I wonder if a high percentage of illiteracy in each place coincides with a high amount of alternative language forms being used?

47% of Australians are functionally illiterate - http://www.abc.net.au/local/videos/2012/09/07/3585457.htm

Illiteracy in Texas (still ranked #1 in US?) - http://www.literacytexas.org/literacy_in_texas/facts_statist...