I've been contributing to my 401(k) since my 20s - but why don't I feel financially secure yet?

"Generally, saving 15% of your income into retirement accounts is recommended as a solid starting point for retirement. However, that doesn't mean that's all you have to save."

"Saving at 15% probably won't be enough for this user to retire early. It's considered the minimum. If you're looking for a more luxurious retirement or want some extra wiggle room, you need to save more."

Read at 24/7 Wall St.