The ILO's Minimum Age Convention, 1973 (No. 138) has been ratified by 168 member States and the Worst Forms of Child Labour Convention, 1999 (No. 182) by 180 - near universal ratification.

国际劳工组织1973年《最低年龄公约》(第138号)已经得到168个成员国的批准，而1999年《最恶劣形式童工劳动公约》(第182号)得到了180个成员国的批准，接近普遍批准。

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Pakistan has signed and ratified the UN Convention on the Rights of the Child, which prohibits child labour, but officials argue that it's not easy to enforce the terms of the convention.

BBC: By Islamabad Correspondent Owen Bennett-Jones