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Thirteenth Month Pay

What is 13th month pay?

Thirteenth month pay is an additional payment equivalent to one month's salary paid to employees beyond their regular 12 monthly salaries. This is a mandatory benefit in some countries and a customary practice in others. It's typically paid at year-end, though timing and calculation methods vary by country.

Countries with mandatory 13th month pay in APAC

Philippines

  • Mandatory under Presidential Decree 851
  • Paid to all rank-and-file employees
  • Minimum: 1/12 of total basic salary earned in a year
  • Must be paid on or before December 24
  • Tax-free up to PHP 90,000
  • Pro-rated for part-year employment
  • Employers may pay more than minimum

Indonesia

  • Mandatory Religious Holiday Allowance (THR - Tunjangan Hari Raya)
  • One month's salary paid before major religious holiday
  • Must be paid 7 days before holiday (usually Eid al-Fitr for Muslim majority)
  • All employees entitled regardless of religion
  • Pro-rated for less than 1 year service
  • Separate from any year-end bonus
  • Failure to pay results in fines

Other APAC countries

  • Not mandatory by law in most other countries
  • May be customary or expected in certain industries
  • Often provided as company policy
  • Common in Singapore, Hong Kong (as bonus/AWS)
  • Part of compensation culture in many markets

Singapore - Annual Wage Supplement (AWS)

Not mandatory but very common

  • Typically one month's salary
  • Usually paid in December
  • Part of standard compensation packages
  • Expected by employees
  • Helps with year-end expenses
  • May be guaranteed or performance-based
  • Should be stated in employment contract

Variations

  • Some companies pay fixed AWS
  • Others link to performance
  • May be pro-rated for part-year
  • Some companies pay more than one month
  • Contract should clearly specify terms

Hong Kong - Year-end Bonus

Common practice

  • Often equivalent to one month or more
  • Called "double pay" commonly
  • Usually December payment
  • May be guaranteed or discretionary
  • Part of expected compensation
  • Market practice varies by industry
  • Should be clear in contract if guaranteed

Discretionary vs. contractual

  • If contractual: must be paid as agreed
  • If discretionary: company decides based on performance
  • Clarity in offer letter essential
  • Employee expectations matter

Japan - Bonus System (Bonuses)

Biannual bonuses common

  • Summer bonus (June/July) and winter bonus (December)
  • Each typically 1-3 months' salary
  • Total: 2-6 months per year
  • Performance and company results based
  • Expected part of compensation
  • Significant portion of annual earnings
  • Not required by law but standard practice

China - 13th Month Pay and Bonuses

Not mandatory

  • No statutory requirement for 13th month pay
  • Year-end bonuses very common
  • Often substantial (1-3 months or more)
  • Tied to performance and company results
  • Lunar New Year bonuses expected
  • Helps retain staff over holiday period
  • Should be clearly specified if guaranteed

Calculation of 13th month pay

Basic formula

Total basic salary earned in the year ÷ 12 = 13th month pay

Components typically included

  • Basic monthly salary
  • Regular fixed allowances (if specified by law/contract)

Components typically excluded

  • Overtime pay
  • Bonuses and commissions
  • Reimbursements
  • Ad hoc payments
  • Benefits in kind
  • Variable allowances

Country-specific calculations

Philippines

  • Basic salary only
  • 1/12 of total basic salary earned in calendar year
  • If worked partial year: pro-rated
  • Formula: (Total Basic Salary / 12) or (Monthly Basic Salary x Months Worked / 12)

Indonesia (THR)

  • One month's salary
  • If less than 12 months: pro-rated
  • Formula: Monthly Salary x (Months Worked / 12)
  • Must be paid in full if more than 1 year service

Pro-ration for part-year employment

Joiners during the year

  • Calculate months worked
  • Pro-rate 13th month pay accordingly
  • Formula: (Monthly Salary x Months Worked) / 12
  • Count full months typically

Example

  • Employee starts July 1
  • Works 6 months in calendar year
  • Monthly salary: $3,000
  • 13th month pay: ($3,000 x 6) / 12 = $1,500

Leavers during the year

  • Entitled to pro-rated 13th month pay
  • Based on months worked before departure
  • Paid with final settlement
  • Same calculation as joiners

Payment timing

Philippines

  • Must be paid on or before December 24
  • Can be paid earlier
  • Can be split into two payments (common practice)
  • First half: May/June
  • Second half: December

Indonesia

  • Must be paid 7 days before religious holiday
  • Usually before Eid al-Fitr
  • Late payment results in fines
  • Timing critical for compliance

Other countries

  • Typically December payment
  • May be with December salary or separate
  • Some companies pay in January
  • Contract specifies timing
  • Year-end bonuses: December/January usually

Tax treatment

Philippines

  • First PHP 90,000 tax-free
  • Amount above PHP 90,000 taxable as supplementary income
  • Separate from regular salary taxation
  • BIR regulations apply

Indonesia

  • THR taxed as regular income
  • Combined with monthly salary for tax calculation
  • PPh 21 (income tax) applies
  • Higher tax month typically

Other countries

  • Generally taxed as regular income
  • May push into higher tax bracket
  • Withholding tax applies
  • Year-end tax considerations
  • Bonus taxation rules apply

13th month pay vs. bonuses

13th month pay

  • Mandatory in some countries (Philippines, Indonesia's THR)
  • Fixed calculation (usually one month)
  • Paid regardless of performance
  • Legal entitlement
  • Timing specified by law
  • Pro-rated for part-year

Performance bonus

  • Discretionary (unless contractually guaranteed)
  • Variable amount
  • Based on performance/results
  • Not legally required (usually)
  • Flexible timing
  • May not be pro-rated
  • Can be zero if poor performance

Can have both

  • Many companies provide mandatory 13th month PLUS discretionary bonus
  • Separate payments
  • Different calculations
  • Different tax treatment sometimes
  • Clear communication important

Employer obligations

Where mandatory

  • Legal requirement to pay
  • Cannot be waived or reduced
  • Must pay on time
  • Pro-rate correctly
  • Include in employment contracts
  • Budget appropriately
  • Non-payment results in penalties

Where customary

  • Market expectation management
  • Contract clarity essential
  • If promised, must deliver
  • Discretionary language if not guaranteed
  • Consistent treatment across employees
  • Clear communication of terms

Common mistakes

Calculation errors

  • Including wrong salary components
  • Incorrect pro-ration
  • Not accounting for salary changes
  • Missing unpaid leave deductions

Timing failures

  • Late payment (where deadlines exist)
  • Not planning cash flow
  • Surprising employees with delays
  • Missing statutory deadlines

Documentation gaps

  • Unclear contract terms
  • No policy on 13th month
  • Confusion about guaranteed vs. discretionary
  • Missing written confirmations

Inconsistent treatment

  • Different treatment for similar employees
  • Discrimination issues
  • Unclear eligibility criteria
  • Ad hoc decisions

Best practices

Clear policies

  • Written 13th month pay policy
  • Specify calculation method
  • State payment timing
  • Explain eligibility
  • Include in employee handbook
  • Review and update annually

Contract clarity

  • Specify if 13th month pay guaranteed
  • State calculation method
  • Include payment timing
  • Distinguish from discretionary bonuses
  • Local language translation

Communication

  • Explain 13th month pay to new hires
  • Remind employees of timing
  • Transparent calculation
  • Advance notice of payment date
  • Answer questions clearly

Financial planning

  • Budget for 13th month pay
  • Build into annual salary costs
  • Cash flow management
  • Set aside funds monthly
  • Plan for payment timing

Compliance

  • Follow local law requirements
  • Pay on time where mandatory
  • Accurate calculations
  • Proper tax withholding
  • Documentation maintained

Payroll processing

  • Separate payslip often
  • Clear labeling on payslip
  • Correct tax treatment
  • Include in year-end statements
  • Audit trail maintained

13th month pay in employment negotiations

For employers

  • Clarify if included in offer
  • Explain calculation and timing
  • Distinguish from bonuses
  • Set expectations appropriately
  • Document in offer letter

For employees

  • Ask if company provides 13th month pay
  • Understand calculation method
  • Confirm timing of payment
  • Clarify pro-ration for first year
  • Get written confirmation

Total compensation considerations

  • 13th month increases effective annual salary by ~8.3%
  • Should factor into compensation comparisons
  • Important for budgeting and financial planning
  • Tax implications affect net benefit
  • Part of total rewards package

How EOR providers handle 13th month pay

When using AYP:

  • Ensures compliance with mandatory 13th month pay requirements
  • Calculates pro-ration correctly
  • Processes payment on time
  • Handles proper tax withholding
  • Includes in employment contracts appropriately
  • Advises on local practices and expectations
  • Manages budgeting and cash flow
  • Provides clear payslips and documentation

Cultural significance

Year-end financial needs

  • Helps with holiday expenses
  • School fees (January start in some countries)
  • Lunar New Year expenses (China, Vietnam)
  • Christmas and holiday season (Philippines)
  • Religious celebrations (Indonesia Eid)

Employee expectations

  • Deeply embedded in compensation culture
  • Employees plan financially around it
  • Retention tool (paid at year-end)
  • Failure to pay damages employee relations
  • Part of employer value proposition

Competitive practice

  • Companies offering 13th month (where not mandatory) attract talent
  • Expected in many industries
  • Differentiator in labor market
  • Part of being competitive employer

Regional variations

  • Philippines: Enshrined in law, strictly enforced
  • Indonesia: Religious holiday allowance, significant cultural importance
  • Singapore: AWS expected, strong market practice
  • Japan: Bonus system integral to compensation culture
  • Other countries: Growing practice, especially multinational companies

Recent trends

Expansion of practice

  • More companies offering voluntarily
  • Becoming standard expectation
  • Part of total rewards evolution
  • Competitive necessity in some markets

Performance linkage

  • Some companies adding performance element
  • Base 13th month + performance bonus structure
  • Balancing guarantee with merit
  • Motivation and retention tool

Payment timing flexibility

  • Split payments increasingly common
  • Mid-year and year-end portions
  • Cash flow management for employers
  • Budget distribution for employees

Transparency

  • Clearer policies and communication
  • Better calculation explanations
  • Earlier notification of amounts
  • Integration with total rewards statements

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