The number of personnel required for various positions throughout the enterprise gets affected by following points:
(a) Finding out the total amount of works to be done and then dividing it into different sets of activities.
(b) The total number of tasks and jobs required to be accomplished under different activities.
(c) How much work can the average person do in a specified period of time?
(d) Level of absenteeism expected.
(e) Level of labour turnover.
(f) The present number of employees.
(g) The future plans for expansions, diversification and growth.