FXMmexico/Sbdae97b59c/20213904.2%UnknownRecorded
PESmexico/Sbdae97b59c/2021420.4%UnknownRecorded
PMCmexico/Sbdae97b59c/2021140.1%UnknownRecorded
RSPmexico/Sbdae97b59c/202170.1%UnknownRecorded
NASLPmexico/Sbdae97b59c/202160.1%UnknownRecorded

2018

Special · Legal certification not established · candidate marks

  • PVEM_PANAL50.7%
  • PAN_PRD_MC27.8%
  • PT_MORENA_ES8.3%
  • PRI5.5%
  • CP5.1%
Results for event-a5ae350ec9a5e08e2cd9bce5
Label / candidateParty codeVotesShareSeatsStatus
PVEM_PANALmexico/S2de73474ec/20184,60550.7%UnknownRecorded
PAN_PRD_MCmexico/S2de73474ec/20182,52627.8%UnknownRecorded
PT_MORENA_ESmexico/S2de73474ec/20187588.3%UnknownRecorded
PRImexico/S2de73474ec/20185015.5%UnknownRecorded
CPmexico/S2de73474ec/20184605.1%UnknownRecorded

4. Competition and volatility

competition index

Provisional imported-series CI

0.860–100 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=21.227503461005995, oldest_gap=23.491525423728817, previous_gap=15.80669793825679

pedersen volatility

Provisional volatility

89.26percentage 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=[[0,0,0,49.803876326718964,28.57637286571297,0.4037840332256576,15.874480849100138,5.341485925242271],[0,0,0,0,0,0,5.399803643503873,94.60019635649611],[0,5.661016949152542,0,0,0,0,0,94.33898305084746]]

pedersen volatility

Provisional volatility

5.66percentage 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=[[0,0,0,49.803876326718964,28.57637286571297,0.4037840332256576,15.874480849100138,5.341485925242271],[0,0,0,0,0,0,5.399803643503873,94.60019635649611],[0,5.661016949152542,0,0,0,0,0,94.33898305084746]]

pedersen volatility

Provisional volatility

47.46percentage 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=[[0,0,0,49.803876326718964,28.57637286571297,0.4037840332256576,15.874480849100138,5.341485925242271],[0,0,0,0,0,0,5.399803643503873,94.60019635649611],[0,5.661016949152542,0,0,0,0,0,94.33898305084746]]

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. “CARDENAS — Municipal government.” Subnational Election Observatory, releaselatin-america-fe5e91689def, snapshot 2026-09-13. /electiondatabase/offices/MX-M-24-5. Sources: mexico--url-3635e08ffbefd711526cbeea, mexico--S88c94a1254, mexico--Sbdae97b59c, mexico--S2de73474ec.