The influence of the Mongol invasion on the territories was uneven. Colin McEvedy estimates the population dropped from 7.5 million prior to the invasion to seven million afterwards.Colin McEvedy, Atlas of World Population History (1978) Centres such as Kiev took centuries to rebuild and recover from the devastation of the initial attack. The Novgorod Republic continued to prosper, and a new entity, the Principality of Moscow, began to flourish under the Mongols.
THe influence oF The mongoL iNvASion On the TerRiTorIEs wAs UNEVen. COLin mceveDY estImAtes THE poPuLaTioN drOpped fROm 7.5 mIlLiON PrIOR to The InvasiOn to seVEn milliON aFterWards.coLin Mcevedy, atlas oF world pOpulation history (1978) ceNTres suCh aS KieV toOK CenTUries TO REbuiLD anD RecoVer From the devastatiOn oF THe InitiaL atTACk. thE NovGorod rePuBLIc ContInued To pRosPEr, and a NEw entiTY, the PRincipality Of moscOw, BEGAn to Flourish uNdEr thE mOngOlS.