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Updated on Feb 23, 2026education

What Is a 401(k) and How Does It Work in 2026?

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Updated on Feb 23, 2026

In 2026, a 401(k) remains a powerful employer-sponsored tool for building wealth. You choose a percentage of your salary to invest automatically before you even see your paycheck. This "set-it-and-forget-it" method allows your money to grow through compound interest over time.

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