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

Office briefing

OLINALA — Municipal government

Tracked current office. Identifiers stay separate from display names.

Mexico · OLINALA / GUERRERO · municipal · Municipal governmentMX-M-12-46

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
OLINALA / GUERRERO
Next election
2027-06-06
Linked upcoming event
next-332cd0f49e845c33fb3ff597
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_PRD47.4%
  • PT_PVEM_MORENA37.1%
  • MC10.6%
  • PAC0.9%
  • PBG0.4%
  • MLGRO0.3%
Results for event-7daee2915a8f488453294044
Label / candidateParty codeVotesShareSeatsStatus
PAN_PRI_PRDmexico/S540742c4ac/20246,87747.4%UnknownRecorded
PT_PVEM_MORENAmexico/S540742c4ac/20245,37537.1%UnknownRecorded
MCmexico/S540742c4ac/20241,54310.6%UnknownRecorded
PACmexico/S540742c4ac/20241310.9%UnknownRecorded
PBGmexico/S540742c4ac/2024520.4%UnknownRecorded
MLGROmexico/S540742c4ac/2024500.3%UnknownRecorded

2021

Special · Legal certification not established · candidate marks

  • MORENA51.7%
  • PRI40.0%
  • MC4.1%
  • PT1.2%
  • PRD0.8%
Results for event-45129147694145353a73836c
Label / candidateParty codeVotesShareSeatsStatus
MORENAmexico/S0b2aaeeaf6/20217,42051.7%UnknownRecorded
PRImexico/S0b2aaeeaf6/20215,73940%UnknownRecorded
MCmexico/S0b2aaeeaf6/20215824.1%UnknownRecorded
PTmexico/S0b2aaeeaf6/20211721.2%UnknownRecorded
PRDmexico/S0b2aaeeaf6/20211190.8%UnknownRecorded

2018

Special · Legal certification not established · candidate marks

  • PRI54.9%
  • PT22.5%
  • MORENA_ES12.0%
  • PAN_PRD_MC5.7%
  • PVEM0.4%
  • CG0.3%
  • PSG0.3%
  • PANAL0.1%
  • PPG0.0%
  • IHG0.0%
Results for event-8f1f7a4ddf689de5783bddad
Label / candidateParty codeVotesShareSeatsStatus
PRImexico/S20cb4bbdbe/20187,31754.9%UnknownRecorded
PTmexico/S20cb4bbdbe/20182,99322.5%UnknownRecorded
MORENA_ESmexico/S20cb4bbdbe/20181,59412%UnknownRecorded
PAN_PRD_MCmexico/S20cb4bbdbe/20187545.7%UnknownRecorded
PVEMmexico/S20cb4bbdbe/2018490.4%UnknownRecorded
CGmexico/S20cb4bbdbe/2018370.3%UnknownRecorded
PSGmexico/S20cb4bbdbe/2018340.3%UnknownRecorded
PANALmexico/S20cb4bbdbe/2018170.1%UnknownRecorded
PPGmexico/S20cb4bbdbe/201850%UnknownRecorded
IHGmexico/S20cb4bbdbe/201830%UnknownRecorded

4. Competition and volatility

competition index

Provisional imported-series CI

33.020–100 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=10.707157114342742, oldest_gap=33.77333437475592, previous_gap=11.97976054732041

pedersen volatility

Provisional volatility

95.85percentage 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=[[0,0,0,0,0,10.999429712004563,0,89.00057028799544],[0,40.899372862029644,0.8480615735461802,1.225769669327252,0,4.1476624857468645,52.879133409350054,0],[0,57.15066781223151,0,23.377333437475592,0.3827227993439038,0,0,19.089275950948995]]

pedersen volatility

Provisional volatility

57.87percentage 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=[[0,0,0,0,0,10.999429712004563,0,89.00057028799544],[0,40.899372862029644,0.8480615735461802,1.225769669327252,0,4.1476624857468645,52.879133409350054,0],[0,57.15066781223151,0,23.377333437475592,0.3827227993439038,0,0,19.089275950948995]]

pedersen volatility

Provisional volatility

76.86percentage 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=[[0,0,0,0,0,10.999429712004563,0,89.00057028799544],[0,40.899372862029644,0.8480615735461802,1.225769669327252,0,4.1476624857468645,52.879133409350054,0],[0,57.15066781223151,0,23.377333437475592,0.3827227993439038,0,0,19.089275950948995]]

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. “OLINALA — Municipal government.” Subnational Election Observatory, releaselatin-america-fe5e91689def, snapshot 2026-09-13. /electiondatabase/offices/MX-M-12-46. Sources: mexico--url-3635e08ffbefd711526cbeea, mexico--S540742c4ac, mexico--S0b2aaeeaf6, mexico--S20cb4bbdbe.