As a practical proposition, that means, if I enjoy normal life expectancy, this case will consume the bulk of my remaining time on earth. (steynonline.com)
An annuity is attractive if you expect to live beyond normal life expectancy, but a lump sum may be better if you have other sources of income. (aaii.com)
Your time horizon (this should be in years and assuming normal life expectancy — say to age 85). (moneysense.ca)