You probably don't even realize how many people with vision, hearing, movement or cognitive impairments can use your site. According to statistics, the number of disabled people in Poland is about 4.7 million, or 12.2% of the population! A survey conducted at the end of 2014 shows that 42% of people are moderately disabled, 28% significantly disabled and 25% have a certificate of a slight degree of disability. A large percentage of people in the world also have various types of disorders related to color blindness. On average, 1 in 12 men and 1 in 200 women suffer from it.