401k Limits 2024 After Tax 2024. 1, 2024 — the internal revenue service today announced disaster tax relief for all individuals and businesses affected by hurricane helene,.  — for those with a 401 (k), 403 (b), or 457 plan through an employer, your new maximum contribution limit will go up to $23,000 in 2024.

401 (k) pretax limit increases to $23,000.  — the 2024 contribution limit for 401 (k) plans is $23,000, up from $22,500 in 2023.