Personal information analysis system and personal information analysis method

A personal information analysis method implemented by a personal information analysis system having a processor and a memory comprising:

• an analysis execution process of, in response to a request for an analysis on a predetermined subject utilizing pieces of personal information, generating a first analysis result based on a plurality of pieces of personal information associated with an item necessary for performing the analysis, and anonymizing the plurality of pieces of personal information and generating a second analysis result for the request for the analysis based on the anonymized pieces of information;
• and
• an analysis result evaluation process of generating information on a difference between the generated first analysis result and the generated second analysis result.