Census (noun)

1. An official count or survey of a population, typically recording various details of individuals.
2. The action or process of counting a population.
3. A detailed analysis of a particular group or area.

Origin:

Late middle english: from latin censere "assess, tax", from censere "to give one"s opinion", from censere "to give".

Examples:

1. The government conducts a census every 10 years.
2. The census showed a population of over 5 million.
3. The census provided detailed information about the population's age, race, and income.
4. A census is taken to determine the number of people living in a particular area.
5. The census data is used to apportion seats in the legislature.