This report contains projections of the United States population. by age, sex, and race for the years 1988 to 2080. The projections represent the mathematical out- come of assumptions about future trends in fertility, mortality, and net immigration. They are based on July 1, 1986, population estimates by age, sex, and race and are projected forward using the cohort-component method with alternative assumptions for future fertility, mortality, and net immigration levels. These assumptions are shown in table A.