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

Office briefing

ZAMORA — Municipal government

Tracked current office. Identifiers stay separate from display names.

Mexico · ZAMORA / MICHOACAN · municipal · Municipal governmentMX-M-16-109

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
ZAMORA / MICHOACAN
Next election
2027-06-06
Linked upcoming event
next-0524117d0297c0d195bd7c8b
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

  • PAN41.1%
  • PT_PVEM_MORENA36.9%
  • C_PRI_PRD8.1%
  • MM7.3%
  • MC2.9%
  • TMX0.3%
  • PRI0.0%
  • PRD0.0%
  • PT0.0%
  • PVEM0.0%
  • MORENA0.0%
  • PESM0.0%
  • MICH10.0%
  • CAND_IND10.0%
  • CAND_IND20.0%
  • CAND_IND30.0%
  • CAND_IND40.0%
  • CAND_IND50.0%
  • CAND_IND60.0%
  • C_PAN_PRI_PRD0.0%
  • C_PAN_PRI0.0%
  • C_PAN_PRD0.0%
  • C_PRD_PESM0.0%
  • C_PT_PVEM0.0%
  • C_PT_MORENA0.0%
  • C_PT_PESM0.0%
  • C_PVEM_MORENA0.0%
Results for event-a3adb142e410ff1f63c2c10c
Label / candidateParty codeVotesShareSeatsStatus
PANmexico/S7e2ba5fc2b/202429,07941.1%UnknownRecorded
PT_PVEM_MORENAmexico/S7e2ba5fc2b/202426,06436.9%UnknownRecorded
C_PRI_PRDmexico/S7e2ba5fc2b/20245,6948.1%UnknownRecorded
MMmexico/S7e2ba5fc2b/20245,1447.3%UnknownRecorded
MCmexico/S7e2ba5fc2b/20242,0832.9%UnknownRecorded
TMXmexico/S7e2ba5fc2b/20242420.3%UnknownRecorded
PRImexico/S7e2ba5fc2b/20240 (recorded zero)0% (recorded zero)UnknownRecorded
PRDmexico/S7e2ba5fc2b/20240 (recorded zero)0% (recorded zero)UnknownRecorded
PTmexico/S7e2ba5fc2b/20240 (recorded zero)0% (recorded zero)UnknownRecorded
PVEMmexico/S7e2ba5fc2b/20240 (recorded zero)0% (recorded zero)UnknownRecorded
MORENAmexico/S7e2ba5fc2b/20240 (recorded zero)0% (recorded zero)UnknownRecorded
PESMmexico/S7e2ba5fc2b/20240 (recorded zero)0% (recorded zero)UnknownRecorded
MICH1mexico/S7e2ba5fc2b/20240 (recorded zero)0% (recorded zero)UnknownRecorded
CAND_IND1mexico/S7e2ba5fc2b/20240 (recorded zero)0% (recorded zero)UnknownRecorded
CAND_IND2mexico/S7e2ba5fc2b/20240 (recorded zero)0% (recorded zero)UnknownRecorded
CAND_IND3mexico/S7e2ba5fc2b/20240 (recorded zero)0% (recorded zero)UnknownRecorded
CAND_IND4mexico/S7e2ba5fc2b/20240 (recorded zero)0% (recorded zero)UnknownRecorded
CAND_IND5mexico/S7e2ba5fc2b/20240 (recorded zero)0% (recorded zero)UnknownRecorded
CAND_IND6mexico/S7e2ba5fc2b/20240 (recorded zero)0% (recorded zero)UnknownRecorded
C_PAN_PRI_PRDmexico/S7e2ba5fc2b/20240 (recorded zero)0% (recorded zero)UnknownRecorded
C_PAN_PRImexico/S7e2ba5fc2b/20240 (recorded zero)0% (recorded zero)UnknownRecorded
C_PAN_PRDmexico/S7e2ba5fc2b/20240 (recorded zero)0% (recorded zero)UnknownRecorded
C_PRD_PESMmexico/S7e2ba5fc2b/20240 (recorded zero)0% (recorded zero)UnknownRecorded
C_PT_PVEMmexico/S7e2ba5fc2b/20240 (recorded zero)0% (recorded zero)UnknownRecorded
C_PT_MORENAmexico/S7e2ba5fc2b/20240 (recorded zero)0% (recorded zero)UnknownRecorded
C_PT_PESMmexico/S7e2ba5fc2b/20240 (recorded zero)0% (recorded zero)UnknownRecorded
C_PVEM_MORENAmexico/S7e2ba5fc2b/20240 (recorded zero)0% (recorded zero)UnknownRecorded

2021

Special · Legal certification not established · candidate marks

  • PAN31.6%
  • PRI_PRD23.8%
  • PT_MORENA23.6%
  • PVEM8.2%
  • MC5.9%
  • PES2.0%
  • FXM1.0%
  • RSP0.6%
Results for event-b10b454293d79519e9b70733
Label / candidateParty codeVotesShareSeatsStatus
PANmexico/S5b7b2e2b66/202118,22331.6%UnknownRecorded
PRI_PRDmexico/S5b7b2e2b66/202113,74723.8%UnknownRecorded
PT_MORENAmexico/S5b7b2e2b66/202113,62923.6%UnknownRecorded
PVEMmexico/S5b7b2e2b66/20214,7378.2%UnknownRecorded
MCmexico/S5b7b2e2b66/20213,3995.9%UnknownRecorded
PESmexico/S5b7b2e2b66/20211,1762%UnknownRecorded
FXMmexico/S5b7b2e2b66/20216031%UnknownRecorded
RSPmexico/S5b7b2e2b66/20213390.6%UnknownRecorded

2018

Special · Legal certification not established · candidate marks

  • PT_MORENA35.5%
  • PRI17.9%
  • PAN_PRD15.0%
  • MC9.3%
  • CAND_IND329.2%
  • PVEM6.9%
  • ES1.4%
Results for event-3963108f11e863f1d1beecec
Label / candidateParty codeVotesShareSeatsStatus
PT_MORENAmexico/Scf8448f1f1/201826,14235.5%UnknownRecorded
PRImexico/Scf8448f1f1/201813,16117.9%UnknownRecorded
PAN_PRDmexico/Scf8448f1f1/201811,01415%UnknownRecorded
MCmexico/Scf8448f1f1/20186,8549.3%UnknownRecorded
CAND_IND32mexico/Scf8448f1f1/20186,7749.2%UnknownRecorded
PVEMmexico/Scf8448f1f1/20185,1106.9%UnknownRecorded
ESmexico/Scf8448f1f1/20181,0241.4%UnknownRecorded

4. Competition and volatility

competition index

Provisional imported-series CI

65.480–100 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=4.413960706233709, oldest_gap=18.523380756003938, previous_gap=8.013893613592824

pedersen volatility

Provisional volatility

11.52percentage 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=[[42.57166281146605,0,0,0,0,3.049512487921998,0,54.37882470061196],[32.62671655954022,0,0,0,8.481191699640126,6.085617603351655,0,52.806474137467994],[0,18.78023373621199,0,0,7.291770715906334,9.780390701922116,0,64.14760484595956]]

pedersen volatility

Provisional volatility

33.82percentage 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=[[42.57166281146605,0,0,0,0,3.049512487921998,0,54.37882470061196],[32.62671655954022,0,0,0,8.481191699640126,6.085617603351655,0,52.806474137467994],[0,18.78023373621199,0,0,7.291770715906334,9.780390701922116,0,64.14760484595956]]

pedersen volatility

Provisional volatility

22.67percentage 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=[[42.57166281146605,0,0,0,0,3.049512487921998,0,54.37882470061196],[32.62671655954022,0,0,0,8.481191699640126,6.085617603351655,0,52.806474137467994],[0,18.78023373621199,0,0,7.291770715906334,9.780390701922116,0,64.14760484595956]]

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. “ZAMORA — Municipal government.” Subnational Election Observatory, releaselatin-america-fe5e91689def, snapshot 2026-09-13. /electiondatabase/offices/MX-M-16-109. Sources: mexico--url-3635e08ffbefd711526cbeea, mexico--S7e2ba5fc2b, mexico--S5b7b2e2b66, mexico--Scf8448f1f1.