“In 2023, 28% of adults scored at or below Level 1…Adults scoring below Level 1 can comprehend simple sentences and short paragraphs with minimal structure but will struggle with multi-step instructions or complex sentences, while those at Level 1 can locate explicitly cued information in short texts, lists, or simple digital pages with minimal distractions but will struggle with multi-page texts and complex prose…of the adults with low English literacy skills, 66% were born in the U.S.”
I couldn’t find a straightforward crosswalk between those scales, I think because they are measuring different things (skill in a second language vs pure literacy). It seems like all other things being equal (which they often are not), PIAAC level 1 might roughly be equivalent to CEFR level A2, seeing that both are defined to comprehending short paragraphs of simple sentences. Someone can correct me if I am (ironically) comprehending the scales incorrectly
I think you are comprehending them correctly, they are not equivalent. Comparing the descriptions of capabilities may be the closest we can get.