The global literacy rate for all people aged 15 and above is 86.3%. The global literacy rate for all males is 90.0%, and the rate for all females is 82.7%. The rate varies throughout the world, with developed nations having a rate of 99.2% (2013), South and West Asia having 70.2% (2015), and sub-Saharan Africa at 64.0% (2015).Over 75% of the world's 781 million illiterate adults are found in South Asia, West Asia, and sub-Saharan Africa, and women represent almost two-thirds of all illiterate adults globally.