Each generation has different characteristics and viewpoints related to the perception of a tax audit. Therefore, tax audits not always useful as a scarecrow for taxpayers. The purpose of this study was to compare the perception of tax audits between three generations, Millennials, X, and Baby Boomers. The perception of tax audit measures with three indicators, namely audit probability, audit procedures, and auditor behavior. Our study also examined the different perception of voluntary tax compliance between generations. The method used was a survey in 2019 to four big cities of Jakarta, Surabaya, Semarang, and Denpasar. Our sample was 113 individual taxpayers who had been received tax summons and interacted with tax officers regarding the tax liabilities. The analysis technique used Custom Factorial ANOVA and using SPSS software. We found that Millennials and X had different perceptions of tax audits regarding audit probability, audit procedures, and auditors behavior compare to Baby Boomers. We also found the three generations showed different levels of voluntary tax compliance.