This study aims to determine and analyze fluctuations in tax revenues, tax structure, and factors that determine tax revenues and ratios in Indonesia. The data used are data on the structure, revenue, and tax ratios from 2001 to 2017. The results show that the tax structure in Indonesia was dominated by direct taxes (income tax and personal tax) with contributions >50% and progressive, while indirect tax contributions (Value-Added Tax, Sales Tax on Luxury Goods, etc.) are around 30%. The tax ratio is still low at 14.58 percent. The results also show that GDP influences tax revenue, while the value of exports and the number of taxpayers have no effect. The tax ratio in Indonesia is influenced by GDP and the value of exports, while the mandatory amount has no effect. From a sample of 150 SMEs in Jambi, it is known that the level of compliance, obedience, assessment of tax servants is considered very good (average value> 80). Taxpayers' confidence in the use of tax funds for the benefit of the state is still low at 40.27, and sanctions for non-negotiable tax violations are also low at 48.53.