National Statistics Institute

Products and services / Information / Microdata files

Population and housing censuses
1991 Censuses	File format	File size
Questionnaires (In Spanish)	HTML	4 Kb
General Methodology	PDF	266 Kb
Persons
Register design, valid values and specifications of the samples	ASCII ZIP file	667 Kb
Microdata file (sample 2%)	ASCII ZIP file	11.262 Kb
Microdata files (sample 10%):	ASCII ZIP file	variable according to the year
Housing
Register design, valid values and specifications of the samples	ASCII ZIP file	417 Kb
Microdata file (sample 2%)	ASCII ZIP file	2.621 Kb
Microdata files (sample 10%):	ASCII ZIP file	variable according to the year
Households
Register design, valid values and specifications of the samples	PDF ZIP file	7.899 Kb
Microdata file (sample 1%)	ASCII ZIP file	15.571 Kb
Microdata files (sample 5%):	ASCII ZIP file	variable according to the year

Further information in INEbase
2001 Censuses	File format	File size
Questionnaires	HTML	8 Kb
General Methodology	HTML	10 Kb
Relation of municipalities and codes by provinces	HTML
Persons and households
Diferences between provincial and national files
National files
Register design and valid variable values	EXCEL ZIP file	59 Kb
Microdata files: Nota On 5 May 2011, the INE discovered that the length of each record in the files comprising part of the national microdata generated with regard to the Population and Housing Censuses for 2001 was not uniform in all of the files, and therefore, it has been decided to generate new microdata to replace the previous microdata.	ASCII ZIP file	variable according to the year
Provincial files
Register design and valid variable values	EXCEL ZIP file	66 Kb
Microdata files:	ASCII ZIP file	variable according to the year
Housing and buildings
Register design and valid variable values	EXCEL ZIP file	17 Kb
Microdata files:	ASCII ZIP file	variable according to the year

Further information in INEbase