How much do plan to have saved for retirement?

I'm 15 years away from 65. And hoping to retire at 65 as well. I did manage to land a state job 5 years ago. A little late to the game but I'm still working with a pension. I should be getting about 50-55% of my pay at time of retirement. Plus I have enough time paid into social security to get a small % of that if it still exists in 15 years. And I also have a thing called the smart plan that I pay into every month. It is taken out before taxes and is invested in the stock market like an IRA. If that doesn't tank should be able to have about $100,000 in 15 years. I definitely feel behind on saving for retirement but at least on the right track now. Maybe when I retire I can afford a quality cardboard box and fancy cat food.