how often does the united states attempt to count every person in the country
United States Census The United States Census is a decennial census mandated by Article I, Section 2 of the United States Constitution, which states: "Representatives and direct Taxes shall be apportioned among the several States ... according to their respective Numbers ... . The actual Enumeration shall be made within three Years after the first Meeting of the Congress of the United States, and within every subsequent Term of ten Years."[1][2] The United States Census Bureau (officially the Bureau of the Census, as defined in Title 13 U.S.C. ยง 11) is responsible for the United States Census.