| − | A '''census''' is a counting of all individuals within a given area where more specific demographic information is usually collected as well. The [[United States]] government takes a census every 10 years. | + | A '''census''' is a counting of all individuals within a given area where more specific demographic information is usually collected as well. The [[United States]] government began in 1790 to take a census every 10 years. Other major countries followed in the 19th century. It is a major topic in [[Demography]]. |