Lincoln National Corporation is a holding company, which operates multiple insurance and retirement businesses through subsidiary companies. The Company operates through four segments, which include Annuities, Life Insurance, Group Protection and Retirement Plan Services. The Annuities segment provides tax-deferred investment growth and lifetime wealth accumulation and protection opportunities for its clients by offering variable annuities, fixed including indexed annuities and registered index-linked annuities (RILA). The Life Insurance segment provides life insurance products, including term insurance, universal life insurance (IUL) and variable universal life insurance (VUL) products, linked-benefit products, and critical illness and long-term care riders. The Group Protection segment offers group non-medical insurance products and services, including short- and long-term disability, statutory disability and paid family medical leave administration.