Glossary term
2017 CSO Mortality Table
The 2017 CSO Mortality Table is a life-insurance mortality table used in policy reserves, nonforfeiture values, and product pricing assumptions.
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What Is the 2017 CSO Mortality Table?
The 2017 CSO Mortality Table is a Commissioners Standard Ordinary mortality table used in U.S. life insurance. It gives insurers standardized mortality assumptions for life-insurance calculations such as reserves, nonforfeiture values, and certain policy-pricing work.
CSO tables do not predict exactly when any one person will die. They provide a regulatory and actuarial framework for estimating mortality across groups of insured lives. The 2017 table replaced older CSO assumptions as life expectancy, underwriting, and insured-population experience changed over time.
Key Takeaways
- The 2017 CSO table is used in life-insurance regulation and actuarial calculations.
- CSO stands for Commissioners Standard Ordinary.
- The table helps standardize mortality assumptions for reserves and policy values.
- It reflects insured-life mortality experience rather than general population mortality alone.
- Consumers usually encounter it indirectly through life-insurance pricing, cash values, and policy illustrations.
How the Table Is Used
Life insurers use mortality tables to estimate future claims and the cost of promised benefits. Regulators also need common assumptions so insurers do not understate obligations. A CSO table gives a standardized baseline for those calculations, while company-specific underwriting and product design can still affect actual pricing.
The table matters most behind the scenes. A policyholder is unlikely to choose a policy because of a CSO table, but the assumptions can influence premiums, reserve requirements, and the economics of guaranteed life-insurance contracts.
Where It Shows Up in Life Insurance
Use | Practical role |
|---|---|
Policy reserves | Helps determine how much an insurer must hold for future obligations. |
Nonforfeiture values | Supports minimum values when certain permanent policies lapse or are surrendered. |
Product design | Provides mortality assumptions used in pricing and guarantees. |
Regulatory review | Creates a common baseline for insurer solvency oversight. |
What Policyholders Should Understand
The 2017 CSO table is not a consumer quote sheet. It does not tell a buyer whether a policy is fairly priced, whether a permanent policy is appropriate, or whether one insurer is better than another. It is one input in a larger insurance system that includes underwriting class, age, health, product expenses, interest-rate assumptions, guarantees, and company pricing.
For consumers, the practical takeaway is that life-insurance guarantees are built on actuarial assumptions and regulatory standards. Those assumptions affect the structure of the policy even when the table itself never appears in the sales conversation.
The Bottom Line
The 2017 CSO Mortality Table is a standardized life-insurance mortality table used for reserves, nonforfeiture calculations, and policy economics. It is technical, but it helps explain why life insurance is priced and regulated using group mortality assumptions rather than guesswork.