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Background: The purpose of this study was to analyze the association between the Geriatric Oral Health Assessment Index (GOHAI) and Quality of Life (QoL) between urban and rural residents in Koreausing data from the Korea Longitudinal Study of Aging (KLoSA). Methods: This study was analyzed using the SPSS 20.0 program (IBM SPSS Statistics), and a t-test was performed for difference between GOHAI and QoL, and a multiple regression analysis was used for association between the independent and dependent variables with confounding variables corrected. The statistical significance was p<0.05. Results: Urban residents’ average QoL was statistically significantly higher rural residents’(Table 1, p>0.05). For subjects under the age of 65, the QoL increased by 0.30 points for urban residents and 0.39 points for rural residents according to GOHAI increased by one unit (Table 2, p>0.05). Also, for subjects aged 65 years or older, the QoL increased by 0.42 points for urban residents and 0.61 points for rural residents according to the GOHAI, increasing by one unit (Table 3, p>0.05). Conclusion: Through the results of this study, the quality of life of rural residents was lower than that of urban residents. The GOHAI had a stronger impact on QoL among rural residents than in urban areas. In order to address the disparity in QoL between urban and rural residents, it was believed that policies aimed at improving oral health for rural residents should b etaken in to account.