The KHP provides not only information on health care utilization and expenditures, but also various factors affecting health care use such as socioeconomic characteristics, comorbidities, and health behaviors. This report includes descriptive statistics on comorbidities, healthcare utilization and expenditures, patient experiences, unmet health care needs, and health behaviors of 11,528 individuals from 5,427 households in 2023. This report provides empirical evidence to better understand healthcare utilization and expenditures of Korean population.