To provide a layout system suitable to implement layout with a high individuality. Layout result data of automatic layout processing is acquired as comparison destination layout result data. Business-type information, identical to business-type information corresponding to an input user ID, is retrieved from a user information registration database to read out a user ID corresponding to the associated business-type information. Comparison source layout result data, corresponding to the read-out user ID, is read out from layout result data registration database. Next, similarity between the comparison destination layout result data and the comparison source layout result data is calculated, and the comparison destination layout result data is corrected so that the degree of correction of the comparison destination layout result data increases as the calculated similarity increases.