Which of the following best distinguishes Medicare from Medicaid?

Medicare is indeed primarily designed to serve individuals aged 65 and older, making it a crucial program for senior citizens. It provides health coverage to this age group, addressing a key demographic that often faces significant health care needs. This age distinction is essential because it emphasizes the program's role in supporting older adults, who may require more intensive medical care due to age-related health issues.

In contrast, Medicaid is a state and federal program that provides health coverage primarily for low-income individuals, regardless of their age. This fundamental difference in target populations is what sets Medicare apart, as it is not income-based but rather age-based for its primary beneficiaries. Therefore, while Medicaid can cover various demographic groups, including children, its main focus is on financial need rather than age.

Understanding this distinction clarifies how each program addresses different segments of the population, highlighting Medicare's role in the healthcare landscape for older adults.