The proportion of deaths among those 65 or older has fluctuated from eight out of 10 in the first few months of the pandemic, to a low of 6 out of 10 when the delta wave struck in the summer of 2021, to a high of 9 out of 10 today. . . . Last month [October], people 85 and older represented 41.4 percent of deaths, those 75 to 84 were 30 percent of deaths, and those 65 to 74 were 17.5 percent of deaths, according to a Post analysis. All told, the 65-plus age group accounted for nearly 90 percent of covid deaths in the United States despite being only 16 percent of the population.