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Aflac Incorporated 2025 Form 10-K

EXHIBIT 23

Consent of Independent Registered Public Accounting Firm

We consent to the incorporation by reference in the registration statements (No. 333-281977, 333-271561, and 333-273722) on Form S-3 and (No. 333-115105, 333-135327, 333-158969, 333-161269, 333-202781, 333-219888, 333-245702, and 333-293458) on Form S-8; of our reports dated February 25, 2026, with respect to the consolidated financial statements of Aflac Incorporated and the effectiveness of internal control over financial reporting.

/s/ KPMG LLP

Atlanta, Georgia

February 25, 2026