> The average American reads at a 7th- to 8th-grade level. 21% of Americans are functionally illiterate. https://www.crossrivertherapy.com/research/literacy-statisti...)
21%, yes, but what kind of American? Central American, South American?
> 21%, yes, but what kind of American? Central American, South American?
US citizens, as I think was clear from the context and the link.