Aflac Incorporated, through its subsidiaries, provides supplemental health and life insurance products. It operates in two segments, Aflac Japan and Aflac U. S.

The Aflac Japan segment offers cancer, medical, nursing care, work leave, GIFT, and whole and term life insurance products, as well as WAYS and child endowment plans under saving type insurance products in Japan. The Aflac U. S. segment provides cancer, accident, short-term disability, critical illness, hospital indemnity, dental, vision, long-term care and disability, and term and whole life insurance products in the United States.

It sells its products through sales associates, brokers, independent corporate agencies, individual agencies, and affiliated corporate agencies.