No, it really not. As I mentioned your mortgage would be paid off which for most is a substantial monthly bill. You would also be able to supplement that money with social security once you reached your 60s. It really depends on a number of factors -- your cost of living for one. Where I live in Central Wisconsin -- 40k a year will go a long way. Obviously as someone pointed out that 40k was just an example because it worked well as a round number. Most importantly, it depends on your priorities and what they are. If you need to have that vacation home, if you need to wine and dine, yes that will be a sad retirement. If you can find a way to live within lesser means and value your time more, it can be a very happy retirement. Others brought up the idea of having one spouse retire while the other continues working for health insurance, a great idea. Ideally you could simply have one spouse work part-time, but part-time jobs with decent insurance are hard to find. Obviously insurance is the million dollar question, and not an easy one. I don't know much about the government marketplace for insurance, never had to use it. My dad retired in his 50s from a modest job. He owns his home and makes enough in retirement to live comfortably. For extra side cash, he earns $300 per month from donating plasma twice a week, which takes about an hour each time. He actually enjoys the hour to just sit there and read or watch Netflix. This plan isn't for everyone, but it works fine for him. Retirement, or timing retirement, is nothing more than a choice between time and money. Every year you have less time and more money. I won't make 45, but I won't work a day into my 60s -- I've never heard of anyone on their death bed saying they wished they had less time and made more money.