Final answer:
The two leading causes of death in 65-74 year-olds are cancer and heart disease. Together, they account for a significant percentage of deaths in this age group.
Step-by-step explanation:
The two leading causes of death in 65-74 year-olds are cancer and heart disease. Together, they account for a significant percentage of deaths in this age group. The exact percentage may vary depending on the region, but globally, cancer and heart disease are responsible for a large portion of deaths in this age range.