Skip to observatory content

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

Office briefing

ACAMBARO — Municipal government

Tracked current office. Identifiers stay separate from display names.

Mexico · ACAMBARO / GUANAJUATO · municipal · Municipal governmentMX-M-11-2

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
ACAMBARO / GUANAJUATO
Next election
2027-06-06
Linked upcoming event
next-8cb94717a4576e7c69129f2a
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_PRD45.3%
  • MORENA39.1%
  • MC4.5%
  • PT4.1%
  • PVEM2.4%
Results for event-e83d5ca2da11369bd2b89efa
Label / candidateParty codeVotesShareSeatsStatus
PAN_PRI_PRDmexico/S655f23f9db/202422,41345.3%UnknownRecorded
MORENAmexico/S655f23f9db/202419,35439.1%UnknownRecorded
MCmexico/S655f23f9db/20242,2094.5%UnknownRecorded
PTmexico/S655f23f9db/20242,0364.1%UnknownRecorded
PVEMmexico/S655f23f9db/20241,1652.4%UnknownRecorded

2021

Special · Legal certification not established · candidate marks

  • PAN30.6%
  • MORENA28.6%
  • CAND_IND311.6%
  • PRI_PRD9.0%
  • MC3.6%
  • CAND_IND113.1%
  • PT2.3%
  • PVEM1.9%
  • NA_GTO1.8%
  • RSP1.8%
  • PES1.1%
  • FXM1.0%
Results for event-7bcc199af6b5db349e90cb3d
Label / candidateParty codeVotesShareSeatsStatus
PANmexico/S165aef1f94/202111,39730.6%UnknownRecorded
MORENAmexico/S165aef1f94/202110,62428.6%UnknownRecorded
CAND_IND3mexico/S165aef1f94/20214,30611.6%UnknownRecorded
PRI_PRDmexico/S165aef1f94/20213,3529%UnknownRecorded
MCmexico/S165aef1f94/20211,3563.6%UnknownRecorded
CAND_IND11mexico/S165aef1f94/20211,1463.1%UnknownRecorded
PTmexico/S165aef1f94/20218572.3%UnknownRecorded
PVEMmexico/S165aef1f94/20217081.9%UnknownRecorded
NA_GTOmexico/S165aef1f94/20216601.8%UnknownRecorded
RSPmexico/S165aef1f94/20216521.8%UnknownRecorded
PESmexico/S165aef1f94/20214261.1%UnknownRecorded
FXMmexico/S165aef1f94/20213631%UnknownRecorded

2018

Special · Legal certification not established · candidate marks

  • MORENA_PT_ES27.9%
  • PRD21.1%
  • PAN17.9%
  • CAND_IND413.6%
  • PRI5.6%
  • PVEM3.2%
  • PANAL2.3%
  • MC2.1%
  • CAND_IND31.8%
Results for event-94854a6e2323b7705384e3f8
Label / candidateParty codeVotesShareSeatsStatus
MORENA_PT_ESmexico/S091c2f4948/201812,55027.9%UnknownRecorded
PRDmexico/S091c2f4948/20189,48721.1%UnknownRecorded
PANmexico/S091c2f4948/20188,05017.9%UnknownRecorded
CAND_IND4mexico/S091c2f4948/20186,11113.6%UnknownRecorded
PRImexico/S091c2f4948/20182,5085.6%UnknownRecorded
PVEMmexico/S091c2f4948/20181,4323.2%UnknownRecorded
PANALmexico/S091c2f4948/20181,0452.3%UnknownRecorded
MCmexico/S091c2f4948/20189572.1%UnknownRecorded
CAND_IND3mexico/S091c2f4948/20188051.8%UnknownRecorded

4. Competition and volatility

competition index

Provisional imported-series CI

73.750–100 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=6.484091824405965, oldest_gap=7.132378623821165, previous_gap=2.156386866404439

pedersen volatility

Provisional volatility

31.79percentage 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=[[0,0,0,4.315662293066537,2.4694236598342414,4.682366407359519,41.02422790766687,47.508319732072835],[31.793455519290315,0,0,2.3907160989762044,1.9750606745334338,3.7827433258013223,29.637068652885876,30.420955728512848],[18.744906275468622,5.8400279427174295,22.091046687623706,0,3.3344976132262194,2.228431714984282,0,47.76108976597974]]

pedersen volatility

Provisional volatility

46.63percentage 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=[[0,0,0,4.315662293066537,2.4694236598342414,4.682366407359519,41.02422790766687,47.508319732072835],[31.793455519290315,0,0,2.3907160989762044,1.9750606745334338,3.7827433258013223,29.637068652885876,30.420955728512848],[18.744906275468622,5.8400279427174295,22.091046687623706,0,3.3344976132262194,2.228431714984282,0,47.76108976597974]]

pedersen volatility

Provisional volatility

39.21percentage 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=[[0,0,0,4.315662293066537,2.4694236598342414,4.682366407359519,41.02422790766687,47.508319732072835],[31.793455519290315,0,0,2.3907160989762044,1.9750606745334338,3.7827433258013223,29.637068652885876,30.420955728512848],[18.744906275468622,5.8400279427174295,22.091046687623706,0,3.3344976132262194,2.228431714984282,0,47.76108976597974]]

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. “ACAMBARO — Municipal government.” Subnational Election Observatory, releaselatin-america-fe5e91689def, snapshot 2026-09-13. /electiondatabase/offices/MX-M-11-2. Sources: mexico--url-3635e08ffbefd711526cbeea, mexico--S655f23f9db, mexico--S165aef1f94, mexico--S091c2f4948.