The objective of this research work is to assess the extent of relationship between tax revenue and HDI if any. The problem here which calls for attention is a disturbing increasing rate of poverty, unemployment, illiteracy, poor sanitary conditions as well as general decadence in the living standard of the Nigerian citizens, despite consistent increase in tax revenue. The gap to be filled by this study which provides deviation from existing studies is reflected in the use of total federally

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... lected tax revenue as against components used by existing research works. The study made use of ex post facto research design while STATA 17 analysis software was deployed to analyze time series data for the period 2000-2020. The result of ordinary least squares (OLS) regression analysis of 0.9441 or 94.41% reveals that the tax revenue has a positive but insignificant effect on HDI. It can therefore be deduced that increasing tax revenue has a minimal impact on HDI. This suggests that the tax revenue might not have had direct significant impact on life expectancy, access to education and the people's standard of living. It is recommended therefore that the government will put a strategy in place that will not only increase tax compliance, but ensure application of tax revenue to human development.