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Italian Population and Housing Censuses: Address Lists and House Number Archive

This presentation discusses the experience with address lists and the house number archive as an information infrastructure for Italian population and housing censuses. It explores the strategic innovations and goals of the census, as well as the methods and technological tools used for constructing a database of street lists integrated with house numbers. The presentation also provides examples and data related to the enumeration areas and house numbers.

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Italian Population and Housing Censuses: Address Lists and House Number Archive

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  1. 15° Italian Population and housing censuses Geneve, may 25 2012 Experience with address lists and other preliminary work: the house number archive, an information infrastructure for the country Francesco Di Pede - Damiano Abbatini ISTAT Dipartimento dei censimenti generali degli archivi amministrativi e dei registri statistici

  2. 15° Italian Population and Housing Censuses. Main strategic innovations: • Municipality Population Register (LAC – Liste Anagrafiche Comunali) used to organize and control the field work (mail out of questionnaires and check list of respondents); • Supplementary lists of Auxiliary Sources (LIFA – Liste Integrative da Fonti Ausiliarie; RNC – Rilevazione dei numeri civici) used to control undercoverage of LACs; • Short Form for asample of households; • Multi-Way Responses (Internet, postal carrier, hand-delivery). • In this context of technical and organizational innovations, addresses and housenumbers are instruments of great importance, as indispensable for the accurate localization of statistical units.

  3. 15° Italian Population and Housing Censuses • A strategic goal of the Census has been the creation of the municipal archives of addresses (house numbers) geocoded to the census enumeration areas, used to: • Geocode the municipality population registersLAC; • Guidethe enumerators in the field work; • Retrievethe undercoverage of registersandnon-response of households; • Undertake census of buildings.

  4. 15° Italian Population and Housing Censuses • In the new 2010-2011 census strategy, Istat has developed and tested methods and technological tools for the construction of a database of street list integrated with house numbers geocoded to enumeration areas, by the use of different sources. This strategy provides differentiated arrangements for the acquisition and processing of data, depending on the different demographic classes of the municipalities. • GeoCiv: Experimentation on municipal address indexes to build-up municipal street indexes and address indexes for RNC (urban areas of main cities); • RNC:House number survey (urban areas of main cities); • ANSC: Street indexes and address indexes national archives(other areas of main cities and other municipalities).

  5. GeoCiv Project

  6. RNC

  7. ANSC

  8. PORTALE PER I COMUNI Frameworkoftheactivities 2009/2010ANSCProject 2006 Feasibility study 2007 Presence Municipal Archives survey 2008 GeoCiv project definition 2007 Testing of pilot areas 2009/2010 GeoCiv project implementation RNC 2010/2011 House number survey (RNC)

  9. RNC: field work tools data source • Updated aerial photos of the  territory • 2011 Enumeration Area’s boundaries • Graph maps of commercial source • ADT Cadastral mapping of buildings • GeoCivhousenumbersarchive

  10. B A RNC: buildings-addresses relationship residential not-residential C C residential residential C residential Via Monte Rosa

  11. RNC: buildings enumeration Identification of missing buildings in cadastral mapping • Buildings 1 to 2 - 3 - 4 have been reported in the database by address 3 4 2 1

  12. Via del Bracco Via della Consuma F G I J N L 2 1 D H B M A Via del Bracco E K Via Cadibona O House numbers from municipal archive House number from survey RNC: enumeration area

  13. Via del Bracco Summary data for enumeration area Via della Consuma F G I J N L 2 1 D H B M Via del Bracco A E K Via Cadibona O

  14. Summary data for house number Via Cadibona 6 Via Afonsine E Viale Sempione beyond enumeration area: summary data by house number

  15. 349 346 347 Via del Bracco Via Colfiorito Via Futa Via Futa 350 Via della Consuma 348 357 A D E A C N I G D 2 D H Via Afonsine Via del Bracco M Via B E K Cadibona E O A 354 356 29 Viale Sempione Viale Sempione Datarelatedtothewholestreet Cadibona Street crosses 7 enumeration areas HousenumberswithaccessonbothsidesofCadibonaStreetandrelatedbuildings Building on Cadibona Street missing in the cadastral map beyondenumerationa area: summary data by street circulation area

  16. Summary data by Street

  17. thanksforyourattention emailcontactsformoredetailedinformation and documentation: Francesco Di Pede: dipede@istat.it Damiano Abbatini: abbatini@istat.it ISTAT Dipartimento dei censimenti generali degli archivi amministrativi e dei registri statistici

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