How Many People in the World Wear Glasses?

More women wear glasses than men; over 50 percent of all women wear glasses as opposed to 42 percent of all men. Approximately 85 percent of the entire population wear sunglasses. Nearsighted vision problems are more common in younger people while farsighted vision complications typically arise during the golden years. One-third of all people who wear glasses have at least a slight astigmatism.