Overview
4 Day Work Week in Brazil
In September 2023, Brazil embarked on a 9-month trial of the 4-day workweek as a part of a collaborative effort with 4 Day Week Brazil, 4 Day Week Global, and Reconnect Happiness at Work.
The experiment included an initial three-month phase dedicated to masterclasses, planning, and laying the foundational groundwork for the initiative. This preparatory period lasted until December 2023, setting the stage for the subsequent implementation of the 4-day workweek for the following six months.
Pilot Companies
22 companies and around 280 employees began the pilot program. However, one company withdrew after one month, leaving 21 companies participating in the pilot.
70% of these firms chose to implement a 4-day workweek across their entire workforce, while the remaining 30% conducted the trial within specific departments only.
Some of the companies that participated in the pilot program are mentioned below, while others chose not to authorize the disclosure of their involvement:
- Ab Aeterno
- Brasil dos Parafusos
- Clara Associados
- Clementino & Teixeira Advocacia
- GR Assessoria Contábil
- Greco Design
- Haze Shift
- Hospital Indianópolis
- Innuvem
- Inspira
- Maker Brands
- Mol Impacto
- Noono
- Oxygen Hub
- PiU Comunica
- Plongê
- Rede Alimentare
- Smart Duo
- Soma CSC (Grupo Dreamers)
Pilot Format
As per the pilot program guidelines, the Brazilian government instructed participating companies to adopt the 100:80:100 approach. Under this model, employees receive their full pay while working 20% fewer hours. However, they are expected to maintain full productivity to ensure the success of the trial run.
To implement this, a significant number of companies adopted a unified day-off schedule, with the majority opting for Fridays off. However, some companies divided these days between Monday and Friday among their workforce, while a minority allowed workers to select their weekly day off themselves.
4-Day Week Brazil Pilot Mid-Trial Results
The Brazil 4-day workweek mid-trial results demonstrate positive effects on employee work and well-being. Baseline data was gathered in December 2023, with interim data collected in early April 2024, marking the program's halfway point.
Impact at Work- Project execution has seen a 61.5% boost.
- Meeting deadlines has improved by 44.4%.
- Creativity and innovation have increased by 58.5%.
- Client acquisition has experienced a 33.3% rise.
- 82.4% more energy for task completion
- 62.7% reduction in work-related stress
- 64.9% higher end-of-day fatigue
- 67.0% reduction in anxiety
- 64.5% reduction in frequent work-related exhaustion
- 46.3% exercised more than 3x/week
- 27.1% increase in those who sleep more than 8 hr/night
- 50.0% reduction in insomnia
- 78.1% increase in energy for family and friends
- 57.9% consider better balance between personal and professional life
- 85.4% increased collaboration with colleagues
- 44.0% improvement in the relationship with leadership
4-Day Work Week Companies in Brazil
Even before Brazil's widespread 4-day workweek experiment, many organizations had already adapted to this condensed schedule.
Let’s have a brief look at them:
1. Zee.Dog
Zee.Dog, a Brazilian pet products company, is recognized as the pioneer in Brazil for following a 4-day workweek. Established in 2011, it has become a leader in innovative pet accessories, setting trends not only in product design but also in workplace culture.
The company’s efforts to implement a 4-day workweek model were led by its co-founder and creative director, Thadeu Diz, inspired by a global trend sparked by Andrew Barnes. This transition was made after the COVID-19 pandemic when a remote work arrangement was first adopted.
However, in February 2021, Zee.Dog adopted the 4-day workweek model, allowing employees to take every other Wednesday off, adapting to the new normal of work while maintaining productivity.
The following results were noted after Zee.Dog’s implementation of a 4-day workweek:
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Workforce Contentment: It was significantly elevated with employees enjoying the unique benefit of mid-week breaks every other week. This innovative approach to work-life balance has resulted in increased job enthusiasm and overall happiness within the staff.
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Maintained Operational Output: The shift did not come at the cost of work quality or output. Instead, it encouraged employees to prioritize tasks more effectively, maintaining productivity levels.
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Talent Dynamics: Zee.Dog's adoption of the 4-day workweek positioned the company as a leader in workplace innovation, making it highly attractive to many job seekers. This approach has improved the firm's ability to attract top talent who are passionate about work-life balance.
2. Winnin
Winnin, a Rio de Janeiro-based martech startup, specializes in tracking online video consumption data. Under the leadership of CEO and co-founder Gian Martinez, the company has embraced a 4-day workweek model.
Initiated in 2021 as a social experiment, it underwent extensive preparation, including reducing unnecessary meetings and establishing clear KPIs to measure success.
After a one-month trial demonstrated the initiative's efficacy, Winnin made the decision to implement the 4-day work week permanently.
The below outcomes were obtained following Winnin's adaptation of a compressed workweek model:
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Increase in Mental and Physical Health Attention: The initiative resulted in a 41.9% increase in employees' focus on their mental and physical health. This significant uplift gave them more time to engage in activities that contribute to their well-being, fostering workplace productivity.
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Increased Sense of Purpose and Belonging: Employees experienced an increased sense of purpose, belonging, and pride in the company. This shift is indicative of a more engaged and motivated workforce.
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Enhanced Work-Life Balance: The implementation of the 4-day work week led to a notable improvement in work-life balance among workers. It proved useful in maintaining a healthy relationship between professional obligations and personal life, reducing stress and burnout rates.
3. Signifyd
Founded in 2011, Signifyd is a fraud protection company specializing in securing eCommerce transactions through machine learning and big data analysis.
The implementation of the 4-day workweek at the firm was initiated as a response to the COVID-19 pandemic to support employee well-being and productivity.
This shift was implemented permanently from 1st March 2022 and aimed to maintain operational efficiency while granting employees an additional day for personal time.
Signifyd observed the following changes in its workforce as a result of a 4-day workweek schedule:
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Employee Satisfaction: Significantly improved, with workers experiencing a more substantial work-life balance. The additional day off allowed staff more time for personal activities, hobbies, and family, contributing to overall happiness and job satisfaction.
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Productivity: The company observed that productivity levels either remained consistent or increased despite the reduced working hours. This demonstrates that employees were more focused and efficient during their condensed work schedules.
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Recruitment and Retention: Signifyd's adoption of a four-day workweek made it a more attractive employer in the competitive tech industry. It experienced a noticeable improvement in attracting top talent and retaining existing employees who valued the company’s commitment to work-life balance


