Final answer:
Automation is not a demographic challenge but a technological one. Demographic challenges more accurately refer to shifts such as an increase in knowledge workers, an aging workforce, better educated workers, and more gender diversity with more women in the workforce.
Step-by-step explanation:
Organizations indeed face a multitude of demographic challenges due to an increasingly diverse workforce. However, the challenge listed in the question options that does not align with the demographic changes in the workforce is automation (A). The other options provided - increasing number of knowledge workers (B), older workers (C), better educated workers (D), and more women employees (E) - all relate directly to demographic shifts and diversity in the working population. For instance, the aging population and the retirement of baby boomers can lead to an increase in the proportion of older workers. A rise in educational achievements contributes to a workforce that is better educated. Furthermore, with more women entering the workforce since the 1970s and 1980s, there is a noticeable increase in gender diversity within organizations.
Automation, on the other hand, is more of a technological challenge than a demographic one. It pertains to the use of technology to perform tasks that once required human labor, thereby changing the nature of work and potentially displacing certain jobs. While automation can influence the labor market and the types of jobs available, it is not itself a change in the demographics of the workforce.