In recent decades, however, union membership has declined so that fewer than one-fourth of the nation’s workers belong to any union. The American Federation of State, County, and Municipal Employees; the United Food and Commercial Workers International; and Service Employees International are among the largest and most influential labor unions. The AFL-CIO (American Federation of Labor–Congress of Industrial Organizations) is an umbrella organization of labor unions that cooperate in order to expand their influence. Labor unions spend much of their time and energy dealing with employers, but they also play a political role. Unions mobilize voters and donate money to help candidates who they feel will benefit workers.

Agricultural Groups

Agricultural groups represent the interests of farmers. Farmers have been organized for centuries to protect themselves against price fluctuations and other issues. In the United States, farmers’ groups, such as the Grange movement, have played an important role in politics, which continues today: The federal government spends large amounts of money supporting farmers and influencing what crops are grown. Not all agricultural groups agree on the same policies. Some groups, such as the Farm Bureau, tend to work most closely with large agribusinesses, whereas others, such as the Farmers Union and the Grange, do more to protect family farms.

Professional Associations

Many professionals have formal organizations that set ground rules for the profession, regulate practices, and promote standards of conduct. Professional associations also lobby the government on issues related to their profession. The American Medical Association, for example, fights against laws it feels undercut physicians’ autonomy. Similarly, the National Education Association, a professional association for teachers, lobbies for policies it feels will benefit teachers and students.

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