Working Paper 204 was published in September 2025. The paper describes analysis of data by socio-economic status in the subset of the pension annuities in payment dataset to 2022 that included indicators based on the Index of Multiple Deprivation (IMD) and region, using the “CMI Postcode Mapping Tool”.
The analysis includes two-way analysis of Age Standardised Mortality Rates (ASMRs) and Age and Deprivation Standardised Mortality Rates (ADSMRs) by a number of different factors in the Annuities dataset along with indicative Generalised Linear Model (GLM) analysis. Values underlying charts are available as an accompanying output.
The results of the two-way analysis show that, for both males and females, the ASMRs of the IMD dataset by IMD decile are lower than that for population data. The difference in ASMRs between the datasets are more noticeable at more deprived deciles and less noticeable for less deprived deciles (IMD 1 being most deprived and IMD 10 being least deprived).
The results of the GLM analysis show that IMD decile appears to be a key driver of mortality differentials based on GLM coefficients, with other factors such as region, product type and calendar year showing smaller but still noticeable differentials in mortality.
A spreadsheet that includes the values underlying the charts in the working paper and data visualisations in pivot chart format accompanies this paper.
Note: this paper and the accompanying output are available to Authorised Users only.
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