Another hypothesized about moving to another country to be able to have universal health care. And another didn't look beyond the age of 40, figuring that medical complications from foregoing expensive treatments would put paid to their existence.

Others approached the issue with black humor, like the Twitter user who said they'd go to Mars after the collapse of Earth's environment—where humans would proceed to trash yet another planet. Or the one who plans to push offspring to become millionaires, then live off their wealth.

Permanent residence in parents' basements offered one alternative for living quarters, while another threatened to use GoFundMe to finance retirement.

Retirement is a sore subject for millennials, as it is for many of their elders. The report suggested some (very small) steps people might be able to take if they can't afford to save for retirement on a regular basis. Figuring out a way to contribute enough to an employer's retirement plan to at least get the employer match was probably the biggest, although other possibilities include a thorough review of bank and credit card statements to eliminate unnecessary subscriptions or "happy hours that don't actually bring joy."