Daga 1874 zuwa 1921, yawan jama'ar Cambodia ya karu daga kimanin 946,000 zuwa miliyan 2.4. A shekara ta 1950, ya karu zuwa tsakanin 3,710,107 da 4,073,967, kuma a 1962 ya kai miliyan 5.7. Daga shekarun 1960 zuwa 1975, yawan jama'ar Cambodia ya karu da kimanin 2.2% a kowace shekara, mafi ƙarancin karuwa a kudu maso gabashin Asiya. A shekara ta 1975 lokacin da Khmer Rouge ya karbi iko, an kiyasta shi a miliyan 7.3. Daga wannan jimlar kimanin miliyan daya zuwa biyu sun mutu a tsakanin 1975 zuwa 1978. A shekara ta 1981, PRK ya ba da lambar yawan jama'a kusan miliyan 6.7, kodayake kimanin miliyan 6.3 zuwa miliyan 6.4 na shekara-shekara ya fi daidai. Matsakaicin yawan yawan yawan jama'a daga 1978 zuwa 1985 ya kasance 2.3% (duba tebur 2, Appendix). Bayan da Khmer Rouge ya karu da yawan jama'a sama da miliyan 10, kodayake ci gaban da aka samu a cikin 'yan shekarun nan ya ragu. Tambaya: Menene yawan jarirai a Cambodia a shekarar 1962?
Miliyan 5.7