Business strategy - this outlines the organizations goals and objective which influence the number of staff required. Job analysis - Third involves an examination of each job within the organization. It identifies the tasks, responsibilities, and working conditions of each job. Forecasting: This involves predicting future staffing needs based on current staffing levels, turnover rates and growth projections. I think business strategy is the most important because it sets the direction for the entire organization. it determines what the business wants to achieve and how to get there