Are labor unions good for workers and the economy?
Pro-union sources (EPI, Treasury, TCF, WorkRise) say unions raise wages and productivity and reduce inequality, while Heritage says unions act as cartels that raise prices and reduce jobs.
This is a genuinely contested question, and economists and policy analysts disagree—so here's a balanced view of the main evidence and arguments on both sides.
The case that unions benefit workers
Higher wages. The core, most consistent finding across studies is a "union wage premium." a worker covered by a union contract earns 12.8% more in wages than a peer in a nonunionized workplace in the same industry with a similar education, occupation, and level of experience The Treasury Department similarly notes that simple comparisons of the wages of union workers and nonunion workers find that union workers typically make about 20 percent more than nonunion workers, though causal estimates controlling for worker characteristics are somewhat lower (around 10%, per CAP's analysis).
Better benefits and job security. Union workers have greater access to critical fringe benefits, such as retirement, medical benefits, and life insurance. Unions also impact personnel practices, bringing about better workplace grievance systems and improved workplace safety. Similarly, more than nine in 10 workers (91%) covered by a union contract have access to paid sick days, compared with just 79% of nonunion workers.
Reducing inequality. Research also finds that unions fuel equality. Today's unions benefit all demographic groups, and unions reduce race and gender wage gaps by encouraging explicit anti-discrimination measures and egalitarian wage practices.
Spillover effects on non-union workers. Unionization also has spillover effects—competition means workers at nonunionized firms may see increased wages too, and heightened workplace safety norms can pull up whole industries, with benefits spilling over to workers' families and communities.
Productivity effects are mixed-to-positive, not negative. Contrary to the common assumption that unions hurt efficiency, conservatives and corporate lobbyists have long argued that unions are a wrench in the corporate machinery that hurts efficiency and productivity, yet many academic studies contradict that notion and have found that unions do not hurt productivity. Some research goes further: in the United States, unions generally have a positive impact on productivity, and this effect is particularly strong among manufacturing firms.
Macroeconomic argument. Proponents argue unions support broader growth by boosting demand and labor's share of income: organized labor's success enabled millions of workers to buy homes and cars for the first time, increasing overall consumer demand, and by raising wages and reducing income inequality, unions also spur the nation's economic growth. Related research suggests unionization has an inverse relationship with the labor share of income, and the decline in worker power has been associated with an increase in economic rents in the form of profits going to companies—which risks stymying economic growth, as workers' share of national income has a positive impact on economic growth in the long run.
The case that unions can have costs
Reduced corporate profitability and higher prices. Even sympathetic sources acknowledge this trade-off: studies have found that unionization often hurts corporate profitability by forcing companies to share more of their revenues with their workers in the form of increased wages and benefits. Critics go further, arguing unions function as labor cartels, restricting the number of workers in a company or industry to drive up remaining workers' wages, and companies pass on those higher wages to consumers through higher prices, often earning lower profits.
Potential job losses / reduced hiring. Some economists argue unions can shrink overall employment: unions benefit their members but hurt consumers generally, and especially workers who are denied job opportunities, and unions decrease the number of jobs available in the economy. More rigorous cross-country research found narrower effects: more union involvement in wage setting significantly decreases the employment rate of young and older individuals relative to the prime-aged group, with no significant effects on the relative unemployment of these groups.
Trade-offs even for union power itself. A more nuanced critique from recent research suggests union benefits aren't automatic or unlimited: 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 same analysis notes the union wage premium has been shrinking: labor unions have historically secured higher wages for unionized workers; however, recent studies show that since the 1980s, the wage gap between unionized and non-unionized workers has narrowed, in large part because of global competition and technological changes.
Costs to employers. For employers, unions promote workforce stability and reduce turnover, but they increase operational costs and negotiation complexity while limiting managerial flexibility.
Bottom line
Most contemporary labor economists agree unions raise wages and benefits for their members and often have neutral-to-positive productivity effects, but there's genuine disagreement about the net macroeconomic effect—particularly around job creation, business investment, and consumer prices. The debate today is less "unions: yes or no" and more about how much bargaining power is optimal, and whether particular policies (like the PRO Act) would shift that balance too far in either direction. Free-market-oriented analysts (Heritage, some Mercatus researchers) tend to emphasize cartel-like downsides, while labor-oriented and government sources (EPI, Treasury, CAP) emphasize wage gains, inequality reduction, and spillover benefits.
Citations (18)
- Unions aren’t just good for workers—they also benefit communities and democracy
Source excerpt: “On average, a worker covered by a union contract earns 12.8% more in wages than a peer in a nonunionized workplace in the same industry with a similar...”
statistic, article, points to yes. Claim: Union-covered workers earn 12.8% more than similar nonunion peers in the same industry.
- Labor Unions and the U.S. Economy | U.S. Department of the Treasury
Source excerpt: “While simple comparisons of the wages of union workers and nonunion workers find that union workers typically make about 20 percent more than nonunion...”
statistic, article, points to yes. Claim: Simple comparisons show union workers make about 20 percent more than nonunion workers.
- Secretary Statements & Remarks
Source excerpt: “We also observe that union workers have greater access to critical fringe benefits, such as retirement benefits, medical benefits, and life insurance....”
evidence, official document, points to yes. Claim: Union workers have greater access to fringe benefits such as retirement, medical benefits, and life insurance.
- Unions aren’t just good for workers—they also benefit communities and democracy
Source excerpt: “Thanks to unions’ collective bargaining successes, union workers have greater access to paid sick days than nonunion workers: More than nine in 10 wor...”
statistic, article, points to yes. Claim: 91% of union-covered workers have paid sick days versus 79% of nonunion workers.
- Secretary Statements & Remarks
Source excerpt: “Importantly, our research also finds that unions fuel equality. Today’s unions benefit all demographic groups. Unions reduce race and gender wage gaps...”
evidence, official document, points to yes. Claim: Unions reduce race and gender wage gaps and benefit all demographic groups.
- Secretary Statements & Remarks
Source excerpt: “Unionization also has spillover effects. Competition means workers at nonunionized firms may see increased wages too. Heightened workplace safety norm...”
evidence, official document, points to yes. Claim: Unionization has spillover effects on nonunion wages and workplace safety norms.
- How Unions Work for the Economy
Source excerpt: “Conservatives and corporate lobbyists have long argued that unions are a wrench in the corporate machinery that hurts efficiency and productivity. Yet...”
evidence, article, points to yes. Claim: Many academic studies contradict the claim that unions hurt productivity.
- How Unions Can Increase Firm Productivity and Strengthen Economic Growth | WorkRise
Source excerpt: “In the United States, unions generally have a positive impact on productivity, and this effect is particularly strong ... ”
evidence, article, points to yes. Claim: In the US unions generally have a positive productivity impact, especially in manufacturing.
- How Unions Work for the Economy
Source excerpt: “Organized labor’s success enabled millions of workers to buy homes and cars for the first time, and in that way, unions increased overall consumer dem...”
evidence, article, points to yes. Claim: Union success let workers buy homes and cars, boosting consumer demand and economic growth.
- How Unions Can Increase Firm Productivity and Strengthen Economic Growth | WorkRise
Source excerpt: “In addition to income inequality, unionization has an inverse relationship with the labor share of income —or how much of economic growth goes to work...”
evidence, article, points to yes. Claim: Unionization has an inverse relationship with labor share of income; worker share supports long-run growth.
- How Unions Work for the Economy
Source excerpt: “(Studies have found, however, that unionization often hurts corporate profitability by forcing companies to share more of their revenues with their wo...”
evidence, article, points to no. Claim: Unionization often hurts corporate profitability by forcing firms to share revenues with workers.
- What Unions Do: How Labor Unions Affect Jobs and the Economy | The Heritage Foundation
Source excerpt: “Unions function as labor cartels, restricting the number of workers in a company or industry to drive up the remaining workers' wages. ”
attribution, official document, points to no. Claim: Critics argue unions function as labor cartels restricting workers to drive up remaining wages.
- What Unions Do: How Labor Unions Affect Jobs and the Economy | The Heritage Foundation
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 union wages to consumers via higher prices and often earn lower profits.
- What Unions Do: How Labor Unions Affect Jobs and the Economy | The Heritage Foundation
Source excerpt: “Unions benefit their members but hurt consumers generally, and especially workers who are denied job opportunities. Unions decrease the number of jobs...”
attribution, official document, points to no. Claim: Some economists argue unions hurt consumers and outsiders and decrease the number of jobs.
- Whose Employment is Affected by Unions? | NBER
Source excerpt: “The researchers find that, for both men and women, more union involvement in wage setting significantly decreases the employment rate of young and old...”
evidence, article, points to no. Claim: More union wage-setting involvement lowers employment of young and older individuals relative to prime-aged, without affecting relative unemployment.
- Do More Powerful Unions Generate Better Pro-Worker Outcomes? | Mercatus Center
Source excerpt: “The following key points summarize ... paper: Union power does not always benefit workers. Research shows that while powerful unions with monopolistic...”
evidence, official document, points to no. Claim: Powerful monopolistic unions win gains but with trade-offs that can harm unionized workers and the economy.
- Do More Powerful Unions Generate Better Pro-Worker Outcomes? | Mercatus Center
Source excerpt: “Labor unions have historically secured higher wages for unionized workers. However, recent studies show that since the 1980s, the wage gap between uni...”
evidence, official document, points to no. Claim: The union wage premium has narrowed since the 1980s due to global competition and technology.
- The Pros and Cons of Labor Unions: Perspectives from Employees to Society – Pros and Cons of Labor Unions: Should I Join a Union?
Source excerpt: “Compared to this week’s materials, ... For employers, unions promote workforce stability and reduce turnover, but they increase operational costs and...”
evidence, article, neutral. Claim: Unions promote workforce stability and reduce turnover but raise costs and limit managerial flexibility.