Solo 401k Contribution Limits 2024 Irs. As the solo 401k custodian, you have the responsibility to manage and protect the. For those with a 401(k), 403(b), or 457 plan through an employer, your new maximum contribution limit will go up to.

Starting in 2024, employees can contribute up to $23,000 into their 401(k), 403(b), most 457 plans or the thrift savings plan for federal employees, the irs announced nov. Whereas the elective deferral contribution if you’re 50 and older.