Which of the following is NOT an environmental factor affecting budget considerations?

In the context of budget considerations, public opinion is not typically classified as an environmental factor that directly influences budget decisions. While public opinion can certainly shape policy priorities and create pressure for certain budget allocations, it does not have the same direct impact as the elements listed in the other options.

The economy, for instance, has a substantial effect on budget planning, as economic conditions can determine available revenues and necessary expenditures. Health issues can lead to increased spending needs, particularly in programs related to public health, healthcare services, and social supports. National security, similarly, is a critical area that often requires significant investment and can dictate budget resources for defense and safety-related expenditures.

Thus, while public opinion plays an important role in the overall political landscape and may indirectly affect budget priorities, it does not qualify as an environmental factor in the same way that the economy, health issues, and national security do. These are more concrete influences on budgets that directly affect financial planning and resource allocations.