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About Aflac

Aflac Incorporated is a supplemental insurance holding company whose operating businesses sell voluntary policies covering income and expense gaps that major medical, life, and disability plans leave uncovered. Its core products include cancer, medical, income-support, nursing-care, whole and term life, and dental and vision coverage, sold predominantly at the worksite through payroll deduction. The group reports through two dominant segments, Aflac Japan and Aflac U.S., with Japan historically the larger contributor to both premium income and pretax earnings owing to its deep third-sector franchise. A smaller corporate and other bucket houses investment activities and non-core ventures. Underwriting margin, rather than fee income, drives consolidated profit.

Holders track a defined set of structural questions. Because Japan generates the majority of earnings, the yen-dollar rate and Japanese long-duration interest rates materially affect reported results and hedging costs, and the investment portfolio's credit and alternatives exposure is scrutinized closely. Distribution economics in Japan hinge on the alliance with Japan Post and the broader agency channel, while U.S. growth depends on worksite broker relationships and enrollment platforms. Regulatory oversight by the Japanese Financial Services Agency and multiple U.S. state insurance departments constrains capital movement to the holding company. Aflac is an S&P 500 constituent with a long record of dividend increases and consistent buybacks, and governance discussion centers on capital deployment cadence and enterprise risk controls.

The company traces to 1955, when brothers John, Paul, and Bill Amos founded American Family Life Insurance Company of Columbus in Georgia, focusing on cancer-expense policies that were then a novel category. A pivotal expansion came in 1974 when the firm entered Japan, becoming the first foreign insurer licensed to sell cancer insurance there, a first-mover position that shaped the group for decades. The parent was renamed Aflac Incorporated in 1992, reflecting its long-running duck-branded marketing identity in the United States. Subsequent decades brought a strategic alliance with Japan Post, the 2018 conversion of the Japanese operation into a subsidiary, Aflac Life Insurance Japan, and periodic bolt-on acquisitions in U.S. dental, vision, and group benefits.

Mechanically, Aflac collects level premiums from policyholders, invests the accumulated reserves in a portfolio weighted toward investment-grade fixed income with allocations to structured credit and alternatives, and pays claims when covered events occur, earning the spread between underwriting results and investment yield. In Japan, distribution runs through Japan Post outlets, banks, corporate agencies, and independent agents selling to workers and retirees; in the United States, career and broker agents enroll employees at their workplaces, with premiums typically deducted from paychecks and portable across jobs. Competitive position rests on brand recognition, agency reach, and product breadth in the third sector, where it faces Dai-ichi, Tokio Marine, and MetLife abroad and Unum, Allstate, and Colonial Life domestically.

Company profile by LineVest editorial. Journalism, not investment advice. Commission a full SEC-based report on Aflac →