Luxembourg, 13 October 2008 ITDG Giuseppe Sindoni, Istat, Italy 2011 Census innovations, the 2009 pilot Census and some technological implications

Luxembourg, 13 October 2008 ITDG What innovations for the 2011 Population Census? Use of street numbers in field operations Business and household geocoding to the census tract Use of registries New questionnaire delivery process Personalised questionnaires Mail out New methods and survey techniques Census areas Short and long form Multi-channel collection Flexible organisation network Downsized municipal front-office => Stronger back-office Differentiation based on population Enumerator guidance

Luxembourg, 13 October 2008 ITDG The 2009 pilot Census TARGET POPULATION Resident population and dwellings About families sample municipalities DATE Spring 2009 – Proposed date: 24 May

Luxembourg, 13 October 2008 ITDG Process flow for building street number archives Municipal address archive Poste Italiane Comparison Normalisation Street graph Census tracts Geocoding Georeferencing Address DB ISTAT

Luxembourg, 13 October 2008 ITDG Use of registries (only heads of family?) Requires use of data exchange technologies between data providers and Istat Technological, format and content standards will be defined (web services? XML? record formats, etc.) Goal: maximise process efficiency in line with IT infrastructures of involved organisations Utmost attention to legal issues regarding privacy and security in data management NameSurnameTax code SexBirth date Birth place Citizen ship # family compone nts... Civil state Registration date Census tract Address

Luxembourg, 13 October 2008 ITDG New questionnaire delivery process Printing personalised questionnaires Privacy and data security issues Questionnaire identification Questionnaire mail delivery and management of failed deliveries Requires synchronisation between mailing company and census network monitoring systems The census monitoring system becomes a Distributed information exchange system

Luxembourg, 13 October 2008 ITDG New survey methods and techniques: multi-channel collection Web collection has strong technological implications Optimise load and performances Off-line compilation Security and consistency checks Synchronisation with monitoring system Multi-channel collection involves Improved complexity of the monitoring system: Tracking collection from the various channels Checking collection inconsistency and coverage System writing privileges for numerous contributors (Istat, municipalities, service providers, etc.)

Luxembourg, 13 October 2008 ITDG New survey methods and techniques: systematic targeted collection Impact on front and back-office technologies Enumerators are “guided” daily from the back-office, on the basis of information available from the monitoring system Use of street number list Assigning new questionnaire IDs Daily update of the monitoring system with information on targeted collection activities Data input on the web data collection system

Luxembourg, 13 October 2008 ITDG Organisation network flexibility : downsized municipal front-office => stronger back-office Thanks to the use of pre-census archives and geocoded street numbers Essential to have all necessary information to plan daily enumerator activity The monitoring system, acting as an ICT system among those involved, becomes the main component of the census machine

Luxembourg, 13 October 2008 ITDG The monitoring system Will offer the census network all necessary services: “Real-time” summary tables based on incoming information flow Easy to access and useable update functions Main issues Need for thorough and complete respect of data privacy rules in exchanging information Need to guarantee accessibility and good performance to users from more than offices Need to guarantee communication with municipal systems