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

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Office briefing

AMATENANGO DE LA FRONTERA — Municipal government

Tracked current office. Identifiers stay separate from display names.

Mexico · AMATENANGO DE LA FRONTERA / CHIAPAS · municipal · Municipal governmentMX-M-7-6

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
AMATENANGO DE LA FRONTERA / CHIAPAS
Next election
2027-06-06
Linked upcoming event
next-88b245368689eb54c5e4d39e
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

  • PVEM58.4%
  • PT21.2%
  • MORENA7.1%
  • PES3.1%
  • PAN_PRI_PRD2.6%
  • MC0.7%
  • FXM0.3%
  • PCHU0.2%
Results for event-a27009502822f0888c98c058
Label / candidateParty codeVotesShareSeatsStatus
PVEMmexico/S6695c5b3be/20247,17758.4%UnknownRecorded
PTmexico/S6695c5b3be/20242,60721.2%UnknownRecorded
MORENAmexico/S6695c5b3be/20248737.1%UnknownRecorded
PESmexico/S6695c5b3be/20243783.1%UnknownRecorded
PAN_PRI_PRDmexico/S6695c5b3be/20243212.6%UnknownRecorded
MCmexico/S6695c5b3be/2024880.7%UnknownRecorded
FXMmexico/S6695c5b3be/2024320.3%UnknownRecorded
PCHUmexico/S6695c5b3be/2024230.2%UnknownRecorded

2021

Special · Legal certification not established · candidate marks

  • PVEM37.9%
  • MORENA29.3%
  • PES26.7%
  • PAN_PRI_PRD0.8%
  • RSP0.8%
  • PCHU0.7%
  • PMCH0.5%
  • PNA0.2%
  • MC0.2%
  • PT0.1%
  • PPCH0.1%
  • PAN0.0%
  • PRI0.0%
  • PRD0.0%
  • FXM0.0%
  • CAND_IND10.0%
  • CAND_IND20.0%
  • CAND_IND30.0%
  • CAND_IND40.0%
  • CAND_IND50.0%
  • CAND_IND60.0%
  • CAND_IND70.0%
  • CAND_IND80.0%
  • CAND_IND90.0%
  • CAND_IND100.0%
Results for event-1c7ed22a3f7216183e0ecf7a
Label / candidateParty codeVotesShareSeatsStatus
PVEMmexico/S423c7b8800/20216,29737.9%UnknownRecorded
MORENAmexico/S423c7b8800/20214,86729.3%UnknownRecorded
PESmexico/S423c7b8800/20214,44226.7%UnknownRecorded
PAN_PRI_PRDmexico/S423c7b8800/20211330.8%UnknownRecorded
RSPmexico/S423c7b8800/20211310.8%UnknownRecorded
PCHUmexico/S423c7b8800/20211090.7%UnknownRecorded
PMCHmexico/S423c7b8800/2021830.5%UnknownRecorded
PNAmexico/S423c7b8800/2021380.2%UnknownRecorded
MCmexico/S423c7b8800/2021340.2%UnknownRecorded
PTmexico/S423c7b8800/2021210.1%UnknownRecorded
PPCHmexico/S423c7b8800/202190.1%UnknownRecorded
PANmexico/S423c7b8800/20210 (recorded zero)0% (recorded zero)UnknownRecorded
PRImexico/S423c7b8800/20210 (recorded zero)0% (recorded zero)UnknownRecorded
PRDmexico/S423c7b8800/20210 (recorded zero)0% (recorded zero)UnknownRecorded
FXMmexico/S423c7b8800/20210 (recorded zero)0% (recorded zero)UnknownRecorded
CAND_IND1mexico/S423c7b8800/20210 (recorded zero)0% (recorded zero)UnknownRecorded
CAND_IND2mexico/S423c7b8800/20210 (recorded zero)0% (recorded zero)UnknownRecorded
CAND_IND3mexico/S423c7b8800/20210 (recorded zero)0% (recorded zero)UnknownRecorded
CAND_IND4mexico/S423c7b8800/20210 (recorded zero)0% (recorded zero)UnknownRecorded
CAND_IND5mexico/S423c7b8800/20210 (recorded zero)0% (recorded zero)UnknownRecorded
CAND_IND6mexico/S423c7b8800/20210 (recorded zero)0% (recorded zero)UnknownRecorded
CAND_IND7mexico/S423c7b8800/20210 (recorded zero)0% (recorded zero)UnknownRecorded
CAND_IND8mexico/S423c7b8800/20210 (recorded zero)0% (recorded zero)UnknownRecorded
CAND_IND9mexico/S423c7b8800/20210 (recorded zero)0% (recorded zero)UnknownRecorded
CAND_IND10mexico/S423c7b8800/20210 (recorded zero)0% (recorded zero)UnknownRecorded

2018

Special · Legal certification not established · candidate marks

  • PRI27.1%
  • PVEM26.8%
  • PCU23.9%
  • PAN_PRD_MC14.0%
  • PT_MORENA_ES4.8%
  • MVC0.8%
  • PANAL0.2%
Results for event-913a2f29f5a70826075c014c
Label / candidateParty codeVotesShareSeatsStatus
PRImexico/S02ffd45041/20183,83827.1%UnknownRecorded
PVEMmexico/S02ffd45041/20183,79726.8%UnknownRecorded
PCUmexico/S02ffd45041/20183,38223.9%UnknownRecorded
PAN_PRD_MCmexico/S02ffd45041/20181,98614%UnknownRecorded
PT_MORENA_ESmexico/S02ffd45041/20186864.8%UnknownRecorded
MVCmexico/S02ffd45041/20181150.8%UnknownRecorded
PANALmexico/S02ffd45041/2018330.2%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=39.7425863118532, oldest_gap=0.29630700296306856, previous_gap=8.84682009403613

pedersen volatility

Provisional volatility

46.55percentage 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=[[0,0,0,22.671536655361336,62.41412296721454,0.765283937733716,7.591964518653796,6.557091921036612],[0,0,0,0.12991833704528583,38.956941351150704,0.21034397426379609,30.110121257114574,30.592675080425636],[0,27.73722627737226,0,0,27.440919274409193,0,0,44.821854448218545]]

pedersen volatility

Provisional volatility

41.97percentage 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=[[0,0,0,22.671536655361336,62.41412296721454,0.765283937733716,7.591964518653796,6.557091921036612],[0,0,0,0.12991833704528583,38.956941351150704,0.21034397426379609,30.110121257114574,30.592675080425636],[0,27.73722627737226,0,0,27.440919274409193,0,0,44.821854448218545]]

pedersen volatility

Provisional volatility

44.26percentage 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=[[0,0,0,22.671536655361336,62.41412296721454,0.765283937733716,7.591964518653796,6.557091921036612],[0,0,0,0.12991833704528583,38.956941351150704,0.21034397426379609,30.110121257114574,30.592675080425636],[0,27.73722627737226,0,0,27.440919274409193,0,0,44.821854448218545]]

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. “AMATENANGO DE LA FRONTERA — Municipal government.” Subnational Election Observatory, releaselatin-america-fe5e91689def, snapshot 2026-09-13. /electiondatabase/offices/MX-M-7-6. Sources: mexico--url-3635e08ffbefd711526cbeea, mexico--S6695c5b3be, mexico--S423c7b8800, mexico--S02ffd45041.