People 25 Years and Over Who Have Completed a Graduate or Professional Degree for Illinois was 15.20% in January of 2022, according to the United States Federal Reserve. Historically, People 25 Years and Over Who Have Completed a Graduate or Professional Degree for Illinois reached a record high of 15.20 in January of 2022 and a record low of 10.80 in January of 2006. Trading Economics provides the current actual value, an historical data chart and related indicators for People 25 Years and Over Who Have Completed a Graduate or Professional Degree for Illinois - last updated from the United States Federal Reserve on April of 2024.