Hello? The government is promoting a policy to open public data that enables public data, such as central government agencies, local governments, and public institutions, to be used by all public sectors. In addition, we are expanding various supports to make 'youth job' using public data in the private sector and to make the life of the people convenient. This survey is for people to want to know the public data and identify data that can be versatile like real life, industry, primarily open, The 25 items of preference survey were selected as candidates by analyzing national government tasks, opening policies of each department , requesting data through public data portal, surveying utility demand , and using public data from overseas major countries . As long as your answers determine the direction of future public data releases , we ask for your active participation .