Final answer:
The decline in union membership in the U.S. is due to the shift from manufacturing to services, globalization, increased government social benefits and regulation, cultural differences, and potentially less supportive legal environments.
Step-by-step explanation:
The reasons for maintaining no union status and the decline of union membership in the United States can be multifaceted. One key reason is the shift from manufacturing to services, which traditionally has a lower rate of unionization. This economic transition, accompanied by globalization, plays a significant role in the changing landscape of workforce organization. Additionally, with the introduction of more government social benefits and regulation, some workers might feel unions are less necessary.
Cultural differences also contribute, as there is a varying acceptance of unions across countries. In comparison to other high-income economies, the US has notably less union coverage, suggesting legal and policy environments in the United States may be less supportive of unions.