276
Living to 120 is becoming an imaginable prospect
(www.economist.com)
This is a most excellent place for technology news and articles.
The general rate of withdrawal need to be lower if you have a portfolio that is very conservative. That may make sense when you're saving for you yourself and have a low risk tolerance, but it's not needed. That people feel worried enough to do that, though, is a good argument for insurance/state run pension schemes, because they an inherently pay out more since they can smooth out the risks and pay toward the maximum averaged returns.