Are unions a win for workers and the wider economy? I'll gather the latest research on wages, growth, and competitiveness to give you a balanced answer.
Are labor unions good for workers and the economy? The research shows clear benefits, but also trade-offs — and economists disagree about the net effect, with much depending on how unions operate.
1. For Workers: Mostly Positive, With Some Costs
Higher pay and better benefits is the most consistent finding:
•Unions raise the wages of their members by 10 to 15 percent. Simple comparisons find union workers make about 20 percent more than nonunion workers, and one study found unions have consistently provided a 10- to 20-percent wage boost over eight decades.
•Other estimates: Unionized workers earn 10.2% more than their non-union peers, and Bureau of Labor Statistics figures show weekly earnings for unionized workers are 16% higher on average for comparable jobs.
•Unions also improve fringe benefits and workplace procedures such as retirement plans, workplace grievance policies, and predictable scheduling. Workers represented by unions are more likely to enjoy benefits like paid sick days - 85 percent of unionized workers have access to paid sick leave, while only 62 percent of non-union workers have access.
Benefits extend beyond direct members:
•Competition means workers at nonunionized firms see increased wages too. Each 1 percentage point increase in private-sector union membership rates translates to about a 0.3 percent increase in nonunion wages.
•Heightened workplace safety norms can pull up whole industries.
•Research shows benefits extend beyond individual organizations, boosting sectors and even the economy by reducing staff turnover, providing or promoting training and encouraging innovation. Unions can result in lower employee turnover.
Reduced inequality and demographic effects:
•By encouraging egalitarian wage practices, unions serve to reduce race and gender wage gaps.
•Unionization increases wages by 17.3% for Black workers and 23.1% for Latino workers.
•The diverse demographics of modern union membership mean that the benefits of any policy that strengthens today’s unions would be felt across the population.
•Unions promoted health and well-being by ensuring higher wages, retirement benefits, limits on working hours, opportunities for job training, safer environments, and discrimination-free workplaces.
Public perception reflects this: At least half of Americans believe that labor unions increase workers' wages (67%), job security (63%), negotiation power (63%), and job satisfaction (51%). Pew Research polling summarized the view as: Labor Unions Seen as Good for Workers, Not U.S. Competitiveness.
Costs and downsides for workers:
•Workers are required to pay union dues/fees that some might rather not pay.
•Unions can make it harder to fast-track promotions for high-performing workers and/or get rid of low-performing ones, and Can make it harder to promote and terminate workers.
•Trade unions restrict employment flexibility and distort labor supply.
•Research arguing against powerful unions finds that when unions press for unsustainable terms, this backfires and results in slower employment growth and fewer job opportunities for unionized workers, with insiders (longer-tenured workers) benefiting while outsiders — younger or new workers — face few openings and limited upward mobility.
2. For the Economy: Mixed Evidence
Arguments that unions help the economy:
The U.S. Treasury Department's 2023 first-of-its-kind report concluded unions contribute to a more robust and resilient economy:
•Finally, in addition to supporting the middle class, unions contribute to economic growth and resilience. They do so in part simply by reducing overall inequality — Income inequality often feeds back into inequality of opportunity, which impedes growth if disadvantaged people cannot access resources necessary to acquire job skills or start businesses.
•And unions can boost businesses’ productivity by improving working environments and by giving experienced workers more of an input into decisions that design better and more cost-effective workplace procedures.
•More broadly, unions can have a positive effect on productivity through employee engagement and union voice effects, providing a road map for the type of union campaigns that could lead to additional growth.
•Proponents also note the post-WWII "Golden Age" where strong unions, government investment and widespread growth contributed to productivity growing ~97% and real compensation growing ~91% together.
Arguments that unions harm growth and competitiveness:
•Higher costs and lower competitiveness: Unions Can increase labor costs that lead to employer becoming less competitive, such as by requiring pensions. Collective bargaining may result in increased labor costs for employers, such as higher wages, benefits, and additional administrative expenses.
•Higher prices and less investment: With higher wages, unions bring less investment, fewer jobs, higher prices, and smaller 401(k) plans for everyone else.
•Lower profitability and productivity: Lower profitability among unionized firms is well established. Some studies find unionised firms and industries display slower productivity growth and Production function studies indicate small overall union impacts on productivity.
•Reduced investment and jobs: Companies facing excessive union demands often cut investments—particularly in R&D and long-term capital—reducing productivity and profitability. Research finds although US unions have historically secured short-run pay gains, these victories often come at the expense of slower employment growth, fewer future job opportunities, reduced investment and productivity, and diminished firm growth and viability.
•Strikes and disruption: Strikes, work stoppages, or slowdowns can disrupt operations and negatively impact productivity and profitability. The strikes cost companies billions of dollars in lost production.
•Regional and macro effects: One analysis attributes roughly 55 percent of the decline in the Rust Belt’s share of manufacturing employment between 1950 and 2000 to union monopoly dynamics, and critics argue there is a strong negative correlation with economic growth generally and with job growth in particular.
The Mercatus Center review of 147 studies summarizes the nuance: Union power does not always benefit workers. While powerful unions with monopolistic characteristics can achieve significant gains at the bargaining table, these victories often come with trade-offs that can negatively impact unionized workers and the economy. That review argues the structure matters more than the presence of voice itself — moderate unions characterized by balanced demands, greater worker representation, and increased flexibility can better preserve benefits while avoiding downsides of monopolistic unions.
Bottom Line
•For individual workers who are members: The evidence is strong that unions raise pay (10-15% premium), improve benefits, safety, scheduling predictability, and job security, with larger gains for Black, Latino and lower-wage workers and spillover wage gains for non-members.
•For the broader economy: Effects are debated. Unions can reduce inequality (which supports growth and resilience), lower turnover, and improve workplace voice and productivity in some settings, but can also raise labor costs, reduce profits and investment in R&D/capital, increase prices, restrict flexibility in hiring/promotion, and slow employment growth if bargaining is adversarial and monopoly-like.
Many economists and pollsters conclude unions are seen as good for workers but views are mixed on whether they help U.S. competitiveness — support depends on whether unions pursue cooperative, moderate strategies versus aggressive, monopoly-style demands.