In Iran, like in other countries of the world, there are children who work either voluntarily or forcibly. According to the economic and political situation of the society, the number of children labour in the country may fluctuate in different periods. The available statistics on the number of children labour in Iran are scattered. At different times, different authorities of Iran have published non-comprehensive and non-centralized statistics on the number of children labour in this country.[1][2][3][4]