The Office of Chief Government Statistician Zanzibar (OCGS) was established under the Statistics Act no 9 of 1999 and its review in 2007 with the responsibility of development and management of official statistics and is the authoritative source and custodian of official statistics in Zanzibar
The Tanzania Statistical Master Plan (TSMP) The Government of Tanzania has been implementing structural and institutional reforms which aim at improving socio-economic development. Ministries, Departments and Agencies (MDAs), Local Authorities and other stakeholders implement interventions as outlined in national development frameworks in order to improve livelihood of the people. In order to measure performance and results of such interventions, quality statistics are required by all stakeholders involved in all sectors in the development process. Furthermore, reliable statistics are required for planning, budgeting and reporting the outcome of the interventions that aims at reducing poverty and improving welfare of the people. Reliable statistics are also necessary for informed decision making at various levels