Public sector unions significantly impact labor politics by advocating for workers' rights, benefits, and working conditions. They engage in collective bargaining to negotiate contracts that influence salaries and job security for public employees. Unions often play a crucial role in shaping policy debates on labor issues and can mobilize members for political campaigns, thus affecting election outcomes. Their strength varies by state and can influence public opinion on labor rights and social justice. The presence of robust public sector unions typically correlates with a stronger commitment to worker protections and progressive policies.