Household profile According to the National Household Income and Expenditure Survey 2010 by INEGI, there are 29 million households in Mexico and average household size continues to decline (3.9). According to the survey, the third part of household expenditure is spent on food and beverages, followed by the transportation costs (14%) and in third place, services and education articles (9%). In the field of telecommunications (5%) there is almost as much spent as in dress and shoes (6%). Only 18 thousand households have expenditure on rent, property taxes and maintenance fees, spending amounts to only 4%. * Source: INEGI. New construction of variables from the National Survey of Income and Expenditure 2010.