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

Office briefing

BACANORA — Municipal government

Tracked current office. Identifiers stay separate from display names.

Mexico · BACANORA / SONORA · municipal · Municipal governmentMX-M-26-8

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
BACANORA / SONORA
Next election
2027-06-06
Linked upcoming event
next-312b50764d971e9352a708f0
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

  • C_MORENA_PT_PVEM_NAS_PES61.6%
  • PAN_PRI_PRD36.7%
Results for event-4f8588abc498f910fb727fe7
Label / candidateParty codeVotesShareSeatsStatus
C_MORENA_PT_PVEM_NAS_PESmexico/S8220a88d5b/202454861.6%UnknownRecorded
PAN_PRI_PRDmexico/S8220a88d5b/202432636.7%UnknownRecorded

2021

Special · Legal certification not established · candidate marks

  • PAN59.6%
  • MORENA39.2%
  • PRI0.6%
  • PT0.2%
Results for event-dd94a5430a5889af09406320
Label / candidateParty codeVotesShareSeatsStatus
PANmexico/Sa6f306db6f/202149259.6%UnknownRecorded
MORENAmexico/Sa6f306db6f/202132339.2%UnknownRecorded
PRImexico/Sa6f306db6f/202150.6%UnknownRecorded
PTmexico/Sa6f306db6f/202120.2%UnknownRecorded

2018

Special · Legal certification not established · candidate marks

  • PAN_PRD52.1%
  • PRI43.8%
  • PT_MORENA_ES0.8%
  • PVEM0.6%
Results for event-dbb6aee22550f7996cae9bcf
Label / candidateParty codeVotesShareSeatsStatus
PAN_PRDmexico/S03d6f9eedb/201845952.1%UnknownRecorded
PRImexico/S03d6f9eedb/201838643.8%UnknownRecorded
PT_MORENA_ESmexico/S03d6f9eedb/201870.8%UnknownRecorded
PVEMmexico/S03d6f9eedb/201850.6%UnknownRecorded

4. Competition and volatility

competition index

Provisional imported-series CI

0 (recorded zero)0–100 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=25.400457665903886, oldest_gap=8.518086347724626, previous_gap=20.559610705596107

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,[59.85401459854015,0.6082725060827251,0,0.24330900243309003,0,0,39.29440389294404,0],[0,45.040840140023334,0,0,0.5834305717619603,0,0,54.37572928821471]]

pedersen volatility

Provisional volatility

99.39percentage 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,[59.85401459854015,0.6082725060827251,0,0.24330900243309003,0,0,39.29440389294404,0],[0,45.040840140023334,0,0,0.5834305717619603,0,0,54.37572928821471]]

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,[59.85401459854015,0.6082725060827251,0,0.24330900243309003,0,0,39.29440389294404,0],[0,45.040840140023334,0,0,0.5834305717619603,0,0,54.37572928821471]]

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. “BACANORA — Municipal government.” Subnational Election Observatory, releaselatin-america-fe5e91689def, snapshot 2026-09-13. /electiondatabase/offices/MX-M-26-8. Sources: mexico--url-3635e08ffbefd711526cbeea, mexico--S8220a88d5b, mexico--Sa6f306db6f, mexico--S03d6f9eedb.