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

Office briefing

CHILPANCINGO DE LOS BRAVO — Municipal government

Tracked current office. Identifiers stay separate from display names.

Mexico · CHILPANCINGO DE LOS BRAVO / GUERRERO · municipal · Municipal governmentMX-M-12-29

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
CHILPANCINGO DE LOS BRAVO / GUERRERO
Next election
2027-06-06
Linked upcoming event
next-219defee86e9e18a221d5bbd
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_PRD43.5%
  • PT_PVEM_MORENA41.9%
  • MC7.4%
  • PBG0.9%
  • PAC0.7%
  • PES0.6%
  • MLGRO0.4%
  • REGENERACION0.3%
  • MA0.3%
  • PSG0.3%
Results for event-64b0bbe29ce8631dd3fa6b5f
Label / candidateParty codeVotesShareSeatsStatus
PAN_PRI_PRDmexico/S31e6e514d2/202447,62343.5%UnknownRecorded
PT_PVEM_MORENAmexico/S31e6e514d2/202445,90541.9%UnknownRecorded
MCmexico/S31e6e514d2/20248,1177.4%UnknownRecorded
PBGmexico/S31e6e514d2/20241,0040.9%UnknownRecorded
PACmexico/S31e6e514d2/20247760.7%UnknownRecorded
PESmexico/S31e6e514d2/20247010.6%UnknownRecorded
MLGROmexico/S31e6e514d2/20244540.4%UnknownRecorded
REGENERACIONmexico/S31e6e514d2/20243620.3%UnknownRecorded
MAmexico/S31e6e514d2/20243190.3%UnknownRecorded
PSGmexico/S31e6e514d2/20243160.3%UnknownRecorded

2021

Special · Legal certification not established · candidate marks

  • MORENA49.4%
  • PRI_PRD37.1%
  • PAN3.3%
  • MC2.4%
  • PVEM2.2%
  • PES1.0%
  • RSP0.7%
  • PT0.7%
  • FXP0.5%
Results for event-13b7d512f21f25c0d3be832e
Label / candidateParty codeVotesShareSeatsStatus
MORENAmexico/Se9f89e5d3b/202154,06049.4%UnknownRecorded
PRI_PRDmexico/Se9f89e5d3b/202140,58337.1%UnknownRecorded
PANmexico/Se9f89e5d3b/20213,5623.3%UnknownRecorded
MCmexico/Se9f89e5d3b/20212,6172.4%UnknownRecorded
PVEMmexico/Se9f89e5d3b/20212,4502.2%UnknownRecorded
PESmexico/Se9f89e5d3b/20211,1171%UnknownRecorded
RSPmexico/Se9f89e5d3b/20218030.7%UnknownRecorded
PTmexico/Se9f89e5d3b/20217320.7%UnknownRecorded
FXPmexico/Se9f89e5d3b/20215300.5%UnknownRecorded

2018

Special · Legal certification not established · candidate marks

  • PAN_PRD_MC35.8%
  • MORENA31.3%
  • PRI_PVEM19.8%
  • PT3.9%
  • PPG2.1%
  • ES1.1%
  • PANAL0.7%
  • CG0.4%
  • PSG0.3%
  • PSM0.2%
  • IHG0.2%
Results for event-93a3785b955ea591108d06db
Label / candidateParty codeVotesShareSeatsStatus
PAN_PRD_MCmexico/S57627d0669/201842,54135.8%UnknownRecorded
MORENAmexico/S57627d0669/201837,22731.3%UnknownRecorded
PRI_PVEMmexico/S57627d0669/201823,53619.8%UnknownRecorded
PTmexico/S57627d0669/20184,6373.9%UnknownRecorded
PPGmexico/S57627d0669/20182,5462.1%UnknownRecorded
ESmexico/S57627d0669/20181,3031.1%UnknownRecorded
PANALmexico/S57627d0669/20188120.7%UnknownRecorded
CGmexico/S57627d0669/20184960.4%UnknownRecorded
PSGmexico/S57627d0669/20184030.3%UnknownRecorded
PSMmexico/S57627d0669/20182390.2%UnknownRecorded
IHGmexico/S57627d0669/20181910.2%UnknownRecorded

4. Competition and volatility

competition index

Provisional imported-series CI

73.80–100 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=1.6272483590175852, oldest_gap=4.664226593288916, previous_gap=12.659928231912374

pedersen volatility

Provisional volatility

57.12percentage 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=[[0,0,0,0,0,7.688227549560984,0,92.31177245043904],[3.3460461795705188,0,0,0.6876209442576137,2.301463542938734,2.4583388130084356,50.78249760459917,40.42403291562553],[0,0,0,4.0700072851111635,0,0,32.67504015588383,63.25495255900502]]

pedersen volatility

Provisional volatility

26.21percentage 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: Previous interval

Method pedersen.grouped.v1. Inputs: groups=["PAN","PRI","PRD","PT","PVEM","MC","MORENA","Other"], interval=Previous interval, vectors=[[0,0,0,0,0,7.688227549560984,0,92.31177245043904],[3.3460461795705188,0,0,0.6876209442576137,2.301463542938734,2.4583388130084356,50.78249760459917,40.42403291562553],[0,0,0,4.0700072851111635,0,0,32.67504015588383,63.25495255900502]]

pedersen volatility

Provisional volatility

41.67percentage 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=[[0,0,0,0,0,7.688227549560984,0,92.31177245043904],[3.3460461795705188,0,0,0.6876209442576137,2.301463542938734,2.4583388130084356,50.78249760459917,40.42403291562553],[0,0,0,4.0700072851111635,0,0,32.67504015588383,63.25495255900502]]

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. “CHILPANCINGO DE LOS BRAVO — Municipal government.” Subnational Election Observatory, releaselatin-america-fe5e91689def, snapshot 2026-09-13. /electiondatabase/offices/MX-M-12-29. Sources: mexico--url-3635e08ffbefd711526cbeea, mexico--S31e6e514d2, mexico--Se9f89e5d3b, mexico--S57627d0669.