Data Efficiency refers to efficiency of the many processes that can be applied to data such as storage, access, filtering, sharing, etc., and whether or not the processes lead to the desired outcome within resource constraints. Data Efficiency refers to efficiency of the many processes that can be applied to data such as storage, access, filtering, sharing, etc., and whether or not the processes lead to the desired outcome within resource constraints. A management definition of Data Efficiency would be the measure of how data storage and usage across an enterprise or within a department or within a project - impacts the organization’s costs and revenues.