The earlier the privation and the longer its duration, the greater the potential impact on the child. The difference between the two is illustrated in the diagram below. The household with the lowest income in the street lives at number 1, the second poorest household lives at number 2, and so on up to the richest household in number 15. In the example given here, this comes to $60,000. In this example, the median income is $40,000 (the income of house No. Imagine, for example, that the two richest people in the street, living in houses Nos.