South Korea's Medical Radiation Examinations Exceed 430 Million Annually, with CT Scans Accounting for 67.1% of Radiation Dose
According to the "2025 National Medical Radiation Assessment Yearbook" released by the Korea Disease Control and Prevention Agency on August 28, South Koreans underwent a total of 431.59 million medical radiation examinations last year, averaging 8.4 examinations per person. Over the past five years, the number of medical radiation examinations in South Korea has continued to rise, with last year's figure increasing by 4.6% year-on-year and 29.6% compared to 2021. The report shows that the collective radiation dose from medical radiation examinations in South Korea increased from 136,804.73 person-sieverts in 2021 to 167,659.18 person-sieverts last year, an increase of 22.6%. On a per capita basis, the radiation dose rose from 2.64 millisieverts to 3.24 millisieverts. The Korea Disease Control and Prevention Agency stated that with advances in medical technology, an aging population, and growing demand for health checkups, the use of medical radiation examinations in public healthcare services continues to expand.
2026-08-28