The Evolution of Income Differences over the Life Cycle | St. Louis Fed
study on income fluctuations over time

Another clear pattern is that the income ratio at ages 55 to 59 shows a pronounced decline as the birth year increases. This means that the rise in income differences over the life cycle has become much less pronounced for individuals born more recently.


Quote Citation: Victoria Gregory, “The Evolution of Income Differences over the Life Cycle | St. Louis Fed”, January 30, 2026, https://www.stlouisfed.org/on-the-economy/2026/jan/evolution-income-differences-life-cycle