There are a wide range of methods for estimating workforce requirements, and the approaches used will very much depend on the size and nature of your division and department.
Mae amrywiaeth eang o ddulliau ar gyfer amcangyfrif y gofynion o ran y gweithlu, a bydd y dulliau a ddefnyddir yn dibynnu'n fawr ar faint a natur eich is-adran a'ch adran.