The state and local governments collected about $220 billion in tax revenue in 2015‑16—equal to nearly 10 percent of the California economy. The personal income tax is the state's main revenue source, the property tax is the major local tax, and the state and local governments both receive revenue from the sales and use tax. In addition, many smaller taxes raise revenue for state and local government operations. This visual guide explains California's tax system using over 40 data visualizations. The report examines various characteristics of the tax system including what items are taxed, who pays the taxes, and how taxes are used.