The global adult literacy rate (aged 15 years and older) was 86 percent in 2019, which has remained almost unchanged since 2015. Since 2015, the number of non-literate youth and adults had decreased by over 10 million to 773 million in 2019 according to UIS and Global Monitoring Report (2020). Lost your ability to read and click the mouse to change the color of the LiteracyBlocker.