This map shows how common child labour was in the world, in 2003. The report of the World Bank concerns children aged 10-14 years old. The data is incomplete, as many countries do not collect or report child labour data (colored gray). The color code is as follows: yellow (<10% of children working), green (10–20%), orange (20–30%), red (30–40%) and black (>40%). Some nations such as Guinea-Bissau, Mali and Ethiopia have more than half of all children aged 5–14 at work, because the family does not earn enough money.