How does the U.S. compare to other countries (e.g., Japan, Germany, Italy, France, and Spain) in terms of aging populations? Group of answer choices The U.S. median age is in the thirties, while the median age of most European countries is in the teens. The U.S. and Western European countries have about 10-30% of individuals aged 60 or older. Japan has the lowest percentage of individuals aged 65+. Older adults are projected to outnumber children in other countries, but not the U.S