Language Inequality: Narrowing the Word Gap Between Rich & Poor Children Listen Download Embed Share Share this on Facebook (Opens in a new window) Share this on Twitter (Opens in a new window) Share this via Email Researchers have found a marked disparity in the vocabulary of children of low-income and high-income parents. It's become known as the 30-million word gap. ( Brandy Taylor / Getty ) Produced by Kristen Meinzer Produced by PRI and WNYC