Waxaa laga yaabaa in ay ku dhacdo in dad badan oo ku nool Cambodia ay ku dhinteen Khmer Rouge. Ka dibna ka jawaab su'aasha ka dib luqad la mid ah sida marinka: Passage: Inta u dhaxaysa 1874 iyo 1921, dadka guud ee Cambodia kor u kacay qiyaastii 946,000 ilaa 2.4 million. By 1950, waxa uu kor u kacay inta u dhaxaysa 3,710,107 iyo 4,073,967, iyo 1962 waxa uu gaadhay 5.7 million. Laga soo bilaabo 1960 ilaa 1975, dadka reer Cambodia kordhay qiyaastii 2.2% sannadkii, kororka ugu hooseeya ee Koonfur Bari Aasiya. By 1975 markii Khmer Rouge ayaa xukunka qabtay, waxaa lagu qiyaasay 7.3 million. Of this total qiyaastii hal ilaa laba milyan ku dhintay ayaa lagu soo waramayaa inta u dhaxaysa 1975 iyo 1978. In 1981, PRK siiyey tirada rasmiga ah ee dadweynaha ku dhowaad 6.7 million, inkastoo qiyaastii 6.3 million ilaa 6.4 million sannadkii waa u badan tahay sax ah. celceliska heerka koritaanka dadka 1978 ilaa 1985 ahaa 2.3% (eeg lifaaqa 2, lifaaqa A
5.7 milyan oo