Within the US, virtually any resident of a large city or major metropolitan area, which is over 85% of the population: <https://www.nytimes.com/live/2021/08/12/us/census-results-da...>.

This is also one of the areas in which the Internet has actually delivered on early promise (though the success has been a long time coming, and remains precarious): the Internet Archive offers access to over 20 million records, and aims to have a web page for every book ever published. Note that this still isn't full access to all material, but it's quite good.

<https://openlibrary.org/about>

The US Library of Congress has also been expanding its public access, as have other large public libraries (the New York Public Library notably). LoC also have specific programmes aimed at disabled readers such as its NLS BARD programme for the visually- and reading-disabled.

<https://federalnewsnetwork.com/open-datatransparency/2022/02...>

<https://www.loc.gov/nls/how-to-enroll/sign-up-for-bard-and-b...>