The document discusses aging trends globally and in the United States. It notes that industrialized nations have higher percentages of elderly citizens due to increased lifespans. In America specifically, life expectancy has doubled over the last century, leading to a "graying" population where there are now more elderly than teenagers. Attitudes toward old age can be influenced by biological, personal, and societal factors. The document also examines theories about retirement and aging, challenges faced by elderly populations like poverty and neglect, and perspectives on aging and death in modern societies.