National Survey of Household Income and Expenditure (ENIGH) 1998

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Presentación National Survey of Household Income and Expenditure (ENIGH) 1998

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ENIGH 1998 was carried out to meet the demands of information on income distribution and household expenditure, raised by various users to build some basic indicators in the implementation of economic and social policies and in research on living standards of the population.

The National Survey of Household Income and Expenditure (ENIGH), has its roots in several surveys conducted by various public agencies. In 1956 and 1958, the General Directorate of Statistics (DGE), then under the Ministry of Industry and Commerce (SIC), conducted the survey on Revenues and Expenditures of the Population in Mexico, and in 1960 conducted The 16 cities of the Mexican Republic and Family Income and Expenditure. Meanwhile, for the years 1963 and 1968, the Mexico´s Central Bank conducted the Family Income and Expenditure survey.

During the period 1969-1970, the DGE-SIC again conducted the survey on Revenues and Expenditures of Mexico. Later, in 1975, the Ministry of Labor and Social Welfare (STPS) conducted the Family Income and Expenditure. In 1977 the DGE, as part of the Ministry of Programming and Budget (SPP), developed the National Survey of Household Income and Expenditure, which constituted the immediate predecessor of the surveys carried out DGE-INEGI for periods: 1984, 1989, 1992, 1994, 1996 and 1998.


It is from 1984, when a tendency to expand the objectives and methodology to homogenize began, taking into account international recommendations and information requirements of different users, taking care of the historical comparability.

Generate statistics on the amount, structure and distribution of the income and expenditure of households.

Since 1992 it has been conducted every two years except for 2005, since it was an extraordinary conduction.

Target population
They are the homes of nationals or foreigners, who usually reside in private homes within the national territory.
Theme coverage
  • Total monetary and non-monetary current income.
  • Total monetary and non-monetary current supply.
  • Financial and Capital Transactions.
  • Characteristics of housing infrastructure.
  • Sociodemographic characteristics of household members.
  • Conditions of activity of the population aged 12 and over.
Classifiers used
  • Mexican Classification of Occupations (CMO), 1992.
  • Mexican Classification of Activities and Products (CMAP), 1989 and other classifiers of the survey.
International recommendations

The following documents have been consulted:

  • The reports of the International Conferences of Labour Statisticians, of the International Labour Organization (ILO).
  • Manual of Household Surveys. Department of International Economic and Social Affairs, Statistical Office. United Nations, New York, 1987.

1998.

National.

Guanajuato and the Metropolitan area of Mexico City, that at the time, agreed to expand the sample together with the INEGI.

  • Urban areas: towns of 2,500 or more inhabitants.
  • Rural areas: towns with less than 2,500 inhabitants.

Sample size
12,465 housing units.
Observation unit
The household.
Sampling unit
The housing unit.
Analysis unit
The household, housing unit and household members.
Sampling frame
The sampling framework used is the National Housing Framework of the INEGI, built from cartographic and demographic information obtained from the Population and Housing Count 1995.
Sampling scheme
The sampling design was multistage, with stratification of the Primary Sampling Units (PSU’S), grouping them according to similar socioeconomic characteristics; thus obtaining two large strata: 1) area with localities of 2,500 and more inhabitants and 2) area formed by localities with less than 2,500 inhabitants.

The field operation of the survey takes place from August 9th to November 16th, 1998. This period is divided in ten tens, in which of them the information is collected for seven consecutive days.

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