Glossary term
Commissioners Standard Ordinary (CSO) Table
A Commissioners Standard Ordinary table is a mortality table used in life insurance valuation, reserves, and policy calculations.
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What Is a Commissioners Standard Ordinary Table?
A Commissioners Standard Ordinary table, or CSO table, is a mortality table used in life insurance regulation and valuation. It provides standardized mortality assumptions that can be used for reserves, nonforfeiture values, and other life insurance calculations.
The table does not predict the lifespan of one insured person. It gives insurers and regulators a common mortality framework for valuing ordinary life insurance obligations.
Key Takeaways
- CSO tables are mortality tables used in life insurance valuation.
- They support reserve, nonforfeiture, and policy calculation rules.
- Different CSO versions can apply depending on policy issue dates and regulatory requirements.
- The table is an industry and regulatory tool, not a personal life expectancy forecast.
Where the Table Is Used
Life insurance contracts create long-term promises. Insurers need mortality assumptions to estimate future claims and hold appropriate reserves. Regulators use standardized tables to make those calculations more consistent across companies.
Use | Why the CSO Table Matters |
|---|---|
Policy reserves | Helps determine required funds for future life insurance obligations. |
Nonforfeiture values | Supports minimum values available if certain policies lapse or are surrendered. |
Pricing and testing | Provides a mortality framework for actuarial calculations. |
Regulatory consistency | Creates common assumptions across insurers and jurisdictions. |
Versions and Updates
CSO tables have been updated over time as mortality experience, products, and regulatory methods changed. A policy may be tied to the table version in effect under applicable law when the policy was issued or valued.
That means the term can appear in policy illustrations, actuarial memoranda, reserve discussions, and state insurance regulation. Consumers may see the table referenced in technical policy materials, but it usually works behind the scenes.
Consumer Context
CSO assumptions can affect policy values, guarantees, reserves, and the cost structure of some life insurance products. They are not a substitute for reviewing premium obligations, death benefits, cash value, surrender charges, loan terms, or policy guarantees.
The Bottom Line
A CSO table is a standardized mortality framework for life insurance. It helps insurers and regulators value long-term promises, but it should not be read as a personal lifespan estimate.