What does the U.S. Constitution say about including illegal aliens in the census?

Checked on August 9, 2025
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1. Summary of the results

The U.S. Constitution is unambiguous regarding the inclusion of all persons in the census, regardless of citizenship or immigration status. Article I, Section 2 and the 14th Amendment specifically require counting the "whole number of persons in each state" (p1_s1, p1_s2, p1_s3, p2_s1, p3

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