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Mortality assumptions meaning

What does Mortality assumptions mean?
Mortality assumptions are actuarial estimates of life expectancy for a defined population (typically members of a pension scheme), used to project when members will die before and after retirement. They are not defined in statute or case law; the term is a descriptive expression used across pensions, insurance and damages calculations. In UK and Irish pensions law, trustees set mortality assumptions for defined benefit scheme funding on the scheme actuary’s advice. In the UK, they must be “prudent” for technical provisions under the Pensions Act 2004, with guidance from The Pensions Regulator. In Ireland, comparable principles apply under the Pensions Act 1990 and oversight by the Pensions Authority. Assumptions commonly comprise a base mortality table (for example, SAPS tables) and projected future mortality improvements (often using the CMI model), and may vary by age, sex, pensioner/non‑pensioner status and socioeconomic factors. These assumptions materially affect scheme liabilities, funding contributions, section 75 employer debt, cash‑equivalent transfer values, buy‑in/buy‑out pricing, PPF section 179 valuations, and corporate accounting under IAS 19/FRS 102. Usage is broadly consistent across England & Wales, Scotland, Northern Ireland and Ireland. In personal injury and clinical negligence, mortality underpins multipliers (for example, Ogden Tables in the UK) or actuarial evidence (Ireland).
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View the related Practice Notes about Mortality assumptions

PRACTICE NOTES
Valuing DB pension liabilities: scheme-specific funding (technical provisions) and low dependency, buy-out, PPF s143/s179, CETVs, IAS 19/UK GAAP and related funding concepts

THIS PRACTICE NOTE APPLIES IN RELATION TO DEFINED BENEFIT LIABILITIES How defined benefit (DB) liabilities ought to be assessed depends on a number of factors, in particular: the valuation approach to be adopted. Common exercises undertaken comprise the following: scheme-specific funding valuations as required under Part 3 of the Pensions Act 2004 (PeA 2004) solvency (or buy-out) valuations as required by the Occupational Pension Scheme (Scheme Funding) Regulations 2005, SI 2005/337, reg 7 valuations required by the PeA 2004, ss 143 and 179 (often described respectively as s 143 valuations and s 179 valuations) neutral estimates to meet the requirements of Technical Actuarial Standard 300 (Pensions) cash equivalent transfer values (CETV) as specified under the Occupational Pension Schemes (Transfer Values) Regulations 1996, SI 1996/1847 IAS19 and UK GAAP valuations whether the liabilities under review concern past service or future service, as distinct categories This Practice Note sets...

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PRACTICE NOTES
Personal Injury and Clinical Negligence update: Ogden 8, COVID-19 practice changes, CPR, whiplash and costs reforms, key case law and consultations—August 2020 [Archived]

PI & Clinical Negligence horizon scanner—August 2020 [Archived] ARCHIVED: This Practice Note has been archived and is no longer maintained. It provides a condensed account of the principal legal developments pertinent to personal injury and clinical negligence practitioners as at August 2020. For the most up-to-date horizon scanner, please refer to PI and Clinical Negligence horizon scanning—overview. Ogden 8 On 17 July 2020, the Government Actuary’s Department issued the eighth edition of the Ogden Tables. In this edition, the explanatory notes have been wholly rewritten and extended to include pension loss claims and periodical payment orders. The actuarial tables have been amended to incorporate updated mortality assumptions and to span a broader range of retirement ages...

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