Are labor unions good for workers and the economy?
Pro-union sources (EPI, TCF) report positive economic and community effects, while Heritage and Mercatus argue unions hurt consumers, job growth and sometimes wages.
Are Labor Unions Good for Workers and the Economy?
This is a genuinely contested question in economics, with substantial evidence on multiple sides. There's no single "correct" answer—outcomes depend on union strength, sector, country, and how they're measured. Here's what the research shows:
Effects on Workers
Higher wages, especially for lower-skilled workers. The evidence is strong and fairly uncontested that unions typically increase wages and other working conditions for their members and often all employees working in firms where collective bargaining applies, with strong evidence for a union-nonunion wage premium, even for individuals working similar jobs. Studies estimate a 15% union wage premium for private-sector and government-sector unions combined, and union members earn about 10.2% more on average than nonunion workers with comparable jobs and experience.
Reduced inequality. This is one of the most consistent findings in labor economics. The union wage premium is typically stronger at the lower end of the wage distribution, such that strong unions are associated with lower wage inequality—a result that is more or less undisputed in the literature. Research attributes a meaningful share of rising U.S. wage inequality to declining unionization—one study found de-unionization from 1973 to 2007 explains from 20% to 33% of rising wage inequality in the US.
Benefits for marginalized groups. Black workers represented by a union are paid 13.1% more than their nonunionized Black peers, and Hispanic workers represented by a union are paid 18.8% more than their nonunionized Hispanic peers. Similarly, unions help reduce the gender pay gap—nonunion women earn about 78% of what men earn, while unionized women earn 94% of what men earn.
But there are trade-offs. Some research cautions that union gains aren't unlimited. Union power doesn't just boost wages indefinitely; when unions press for unsustainable terms, this can backfire, resulting in slower employment growth and fewer job opportunities for unionized workers. One study even found that unionization led to lower wages and average worker earnings at unionized establishments in certain contexts.
Effects on the Broader Economy
Productivity: mostly neutral, contrary to common assumptions. A major survey of global research found evidence from more than 300 studies on the economic impact of unionisation showing unions do not, overall, reduce productivity, though it varies by specific circumstances. Effects differ by country: in Britain, union influence has reduced company productivity, while in the US, unionisation appears associated with higher productivity in construction and education but makes no difference in manufacturing; in developing countries, the overall effect is generally positive.
Lower profits for firms. Unionisation does make businesses less profitable for owners, as unions secure higher wages and benefits for their members, which may discourage further investment as capital owners seek higher profits elsewhere.
Positive spillovers for firms and communities. Despite lower profits, unions can offer real business advantages: they can help make a company a more attractive place to work, reducing turnover and increasing employee commitment, and higher union wages attract more job applicants, allowing management to select the best workers. More broadly, unionized workers have more income and therefore pay more taxes, generating a positive net fiscal impact and more government revenue.
Macroeconomic growth arguments. Some economists argue unions support aggregate demand by shifting income toward people who spend it. The reasoning: inequality harms overall economic growth by putting more money into the hands of the wealthy, who tend to save it, and less into the hands of lower- and middle-income people, who are likely to spend it on cars, fuel, furniture, and other necessities, thus spurring the economy.
The Critical/Opposing View
Critics, often from more free-market perspectives, argue the opposite case forcefully. One prominent critique frames unions as cartels: unions function as labor cartels restricting the number of workers in a company or industry to drive up remaining workers' wages, and retard economic growth, delaying recovery from recession, while over time destroying jobs in organized companies. This view holds that unions benefit their members but hurt consumers generally, and especially workers who are denied job opportunities, with companies passing higher wages to consumers through higher prices and often earning lower profits.
Bottom Line
The weight of mainstream academic economic research leans toward: unions raise wages (especially for lower-skilled and historically disadvantaged workers), reduce income inequality, and have little to no negative effect on productivity in most contexts—while reducing corporate profits and having ambiguous effects on overall employment levels, with risks of job losses if demands become excessive relative to productivity. Whether this net effect is "good for the economy" often depends on how you weigh worker welfare and equality against firm profitability and capital investment—which is ultimately a question involving value judgments, not just data.
Citations (20)
- Unions and Collective Bargaining: The Influence on Wages, Employment, and Firm Survival
Source excerpt: “# Unions and Collective Bargaining: The Influence on Wages, Employment, and Firm Survival ## Abstract Unions typically increase wages and other workin...”
evidence, reference entry, points to yes. Claim: Unions typically increase wages and working conditions for members, with a strong union-nonunion wage premium.
- Labor unions and health: A literature review of pathways and outcomes in the workplace - PMC
Source excerpt: “A leading labor economics textbook estimates a 15% union wage for private-sector and government-sector unions combined (McConnell et al., 2017). ”
statistic, article, points to yes. Claim: A labor economics textbook estimates a 15% union wage premium for private and government unions combined.
- How Unions Work for the Economy
Source excerpt: “Union members earn 10.2 percent more on average than nonunion workers who have comparable jobs and comparable experience. ”
statistic, article, points to yes. Claim: Union members earn about 10.2% more than comparable nonunion workers.
- Unions and Collective Bargaining: The Influence on Wages, Employment, and Firm Survival
Source excerpt: “The union wage premium is typically stronger at the lower end of the wage distribution, such that strong unions are associated with lower wage inequal...”
evidence, reference entry, points to yes. Claim: Union wage premium is stronger at the lower end of the distribution, so strong unions are associated with lower wage inequality.
- Labor unions and health: A literature review of pathways and outcomes in the workplace - PMC
Source excerpt: “Western and Rosenfeld (2011) find de-unionization from 1973 to 2007 explains from 20% to 33% of rising wage inequality in the US.”
statistic, article, points to yes. Claim: De-unionization from 1973 to 2007 explains 20% to 33% of rising US wage inequality.
- Unions are not only good for workers, they’re good for communities and for democracy: High unionization levels are associated with positive outcomes across multiple indicators of economic, personal, and democratic well-being
Source excerpt: “Black workers represented by a union are paid 13.1% more than their nonunionized Black peers, and Hispanic workers represented by a union are paid 18....”
statistic, article, points to yes. Claim: Union-represented Black workers earn 13.1% more and Hispanic workers 18.8% more than nonunion peers.
- How Unions Work for the Economy
Source excerpt: “### Unions Help Workers of Color and Women Unions also help reduce the gender pay gap. Nonunion women workers earn, on average, 78 percent of what men...”
statistic, article, points to yes. Claim: Nonunion women earn 78% of men's pay while unionized women earn 94%.
- Do More Powerful Unions Generate Better Pro-Worker Outcomes?
Source excerpt: “- **Excessive union demands limit job growth and work opportunities.** Union power doesn’t just boost wages indefinitely; in fact, when unions press f...”
evidence, official document, points to no. Claim: Excessive union demands can slow employment growth and limit job opportunities for unionized workers.
- Do More Powerful Unions Generate Better Pro-Worker Outcomes?
Source excerpt: “The more recent study by Frandsen found that unionization led to lower wages and average worker earnings at unionized establishments. ”
evidence, official document, points to no. Claim: One study found unionization led to lower wages and average earnings at unionized establishments.
- Unions do hurt profits, but not productivity, and they remain a bulwark against a widening wealth gap
Source excerpt: “The global evidence from more than 300 studies on the economic impact of unionisation shows unions do not, overall, reduce productivity. # Unions do ...”
evidence, article, points to yes. Claim: More than 300 studies show unions do not overall reduce productivity.
- Unions do hurt profits, but not productivity, and they remain a bulwark against a widening wealth gap
Source excerpt: “## National differences That evidence is mixed. In Britain, for example, union influence has reduced company productivity. In the US, unionisation a...”
evidence, article, neutral. Claim: Productivity effects differ by country: lower in Britain, higher in some US sectors, positive in developing countries.
- Unions do hurt profits, but not productivity, and they remain a bulwark against a widening wealth gap
Source excerpt: “Unionisation does make businesses less profitable for the owners. ”
evidence, article, points to no. Claim: Unionisation makes businesses less profitable for owners.
- Unions do hurt profits, but not productivity, and they remain a bulwark against a widening wealth gap
Source excerpt: “## Taking a share of profits The evidence shows unionisation is associated with lower profits, because unions secure higher wages and benefits for the...”
evidence, article, points to no. Claim: Unions secure higher wages and benefits, which lowers profits.
- Unions do hurt profits, but not productivity, and they remain a bulwark against a widening wealth gap
Source excerpt: “By reducing the profitability of an investment, unions may discourage further investment as owners of capital seek higher profits elsewhere. ”
evidence, article, points to no. Claim: Reduced profitability may discourage further investment as capital owners seek higher returns elsewhere.
- Unions do hurt profits, but not productivity, and they remain a bulwark against a widening wealth gap
Source excerpt: “In representing worker interests, they can help make a company a more attractive place to work, reducing turnover and increasing employees’ commitment...”
evidence, article, points to yes. Claim: Unions make firms more attractive workplaces, reducing turnover and increasing employee commitment.
- Unions aren’t just good for workers—they also benefit communities and democracy
Source excerpt: “Sojourner and Pacas (2018) find that union membership yields a positive “net fiscal impact”—or, to put it simply, unionized workers have more income a...”
evidence, article, points to yes. Claim: Union membership yields a positive net fiscal impact because unionized workers have more income and pay more taxes.
- How Unions Work for the Economy
Source excerpt: “Inequality harms overall economic growth by putting more money into the hands of the very wealthy, who tend to save that money, and less money into th...”
evidence, article, points to yes. Claim: Inequality harms growth because wealthy people save while lower- and middle-income people spend, spurring the economy.
- What Unions Do: How Labor Unions Affect Jobs and the Economy
Source excerpt: “They also argue, however, that increasing union membership will harm the economy.. # What Unions Do: How Labor Unions Affect Jobs and the Economy Uni...”
attribution, official document, points to no. Claim: Critics argue increasing union membership will harm the economy.
- What Unions Do: How Labor Unions Affect Jobs and the Economy
Source excerpt: “### Key Takeaways Unions benefit their members but hurt consumers generally, and especially workers who are denied job opportunities. ”
attribution, official document, points to no. Claim: Unions benefit members but hurt consumers and workers denied job opportunities.
- What Unions Do: How Labor Unions Affect Jobs and the Economy
Source excerpt: “Companies pass on those higher wages to consumers through higher prices, and often they also earn lower profits. ”
evidence, official document, points to no. Claim: Companies pass higher wages to consumers through higher prices and often earn lower profits.