This document discusses generational trends in the United States population from 1900 to 2050. It notes that the population is growing older as life expectancy increases, and the proportion of children and youth is declining while the proportion of seniors is increasing rapidly. Specific generations discussed include Baby Boomers, Generation X, and Millennials. For each generation, key traits, values, and strategies for marketing and employment are outlined. The document emphasizes the importance of understanding new generations in order to stay current and avoid potential perils.