1. Longevity Preparedness Index Methodology: Data for the Longevity Preparedness Index were collected by NORC at the University of Chicago from their AmeriSpeak Panel, a probability-based panel designed to be representative of the US household population. Surveys were conducted online and by phone in English between May 14 and June 5, 2025; median survey completion time was approximately 25 minutes. The final sample was comprised of 1,307 Americans, aged 18 and up, with oversamples of Non-Hispanic Black panelists, Hispanic panelists, and Non-Hispanic Asian American and Pacific Islander panelists to ensure adequate sample size for sub-group analysis. During analysis, survey responses were weighted to represent the US population. LPI scores can range from 0 (not at all prepared for longevity) to 100 (completely prepared for longevity). The overall LPI is composed of 8 domains. Each domain captures positive behaviors toward longevity preparedness and awareness of the importance of a domain. Domain scores are each calculated independently and can range from 0 to 100. All eight domain scores are averaged to calculate an overall LPI score. The Longevity Preparedness Index was developed in collaboration with MIT Age Lab and funded by John Hancock. John Hancock provided financial support for the research but did not influence the findings, methodology, or conclusions. John Hancock is not affiliated with the Massachusetts Institute of Technology (MIT) AgeLab, and neither is responsible for the liabilities of the other.

Your responses are confidential and will not be shared by John Hancock with the MIT AgeLab or any other third party without your consent. As with all of John Hancock’s website materials, the Longevity Preparedness tool is not intended for use by anyone under the age of 18. The Longevity Preparedness Index was developed with data solely from adults 18 years of age and older.

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