A difficult aspect of measuring the unemployment rate is multiple choice 1 collecting sufficient, accurate, and relevant information to determine how many people in a population are employed or eligible and available to work and searching for work. collating information from provinces that use vastly different methods to collect information on the population in their local area. collecting information from every person in the population to determine if they are employed, eligible or available to work. choosing the right people to respond to inquires regarding individual personal, private information such as your employment status or eligibility and availability to work and work search status