This research work examined ‘Whistleblowing as a tool for reducing corrupt practices in Nigeria’. The politicians and other public servants charged with corrupt practices and related offences constitute the study population from which the actual number of convicts were taken as sample which necessitated the choice of judgmental sampling technique. The studied period was 2016 to 2020. Secondary data covering 2016 to 2020 were sourced from the EFCC annual reports and other relevant official websites which necessitated the application of ex post facto research design. A combination of Multiple Least Square Regression and Software Package for Social Sciences (SPSS) version 23, as well as STATA Version 13 were utilized for statistical analysis and results.

The research findings demonstrate that utilizing a whistleblowing mechanism (WBWC) has a beneficial impact on lowering corruption levels in Nigeria. However, when whistleblowers’ protection (WBWP) are not adequately safeguarded, the system seems to have a contrary effect. Amount compensated to whistle blowers (WBWC) also reveals significant positive effect on reducing corrupt practices in Nigeria. The results of this study suggest that legislation should be passed to make whistleblowing policy officially recognized and active in Nigeria. Whistle blowers’ protection Act should be legislated and taken with utmost seriousness by both the legislature, judiciary and executive. Whistle blowers’ compensation should be one of the major priorities which must not be treated with levity if public confidence must be built and boosted by the authorized compensators.