However, the details of survey at the time of land-tax reform were not necessarily accurate; it was because the survey technique used was primitive, people who were not the specialists for survey engaged in the task owning to the constraints of time and human resources, and there existed people who deliberately underestimated their land to deduce tax.
しかしながら、地租改正当時の測量技術が未熟であったこと、時間と人員の制約から測量の専門家でない素人が測量にあたったこと、また税の軽減を図るために故意に過小に測量したことなどから、その内容は必ずしも正確なものではなかった。