www.census.gov

This is the first assignment which is not listening on blog.

After looking at some information about American population at website http://www.census.gov
we can infer that US will be many more elderly in the future than now. Why could I say that?

The data are drawn primarily from many different sources. Data discribing the overall population by age and sex (such as percentage elderly and support ratios) refer to the entire population; data for specific population characteristics such as education, labor force participation, poverty, foreign-born status, and living arrangements refer to the civilian population.
Current Population Survey estimate for the early 1990s are inflated to national population controls by age, sex, race, and Hispanic origin.
We know there will be many more elderly in the future than now, but projections differ in predicting how many more. These differ in terms of the assumptions concerning the future trajectories of fertility, mortality, and net migration.