1-Education: While the household education level is taken as a reference, the education level of the individual with the highest education in the household is taken into account. For the specified education level, the schools from which the households older than 16 years of age graduated last are determined and the highest education level is included in the calculation.

2-Profession: In determining the occupational knowledge, the occupational group that can bring the highest income in the household and make the highest contribution to the household budget is taken as reference.

3-Income: It is considered as the average household income and the average income of all actively working and salaried individuals in the household is included in the calculation.