Can CPF top-ups push me past the S$80,000 total tax relief cap in Singapore?

CPF Top-Ups and the S$80,000 Total Tax Relief Cap

Yes, certain CPF top-ups can contribute towards your overall S$80,000 total annual tax relief cap, as stipulated by IRAS.

Types of CPF Relief Included in the Cap:

• Mandatory Employee Contributions: Your mandatory CPF contributions (Ordinary, Special, and Medisave Accounts) are eligible for tax relief. For an employee aged 35 and below earning up to S$102,000 annually, the maximum employee contribution is 20% of salary (subject to the prevailing salary ceiling). For example, if your salary is S$7,400/month (2025 ceiling), your employee contribution is 20% of S$7,400, or S$1,480 per month, totaling S$17,760 annually, which counts towards the cap.
• Voluntary Top-Ups (Retirement Sum Topping-Up Scheme - RSTU): Top-ups made to your own or your loved ones' Special Account (SA) or Retirement Account (RA) under the RSTU scheme are also eligible for tax relief, up to the prevailing annual RSTU limit (which is currently subsumed under the overall $80,000 cap).

What is NOT Included (and does not count towards the cap):

• Employer's mandatory contributions.
• Mandatory Medisave contributions for the self-employed (though they receive relief for voluntary top-ups).
• Government grants or interest earned within the CPF accounts.

The S$80,000 Limit:

The total tax relief you can claim from all sources—including mandatory employee CPF contributions, RSTU top-ups, life insurance premiums, and approved donations—is capped at S$80,000 per year (IRAS). If your mandatory employee CPF contributions alone exceed this S$80,000 limit (which would require a salary significantly higher than the current S$7,400/month ceiling, or S$8,000/month in 2026), any excess relief is forfeited.

Example: If your mandatory employee CPF relief is S$15,000 and you make an RSTU top-up of S$10,000, your total CPF-related relief claimed is S$25,000, leaving S$55,000 available for other reliefs (like insurance or donations) before hitting the S$80,000 ceiling.