The assessment of the loss of earning in personal injury

The loss of earning and pension is an important kind of damages in personal injuries which it,s assessment is difficult and depends on some parameters like: the kind of work, for example it is a simple or is uncertain, self employment, without job,… .also it is important we know the complainant is a child or housekeeper woman or an adult. Also we should pay attention to the subject of tax, pension contribution, sick pay, inflation,… . any way there are some ways to assess this damage. some countries use the Ogden tables and the others use theorem like USA.in both of them they try to concern all important elements like age, gender, the life time, work time and,… . specially about the losses for future these factors and ways are important to estimate the real damage