This study aims to analyze the Impact of Knowledge, The Quality of Service, Census and a Tax Amnesty on Taxpayer Compliance. The subject of this study is the individual Taxpayer at Purworejo KPP. In this study there were 120 respondents selected using convenience sampling. The analysis tool uses multiple linear regression and SPSS programs. The results of this study indicate that the knowledge has a negative effect on taxpayer compliance, the quality of service has a negative effect on taxpayer compliance, census has a positive effect on taxpayer compliance and a tax amnesty has a positive effect on taxpayer compliance.