This study was a survey of awareness and attitudes about genetically modified foods and their labeling regulations. Questionnaires were distributed to 4,620 consumers who lived in different areas of Korea, and 4,076 people responded. The consumers were asked about knowledge, labeling information, and their sources of information about GM foods. Respondents from Seoul, Jeonnam, and Gyeongnam answered mostly don't know > > never know > know a Respondents from Gyeonggi answered moderate > nearly don't know > never know > know a According to occupation, housewives, company employees, consultants, and students answered mostly don't know > > never know > know a little. Consumers answered about the intent to buy GM foods differently according to area, occupation, and education. Seoul and Gyeonggi residents said that reinforcing factors to relieve the insecurity of GM foods were evaluating safety > management of GM foods by the government > GM food regulation system. There were other answers according to area, occupation, and education. About GM-related methods that they wished to have, residents of the Seoul area said books/leaflets most often, but residents of the Gyounggi area said attending a lecture most often. Housewives also said attending a lecture, but teachers and students said Internetbased education most often. About the kinds of that they could join, Seoul residents answered consumer > school parents > institutions, but Gyeonggi and Chungnam area residents answered public > > school parents. Housewives and students answered consumer groups most often, but consultants and private business owners answered public institutions most often. We realized that different methods were necessary for different areas, occupations, and levels.