The so-called "Mega Backdoor Roth IRA" was coined in the following article in 2014:
I don’t hear about new ideas very often, but here is one that a few people might find very useful. I call it the “Mega Backdoor Roth IRA.”
https://www.whitecoatinvestor.com/the-mega-backdoor-roth-ira/
401(k) plans normally have an annual contribution limit of $19,000.
Using the "Mega Backdoor" strategy, employees can seemingly attain an annual 401(k) contribution grand total of $56,000 made up of pre-tax contributions, company match, and after-tax contributions.
Some of this 401(k) money can then be rolled into a Roth IRA, above and beyond the normal Roth IRA $6,000 annual contribution limit.
How does a Mega Backdoor Roth IRA work?
What 401(k) plan requirements are needed to enable this additional saving?
