The Brennan Center for Justice conducted a survey in 2006 that estimated that 7% of Americans didn't have the necessary documents to prove citizenship [1][2] T

The Brennan Center for Justice conducted a survey in 2006 that estimated that 7% of Americans didn't have the necessary documents to prove citizenship [1][2] The ABA quotes the US Census estimating as many as 10,000 babies are born every day without a birth certificate [3]. [1]: https://www.brennancenter.org/our-work/analysis-opinion/millions-americans-dont-have-documents-proving-their-citizenship-readily https://www.brennancenter.org/our-work/analysis-opinion/mill... [2]: https://www.brennancenter.org/our-work/research-reports/citizens-without-proof https://www.brennancenter.org/our-work/research-reports/citi... [3]: https://www.americanbar.org/groups/public_education/publications/teaching-legal-docs/birth-certificates/ https://www.americanbar.org/groups/public_education/publicat...