Section: Finance · Personal FinanceDifficulty: Easy

401(k)

USUK
US/401(k)/

A US employer-sponsored retirement savings plan allowing pre-tax contributions with tax-deferred growth.

Also: 401(k)

Definition

A 401(k) is a US employer-sponsored retirement savings plan that allows employees to contribute a portion of their pre-tax salary, reducing current taxable income. Contributions and earnings grow tax-deferred until withdrawal in retirement (typically after age 59.5), when they are taxed as ordinary income. Many employers match employee contributions up to a percentage (e.g., 50% up to 6% of salary). The 2024 annual contribution limit is $23,000 (plus $7,500 catch-up for those 50+). Roth 401(k) contributions are post-tax but grow tax-free.

Example

“An employee earning $80,000 contributes 6% ($4,800) to their 401(k); their employer matches 3% ($2,400), resulting in $7,200 in total retirement savings that year, all tax-deferred.”

Usage Examples

  1. 1

    “The team applied 401(k) best practices to improve their personal finance outcomes significantly.”

  2. 2

    “Understanding 401(k) is essential for anyone building a career in Finance.”

When & How to Use

Use '401(k)' when working in Personal Finance contexts where a 401(k) is a us employer-sponsored retirement savings plan that allows employees to contribute a portion of their pre-tax salary, reducing current taxable income.

  • ▸Applying 401(k) principles during a personal finance project or initiative
  • ▸Explaining 401(k) to a junior team member or stakeholder unfamiliar with Finance
  • ▸Evaluating options or proposals using 401(k) as a decision-making criterion

Etymology & Origin

The term '401(k)' derives from professional usage and entered Finance professional usage as the field formalised in the 20th century.

History & Evolution

The concept of 401(k) has evolved alongside Finance. Early practitioners relied on informal methods; structured approaches emerged with the professionalisation of personal finance in the mid-20th century. Today, 401(k) is a standard part of Finance practice globally.

Synonyms

  • retirement savings plan
  • employer-sponsored retirement
  • DC plan

Antonyms / Opposites

  • Roth IRA
  • taxable account

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  • ira
  • retirement
  • tax-deferred
  • employer-match

Dictionary Entry

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