BR

2026 Chamber Model

Last updated: 18 September 2026 · Model v1.00 · probabilistic projection based on qualitative and quantitative models · the models are not opinion polls · what changed →

Composition of the Chamber

All 513 seats in the Chamber of Deputies are renewed at this election. The map shows the mean projection by party or federation for 2027, with the option to see today's bench and the one elected in 2022.

PT/PCdoB/PVPT/PCdoB/PVPT/PCdoB/PVPT/PCdoB/PVPT/PCdoB/PVPT/PCdoB/PVPT/PCdoB/PVPT/PCdoB/PVPT/PCdoB/PVPT/PCdoB/PVPT/PCdoB/PVPSOL/RedePT/PCdoB/PVPT/PCdoB/PVPT/PCdoB/PVPT/PCdoB/PVPT/PCdoB/PVPSOL/RedePSOL/RedePSOL/RedePT/PCdoB/PVPT/PCdoB/PVPT/PCdoB/PVPT/PCdoB/PVPT/PCdoB/PVPT/PCdoB/PVPT/PCdoB/PVPSOL/RedePT/PCdoB/PVPT/PCdoB/PVPT/PCdoB/PVPT/PCdoB/PVPT/PCdoB/PVPT/PCdoB/PVPT/PCdoB/PVPSOL/RedePSOL/RedePSOL/RedePT/PCdoB/PVPT/PCdoB/PVPT/PCdoB/PVPT/PCdoB/PVPT/PCdoB/PVPSOL/RedePSOL/RedePT/PCdoB/PVPT/PCdoB/PVPT/PCdoB/PVPT/PCdoB/PVPT/PCdoB/PVPT/PCdoB/PVPT/PCdoB/PVPSOL/RedePSOL/RedePT/PCdoB/PVPT/PCdoB/PVPT/PCdoB/PVPT/PCdoB/PVPT/PCdoB/PVPT/PCdoB/PVPT/PCdoB/PVPT/PCdoB/PVPDTPSOL/RedePT/PCdoB/PVPT/PCdoB/PVPT/PCdoB/PVPT/PCdoB/PVPT/PCdoB/PVPT/PCdoB/PVPDTPDTPT/PCdoB/PVPT/PCdoB/PVPT/PCdoB/PVPT/PCdoB/PVPT/PCdoB/PVPT/PCdoB/PVPT/PCdoB/PVPDTPDTPDTPT/PCdoB/PVPT/PCdoB/PVPT/PCdoB/PVPT/PCdoB/PVPDTPDTPT/PCdoB/PVPT/PCdoB/PVPT/PCdoB/PVPT/PCdoB/PVPT/PCdoB/PVPT/PCdoB/PVPT/PCdoB/PVPT/PCdoB/PVPDTPT/PCdoB/PVPT/PCdoB/PVPT/PCdoB/PVPT/PCdoB/PVPT/PCdoB/PVPT/PCdoB/PVPT/PCdoB/PVPSBPSBPSBPSBPSDPSDPSDPSDPT/PCdoB/PVPSBPSBPSBPSDPSDPSDPSDPSDPSBPSBPSBPSBPSDPSDPSDPSDPSDPSBPSBPSDPSDPSDPSDPSDPSDPSBPSBPSBPSBPSBPSBPSDPSDPSDPSDPSDPSBPSBPSDPSDPSDPSDPSDPRD/SolidariedadePRD/SolidariedadePRD/SolidariedadePSDPSDPSDPSDPSDPSDPRD/SolidariedadePRD/SolidariedadePRD/SolidariedadePSDPSDPSDPSDPSDPSDPSDB/CidadaniaPSDB/CidadaniaPRD/SolidariedadePSDPSDPSDPSDPSDPSDPSDPSDPSDB/CidadaniaMDBMDBMDBMDBMDBPSDB/CidadaniaPSDB/CidadaniaPSDB/CidadaniaPSDB/CidadaniaPSDB/CidadaniaPSDB/CidadaniaMDBMDBMDBMDBPSDB/CidadaniaMDBMDBMDBMDBMDBMDBPSDB/CidadaniaPSDB/CidadaniaPSDB/CidadaniaPSDB/CidadaniaMDBMDBMDBMDBMDBPSDB/CidadaniaPSDB/CidadaniaMDBMDBMDBMDBMDBMDBMDBPODEMOSPODEMOSMDBMDBMDBMDBMDBMDBMDBPODEMOSPODEMOSPODEMOSPODEMOSUnião/PPUnião/PPUnião/PPUnião/PPUnião/PPPODEMOSPODEMOSUnião/PPUnião/PPUnião/PPUnião/PPUnião/PPUnião/PPUnião/PPPODEMOSPODEMOSPODEMOSUnião/PPUnião/PPUnião/PPUnião/PPPODEMOSPODEMOSUnião/PPUnião/PPUnião/PPUnião/PPUnião/PPUnião/PPUnião/PPPODEMOSPODEMOSPODEMOSPODEMOSUnião/PPUnião/PPUnião/PPUnião/PPUnião/PPPODEMOSPODEMOSUnião/PPUnião/PPUnião/PPUnião/PPUnião/PPUnião/PPUnião/PPPODEMOSPODEMOSPODEMOSUnião/PPUnião/PPUnião/PPUnião/PPUnião/PPUnião/PPPODEMOSPODEMOSAVANTEAVANTEUnião/PPUnião/PPUnião/PPUnião/PPUnião/PPUnião/PPUnião/PPUnião/PPUnião/PPUnião/PPUnião/PPUnião/PPAVANTEAVANTEAVANTEAVANTEAVANTEUnião/PPUnião/PPUnião/PPUnião/PPUnião/PPUnião/PPUnião/PPUnião/PPUnião/PPUnião/PPUnião/PPUnião/PPUnião/PPUnião/PPUnião/PPUnião/PPUnião/PPUnião/PPUnião/PPUnião/PPUnião/PPUnião/PPUnião/PPUnião/PPUnião/PPUnião/PPUnião/PPUnião/PPUnião/PPUnião/PPUnião/PPNOVONOVOUnião/PPUnião/PPUnião/PPUnião/PPUnião/PPUnião/PPUnião/PPREPUBLICANOSREPUBLICANOSREPUBLICANOSREPUBLICANOSREPUBLICANOSREPUBLICANOSREPUBLICANOSNOVONOVOREPUBLICANOSREPUBLICANOSREPUBLICANOSREPUBLICANOSREPUBLICANOSREPUBLICANOSREPUBLICANOSREPUBLICANOSREPUBLICANOSREPUBLICANOSREPUBLICANOSREPUBLICANOSREPUBLICANOSREPUBLICANOSREPUBLICANOSREPUBLICANOSREPUBLICANOSNOVONOVOREPUBLICANOSREPUBLICANOSREPUBLICANOSREPUBLICANOSREPUBLICANOSREPUBLICANOSREPUBLICANOSREPUBLICANOSREPUBLICANOSREPUBLICANOSREPUBLICANOSREPUBLICANOSREPUBLICANOSREPUBLICANOSREPUBLICANOSNOVONOVOREPUBLICANOSREPUBLICANOSREPUBLICANOSREPUBLICANOSREPUBLICANOSREPUBLICANOSREPUBLICANOSPLPLPLPLREPUBLICANOSREPUBLICANOSREPUBLICANOSREPUBLICANOSPLPLPLPLPLPLPLPLPLPLMISSÃOPLPLPLPLPLPLPLPLPLPLPLPLPLPLPLMISSÃOPLPLPLPLPLPLPLPLPLPLPLPLPLPLPLPLPLMISSÃOPLPLPLPLPLPLPLPLPLPLPLPLPLPLPLPLPLPLPLPLPLPLPLPLPLPLPLPLPLPLPLPLPLPLPLPLPLPLPLPLPLPLPLPLPLPLPLPLPLPLPL
  • PL97
  • União/PP91
  • PT/PCdoB/PV83
  • PSD50
  • REPUBLICANOS50
  • MDB34
  • PODEMOS24
  • PSB21
  • PSDB/Cidadania16
  • PSOL/Rede13
  • PDT9
  • NOVO8
  • PRD/Solidariedade7
  • AVANTE7
  • MISSÃO3
  • União/PP98
  • PL98
  • PT/PCdoB/PV81
  • PSD48
  • REPUBLICANOS42
  • MDB38
  • PODEMOS27
  • PSDB/Cidadania20
  • PSB17
  • PSOL/Rede16
  • PDT9
  • PRD/Solidariedade7
  • AVANTE5
  • NOVO5
  • MISSÃO1
  • Other parties1
  • União/PP105
  • PL97
  • PT/PCdoB/PV82
  • PSD42
  • MDB41
  • REPUBLICANOS40
  • PODEMOS20
  • PSDB/Cidadania18
  • PDT16
  • PSOL/Rede15
  • PSB15
  • PRD/Solidariedade12
  • AVANTE7
  • NOVO3
majority 257amendment 308
majority 257amendment 308
majority 257amendment 308

Seats are allocated to parties or federations, each shown in a single colour.

Current bench: Câmara dos Deputados — Dados Abertos, deputados em exercício, retrieved 08/12/2026. Allocation of seats to states: LC 78/1993, kept for 2026 by decision of the Supreme Court.

Seats by party

Central projection by party with a 90% confidence interval

Today's bench, per Chamber of Deputies data

The bench elected in 2022, as seated after the Câmara act of 30/07/2025

2022todayProjection intervalMean
  • PL97988710897
  • União/PP10598849991
  • PT/PCdoB/PV8281759283
  • PSD4248445750
  • REPUBLICANOS4042455650
  • MDB4138303934
  • PODEMOS2027173124
  • PSB1517162721
  • PSDB/Cidadania1820112116
  • PSOL/Rede151691813
  • PDT1693159
  • NOVO352148
  • PRD/Solidariedade1273117
  • AVANTE753127
  • MISSÃO01183
20222027seats
  • PL979798
  • União/PP1059198
  • PT/PCdoB/PV828381
  • PSD425048
  • REPUBLICANOS405042
  • MDB413438
  • PODEMOS202427
  • PSDB/Cidadania181620
  • PSB152117
  • PSOL/Rede151316
  • PDT1699
  • PRD/Solidariedade1277
  • AVANTE775
  • NOVO385
  • MISSÃO031
  • Other parties001
today2027seats
  • União/PP9891105
  • PL989797
  • PT/PCdoB/PV818382
  • PSD485042
  • MDB383441
  • REPUBLICANOS425040
  • PODEMOS272420
  • PSDB/Cidadania201618
  • PDT9916
  • PSB172115
  • PSOL/Rede161315
  • PRD/Solidariedade7712
  • AVANTE577
  • NOVO583
  • MISSÃO130

Performance clause

The law requires parties to reach set levels of electoral performance to keep access to the Party Fund and to radio and TV time. There are two routes: at least 13 deputies spread across at least nine states (route 1), or 2.5% of the valid votes for the Chamber, with at least 1.5% in nine different states (route 2). Below, the models' estimated probabilities that each party or federation clears the performance clause.

chancesensitivityroute 1route 2seatswhat failsdeciding states
PSDB/Cidadania>95%92%–100%85%>95%16 (11–21)national vote
PSOL/Rede44%24%–49%<5%44%13 (9–18)nine statesAM 22% · SC 20% · BA 11% · AP 11%
NOVO22%17%–38%<5%22%8 (2–14)bothMG 18% · AC 12% · MS 10% · AP 8%
PDT22%10%–34%<5%22%9 (3–15)national voteCE 10% · RN 9% · PA 8% · MA 8%
PRD/Solidariedade16%8%–27%<5%16%7 (3–11)national voteAC 16% · SP 16% · RR 12% · PA 10%
AVANTE14%1%–27%<5%14%7 (3–12)bothSP 13% · RO 12% · RJ 10% · RS 10%
MISSÃO<5%0%–2%<5%<5%3 (1–8)bothBA 51% · ES 43% · SC 6%

Sensitivity: the chance of meeting the clause under different assumptions about how much the states move together.

Clear the clause comfortably: PL, União/PP, PT/PCdoB/PV, PSD, REPUBLICANOS, MDB, PODEMOS, PSB.

State by state

Below, our models' projection by state. Delegations vary widely in size (from 8 to 70 deputies), and the models are much less precise in the smaller states. Click a state to see our projection.

Acre — 8 seatsAlagoas — 9 seatsAmazonas — 8 seatsAmapá — 8 seatsBahia — 39 seatsCeará — 22 seatsDistrito Federal — 8 seatsEspírito Santo — 10 seatsGoiás — 17 seatsMaranhão — 18 seatsMinas Gerais — 53 seatsMato Grosso do Sul — 8 seatsMato Grosso — 8 seatsPará — 17 seatsParaíba — 12 seatsPernambuco — 25 seatsPiauí — 10 seatsParaná — 30 seatsRio de Janeiro — 46 seatsRio Grande do Norte — 8 seatsRondônia — 8 seatsRoraima — 8 seatsRio Grande do Sul — 31 seatsSanta Catarina — 16 seatsSergipe — 8 seatsSão Paulo — 70 seatsTocantins — 8 seatsDistrito Federal — 8 seatsDF

Click a state

São PauloSP

70 seats · 14 parties projected to win a seat

50 safe seats, 19 likely and 1 contested. Safe: the party wins the seat in at least 95% of simulations. Likely: in at least 50% of simulations. Contested: in less than half of simulations.

Each square is one of the state's deputies, in the colour of the projected party.

2022todayProjection intervalMean
  • PL1716131916
  • PT/PCdoB/PV111191211
  • União/PP106687
  • PODEMOS411496
  • REPUBLICANOS54576
  • PSD35465
  • PSOL/Rede66264
  • MDB53354
  • PSB22364
  • NOVO12052
  • MISSÃO01152
  • PSDB/Cidadania52021
  • PRD/Solidariedade11031
  • AVANTE00021

Parties by state

Pick a party to see its projections by state. The stronger the colour, the more deputies projected for the party in that state. The list of states shows the 90% confidence interval and the mean seats in the projection.

Acre — PL: 1 (0–1); chance of at least one seat 70%Alagoas — PL: 0 (0–1); chance of at least one seat 10%Amazonas — PL: 2 (1–2); chance of at least one seat >99%Amapá — PL: 1 (1–2); chance of at least one seat >99%Bahia — PL: 4 (3–4); chance of at least one seat >99%Ceará — PL: 4 (3–5); chance of at least one seat >99%Distrito Federal — PL: 1 (0–2); chance of at least one seat 73%Espírito Santo — PL: 1 (1–1); chance of at least one seat >99%Goiás — PL: 2 (2–3); chance of at least one seat >99%Maranhão — PL: 2 (2–3); chance of at least one seat >99%Minas Gerais — PL: 16 (14–18); chance of at least one seat >99%Mato Grosso do Sul — PL: 3 (2–3); chance of at least one seat >99%Mato Grosso — PL: 2 (2–3); chance of at least one seat >99%Pará — PL: 2 (1–2); chance of at least one seat >99%Paraíba — PL: 2 (1–2); chance of at least one seat >99%Pernambuco — PL: 2 (2–3); chance of at least one seat >99%Piauí — PL: no realistic chanceParaná — PL: 6 (5–8); chance of at least one seat >99%Rio de Janeiro — PL: 12 (10–14); chance of at least one seat >99%Rio Grande do Norte — PL: 3 (2–3); chance of at least one seat >99%Rondônia — PL: 2 (2–3); chance of at least one seat >99%Roraima — PL: 1 (0–2); chance of at least one seat 72%Rio Grande do Sul — PL: 6 (5–8); chance of at least one seat >99%Santa Catarina — PL: 5 (5–6); chance of at least one seat >99%Sergipe — PL: 0 (0–1); chance of at least one seat 40%São Paulo — PL: 16 (13–19); chance of at least one seat >99%Tocantins — PL: 1 (1–1); chance of at least one seat >99%Distrito Federal — PL: 1 (0–2); chance of at least one seat 73%DF
Mean seats in the state016

PL

97 projected seats · a real chance in 26 states

Projection intervalMean
  • SP131916
  • MG141816
  • RJ101412
  • PR586
  • RS586
  • SC565
  • CE354
  • BA344
  • MS233
  • RN233
  • MA232
  • PE232
  • GO232
  • MT232
  • RO232
  • PA122
  • AM122
  • PB122
  • AP121
  • DF021
  • TO11
  • ES11
  • RR021
  • AC011
  • SE010
  • AL010

States where the party has less than a 5% chance of electing at least one deputy are not shown.

Party comparison by state

The states where we project gains and losses for each party, compared with the 2022 election and the current bench. The stronger the colour, the bigger the likely change.

Compare with:
AcreAlagoasAmazonasAmapáBahiaCearáDistrito FederalEspírito SantoGoiásMaranhãoMinas GeraisMato Grosso do SulMato GrossoParáParaíbaPernambucoPiauíParanáRio de JaneiroRio Grande do NorteRondôniaRoraimaRio Grande do SulSanta CatarinaSergipeSão PauloTocantinsDistrito FederalDF
loses 0 gains

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