This standard1) provides guidance for suitable procedures to develop estimates and forecasts of human population distribution around commercial and government-owned nuclear facility sites. This standard is intended to provide civilian and government professionals with methodologies that are generally acceptable in the demographic community and to facilitate the regulatory authority review of site suitability relative to population considerations. Methodologies will be ranked@ as appropriate@ with consideration to situation and location. Purpose This standard provides guidance for suitable procedures to develop estimates and forecasts of human population distribution around privately owned and government-owned nuclear sites that comply with regulatory requirements such as 10 CFR 50 [1]2)@ 10 CFR 51 [2]@ 10 CFR 100 [3]@ 10 CFR 830 [4]@ and 10 CFR 1021 [5].