Breadcrumb Home July 22, 2013 01:00 AM Retirement realities A recent analysis by Dimensional Fund Advisors examines replacement and savings rates for various income levels. Tweet Share Share Email More Toggle Fullscreen Share Dimensional Fund Advisors While lower-income retirees can rely more on Social Security, 30% to 40% of higher earners' income replacement will come from their savings. Toggle Fullscreen Share Dimensional Fund Advisors Savings rates grouped by starting age and success probabilities highlight the importance of beginning early. Toggle Fullscreen Share Dimensional Fund Advisors Dimensional's analysis demonstrates the need to increase savings rates as income levels grow.