What's Happening?
Economists at Duke University have identified 37.5 hours as the ideal work week, based on survey data from Germany. This finding was presented in a March 2025 working paper from the National Bureau of Economic Research. The research utilized the German Socio-Economic
Panel, which asked workers their preferred working hours if income adjusted accordingly. The results indicated that over two-thirds of the sampled workers felt 'overworked,' desiring approximately 37.5 hours per week despite actually working an average of 42.7 hours. While similar studies in the U.K. and older U.S. government surveys also showed a preference for shorter weeks, the U.S. data uniquely revealed a significant portion of workers wishing to increase their hours. The 40-hour work week became the U.S. standard in 1940 with the Fair Labor Standards Act, which mandates overtime pay for hours exceeding 40.
Why It's Important?
This research highlights a significant disparity between actual and desired work hours, particularly in the U.S., where many full-time employees work beyond 40 hours weekly. The preference for a 37.5-hour week, as identified by Duke economists, suggests potential benefits for employee well-being and productivity if adopted more broadly. A shorter work week could lead to reduced burnout, improved mental and physical health, and greater work-life balance, which in turn might enhance job satisfaction and retention. For U.S. businesses, understanding these preferences could inform strategies for attracting and retaining talent, especially in a competitive labor market. However, implementing such a change would require careful consideration of economic impacts, including potential adjustments to wages, operational efficiency, and the need for increased staffing in some sectors to maintain output. The current U.S. legal framework, which defines overtime after 40 hours, also presents a structural challenge to widespread adoption of a shorter standard work week.
What's Next?
The findings from Duke University economists could fuel further discussions and pilot programs regarding reduced work weeks in the U.S. While some U.S. groups have advocated for a four-day week, it has not yet gained widespread traction compared to trials in other countries like Japan, Germany, and Australia. Future developments may include more companies experimenting with shorter work weeks to gauge their impact on productivity and employee satisfaction. Policy makers might also consider the implications of these findings for labor laws and regulations, potentially exploring adjustments to the standard work week or overtime thresholds. The ongoing debate will likely involve balancing employee preferences for shorter hours with economic realities and business needs, as well as addressing the unique U.S. context where a segment of the workforce desires more hours.
Beyond the Headlines
The concept of an 'ideal' work week extends beyond mere hours, touching upon the fundamental relationship between work, leisure, and societal values. The U.S. preference for potentially increasing hours, as noted in the study, contrasts with European trends and may reflect cultural differences in work ethic, economic pressures, or the availability of social safety nets. A shift towards a 37.5-hour week could redefine societal expectations around work-life integration, potentially leading to a re-evaluation of consumerism and the pursuit of personal fulfillment outside of professional achievements. It also raises questions about equity, ensuring that any benefits of reduced hours are accessible across all socioeconomic strata and job types, not just white-collar professions. The long-term impact could be a more balanced and sustainable approach to labor, fostering a healthier and more engaged populace.













