Quick answer
AWS, also known as the 13th month payment, is an annual payment on top of an employee's annual wages. In Singapore, AWS is generally not compulsory unless it is stated in the employment contract, collective agreement or company policy. If AWS is payable, employees should check how it is calculated, when it is paid and whether it is prorated.
What is AWS in Singapore?
AWS stands for Annual Wage Supplement. Many employees call it the 13th month bonus because it is commonly paid once a year, often near the end of the year. It is different from a performance bonus because AWS is usually linked to salary structure, while a performance bonus is more directly tied to individual or company performance.
Annual payment
AWS is normally a single annual payment made on top of regular monthly salary.
Often called 13th month
In everyday terms, AWS is commonly known as the 13th month payment or 13th month bonus.
Depends on entitlement
Whether you receive AWS depends on your employment contract, collective agreement, company policy or past practice.
Is AWS compulsory in Singapore?
AWS is not automatically compulsory for every employee. The key question is whether the employer has promised AWS in writing or through an applicable agreement. If the contract says AWS is discretionary, the employer may have more flexibility.
| Situation | Is AWS likely payable? | What to check |
|---|---|---|
| Contract clearly states 1 month AWS | Usually yes | Check eligibility, payment date, prorating and any conditions. |
| Contract says AWS is discretionary | Depends | Employer may decide based on company performance, policy and management approval. |
| No AWS clause in contract | Not automatic | Check handbook, offer letter, collective agreement or written company policy. |
| Collective agreement covers AWS | Depends on agreement | Check the agreed formula and eligibility rules. |
AWS vs bonus vs variable pay
Employees often mix up AWS and bonus. Both are additional payments, but they are not always calculated or promised in the same way. Understanding the difference helps when comparing job offers or checking your final salary after resignation.
| Payment type | Common meaning | Usually based on |
|---|---|---|
| AWS / 13th month | Annual wage supplement paid on top of annual wages. | Contract, company policy, collective agreement or salary structure. |
| Performance bonus | Reward for employee or company performance. | Performance rating, company results, management discretion or bonus formula. |
| Variable payment | Incentive or variable wage component. | Productivity, sales, targets, profit-sharing or other conditions. |
How is AWS usually calculated?
A common AWS formula is one month of basic salary, but the actual formula depends on the employment contract or company policy. Some companies may calculate AWS based on basic salary only, while others may have different rules for fixed allowances, unpaid leave or joining/leaving during the year.
Example 1: Full year employee
If your monthly basic salary is S$4,000 and your company pays 1 month AWS, your AWS may be S$4,000 before CPF, tax and other rules.
Example 2: Joined mid-year
If your company prorates AWS and you worked 6 out of 12 months, a S$4,000 AWS may be prorated to around S$2,000.
Example 3: Resigned before payout
Whether you receive prorated AWS depends on your contract, policy and resignation terms. Do not assume it is automatic.
Common AWS calculation examples
The examples below are simple planning illustrations only. Actual AWS may differ depending on employment terms, company policy, unpaid leave, confirmation status and other conditions.
| Monthly Basic Salary | AWS Formula | Estimated AWS | Example Note |
|---|---|---|---|
| S$3,000 | 1 month | S$3,000 | Full year employee, before CPF and tax treatment. |
| S$4,500 | 1 month | S$4,500 | Assumes AWS is based on basic salary. |
| S$5,000 | 0.5 month | S$2,500 | Some companies may pay a lower fixed AWS amount. |
| S$6,000 | Prorated 8/12 | S$4,000 | Example for an employee who worked 8 months, if prorating is allowed. |
Is AWS prorated if you join or leave during the year?
There is no single answer for every company. Some employers prorate AWS for employees who joined mid-year or resigned before year-end, while others require employees to be in service on the payout date or to meet minimum service conditions.
Joined during the year
Check whether your contract allows prorated AWS based on completed months of service.
Leaving the company
Check whether AWS is payable upon resignation, termination or final salary settlement.
Probation period
Some companies exclude probation period, while others count all service months. Always check the written policy.
What should an AWS clause say?
A clear AWS clause reduces confusion. Employees should check whether the clause says AWS is guaranteed, discretionary, prorated, conditional or subject to company performance.
| Clause area | Why it matters | Question to ask |
|---|---|---|
| Amount | Determines whether AWS is 1 month salary, half month salary or another amount. | Is AWS fixed or discretionary? |
| Salary basis | Clarifies whether AWS is based on basic salary, gross salary or another formula. | Are allowances included? |
| Eligibility | Determines whether probation, resignation or disciplinary status affects payment. | Must I be confirmed or still employed on payout date? |
| Proration | Important when you join or leave halfway through the year. | Will AWS be prorated for incomplete service? |
| Payout date | Helps with budgeting and final salary planning. | Is AWS paid in December, January or another payroll cycle? |
AWS, CPF and income tax
AWS can affect your CPF contributions and annual taxable income. For Singapore Citizens and PRs, AWS is generally treated as additional wages for CPF purposes. It can also form part of employment income for tax reporting. The exact CPF amount depends on CPF rules, wage ceilings and your wage situation.
CPF impact
AWS may attract CPF contributions for eligible Singapore Citizens and PRs, subject to CPF Additional Wage rules.
Tax impact
AWS is generally part of employment income, so it may affect annual taxable income and tax payable.
Take-home impact
Your cash received may be lower than the gross AWS amount after CPF and any applicable deductions.
Want to estimate salary after CPF and tax?
Use our Singapore salary calculator to estimate take-home pay after CPF, bonus and income tax planning assumptions.
Common AWS planning situations
AWS can affect job offer comparison, resignation timing and final salary expectations. These are common situations employees search for.
Comparing job offers
Compare annual package, not just monthly salary. A job with AWS may have higher annual pay than one without AWS.
Planning resignation
Before resigning near year-end, check whether you must remain employed on payout date to receive AWS.
Understanding final pay
If AWS is not paid in final salary, ask HR whether the contract provides prorated AWS or excludes resigned employees.
Why trust this AWS guide?
SG Salary Tools explains Singapore salary, CPF and employment topics in simple language for employees and job seekers. This guide is not legal advice, but it helps you understand the practical points to check before relying on an AWS payment.
Built for employees
The guide focuses on real questions employees ask about 13th month bonus, resignation and final salary.
Simple examples
Examples show how AWS may look for S$3,000, S$4,500, S$5,000 and prorated salary situations.
Linked to calculators
You can move from AWS explanation to salary, CPF and income tax calculators for practical planning.
Related Singapore calculators
Use these calculators to estimate salary, CPF, bonus and take-home pay.
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Frequently Asked Questions
What is AWS in Singapore?
AWS stands for Annual Wage Supplement. It is commonly called the 13th month payment and is usually an annual payment on top of regular wages.
Is AWS compulsory in Singapore?
AWS is generally not compulsory unless it is stated in the employment contract, collective agreement or applicable company policy.
Is AWS the same as 13th month bonus?
In Singapore, AWS is commonly known as the 13th month payment. However, the exact entitlement depends on the wording in your employment contract or company policy.
How is AWS calculated?
A common method is one month of basic salary, but the actual calculation depends on your employment contract, collective agreement or company policy.
Is AWS based on basic salary or gross salary?
It depends on the company policy or contract wording. Many companies use basic salary, but employees should check whether allowances are included or excluded.
Do I get AWS if I resign before year-end?
Not always. Some companies require employees to still be employed on the AWS payout date. Others may pay prorated AWS. Check your contract and HR policy.
Is AWS prorated if I join halfway through the year?
It depends on company policy. Some employers prorate AWS based on months of service, while others require a minimum service period.
Does probation period count for AWS?
It depends on your employment terms. Some employers count probation months as service, while others only count service after confirmation.
Is AWS subject to CPF?
For Singapore Citizens and PRs, AWS may be subject to CPF as Additional Wages, subject to CPF rules and wage ceilings.
Is AWS taxable in Singapore?
AWS is generally employment income and may be included in taxable income. The final tax impact depends on total annual income, reliefs and tax residency.
Can an employer reduce AWS?
If AWS is not contractually guaranteed, the employer may have discretion. MOM also states that employers can negotiate a lower AWS if business results are exceptionally poor.
Is this AWS guide official?
No. SG Salary Tools provides general salary planning information only. For official guidance, check MOM, CPF Board and your employment contract directly.