How much should you contribute to your 401(k)? Experts recommend saving 15% of your income, including your employer match. If that’s too much, start at 6% and increase over time. The IRS limit for 2025 is $23,500 (or $31,000 for those 50+). Learn how to maximize your savings, balance financial priorities, and set yourself up for a secure retirement in this expert-backed guide!