This report is part of the OECD Tax Policy Reviews publication series. The Reviews are intended to provide independent, comprehensive and comparative assessments of OECD member and non-member countries’ tax systems as well as concrete recommendations for tax policy reform. By identifying tailored tax policy reform options, the objective of the Reviews is to enhance the design of existing tax policies and to support the adoption of new reforms. This report provides an assessment of Kazakhstan's tax system and recommendations for tax reform. Chapter 1 gives an overview of the main findings and Chapter 2 sets the scene for tax reform. Chapter 3 considers tax revenue trends and analysis of the tax mix. Chapter 4 examines equity issues in Kazakhstan and provides recommendations on the personal income tax, social security contributions and value added taxes. Chapter 5 focuses on tax competitiveness issues and provides recommendations on how to strengthen the design of both the corporate income tax and special tax regimes for SMEs.