Before revision: While the questions in the US Census vary each decade, its aim is to quantifiably measure characteristics about the residence within its borders, such as marital status, age, sex, race, education status, employment status, and location.
After revision: While the questions in the US Census vary each decade, its aim is to quantifiable measure characteristics about the residence within its borders, such as marital status, age, sex, race, education status, employment status, and location.