Under the patronage of Khalid bin Mohammed Al-Qusaibi, the Minister of Economy and Planning, the Central Department of Statistics & Information (CDSI) will launch tomorrow the actual commencement of population and housing census in the Kingdom of Saudi Arabia. The CDSI has extended invitations to the GCC Secretariat-General, heads of Statistical Organs in the member countries of the Gulf Cooperation Council (GCC), the Arab League and some concerned international authorities to attend the launching ceremony, which will include the speech of the Minister of Economy and Planning.