What is NPS?

Published on August 08, 2026 • Last updated August 08, 2026

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Definition

The National Pension System (NPS) is a voluntary, defined-contribution retirement savings scheme designed to enable systematic savings during working life.

Detailed Explanation

In-Depth Guide

Key Takeaway

The National Pension System (NPS) is a voluntary, defined-contribution retirement savings scheme created by the government to provide financial security and monthly income to individuals post-retirement. It enables working professionals to systematically accumulate a pension corpus throughout their career.

Contributions in NPS are professionally managed by pension fund managers across four asset classes: Equities (E), Corporate Bonds (C), Government Securities (G), and Alternative Assets (A). Investors can customize their asset split or choose an automated age-based allocation that dynamically reduces equity exposure as they approach retirement age.

Upon reaching age 60, up to 60% of the accumulated NPS corpus can be withdrawn completely tax-free as a lump sum. The remaining minimum 40% must be invested in a regulated annuity plan to ensure a guaranteed lifelong monthly pension stream. NPS also offers exclusive additional income tax deductions, making it a cornerstone for retirement planning.

Related Formula

Learn how NPS is calculated

View NPS Formula

Mathematical Formula

The final corpus is calculated by compounding periodic contributions based on asset allocation and return rates: $$Corpus = P \times \frac{(1 + r)^n - 1}{r} \times (1 + r)$$ (where P is periodic contribution, r is return rate, and n is number of periods)

Calculation Examples

A 30-year-old contributing $5,000 monthly until age 60 (30 years) with an average return of 10% per annum: - Monthly contribution (P) = $5,000 - Years of compounding (n) = 30 years (360 months) - Total invested amount = $1,800,000 - Total corpus at retirement = $11,396,627 - Minimum 40% (₹4,558,651) must buy an annuity, providing monthly pension.

Frequently Asked Questions

Contributions are tax-deductible up to ₹1.5 Lakhs under Section 80C. An additional deduction of up to ₹50,000 is allowed under Section 80CCD(1B).

Tier I is a mandatory, non-withdrawable retirement account with tax benefits. Tier II is a voluntary savings account with flexible withdrawals but no tax benefits.

Yes. Investors can choose "Active Choice" (manually deciding split between Equity, Corporate Debt, and Govt Bonds, up to 75% equity) or "Auto Choice" (lifecycle fund that dynamically changes equity allocation based on age).

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