The report presents civil society assessment of the situation with the anti-corruption reform implementation in Ukraine, which is a continuation of the previous three reports for the period from 2013 to 2018. The present assessment was carried out partly by the same and partly by new experts, and it covers the period of 2019 and 2020, as well as some developments of 2021. The present Report was prepared on the basis of a specially developed methodology for compressive internal assessment of the country’s progress in the anti-corruption sphere that was first use for preparation of a similar report in 2015 in four areas: 1) anti corruption policy; 2) prevention of corruption; 3) criminalization of corruption and law enforcement activities; and 4) international cooperation. This publication offers not only an analysis of the situation, statistics and other information, but also specific conclusions and recommendations for legislators and law enforcement agencies. It will be useful for officers and official of the state authorities, local self-government bodies, civil society activities, journalists, researchers and others dealing with the problems related to prevention of corruption.