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

Office briefing

GUAYMAS — Municipal government

Tracked current office. Identifiers stay separate from display names.

Mexico · GUAYMAS / SONORA · municipal · Municipal governmentMX-M-26-61

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
GUAYMAS / SONORA
Next election
2027-06-06
Linked upcoming event
next-2da7b60230e93e022e14f200
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

  • C_MORENA_PT_PVEM_NAS_PES59.5%
  • PAN_PRI_PRD26.3%
  • MC6.9%
  • PS4.9%
Results for event-f89ee49aae73e8102469c703
Label / candidateParty codeVotesShareSeatsStatus
C_MORENA_PT_PVEM_NAS_PESmexico/Sbed1be4bba/202435,40559.5%UnknownRecorded
PAN_PRI_PRDmexico/Sbed1be4bba/202415,63126.3%UnknownRecorded
MCmexico/Sbed1be4bba/20244,1306.9%UnknownRecorded
PSmexico/Sbed1be4bba/20242,8894.9%UnknownRecorded

2021

Special · Legal certification not established · candidate marks

  • MORENA34.0%
  • PT27.4%
  • CAND_COM_PAN_PRI_PRD21.4%
  • MC4.2%
  • PES3.3%
  • FXM2.0%
  • PVEM1.6%
  • CAND_IND101.6%
  • RSP0.9%
Results for event-8b41054ee73a41e1e489448e
Label / candidateParty codeVotesShareSeatsStatus
MORENAmexico/Scedd9cc88d/202116,52634%UnknownRecorded
PTmexico/Scedd9cc88d/202113,29527.4%UnknownRecorded
CAND_COM_PAN_PRI_PRDmexico/Scedd9cc88d/202110,38721.4%UnknownRecorded
MCmexico/Scedd9cc88d/20212,0434.2%UnknownRecorded
PESmexico/Scedd9cc88d/20211,6263.3%UnknownRecorded
FXMmexico/Scedd9cc88d/20219902%UnknownRecorded
PVEMmexico/Scedd9cc88d/20217931.6%UnknownRecorded
CAND_IND10mexico/Scedd9cc88d/20217571.6%UnknownRecorded
RSPmexico/Scedd9cc88d/20214310.9%UnknownRecorded

2018

Special · Legal certification not established · candidate marks

  • PT_MORENA_ES55.6%
  • PRI_PVEM_PANAL22.5%
  • PAN_PRD8.6%
  • CAND_IND35.7%
  • MC4.0%
  • MAS1.4%
Results for event-38eea89b8b10cc4c48897b74
Label / candidateParty codeVotesShareSeatsStatus
PT_MORENA_ESmexico/S7bcac20bf6/201832,35655.6%UnknownRecorded
PRI_PVEM_PANALmexico/S7bcac20bf6/201813,07722.5%UnknownRecorded
PAN_PRDmexico/S7bcac20bf6/20185,0078.6%UnknownRecorded
CAND_IND3mexico/S7bcac20bf6/20183,3485.7%UnknownRecorded
MCmexico/S7bcac20bf6/20182,3514%UnknownRecorded
MASmexico/S7bcac20bf6/20188061.4%UnknownRecorded

4. Competition and volatility

competition index

Provisional imported-series CI

0 (recorded zero)0–100 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=34.06080440961158, oldest_gap=33.8554745807358, previous_gap=6.8967725409836085

pedersen volatility

Provisional volatility

65.35percentage 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=[[0,0,0,0,0,7.113943674102145,0,92.88605632589785],[0,0,0,28.379012978142075,1.6927083333333333,4.360911885245901,35.275785519125684,30.291581284153008],[0,0,0,0,0,4.128545087365001,0,95.871454912635]]

pedersen volatility

Provisional volatility

65.58percentage 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=[[0,0,0,0,0,7.113943674102145,0,92.88605632589785],[0,0,0,28.379012978142075,1.6927083333333333,4.360911885245901,35.275785519125684,30.291581284153008],[0,0,0,0,0,4.128545087365001,0,95.871454912635]]

pedersen volatility

Provisional volatility

65.46percentage 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=[[0,0,0,0,0,7.113943674102145,0,92.88605632589785],[0,0,0,28.379012978142075,1.6927083333333333,4.360911885245901,35.275785519125684,30.291581284153008],[0,0,0,0,0,4.128545087365001,0,95.871454912635]]

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. “GUAYMAS — Municipal government.” Subnational Election Observatory, releaselatin-america-fe5e91689def, snapshot 2026-09-13. /electiondatabase/offices/MX-M-26-61. Sources: mexico--url-3635e08ffbefd711526cbeea, mexico--Sbed1be4bba, mexico--Scedd9cc88d, mexico--S7bcac20bf6.