The 2020 Census, which is in charge of helping states reapportion congressional, state, and local districts, severely undercounted and overcounted certain states. This could have robbed or added unnecessary representation to certain states. See the states that were undercounted and overcounted.
Partial view of the headquarters building of the United States Census Bureau in Suitland, Maryland. Over 4,000 people work in the building. Via Wikimedia Commons.