The 2012 Statistical Abstract brings together statistical information relating to various social economic sectors. The information presented is also available in greater detail in other relevant Bureau's publications. For a comprehensive list of these publications, the user should consult the document titled "Guide to Official Statistics in Tanzania”. This publication also includes a selection of data from many statistical publications of other government, private and parastatal institutions. Publications cited as sources usually contain additional statistical detail and more comprehensive discussions of definitions and concepts. More information on the subjects covered in the tables may generally be obtained from the main source.