▁statistics ▁themselves ▁as ▁it ▁allows ▁research ers ▁to ▁determine ▁not ▁only ▁what ▁was ▁being ▁counted ▁but ▁how ▁and ▁why ▁it ▁was ▁done . ▁ ▁Met adata ▁Modern ▁population ▁statistics ▁are ▁normally ▁accompanied ▁by ▁metadata ▁that ▁explains ▁how ▁the ▁statistics ▁have ▁been ▁compiled ▁and ▁adjust ed ▁to ▁compens ate ▁for ▁any ▁collection ▁issues . ▁ ▁Statist ical ▁sources ▁Most ▁countries ▁have ▁a ▁census ▁b ureau ▁or ▁government ▁ag ency ▁responsible ▁for ▁conduct ing ▁cens uses . ▁Many ▁of ▁these ▁ag encies ▁publish ▁their ▁country ' s ▁census ▁results ▁and ▁other ▁population ▁statistics ▁on ▁their ▁ag ency ' s ▁website . ▁ ▁See ▁also ▁ ▁Dem ographic ▁window ▁Census ▁- ▁Census ▁Bureau , ▁Census ▁tract , ▁Census ▁block ▁group , ▁Census ▁block . ▁Inter c ens al ▁estimate ▁Population ▁projection ▁ ▁External ▁links ▁Com pre h ensive ▁global ▁statistics <0x0A> </s> ▁L ary ▁ 7 , ▁a ka . ▁L 7 ▁is ▁an ▁American ▁artist , ▁sound - art ist , ▁music ian ▁and ▁film maker ▁based ▁in ▁New ▁York ▁City . ▁He ▁is ▁subject ▁of ▁a ▁document ary ▁by ▁film maker ▁Daniel le ▁de ▁Pic ci otto ▁called ▁Not ▁J unk ▁Yet ▁- ▁The ▁Art ▁Of ▁L ary ▁ 7 . ▁The ▁film ▁includes ▁inter views ▁with ▁Tony ▁Con rad , ▁Jar bo e , ▁L yd ia ▁L unch , ▁Jim i ▁Ten or , ▁Matthew ▁Bar ney , ▁J G ▁Th irl well ▁and ▁others ▁including ▁L ary , ▁along ▁with ▁arch ival ▁foot age , ▁images ▁and ▁performances . ▁De ▁Pic