The goal was said to have determine the mobilization capacity of military force and workers to deal with Korean invasions (Bunroku and Keicho battles) by Hideyoshi and it also contributed to the separation of warriors and farmers.
目的は秀吉の朝鮮出兵(文禄・慶長の役)のための兵力把握や人夫の動員可能数の把握と言われているが、結果として兵農分離の一因ともなった。