All contributions, yours and your employers, must be within the annual overall contribution limit. This is the most that anyone can contribute to your 401(k) in a given year from any sources. In 2025 the overall contribution limit is $70,000. So, for example, say that you contribute $23,500 personal maximum to your 401(k) in 2025. Your employer could contribute an additional $46,500 to your portfolio, for a total contribution of $70,000. However, most employers offering a match will contribute based on your ...