"most tech workers plan to retire by their 40's"
Most tech workers who plan to retire by their 40s will be working into their 50s.
Most tech workers who plan to retire by their 40s will be working into their 50s.
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If your income is high enough (tech workers are commonly several standard deviations above median income) and your cost of living / lifestyle expenses low enough (SFBA makes this harder, but may come with more income), it is definitely possible to retire in your 40s.
The claim I was responding to is andrewprock's statement:
> Most tech workers who plan to retire by their 40s will be working into their 50s.
Which makes a specific claim about the specific subset of tech workers who are planning to retire in their 40s.