Skip to observatory content

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

Office briefing

SILAO DE LA VICTORIA — Municipal government

Tracked current office. Identifiers stay separate from display names.

Mexico · SILAO DE LA VICTORIA / GUANAJUATO · municipal · Municipal governmentMX-M-11-37

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
SILAO DE LA VICTORIA / GUANAJUATO
Next election
2027-06-06
Linked upcoming event
next-acfcd321cbcdde3195c1fc3a
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_PRD36.1%
  • MORENA35.7%
  • MC17.8%
  • PVEM4.0%
  • PT2.6%
Results for event-2d6729ca6606a69e17e02b81
Label / candidateParty codeVotesShareSeatsStatus
PAN_PRI_PRDmexico/S0fb90f0b0f/202427,06636.1%UnknownRecorded
MORENAmexico/S0fb90f0b0f/202426,79135.7%UnknownRecorded
MCmexico/S0fb90f0b0f/202413,39217.8%UnknownRecorded
PVEMmexico/S0fb90f0b0f/20242,9934%UnknownRecorded
PTmexico/S0fb90f0b0f/20241,9162.6%UnknownRecorded

2021

Special · Legal certification not established · candidate marks

  • MORENA35.3%
  • PAN33.9%
  • PRI_PRD11.3%
  • PVEM4.2%
  • NA_GTO4.0%
  • CAND_IND93.8%
  • MC1.8%
  • FXM1.2%
  • PES1.1%
  • RSP1.0%
Results for event-77cccb7284e2ff76464d8bf2
Label / candidateParty codeVotesShareSeatsStatus
MORENAmexico/S5c7e0d7280/202118,58735.3%UnknownRecorded
PANmexico/S5c7e0d7280/202117,85633.9%UnknownRecorded
PRI_PRDmexico/S5c7e0d7280/20215,94711.3%UnknownRecorded
PVEMmexico/S5c7e0d7280/20212,2354.2%UnknownRecorded
NA_GTOmexico/S5c7e0d7280/20212,0944%UnknownRecorded
CAND_IND9mexico/S5c7e0d7280/20211,9983.8%UnknownRecorded
MCmexico/S5c7e0d7280/20219671.8%UnknownRecorded
FXMmexico/S5c7e0d7280/20216531.2%UnknownRecorded
PESmexico/S5c7e0d7280/20215741.1%UnknownRecorded
RSPmexico/S5c7e0d7280/20215321%UnknownRecorded

2018

Special · Legal certification not established · candidate marks

  • PAN33.6%
  • MORENA_PT_ES27.2%
  • PRI17.6%
  • PVEM13.3%
  • PANAL2.0%
  • PRD1.9%
  • MC1.3%
Results for event-6466594f89c055223c03cf17
Label / candidateParty codeVotesShareSeatsStatus
PANmexico/Sbc6bd49c0d/201820,14633.6%UnknownRecorded
MORENA_PT_ESmexico/Sbc6bd49c0d/201816,31927.2%UnknownRecorded
PRImexico/Sbc6bd49c0d/201810,56017.6%UnknownRecorded
PVEMmexico/Sbc6bd49c0d/20187,95313.3%UnknownRecorded
PANALmexico/Sbc6bd49c0d/20181,1962%UnknownRecorded
PRDmexico/Sbc6bd49c0d/20181,1571.9%UnknownRecorded
MCmexico/Sbc6bd49c0d/20187941.3%UnknownRecorded

4. Competition and volatility

competition index

Provisional imported-series CI

93.430–100 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=0.3811081238393541, oldest_gap=6.5840860215053745, previous_gap=1.4209902221876618

pedersen volatility

Provisional volatility

34.91percentage 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=[[0,0,0,2.655284237367998,4.147842235095208,18.559272707114943,37.12824634829125,37.5093544721306],[34.7102618432051,0,0,0,4.344614427618918,1.8797504033590575,36.131252065392765,22.93412126042416],[34.659784946236556,18.16774193548387,1.990537634408602,0,13.68258064516129,1.366021505376344,0,30.133333333333333]]

pedersen volatility

Provisional volatility

36.7percentage 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=[[0,0,0,2.655284237367998,4.147842235095208,18.559272707114943,37.12824634829125,37.5093544721306],[34.7102618432051,0,0,0,4.344614427618918,1.8797504033590575,36.131252065392765,22.93412126042416],[34.659784946236556,18.16774193548387,1.990537634408602,0,13.68258064516129,1.366021505376344,0,30.133333333333333]]

pedersen volatility

Provisional volatility

35.8percentage 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=[[0,0,0,2.655284237367998,4.147842235095208,18.559272707114943,37.12824634829125,37.5093544721306],[34.7102618432051,0,0,0,4.344614427618918,1.8797504033590575,36.131252065392765,22.93412126042416],[34.659784946236556,18.16774193548387,1.990537634408602,0,13.68258064516129,1.366021505376344,0,30.133333333333333]]

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. “SILAO DE LA VICTORIA — Municipal government.” Subnational Election Observatory, releaselatin-america-fe5e91689def, snapshot 2026-09-13. /electiondatabase/offices/MX-M-11-37. Sources: mexico--url-3635e08ffbefd711526cbeea, mexico--S0fb90f0b0f, mexico--S5c7e0d7280, mexico--Sbc6bd49c0d.