Objectives: The purpose of this study was to determine the level of digital informatization, e-health literacy, and technological self-efficacy among older adults aged 65 and older, and to identify factors that influence their level of digital informatization. Methods: The study included 150 people aged 65 and older. Data were analyzed using t-test, ANOVA, Pearson’s correlation and hierarchical regression analysis with SPSS statistics 27.0 program. Results: The results of the study showed that the level of digital informatization was significantly and positively correlated with e-health literacy and technologi- cal self-efficacy. In terms of factors affecting their level of digital informatization, technological self-efficacy, e-health literacy, and gender were found to be significant influencers, with a total explanatory power of 63.9%. Conclusions: To increase the level of digital informatization among older adults, fur- ther research is needed to develop and implement programs that include content to strengthen e-health literacy and technological self-efficacy, and to validate their effectiveness.