What factors are typically responsible for the increase in the number of people with disabilities?

The increase in the number of people with disabilities can be attributed to a combination of several key factors, all of which play a significant role.

Population growth contributes to the overall increase in the number of individuals, including those who may have disabilities. As the total population rises, naturally, the number of individuals with varying abilities will also increase.

Medical advances have improved diagnostics, enabling healthcare professionals to identify and categorize disabilities that may have previously gone unrecognized. Additionally, advancements in medical treatments and technology can extend the lifespan of individuals with disabilities, resulting in more people living with these conditions for longer periods.

The aging population is another crucial factor. As life expectancy increases, there are more older adults who may experience age-related disabilities such as mobility impairments, cognitive decline, or chronic health conditions. Aging naturally increases the incidence of various disabilities as people are living longer but may face the challenges associated with aging.

Together, these factors create a comprehensive understanding of why the number of people with disabilities is increasing, making "all of these" the most comprehensive and accurate choice.