Skip to observatory content

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

Office briefing

ROMITA — Municipal government

Tracked current office. Identifiers stay separate from display names.

Mexico · ROMITA / GUANAJUATO · municipal · Municipal governmentMX-M-11-26

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
ROMITA / GUANAJUATO
Next election
2027-06-06
Linked upcoming event
next-0f675d228d41c6a61dbe6f8c
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

  • PAN44.1%
  • PRI27.1%
  • MORENA19.5%
  • PVEM4.5%
  • MC1.7%
Results for event-60ab4188f6eb48633a27a85f
Label / candidateParty codeVotesShareSeatsStatus
PANmexico/S1a8c6c236a/202413,24944.1%UnknownRecorded
PRImexico/S1a8c6c236a/20248,14427.1%UnknownRecorded
MORENAmexico/S1a8c6c236a/20245,85619.5%UnknownRecorded
PVEMmexico/S1a8c6c236a/20241,3534.5%UnknownRecorded
MCmexico/S1a8c6c236a/20245221.7%UnknownRecorded

2021

Special · Legal certification not established · candidate marks

  • PRI35.5%
  • PAN30.5%
  • MORENA25.4%
  • NA_GTO1.8%
  • PVEM1.6%
  • MC1.5%
  • PT1.3%
  • PRD0.6%
  • FXM0.2%
Results for event-2d7ae7c107ce58383254d0d4
Label / candidateParty codeVotesShareSeatsStatus
PRImexico/Sdd42aa8a18/20219,01735.5%UnknownRecorded
PANmexico/Sdd42aa8a18/20217,75330.5%UnknownRecorded
MORENAmexico/Sdd42aa8a18/20216,45025.4%UnknownRecorded
NA_GTOmexico/Sdd42aa8a18/20214701.8%UnknownRecorded
PVEMmexico/Sdd42aa8a18/20214091.6%UnknownRecorded
MCmexico/Sdd42aa8a18/20213781.5%UnknownRecorded
PTmexico/Sdd42aa8a18/20213351.3%UnknownRecorded
PRDmexico/Sdd42aa8a18/20211470.6%UnknownRecorded
FXMmexico/Sdd42aa8a18/2021480.2%UnknownRecorded

2018

Special · Legal certification not established · candidate marks

  • PRI40.1%
  • PAN25.5%
  • MORENA_PT_ES16.3%
  • PANAL11.2%
  • PVEM1.8%
  • PRD1.5%
  • MC0.6%
Results for event-1f5536fded668f04b3b39663
Label / candidateParty codeVotesShareSeatsStatus
PRImexico/S7d64c3e477/201810,10740.1%UnknownRecorded
PANmexico/S7d64c3e477/20186,43225.5%UnknownRecorded
MORENA_PT_ESmexico/S7d64c3e477/20184,12016.3%UnknownRecorded
PANALmexico/S7d64c3e477/20182,81311.2%UnknownRecorded
PVEMmexico/S7d64c3e477/20184581.8%UnknownRecorded
PRDmexico/S7d64c3e477/20183671.5%UnknownRecorded
MCmexico/S7d64c3e477/20181630.6%UnknownRecorded

4. Competition and volatility

competition index

Provisional imported-series CI

32.320–100 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=17.52849883257794, oldest_gap=15.024529844644313, previous_gap=5.0545847162794395

pedersen volatility

Provisional volatility

17.78percentage 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=[[45.49169070182667,27.96319186924873,0,0,4.645653069633292,1.792336217552534,20.107128141738773,0],[31.003319070660215,36.057903786939654,0.5878354060862958,1.3396249050265925,1.6355420482264966,1.5115767585076179,25.792778022153797,2.071420002399328],[26.295993458708097,41.32052330335241,1.500408830744072,0,1.8724448078495504,0.6663941128372853,0,28.344235486508587]]

pedersen volatility

Provisional volatility

32.68percentage 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=[[45.49169070182667,27.96319186924873,0,0,4.645653069633292,1.792336217552534,20.107128141738773,0],[31.003319070660215,36.057903786939654,0.5878354060862958,1.3396249050265925,1.6355420482264966,1.5115767585076179,25.792778022153797,2.071420002399328],[26.295993458708097,41.32052330335241,1.500408830744072,0,1.8724448078495504,0.6663941128372853,0,28.344235486508587]]

pedersen volatility

Provisional volatility

25.23percentage 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=[[45.49169070182667,27.96319186924873,0,0,4.645653069633292,1.792336217552534,20.107128141738773,0],[31.003319070660215,36.057903786939654,0.5878354060862958,1.3396249050265925,1.6355420482264966,1.5115767585076179,25.792778022153797,2.071420002399328],[26.295993458708097,41.32052330335241,1.500408830744072,0,1.8724448078495504,0.6663941128372853,0,28.344235486508587]]

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. “ROMITA — Municipal government.” Subnational Election Observatory, releaselatin-america-fe5e91689def, snapshot 2026-09-13. /electiondatabase/offices/MX-M-11-26. Sources: mexico--url-3635e08ffbefd711526cbeea, mexico--S1a8c6c236a, mexico--Sdd42aa8a18, mexico--S7d64c3e477.