How many US Senators represent Arizona?

Arizona is represented by two U.S. Senators. Each state in the United States has an equal representation in the Senate, allowing for two senators regardless of the state's population size. This is established in the U.S. Constitution to ensure that all states have an equal voice in the legislative process. This structure contributes to a balance between smaller states and larger states in national decision-making. Therefore, Arizona's representation aligns with this federal standard, which is why the correct answer is two.