# Diadema

[Brazil](https://electionsarchive.com/br.md) / [São Paulo](https://electionsarchive.com/br/sp.md)

## Latest local election

[2024 Diadema municipal election](https://electionsarchive.com/br/sp/diadema/2024-10-06-local.md), October 6, 2024

### [Mayor of Diadema](https://electionsarchive.com/br/sp/diadema/2024-10-27-runoff/mayor.md)

[First round](https://electionsarchive.com/br/sp/diadema/2024-10-06-local/mayor.md)

| Candidate or party | Votes | Share |
| --- | --- | --- |
| Takaharu Yamauchi | 116,003 | 52.6% |
| José de Filippi Júnior | 104,556 | 47.4% |

### [Municipal Chamber of Diadema](https://electionsarchive.com/br/sp/diadema/2024-10-06-local/municipal-chamber.md)

| Candidate or party | Votes | Share | Seats |
| --- | --- | --- | --- |
| Partido dos Trabalhadores | 44,055 | 20.0% | 5 |
| União Brasil | 23,645 | 10.8% | 3 |
| Movimento Democrático Brasileiro | 24,317 | 11.1% | 2 |

## Who holds office

Based on the latest election in the archive for each office and seat, plus records of anyone who has taken office since.

- **Mayor of Diadema**: [Takaharu Yamauchi](https://electionsarchive.com/id/c3e56203-8532-5f34-b4b9-b0509e546d47.md), MDB; [Elected October 27, 2024](https://electionsarchive.com/br/sp/diadema/2024-10-27-runoff/mayor.md)

## Diadema, election by election

### Mayor of Diadema

| Year | Election | Result |
| --- | --- | --- |
| 2024 | [2024 Diadema municipal election](https://electionsarchive.com/br/sp/diadema/2024-10-06-local.md) | Takaharu Yamauchi, MDB, 52.6% ([Runoff](https://electionsarchive.com/br/sp/diadema/2024-10-27-runoff/mayor.md)) |
| 2020 | [2020 Diadema municipal election](https://electionsarchive.com/br/sp/diadema/2020-11-15-local.md) | José de Filippi Júnior, PT, 51.3% ([Runoff](https://electionsarchive.com/br/sp/diadema/2020-11-29-runoff/mayor.md)) |
| 2016 | [2016 Diadema municipal election](https://electionsarchive.com/br/sp/diadema/2016-10-02-local.md) | Lauro Michels Sobrinho, PV, 57.7% ([Runoff](https://electionsarchive.com/br/sp/diadema/2016-10-30-runoff/mayor.md)) |
| 2012 | [2012 Diadema municipal election](https://electionsarchive.com/br/sp/diadema/2012-10-07-local.md) | Lauro Michels Sobrinho, PV, 60.4% ([Runoff](https://electionsarchive.com/br/sp/diadema/2012-10-28-runoff/mayor.md)) |
| 2008 | [2008 Diadema municipal election](https://electionsarchive.com/br/sp/diadema/2008-10-05-local.md) | Mário Wilson Pedreira Reali, PT, 58.3% |
| 2004 | [2004 Diadema municipal election](https://electionsarchive.com/br/sp/diadema/2004-10-03-local.md) | Jose de Filippi Junior, PT, 50.1% ([Runoff](https://electionsarchive.com/br/sp/diadema/2004-10-31-runoff/mayor.md)) |

### Municipal Chamber of Diadema

| Year | Election | Result |
| --- | --- | --- |
| 2024 | [2024 Diadema municipal election](https://electionsarchive.com/br/sp/diadema/2024-10-06-local.md) | PT 5, UNIÃO 3, PP 2, MDB 2 |
| 2020 | [2020 Diadema municipal election](https://electionsarchive.com/br/sp/diadema/2020-11-15-local.md) | PT 5, CIDADANIA 3, PSB 2, PV 2 |
| 2016 | [2016 Diadema municipal election](https://electionsarchive.com/br/sp/diadema/2016-10-02-local.md) | PV 6, Partido Republicano Brasileiro 3, PT 3, Partido Popular Socialista 3 |
| 2012 | [2012 Diadema municipal election](https://electionsarchive.com/br/sp/diadema/2012-10-07-local.md) | PT 6, Partido da República 4, PV 4, PSB 2 |
| 2008 | [2008 Diadema municipal election](https://electionsarchive.com/br/sp/diadema/2008-10-05-local.md) | PT 5, PSDB 3, PSB 2, PV 2 |
| 2004 | [2004 Diadema municipal election](https://electionsarchive.com/br/sp/diadema/2004-10-03-local.md) | PT 5, PSDB 3, Partido do Movimento Democrático Brasileiro 2, PV 2 |

## Elections

| Date | Election |
| --- | --- |
| October 6, 2024 | [2024 Diadema municipal election](https://electionsarchive.com/br/sp/diadema/2024-10-06-local.md) |
| November 15, 2020 | [2020 Diadema municipal election](https://electionsarchive.com/br/sp/diadema/2020-11-15-local.md) |
| October 2, 2016 | [2016 Diadema municipal election](https://electionsarchive.com/br/sp/diadema/2016-10-02-local.md) |
| October 7, 2012 | [2012 Diadema municipal election](https://electionsarchive.com/br/sp/diadema/2012-10-07-local.md) |
| October 5, 2008 | [2008 Diadema municipal election](https://electionsarchive.com/br/sp/diadema/2008-10-05-local.md) |

## Results in Diadema

| Date | Contest | Leader | Share |
| --- | --- | --- | --- |
| October 25, 2026 | [2026 Brazilian presidential election, second round](https://electionsarchive.com/br/2026-10-25-runoff/president/sao-paulo/diadema.md) | Luiz Inácio Lula da Silva | 61.0% |
| October 4, 2026 | [2026 Brazilian presidential election, first round](https://electionsarchive.com/br/2026-10-04-general/president/sao-paulo/diadema.md) | Luiz Inácio Lula da Silva | 52.4% |
| October 4, 2026 | [2026 Legislative Assembly election in São Paulo](https://electionsarchive.com/br/2026-10-04-general/legislative-assembly-sao-paulo/diadema.md) | PT | 28.7% |
| October 4, 2026 | [2026 Senate election in São Paulo](https://electionsarchive.com/br/2026-10-04-general/senate-sao-paulo/diadema.md) | Simone Nassar Tebet Rocha | 26.4% |
| October 4, 2026 | [2026 Chamber of Deputies election in São Paulo](https://electionsarchive.com/br/2026-10-04-general/chamber-of-deputies-sao-paulo/diadema.md) | PT | 20.7% |
| October 4, 2026 | [2026 gubernatorial election in São Paulo](https://electionsarchive.com/br/2026-10-04-general/governor-sao-paulo/diadema.md) | Fernando Haddad | 50.1% |
| October 30, 2022 | [2022 Brazilian presidential election, second round](https://electionsarchive.com/br/2022-10-30-runoff/president/sao-paulo/diadema.md) | Luiz Inácio Lula da Silva | 60.0% |
| October 30, 2022 | [2022 gubernatorial election in São Paulo, second round](https://electionsarchive.com/br/2022-10-30-runoff/governor-sao-paulo/diadema.md) | Fernando Haddad | 60.6% |
| October 2, 2022 | [2022 Brazilian presidential election, first round](https://electionsarchive.com/br/2022-10-02-general/president/sao-paulo/diadema.md) | Luiz Inácio Lula da Silva | 56.3% |
| October 2, 2022 | [2022 Legislative Assembly election in São Paulo](https://electionsarchive.com/br/2022-10-02-general/legislative-assembly-sao-paulo/diadema.md) | PT | 34.6% |
| October 2, 2022 | [2022 Chamber of Deputies election in São Paulo](https://electionsarchive.com/br/2022-10-02-general/chamber-of-deputies-sao-paulo/diadema.md) | PT | 29.2% |
| October 2, 2022 | [2022 gubernatorial election in São Paulo, first round](https://electionsarchive.com/br/2022-10-02-general/governor-sao-paulo/diadema.md) | Fernando Haddad | 54.0% |
| October 2, 2022 | [2022 Senate election in São Paulo](https://electionsarchive.com/br/2022-10-02-general/senate-sao-paulo/diadema.md) | Márcio Luiz França Gomes | 55.3% |
| October 28, 2018 | [2018 Brazilian presidential election, second round](https://electionsarchive.com/br/2018-10-28-runoff/president/sao-paulo/diadema.md) | Jair Messias Bolsonaro | 52.0% |
| October 28, 2018 | [2018 gubernatorial election in São Paulo, second round](https://electionsarchive.com/br/2018-10-28-runoff/governor-sao-paulo/diadema.md) | Márcio Luiz França Gomes | 62.8% |

Also available as HTML at https://electionsarchive.com/br/sp/diadema and JSON at https://electionsarchive.com/br/sp/diadema.json.