# 2020 Diadema mayoral election

[Brazil](https://electionsarchive.com/br.md) / [São Paulo](https://electionsarchive.com/br/sp.md) / [Diadema](https://electionsarchive.com/br/sp/diadema.md), November 15, 2020

José de Filippi Júnior led with 45.6% of the vote, 30.2 points ahead of Takaharu Yamauchi.

## Rounds

### Round 1, November 15, 2020

- José de Filippi Júnior, 45.6% (Advanced)
- Takaharu Yamauchi, 15.4% (Advanced)
- Ricardo Yoshio, 14.6%

### [Second round](https://electionsarchive.com/br/sp/diadema/2020-11-29-runoff/mayor.md), November 29, 2020

- José de Filippi Júnior, 51.3% (Elected)
- Takaharu Yamauchi, 48.7%

| Candidate or party | Party | Votes | Share | Result |
| --- | --- | --- | --- | --- |
| José de Filippi Júnior | PT | 92,670 | 45.6% | Advanced |
| Takaharu Yamauchi | PSD | 31,301 | 15.4% | Advanced |
| Ricardo Yoshio | PSDB | 29,726 | 14.6% |  |
| Revelino Teixeira de Almeida | DEM | 20,524 | 10.1% |  |
| Ronaldo Jose Lacerda | PDT | 10,684 | 5.3% |  |
| Antonio Marcos Zaros Michels | PSB | 5,588 | 2.8% |  |
| Gesiel Duarte de Oliveira | REPUBLICANOS | 5,054 | 2.5% |  |
| Denise Francisco Ventrici Campos | PRTB | 1,882 | 0.9% |  |
| Rafaela Boani de Queiroz Bonifacio | PSOL | 1,835 | 0.9% |  |
| Jhonny Rich Sales dos Santos | PSL | 1,532 | 0.8% |  |
| David Gonçalves Moreira | PSC | 1,378 | 0.7% |  |
| Airton da Costa | PMB | 485 | 0.2% |  |
| Ivanci Vieira dos Santos | PSTU | 360 | 0.2% |  |

Valid votes: 203,019

Turnout: 74.1% (243,764 of 329,171 registered)

## This race in other years

- [October 6, 2024](https://electionsarchive.com/br/sp/diadema/2024-10-06-local/mayor.md): Takaharu Yamauchi, 52.6%
- November 15, 2020: José de Filippi Júnior, 51.3%
- [October 2, 2016](https://electionsarchive.com/br/sp/diadema/2016-10-02-local/mayor.md): Lauro Michels Sobrinho, 57.7%
- [October 7, 2012](https://electionsarchive.com/br/sp/diadema/2012-10-07-local/mayor.md): Lauro Michels Sobrinho, 60.4%
- [October 5, 2008](https://electionsarchive.com/br/sp/diadema/2008-10-05-local/mayor.md): Mário Wilson Pedreira Reali, 58.3%
- [October 3, 2004](https://electionsarchive.com/br/sp/diadema/2004-10-03-local/mayor.md): José de Filippi Júnior, 50.1%
- [October 1, 2000](https://electionsarchive.com/br/sp/diadema/2000-10-01-local/mayor.md): José de Filippi Júnior, 52.6%
- [October 3, 1996](https://electionsarchive.com/br/sp/diadema/1996-10-03-local/mayor.md): Gilson Luiz Correia de Menezes, 54.0%

## Also on the ballot in Brazil on November 15, 2020

- [Diadema Municipal Chamber](https://electionsarchive.com/br/sp/diadema/2020-11-15-local/municipal-chamber.md)
- [Local races across Brazil](https://electionsarchive.com/br/2020-11-15-local.md) (11,129)

## Sources

- [Resultados - 2020](https://dadosabertos.tse.jus.br/dataset/resultados-2020), Tribunal Superior Eleitoral. License: Creative Commons Attribution

## On the ballot in Diadema

- 2020 Diadema mayoral election
- [2020 Diadema Municipal Chamber election](https://electionsarchive.com/br/sp/diadema/2020-11-15-local/municipal-chamber.md)

Also available as HTML at https://electionsarchive.com/br/sp/diadema/2020-11-15-local/mayor and JSON at https://electionsarchive.com/br/sp/diadema/2020-11-15-local/mayor.json.