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

Office briefing

SAN JUAN BAUTISTA TUXTEPEC — Municipal government

Tracked current office. Identifiers stay separate from display names.

Mexico · SAN JUAN BAUTISTA TUXTEPEC / OAXACA · municipal · Municipal governmentMX-M-20-182

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
SAN JUAN BAUTISTA TUXTEPEC / OAXACA
Next election
2027-06-06
Linked upcoming event
next-aa4d1d0575f5a7289b62671b
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_PT_PUP_148.8%
  • MORENA32.3%
  • NAO6.4%
  • C_PVEM_FXMO_24.5%
  • C_PAN_PRI_PRD2.8%
  • MC1.2%
  • MUJER0.5%
Results for event-de323f3034a9052d044910c0
Label / candidateParty codeVotesShareSeatsStatus
C_PT_PUP_1mexico/S415c59f5bf/202435,59948.8%UnknownRecorded
MORENAmexico/S415c59f5bf/202423,50932.3%UnknownRecorded
NAOmexico/S415c59f5bf/20244,6656.4%UnknownRecorded
C_PVEM_FXMO_2mexico/S415c59f5bf/20243,2774.5%UnknownRecorded
C_PAN_PRI_PRDmexico/S415c59f5bf/20242,0392.8%UnknownRecorded
MCmexico/S415c59f5bf/20248571.2%UnknownRecorded
MUJERmexico/S415c59f5bf/20243420.5%UnknownRecorded

2021

Special · Legal certification not established · candidate marks

  • MORENA37.5%
  • NAO18.0%
  • PAN_PRI_415.8%
  • MC14.7%
  • FXM7.2%
  • PT_PVEM2.0%
  • PUP1.2%
  • PES0.9%
  • PRD0.3%
Results for event-b8dbc671f1f0ba471a21c1a9
Label / candidateParty codeVotesShareSeatsStatus
MORENAmexico/S885162a8b4/202125,69937.5%UnknownRecorded
NAOmexico/S885162a8b4/202112,36218%UnknownRecorded
PAN_PRI_4mexico/S885162a8b4/202110,83415.8%UnknownRecorded
MCmexico/S885162a8b4/202110,08114.7%UnknownRecorded
FXMmexico/S885162a8b4/20214,9517.2%UnknownRecorded
PT_PVEMmexico/S885162a8b4/20211,3662%UnknownRecorded
PUPmexico/S885162a8b4/20218271.2%UnknownRecorded
PESmexico/S885162a8b4/20216250.9%UnknownRecorded
PRDmexico/S885162a8b4/20212310.3%UnknownRecorded

2018

Special · Legal certification not established · candidate marks

  • PANAL47.6%
  • PT_MORENA_ES29.5%
  • PVEM8.6%
  • PRI5.1%
  • PAN_PRD_MC3.8%
  • CAND_IND21.0%
  • PUP0.3%
  • PMR0.2%
  • PSD0.2%
Results for event-53bc94de3185c171071c7e8b
Label / candidateParty codeVotesShareSeatsStatus
PANALmexico/S0493829de4/201837,55347.6%UnknownRecorded
PT_MORENA_ESmexico/S0493829de4/201823,22329.5%UnknownRecorded
PVEMmexico/S0493829de4/20186,7728.6%UnknownRecorded
PRImexico/S0493829de4/20184,0395.1%UnknownRecorded
PAN_PRD_MCmexico/S0493829de4/20182,9653.8%UnknownRecorded
CAND_IND2mexico/S0493829de4/20187671%UnknownRecorded
PUPmexico/S0493829de4/20182350.3%UnknownRecorded
PMRmexico/S0493829de4/20181460.2%UnknownRecorded
PSDmexico/S0493829de4/20181410.2%UnknownRecorded

4. Competition and volatility

competition index

Provisional imported-series CI

9.080–100 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=17.200660141133618, oldest_gap=18.89479305388906, previous_gap=19.91310320114668

pedersen volatility

Provisional volatility

19.1percentage 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=[[0,0,0,0,0,1.219269292055543,33.44667653084453,65.33405417709993],[0,0,0.3448996655518395,0,0,15.051660296225513,38.37046106067845,46.2329789775442],[0,5.325615432285967,0,0,8.929207157078626,0,0,85.74517741063542]]

pedersen volatility

Provisional volatility

53.77percentage 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=[[0,0,0,0,0,1.219269292055543,33.44667653084453,65.33405417709993],[0,0,0.3448996655518395,0,0,15.051660296225513,38.37046106067845,46.2329789775442],[0,5.325615432285967,0,0,8.929207157078626,0,0,85.74517741063542]]

pedersen volatility

Provisional volatility

36.43percentage 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=[[0,0,0,0,0,1.219269292055543,33.44667653084453,65.33405417709993],[0,0,0.3448996655518395,0,0,15.051660296225513,38.37046106067845,46.2329789775442],[0,5.325615432285967,0,0,8.929207157078626,0,0,85.74517741063542]]

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. “SAN JUAN BAUTISTA TUXTEPEC — Municipal government.” Subnational Election Observatory, releaselatin-america-fe5e91689def, snapshot 2026-09-13. /electiondatabase/offices/MX-M-20-182. Sources: mexico--url-3635e08ffbefd711526cbeea, mexico--S415c59f5bf, mexico--S885162a8b4, mexico--S0493829de4.