• A valuation mortality table is a statistical chart insurance companies use to estimate death rates by age and thereby set statutory reserves, price life-insurance products, and calculate cash-surrender values. (NAIC; SOA)
– These tables typically include built‑in safety margins required by regulators and often additional margins insurers add themselves. Those margins protect insurers if deaths exceed expectations. (NAIC)
– Common industry tables include the Commissioners Standard Ordinary (CSO) tables developed by the NAIC and Society of Actuaries, and U.S. Treasury/IRS actuarial tables used for certain tax/estate valuations. (SOA; IRS)
– Knowing your actuarial (insurer’s) age helps estimate insurance costs, retirement income needs, and timing for benefits such as Social Security. (Investopedia summary)
Understanding Valuation Mortality Tables
What they are
– A valuation mortality table lists, for each age (and often for subgroups like sex and smoker status), the probability or rate of death during the next year and related statistics (e.g., expected remaining lifetime). Insurers use those probabilities to predict future claims and to calculate the amount of money they must hold in reserve to pay those claims when they occur. (NAIC; SOA)
Why insurers use them
– To set premiums that are actuarially adequate (cover expected claims plus expenses and profit).
– To compute statutory reserves—liquid assets an insurer must legally hold to ensure future death benefits and policy values can be paid. Regulators require minimum reserve calculations and prescribed mortality assumptions for many products. (NAIC)
Built‑in safety margins
– Valuation tables often deliberately assume slightly higher mortality than best-estimate experience (a safety margin) so reserves are conservative. Insurers may add further margins when designing products. (NAIC)
How Mortality Tables Work
Core components
– qx (or similar): the probability that a person aged x dies before reaching x+1.
– lx: number of survivors at each age in a hypothetical cohort (often per 1,000 or 100,000).
– ex: expected remaining lifetime at age x (life expectancy at that age).
From table to price/reserve (concept)
1. For a life insurance policy with a fixed death benefit, an actuary projects expected future death benefits each year by multiplying the benefit amount by the probability the insured dies in that year (from qx).
2. Expected future premiums and investment earnings are projected.
3. Discount those future cash flows to present value.
4. The statutory reserve equals the present value of expected future outflows (benefits) minus present value of future inflows (premiums), using required interest and mortality assumptions. (NAIC Valuation Manual)
Example of a Valuation Mortality Table (Illustrative)
– Suppose a table shows that a male age 40 has q40 = 0.0025 (meaning 2.5 deaths per 1,000 40‑year‑olds in the next year) and an expected remaining lifetime e40 = 41 years (average to age 81).
– If the insurer sells a $100,000 term policy at age 40, it expects (on average) to collect approximately 41 years of premiums before paying a death claim, and it prices the premium to cover the present value of those expected claims plus expenses. (SOA; Investopedia example)
Practical steps: If you’re a consumer shopping for life insurance
1. Ask the carrier what mortality table basis they use (e.g., 2017 CSO) and whether they apply preferred or standard underwriting classes. (SOA; NAIC)
2. Compare quotes across insurers and include financial-strength ratings (A.M. Best, S&P, Moody’s). Pricing depends on the table and on underwriting class.
3. Check whether a policy is priced using conservative (higher mortality) assumptions or more competitive ones—this affects premium level and reserve strength.
4. Consider factors that change your actuarial risk: age, sex, smoker status, health conditions, family history, occupation, and hobbies. Disclose accurately during underwriting.
What benefits would knowing my actuarial age provide?
– Pricing expectations: Gives a quick sense of how insurers will price you for life insurance—longer actuarial life means lower premiums.
– Retirement planning: Helps estimate how many years you may need retirement income and when to begin Social Security.
– Estate and tax planning: Useful when valuing annuities, life estates, remainders or reversionary interests (IRS uses prescribed actuarial tables for some tax calculations). (IRS; Investopedia)
How often are mortality tables updated?
– It varies by purpose and jurisdiction. NAIC/SOA updates are infrequent but substantial; for example, the industry moved from the 2001 CSO to the 2017 CSO tables (effective for new products sold by 2020). (SOA; AIG transition notes)
– The IRS updates its actuarial tables roughly every 10 years; the current IRS table (based on 2010 data) became effective in May 2023 for certain tax valuations. (IRS)
– Public health mortality statistics (national death rates, life expectancy) are published annually (e.g., CDC releases yearly mortality reports). (CDC)
What is a “normal” mortality rate?
– There’s no single “normal” rate—mortality varies by age, sex, smoker status, health, and country/period. At the population level (United States, 2021) the all‑ages crude death rate was about 835.4 deaths per 100,000 people (average life expectancy 76.1 years), but mortality risk rises steeply with age (a 65‑year‑old’s life expectancy in 2021 was about 83.4). For insurance purposes, tables give age‑specific rates (qx) rather than one overall rate. (CDC)
The Bottom Line
Valuation mortality tables are central tools for insurers and actuaries: they quantify the risk of death by age and subgroup, and they feed directly into pricing, statutory-reserve calculations, and product design. Though built on averages and large cohorts, these tables are robust at scale and are updated periodically to reflect changing longevity trends and regulatory guidance. For individuals, understanding your actuarial age and the factors that influence mortality can improve decisions about buying life insurance, planning retirement income, and timing benefits.
Practical steps: How to use this knowledge for planning
– Estimate your actuarial age: Use insurer or actuarial calculators online (many carriers and actuarial groups provide tools) to get a rough life‑expectancy estimate adjusted for sex and smoker status.
– When shopping for life insurance: request terms based on specific underwriting classes, ask which valuation table is used, compare several carriers, and check financial strength ratings.
– For retirement/estate planning: incorporate actuarial age into projections for how long retirement savings must last, and consult a financial planner or actuary for modeling complex products (annuities, life settlements, trusts).
– For professionals: if you need reserve calculations or product pricing, use the prescribed NAIC/CSO tables for statutory work and the IRS tables where required for tax valuations. Keep track of table updates and regulatory guidance (NAIC Valuation Manual, SOA reports, IRS releases).
Selected sources and further reading
– National Association of Insurance Commissioners (NAIC). Valuation Manual: Jan. 1, 2023 Edition.
– Society of Actuaries (SOA). Report on the 2017 CSO and 2017 CSO Preferred Structure Table Development; 2017 Commissioners Standard Ordinary (CSO) Tables.
– Internal Revenue Service (IRS). Actuarial Tables.
– Centers for Disease Control and Prevention (CDC). Mortality in the United States, 2021.
– Journal of Insurance Medicine. “The History of Actuarial Mortality Tables in the United States.”
– Investopedia. “Valuation Mortality Table” (overview and consumer examples).
Editor’s note: The following topics are reserved for upcoming updates and will be expanded with detailed examples and datasets.