This document outlines Pakistan's revenue sharing formulas under the National Finance Commission (NFC) awards from 1951 to 2009. It shows the taxes included in the divisible pool, the allocation of pre-assigned shares and collected taxes between the federal and provincial governments, and the weighting criteria used such as population, backwardness, revenue generation, and population density. The criteria and allocations have changed over time, with more recent awards allocating a higher percentage based on population and including backwardness as a criterion.