How many children are involved in child labour?

Worldwide 152 million children are getting exploited in the name of child labor. Out of this 88 million are boys and 64 million are girls. Though the ratio of girl might look less, but there are many girls who are involved  in household chores and are still under the count. Though there are laws to protect the rights of these children, still maximum number of working children belong to the age group of 5 to 11 years.