Statistically, you do not need a certain percentage of the population you are surveying to obtain good results. There are other factors used to determine the re

Statistically, you do not need a certain percentage of the population you are surveying to obtain good results. There are other factors used to determine the required sample size to achieve results with a given level of confidence. See the article below if you're interested in the details. Organizational Research: Determining Appropriate Sample Size in Survey Research http://www.osra.org/itlpj/bartlettkotrlikhiggins.pdf http://www.osra.org/itlpj/bartlettkotrlikhiggins.pdf