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Technology

Overcoverage and Undercoverage in Census Enumeration and Its Social Consequences

Quick fact

In the United States 2020 Census, an estimated 0.24% of the population was overcounted, but the undercount was far more severe for specific groups: Black people were undercounted by about 3.3%, Hispanic people by about 5%, and American Indians living on reservations by about 5.6%—even as other groups were overcounted.

Why this is interesting

Imagine a government trying to count every single person in a country—everyone. Now imagine it misses 2% of them. That might sound small, but in a country of 300 million, that's 6 million people, more than the population of many small nations. What happens when those 6 million are invisible?