Differential Undercounts in the U.S. Census

They can make up some of this with imputation, as we've seen. If you leave a blank, they use the data from other household members to guess. If they can't reach you, they use a proxy. If all else fails, they literally guess using statistics. (https://t.co/

And there are LOTS of reasons for this (https://t.co/KOtQu3Usnl). Renters are often undercounted. Low-income areas. People in group living. You may be missed if you're in the middle of a move, or at college, or on a trip. 12/