Key Takeaways. An after-tax 401(k) contribution allows you to deposit more than the $23,000 pretax limit for 2024 ($30,500 for those age 50 or older).

That obscures who’s benefiting from the tax cuts that their donations — tax deductible in the case of the State Policy Network and ALEC — helped bring about. In 2021 alone, DonorsTrust funneled around ...