Across the OECD, the labour-market performance of foreign-born-adults tends to lag behind that of the native-born. Immigrants are not only more likely to be unemployed or inactive, but they also earn less and work in lower-skilled jobs. Differences in skills proficiency, language spoken and country of education explain a large part--albeit not the…

"Illiterates" are those who have not learned to write in any language. This is the definition on which American and most foreign statistics of illiteracy are based, because the percentage of those who can read but can not write is so small that it may be ignored. The test of writing one's name and ordinary words is simple, easily…