Research is the labor of finding knowledge (and information), either where it was hidden, hard to reach, or unknown. Research usually means empirical research.
... population is spread out with 29.5% under the age of 18, 6.7% from 18 to 24, 33.6% from 25 to 44, 20.6% from 45 to 64, and 9.6% who are 65 years of age or older. Th ...