Near Islamabad, Pakistan, 6-year-old Jabro Mounir was arranging bricks this summer — part of his daily work at a brick-making facility. He earns a little less than $2 per day. Muhammed Muheisen/AP hide caption

itoggle caption Muhammed Muheisen/AP

A child carries a basket of stones while unloading a quarry boat with adult workers at a port in Yangon, Myanmar, last year. The U.N. says more than a third of the country's children have jobs. Alexander F. Yuan/AP hide caption

itoggle caption Alexander F. Yuan/AP