2024 40k Limit. For 2024, single and head of household filers with a magi below $146,000 (up from $138,000 last year) can contribute the full $7,000 in 2024. For those with a 401(k), 403(b), or 457 plan through an employer, your new maximum contribution limit.

For 2024, single and head of household filers with a magi below $146,000 (up from $138,000 last year) can contribute the full $7,000 in 2024. The basic employee contribution limit for 2024 is $23,000 ($22,500 for 2023).