통계청의 자료에 따르면, 주요 사망 원인은 2015년 암이었으며, 심장 질환과 뇌혈관 질환이 각각 2, 3위를 차지했다.
According to data from Statistics Korea, the leading cause of death was cancer in 2015, with the second and third ranks occupied by heart disease and cerebrovascular disease, respectively.