demography and biology of aging

Question 1

What is the worldwide proportion of adults >65yo as of 2020?

Answer 1

9.3% (19.3% in developed countries). Projected to be 15.9% by 2050

Question 2

What is the current average life expectancy at birth?

Answer 2

79 (developed regions), 70 (developing regions)

Question 3

2 most common causes of death in older adults

Answer 3

1. CVD 2. Malignancy

Question 4

Proportion of US adults >65 in 2018?

Answer 4

16% (projected to be 20% by 2030)