Abu Dhabi will launch its Census 2011 on Tuesday, with preliminary results due to be released in December. Yesterday, the enumerators of Statistics Centre — Abu Dhabi (SCAD) started a three-day preparation for the national project, which is regarded as the largest project to count the population of the emirate. "Six thousand enumerators, controllers and administrators have delivered envelopes containing census questions, spaces to answer and how to complete the questionnaire, to the doors of residential units such as villas, apartments, etc. "The distribution process will continue till Monday as the enumerators will start their fieldwork and interview households for the actual data collection next Tuesday," SCAD said in a statement. SCAD said enumerators would be interested in "obtaining basic information about the people such as: age, gender, nationality, educational qualification, marital status, economic activity and other information that would provide the most comprehensive, accurate and updated database about the people in all regions of Abu Dhabi emirate." SCAD plans to announce the preliminary results of the Abu Dhabi Census 2011 on December 25 and release the final results by the end of May 2012.