For that indicator, The World Bank provides data for Tanzania from 2009 to 2018. The average value for Tanzania during that period was 10.91 percent with a minumum of 9.79 percent in 2011 and a maximum of 11.83 percent in 2017.
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use the country comparator to compare trends over time.
Definition: Tax revenue refers to compulsory transfers to the central government for public purposes. Certain compulsory transfers such as fines, penalties, and most social security contributions are excluded. Refunds and corrections of erroneously collected tax revenue are treated as negative revenue.