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     What is the data warehouse of the 2011 Population and housing census?

The data warehouse of the 15th Population and housing census contains a wealth of information, disaggregated to the sub municipal level, on the demographic and social structure of the population usually resident in Italy and on Italy’s housing stock. Upon completion of the data production process, additional information about other variables will be made available. The Census reference date is 9 October 2011.

     What does the data warehouse of the 2011 Population and housing census contain?

The information currently available is organized into topics:
1) Preliminary Results: provisional data disseminated on April 2012 about population, private households, dwellings and buildings;
2) Population de jure: final data on usual resident population by sex, age and citizenship (Italian or foreign);
3) Population: final demographic data on the population resident in Italy, in private or in institutional household. Data are divided into sub-themes relating to: resident population by citizenship, resident population by place of birth, characteristics of population in private household, population by previous place of usual residence. Demographic indicators and analyses of specific age groups are also provided;
4) Private Households: final data on size and type of private household, on the characteristics of family nuclei and couples. There are detailed data on households with at least one foreign resident (type of private household, single or shared occupancy and number of household members, type of family nucleus). Data on private households by conventional dwelling characteristics and goods and services are also provided;
5) Institutional Households (religious, welfare, care institutions etc.): final information on the number of institutional households with at least one resident person;
6) Dwellings and buildings: final data on conventional and other housing units occupied by residents, on the characteristics of conventional dwellings occupied by residents. Final data on type of use and of utilization of buildings and buildings complex are also provided;
7) Education and training: final data on the educational attainment of resident population;
8) Current activity status: final data on some economic characteristics of resident population aged 15 years and over;
9) Characteristics of occupation: final data on occupation, on industry (branch of economic activity), on status in employment, on time usually worked, on type of occupation (full time/part-time), on employment contract (fixed-term/permanent contract);
10) Commuting: final data on commuting for studying or working by location of place of work, school or university, reason for commuting, mode of transport and time taken. For those who don’t commute daily, data on the reason why they do not go to the usual place of work or study are provided;
11) Time series: allow to compare the 2011 data with those from the four previous population censuses with respect to a number of variables divided into the following areas: Resident Population, Households and Housing.

     How does the data warehouse of the 2011 Population and housing census work?

The system is based on OECD data warehouse technology (Dot.Stat), a software and statistical service platform adopted by Istat. Access to the system is open and free of charge. Data are presented in multidimensional tables; users can create customised tables and graphs acting on variables, reference periods and the arrangement of headers and margins. A wide range of metadata makes it easier for users to find and understand the statistics.

     How often is the data warehouse of the 2011 population census upgraded?

The data warehouse is constantly updated and the amount of data available will be increased in the coming months with information on all other variables measured by the census (type of institutional household, buildings characteristics, vocational training, certificate or degree obtained, etc.). More information is available on the Census web page.


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