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

Office briefing

BUENAVISTA DE CUELLAR — Municipal government

Tracked current office. Identifiers stay separate from display names.

Mexico · BUENAVISTA DE CUELLAR / GUERRERO · municipal · Municipal governmentMX-M-12-15

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
BUENAVISTA DE CUELLAR / GUERRERO
Next election
2027-06-06
Linked upcoming event
next-ce62028e6d9448e7e14ec36d
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

  • PT26.5%
  • PBG23.1%
  • PVEM15.2%
  • MLGRO10.7%
  • PAN9.1%
  • MORENA6.7%
  • MC3.7%
  • PRI0.7%
  • PRD0.3%
  • MA0.3%
  • PES0.2%
  • PAC0.1%
Results for event-5e58c56c1b9009e2978d52e0
Label / candidateParty codeVotesShareSeatsStatus
PTmexico/S6ad152989f/20241,83426.5%UnknownRecorded
PBGmexico/S6ad152989f/20241,60023.1%UnknownRecorded
PVEMmexico/S6ad152989f/20241,05015.2%UnknownRecorded
MLGROmexico/S6ad152989f/202474110.7%UnknownRecorded
PANmexico/S6ad152989f/20246299.1%UnknownRecorded
MORENAmexico/S6ad152989f/20244656.7%UnknownRecorded
MCmexico/S6ad152989f/20242543.7%UnknownRecorded
PRImexico/S6ad152989f/2024460.7%UnknownRecorded
PRDmexico/S6ad152989f/2024220.3%UnknownRecorded
MAmexico/S6ad152989f/2024200.3%UnknownRecorded
PESmexico/S6ad152989f/2024170.2%UnknownRecorded
PACmexico/S6ad152989f/202460.1%UnknownRecorded

2021

Special · Legal certification not established · candidate marks

  • PT24.7%
  • MORENA23.6%
  • FXP19.9%
  • PAN10.9%
  • PRI_PRD10.7%
  • RSP6.3%
  • PES1.0%
  • PVEM0.3%
  • MC0.1%
Results for event-7926848490cc5adbe7f9dddb
Label / candidateParty codeVotesShareSeatsStatus
PTmexico/S67b2f81193/20211,72024.7%UnknownRecorded
MORENAmexico/S67b2f81193/20211,64023.6%UnknownRecorded
FXPmexico/S67b2f81193/20211,38519.9%UnknownRecorded
PANmexico/S67b2f81193/202175810.9%UnknownRecorded
PRI_PRDmexico/S67b2f81193/202174410.7%UnknownRecorded
RSPmexico/S67b2f81193/20214376.3%UnknownRecorded
PESmexico/S67b2f81193/2021731%UnknownRecorded
PVEMmexico/S67b2f81193/2021230.3%UnknownRecorded
MCmexico/S67b2f81193/202190.1%UnknownRecorded

2018

Special · Legal certification not established · candidate marks

  • MORENA32.6%
  • PAN_PRD25.0%
  • PVEM21.9%
  • PANAL9.0%
  • MC2.6%
  • ES2.2%
  • IHG1.1%
  • PRI1.0%
  • PT0.8%
  • PPG0.1%
  • CG0.1%
Results for event-db8470b98e8511b4146b86d1
Label / candidateParty codeVotesShareSeatsStatus
MORENAmexico/Sc74558e63d/20182,30732.6%UnknownRecorded
PAN_PRDmexico/Sc74558e63d/20181,76925%UnknownRecorded
PVEMmexico/Sc74558e63d/20181,54721.9%UnknownRecorded
PANALmexico/Sc74558e63d/20186359%UnknownRecorded
MCmexico/Sc74558e63d/20181862.6%UnknownRecorded
ESmexico/Sc74558e63d/20181572.2%UnknownRecorded
IHGmexico/Sc74558e63d/2018771.1%UnknownRecorded
PRImexico/Sc74558e63d/2018731%UnknownRecorded
PTmexico/Sc74558e63d/2018550.8%UnknownRecorded
PPGmexico/Sc74558e63d/201870.1%UnknownRecorded
CGmexico/Sc74558e63d/201870.1%UnknownRecorded

4. Competition and volatility

competition index

Provisional imported-series CI

83.790–100 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=3.500897666068223, oldest_gap=7.888563049853374, previous_gap=1.1783767859773135

pedersen volatility

Provisional volatility

22.16percentage 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=[[9.410532615200479,0.6882106523040096,0.3291442250149611,27.43865948533812,15.70915619389587,3.8001196888090965,6.956912028725315,35.667265110712144],[11.165120047135071,0,0,25.335100898512298,0.33878332596847843,0.13256738842244808,24.156724112534985,38.87170422742672],[0,1.0703812316715542,0,0.8064516129032258,22.683284457478006,2.727272727272727,33.82697947214076,38.88563049853373]]

pedersen volatility

Provisional volatility

35.69percentage 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=[[9.410532615200479,0.6882106523040096,0.3291442250149611,27.43865948533812,15.70915619389587,3.8001196888090965,6.956912028725315,35.667265110712144],[11.165120047135071,0,0,25.335100898512298,0.33878332596847843,0.13256738842244808,24.156724112534985,38.87170422742672],[0,1.0703812316715542,0,0.8064516129032258,22.683284457478006,2.727272727272727,33.82697947214076,38.88563049853373]]

pedersen volatility

Provisional volatility

28.93percentage 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=[[9.410532615200479,0.6882106523040096,0.3291442250149611,27.43865948533812,15.70915619389587,3.8001196888090965,6.956912028725315,35.667265110712144],[11.165120047135071,0,0,25.335100898512298,0.33878332596847843,0.13256738842244808,24.156724112534985,38.87170422742672],[0,1.0703812316715542,0,0.8064516129032258,22.683284457478006,2.727272727272727,33.82697947214076,38.88563049853373]]

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. “BUENAVISTA DE CUELLAR — Municipal government.” Subnational Election Observatory, releaselatin-america-fe5e91689def, snapshot 2026-09-13. /electiondatabase/offices/MX-M-12-15. Sources: mexico--url-3635e08ffbefd711526cbeea, mexico--S6ad152989f, mexico--S67b2f81193, mexico--Sc74558e63d.