In 1973, Freudenberger created the term burn-out in the United States. At that time, he described the burn-out of people in caring or social professions. Today, burn-out is no longer seen only in social professions. According to a study by Statista from 2017 with 649 respondents, it emerges that in the service sector most respondents (14%) estimate the risk of burn-out to be the highest. With 11%, health, care and social services are still the second most affected group. In the area of administration, management and office work, 9% of the respondents still estimate their risk as high.