Rein Taagepera (1979)۔ "Size and Duration of Empires: Growth-Decline Curves, 600 B.C. to 600 A.D"۔ Social Science History۔ Duke University Press۔ 3 (3/4): 125۔ JSTOR1170959۔ doi:10.2307/1170959
jstor.org
Rein Taagepera (1979)۔ "Size and Duration of Empires: Growth-Decline Curves, 600 B.C. to 600 A.D"۔ Social Science History۔ Duke University Press۔ 3 (3/4): 125۔ JSTOR1170959۔ doi:10.2307/1170959
unrv.com
There are several different estimates for the Roman Empire. Scheidel (2006, p. 2) estimates 60. Goldsmith (1984, p. 263) estimates 55. Beloch (1886, p. 507) estimates 54. Maddison (2006, p. 51, 120) estimates 48. Roman Empire Population estimates 65 (while mentioning several other estimates between 55 and 120).