Are labor unions good for workers and the economy?
Unions and the economy — I'll pull the evidence for your question.
Labor unions have both benefits and costs for workers and for the economy - research shows mixed but measurable effects:
Benefits for Workers
In raw median weekly wages in 2025, union members earned $1,404 compared to $1,174 for nonunion workers, though that gap does not adjust for occupation or industry.
Other estimates find unionized workers earn 11.2% more across industries — with Black union members earning 13.7% more and Hispanic members earning 20.1% more than non-union counterparts.
Data show 85 percent of unionized workers have access to paid sick leave, while only 62 percent of non-union workers have access.
Supporters argue unions provide worker protections, promote higher wages and better benefits, and are economic trend setters.
Unions help create a fairer economy by encouraging egalitarian wage practices and reduce race and gender wage gaps. Studies also find firms with strong unions pay their CEOs less, compressing the executive-to-worker pay ratio.
Unions are associated with lower turnover, which saves firms recruiting and training costs - replacing a departed employee costs half to double annual salary.
Economists call this the threat effect - when a unionized employer pays above-market wages, competing firms often raise pay to keep workers from leaving or organizing, and research covering 1980-2010 found declining unionization accounted for roughly a third of the overall drop in average hourly wages.
In public opinion, larger shares say unions have positive effects, including increasing worker salaries and giving workers more power and job satisfaction, though some believe they result in more frequent strikes and higher consumer costs.
Costs / Disadvantages for Workers and Employers
Critics note unions can make it harder to promote great workers and get rid of not-so-great workers and value seniority which can hurt younger workers trying to advance.
Effects on the Economy - Positive and Negative
Positive mechanisms:
Heightened workplace safety norms can pull up whole industries and higher pay can reduce income inequalities and increase consumer spending. The Treasury report argues unions contribute to economic growth and resilience in part by reducing overall inequality which otherwise impedes growth, and can boost businesses’ productivity by improving working environments.
Research shows in capital-intensive sectors like manufacturing and construction, a well-trained, long-tenured workforce often outweighs lost agility, and firms facing higher labor costs tend to invest more in automation which pushes output per worker higher.
Negative mechanisms:
Critics argue unions can lead to higher labor costs for employers, reducing competitiveness and potentially hindering job creation and that in competitive labor markets unions may impose restrictive work rules that limit flexibility and hinder productivity.
Another study concludes labor unions have reduced U.S. output by significant amounts -- trillions of dollars over time, and adversely affected employment-population ratio and unemployment rate.
Bottom Line
For individual workers who join, evidence is quite consistent that unions raise wages and benefits, especially for lower-paid, less-educated, women and minority workers, improve job security and reduce inequality. For the broader economy, the effects cut both ways: unions compress the wage gap and stabilize household spending, but they also increase labor costs in ways that can slow hiring and constrain business flexibility.
Whether that trade-off is seen as net positive or negative often depends on whether policymakers prioritize broadly shared wage growth and stability versus maximizing aggregate output, price competitiveness, and employer flexibility.
Citations (3)
- FACT SHEET: Treasury Department Releases First-Of-Its-Kind Report on Benefits of Unions to the U.S. Economy
Backs: “Labor unions have both benefits and costs for workers and for the economy - research shows mixed but measurable effects: Benefits for Workers. Higher pay - the "union wage premium": The U.S. Treasury Department finds unions raise the wages of their members by 10 to 15 percentand a similar estimate says labor unions…”
- How Do Labor Unions Affect the Economy: Pros and Cons
Backs: “Treasury Department finds unions raise the wages of their members by 10 to 15 percentand a similar estimate says labor unions raise wages for their members by roughly 10 to 15 percent.”
- What Unions Do: How Labor Unions Affect Jobs and the Economy
Backs: “Critics argue unions can lead to higher labor costs for employers, reducing competitiveness and potentially hindering job creation and that in competitive labor markets unions may impose restrictive work rules that limit flexibility and hinder productivity. Reduced investment and jobs: Heritage Foundation review of…”