Child labour refers to the employment of children in any work that deprives children of their childhood. interferes with their ability to attend regular school, and that is mentally, physically, socially or morally dangerous and harmful. this practice is consider all emploitative by many international organisation. legislation across the world prohibit child labour.these laws do not consider all work by children as child labour, exceptions includes work by child artists, supervised training, certain categories as work such as those by Amish children, some forms of child work common among indigenous American children, and other. Child labour was employed to varying extends through most of history. before 1940, numerous children age 5-14 worked in europe, the united states and various colonies of european powers. these children worked in agriculture, home-based assembly operations, factories, mining and in services such as newsies. some worked in night shifts lasting 12 hrs. with the rise of household income, availability of schools and passage of child labour laws. the incidence rates of child labour fell.