What factor is linked to the growing aging population worldwide?

The growing aging population worldwide is primarily linked to advancements in healthcare technology. These improvements have contributed to increased life expectancy and a higher quality of life for many individuals. Innovations in medical treatments, preventive care, and health management have enabled people to live longer, healthier lives. As a result, the proportion of older individuals in the population is steadily rising.

This factor also emphasizes the impact of effective healthcare systems that can manage chronic diseases and promote wellness among the elderly, further contributing to the global demographic shift towards an older population. Other options, such as increased birth rates, decreased life expectancy, and higher mortality rates, do not align with the trend of an aging population, as they would typically lead to a younger population structure.