How does iliteracy affect society​

hope it helps

Explanation:

illiterate adults experience poorer health outcomes, less financial security, and lower life expectancies compared to the overall population. Literacy, which conceptually encompasses far more than the ability to read, has become increasingly important as our society becomes ever more dependent on technology.

no , per capita income is not a true measure of the development because: -it only tells us about average income not how income is distributed among the people.it only give us an idea of the economic aspect.it is only at the qualitative basis.moreover, income is not only the way of development other factors are also as much as important as income.