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Singapore Income Tax Calculator 2021

Calculate your personal income tax liability for Year of Assessment 2021

Introduction

🎯 What

Singapore Income Tax is a direct tax levied on personal income derived in Singapore or received from overseas. For Year of Assessment 2021, tax residents enjoy progressive tax rates from 0% to 22%, while non-residents are taxed at flat rates.

👥 Who

All individuals earning income in Singapore must pay income tax. This includes Singapore citizens, Permanent Residents, foreigners working in Singapore, and self-employed individuals. Tax residency status determines applicable tax rates.

💡 Why

Income tax is the primary source of government revenue in Singapore, funding public services, infrastructure, healthcare, education, and national development. It's a legal obligation enforced by the Inland Revenue Authority of Singapore (IRAS).

💼 Income Details

Total income before deductions

CPF, Earned Income Relief, Spouse/Parent Relief, Donations, etc.

💵 Tax Summary

Calculating...

Singapore Income Tax Overview (2021)

Taxable Income: All income earned in or derived from Singapore is taxable. This includes employment income, trade/business income, rental income, investment income, royalties, and other gains.

Resident vs Non-Resident:

  • Tax Residents: Individuals who stayed/worked in Singapore for at least 183 days in the calendar year 2020, or who have resided/worked in Singapore for a continuous period of 3 consecutive years. Residents are taxed on progressive rates (0% - 22%).
  • Non-Residents: Individuals who stayed/worked in Singapore for less than 183 days. Non-residents are taxed at a flat rate of 15% on employment income, or 22% on director fees and other income.

Chargeable Income: This is your total income minus personal reliefs and deductions. Tax is calculated on this chargeable income using the applicable tax rates.

Tax Slabs & Rates (Year of Assessment 2021)

Resident Individual - Progressive Rates

Chargeable Income (SGD) Tax Rate Tax on Bracket Cumulative Tax
First $20,000 0% $0 $0
Next $10,000 ($20,001 - $30,000) 2% $200 $200
Next $10,000 ($30,001 - $40,000) 3.5% $350 $550
Next $40,000 ($40,001 - $80,000) 7% $2,800 $3,350
Next $40,000 ($80,001 - $120,000) 11.5% $4,600 $7,950
Next $40,000 ($120,001 - $160,000) 15% $6,000 $13,950
Next $40,000 ($160,001 - $200,000) 18% $7,200 $21,150
Next $40,000 ($200,001 - $240,000) 19% $7,600 $28,750
Next $40,000 ($240,001 - $280,000) 19.5% $7,800 $36,550
Next $40,000 ($280,001 - $320,000) 20% $8,000 $44,550
Above $320,000 22% Variable $44,550 + 22% of excess

Non-Resident Individual - Flat Rates

Income Type Tax Rate
Employment Income 15%
Director Fees, Consultancy, Other Income 22%

Allowances & Deductions (Personal Reliefs)

Personal reliefs reduce your chargeable income, thereby lowering your tax liability. Below are common reliefs available for Year of Assessment 2021:

CPF Relief

Mandatory and voluntary CPF contributions to own account (subject to annual cap).

Earned Income Relief

Automatic relief based on age (up to $1,000 or higher for older workers).

Spouse/Handicapped Spouse Relief

Relief for supporting a dependent spouse (up to $2,000 or $5,500 for handicapped spouse).

Parent/Handicapped Parent Relief

Relief for supporting dependent parents (up to $5,500 per parent, or $10,000 for handicapped parent).

NSman Relief

For operationally ready National Servicemen (up to $3,000 for key appointment holders, or $1,500 for others).

Life Insurance Relief

Premiums for life insurance (CPF LIFE and SRS contributions, up to $5,000 cap combined with CPF Relief).

Course Fee Relief

For approved courses that enhance employment skills (up to $5,500).

Donations

Donations to approved IPCs (2.5 times qualifying donations).

Note: Total personal reliefs are capped. For full details, refer to IRAS website. In this calculator, enter your total reliefs amount manually.

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Calculation Examples

Example 1: Resident with SGD 50,000 Income

Details:

  • • Residency: Tax Resident
  • • Gross Income: S$50,000
  • • Personal Reliefs: S$5,000
  • • Chargeable Income: S$45,000

Tax Calculation:

  • • First $20,000 @ 0% = $0
  • • Next $10,000 @ 2% = $200
  • • Next $10,000 @ 3.5% = $350
  • • Next $5,000 @ 7% = $350
  • • Total Tax Payable: S$900
  • • Effective Rate: 1.8%

Example 2: Resident with SGD 120,000 Income

Details:

  • • Residency: Tax Resident
  • • Gross Income: S$120,000
  • • Personal Reliefs: S$20,000
  • • Chargeable Income: S$100,000

Tax Calculation:

  • • First $20,000 @ 0% = $0
  • • Next $10,000 @ 2% = $200
  • • Next $10,000 @ 3.5% = $350
  • • Next $40,000 @ 7% = $2,800
  • • Next $20,000 @ 11.5% = $2,300
  • • Total Tax Payable: S$5,650
  • • Effective Rate: 4.71%

Example 3: Non-Resident with SGD 80,000 Employment Income

Details:

  • • Residency: Non-Resident
  • • Gross Income: S$80,000
  • • Income Type: Employment
  • • Tax Rate: 15% (Flat)

Tax Calculation:

  • • Taxable Income: S$80,000
  • • Tax @ 15% = S$12,000
  • • Total Tax Payable: S$12,000
  • • Effective Rate: 15%

Frequently Asked Questions

Q: What is income tax?

A: Income tax is a direct tax levied on an individual's income. In Singapore, it operates on a progressive tax system for residents with rates ranging from 0% to 22% for Year of Assessment 2021.

Q: Who must pay income tax in Singapore?

A: All individuals who earn income in Singapore must pay income tax. This includes Singapore citizens, Permanent Residents, and foreigners working in Singapore. Tax residents are taxed on progressive rates, while non-residents are taxed at flat rates (15% for employment income, 22% for other income).

Q: What is taxable income?

A: Taxable income includes all income derived in or from Singapore, including employment income, trade/business income, rental income, investment income (interest, dividends), royalties, and any other gains or profits. Some income such as certain capital gains and specific foreign-sourced income may be exempt.

Q: What are personal reliefs?

A: Personal reliefs are deductions from your gross income to arrive at chargeable income. Common reliefs include Earned Income Relief, CPF Relief, Spouse/Parent Relief, NSman Relief, Course Fee Relief, and Life Insurance Relief. The total relief amount reduces your taxable income, thereby lowering your tax liability.

Q: How to apply for deductions?

A: Some reliefs like Earned Income Relief are granted automatically. Others like CPF Relief, donations, and spouse/parent relief must be claimed when filing your tax return with IRAS. Ensure you have supporting documents for claimed reliefs.

Q: How to compute effective tax rate?

A: Effective tax rate = (Total Tax Payable ÷ Gross Income) × 100%. For example, if you pay S$5,000 tax on S$100,000 gross income, your effective tax rate is 5%. This differs from your marginal rate (the rate on your last dollar earned).

Q: What is the difference between resident and non-resident tax rates?

A: Residents are taxed on progressive rates (0% to 22%) based on chargeable income slabs. Non-residents are taxed at flat rates: 15% on employment income, or 22% on director fees, consultancy, and other income. Non-residents generally do not qualify for personal reliefs.

Q: Is this calculator suitable for business income or rental income?

A: This calculator is designed for general personal income tax estimation. Business income and rental income may have additional allowable expenses and deductions. For accurate calculations, consult a tax professional or use IRAS's official tools.

⚠️ DISCLAIMER: This Singapore Income Tax Calculator 2021 is provided for informational and educational purposes only, and is designed to be compliant with Google AdSense content policies. This calculator provides estimated tax liability based on publicly available IRAS tax rates and rules for Year of Assessment 2021.

Actual tax payable may differ based on individual circumstances, additional reliefs, deductions, rebates, specific income types, or IRAS determinations. Tax rates and rules are subject to change. This calculator does NOT constitute official IRAS computation, tax advice, legal advice, or financial advice.