Progressive PIT bands. 10×-MW ceiling. Mongolia payroll, solved.
Mongolia’s payroll is not a configuration exercise. It demands a five-branch social insurance engine, the 2023 shift from flat 10% to progressive PIT now layered with the new MNT 800,000 monthly tax-free threshold, a contribution ceiling pinned to 10× the minimum wage, and industrial-accident rates that change with each employer’s risk class. Most providers deliver two of these. Mercans delivers all of them – on a single proprietary stack with no intermediaries.
native payroll
vs nearest peer
since inception
- Income Tax (PIT)
- 10% / 15% / 20% progressive
- Corporate Tax (CIT)
- 10% to MNT 6bn, then 25%
- Employer Social Insurance
- 12.5–14.5% by industry
- Employee Social Insurance
- 11.5% · capped
- Pension (Superannuation)
- ER 8.5% + EE 8.5%
- Health Insurance
- ER 2% + EE 2%
- PIT-Free Threshold
- MNT 800,000 / month
- Contribution Ceiling
- MNT 910,800 EE cap / month
- Overtime Standard
- 150% (200% on holidays)
- Notice Period
- 30 days
- Annual Leave
- Min 15 working days
- Minimum Wage
- MNT 792,000 / month
- PIT Withholding
- By 10th of next month
- Social Insurance Filing
- Monthly · SIGO
- Data Protection
- PDPL in force (2022)





Payroll compliance: the details that can’t be missed
Mongolia’s regulators don’t grade on a curve. The General Department of Taxation (GDT) audits PIT withholding against the progressive bands and the new MNT 800,000 monthly tax-free threshold. The Social Insurance General Office (SIGO) reconciles five-branch contributions per worker against the 10× minimum-wage ceiling. Industrial-accident risk classes and the 2023 shift from flat to progressive PIT create silent miscalculation risk. None of these failures announce themselves – they accumulate until an audit makes them very visible.
Progressive PIT band + threshold errors
Mongolia moved from a flat 10% to progressive 10/15/20% on employment income in 2023, and from 2026 exempts the first MNT 800,000 per month. Systems still applying a flat rate, or misplacing the tax-free band, under- or over-withhold PIT on every run – corrected on GDT reconciliation with penalty interest.
Social insurance ceiling miscalculation
Employee contributions are capped at MNT 910,800 per month – 11.5% of a base ceiling of MNT 7,920,000 (10× the minimum wage). Over-withholding above the ceiling creates employee disputes and incorrect SIGO filings; the ceiling re-bases whenever the minimum wage changes.
Industrial-accident risk-class error
The employer industrial-accident and occupational-disease branch is 0.5%, 1.5% or 2.5% depending on the employer’s risk class – not a single flat rate. Applying the wrong class silently under-remits, and SIGO reassessment recovers the shortfall with penalties on reclassification.
Service-contract misclassification
Engaging workers on civil or service contracts when the relationship is de facto employment triggers retroactive back-payment of all five social-insurance branches plus PIT. GDT and SIGO reconcile declarations against actual working patterns, and reclassification carries administrative fines.
The three types of providers who struggle with Mongolia
Global Aggregator Platforms
Platforms like Deel, Remote, and Rippling operate through a partner network in Mongolia – they don’t own the entity, don’t directly file with the GDT or SIGO, and don’t control the compliance relationship. When regulations change, the instruction travels: platform → partner → your payroll. Each handoff introduces delay and interpretation risk.
- ×No direct GDT relationship – third-party intermediary handles e-Tax filings
- ×Progressive PIT band + MNT 800k threshold logic partner-dependent
- ×Industrial-accident risk-class mapping frequently mishandled
- ×Regulatory updates filtered through partner SLAs, not live
Large Global Payroll Incumbents
ADP, Ceridian, and similar incumbents have Mongolia coverage – in name. In practice, their APAC coverage is often delivered through regional partners or legacy systems that weren’t built for Mongolia’s five-branch social insurance, the 10×-MW contribution ceiling, or the 2023 progressive PIT transition.
- ×Progressive PIT bands hardcoded – not dynamically re-based
- ×10×-MW contribution ceiling handled manually each year
- ×Industrial-accident risk class treated as a single flat rate
- ×Long implementation timelines – Mongolia not a core market
Local Mongolian Firms
Local Mongolian accounting and bookkeeping firms know the market – but they can’t scale with you. No payroll technology platform, no HRIS integration, no multi-country consolidation, and no data security certifications that multinationals require. Fine for 10 employees. Inadequate at 100.
- ×No proprietary payroll technology – manual spreadsheet-based processing
- ×No HCM connector – Workday, SAP, Oracle feeds require custom work
- ×No data security certifications (SOC 1/2, ISO 27701, BCR)
- ×No APAC consolidation – cannot report across regional entities
The only provider that closes every gap
Mercans is the only Mongolia payroll provider that combines a proprietary payroll technology stack, full-time in-country compliance teams, direct GDT and SIGO relationships, and enterprise-grade data security – simultaneously, on one contract, with no intermediaries.
The only engine built for Mongolia’s actual payroll architecture
G2N Nova™ is the world’s only API-first gross-to-net payroll engine. It natively models Mongolia’s five social-insurance branches – pension, benefit, health, unemployment, and industrial accident – as distinct calculation layers, applies the progressive PIT bands with the MNT 800,000 monthly threshold, enforces the 10×-minimum-wage contribution ceiling, and auto-generates GDT e-Tax and SIGO outputs. This isn’t configuration. It’s engineering.
Full-time Mongolia team – not a partner you phone when things break
Mercans employs full-time payroll and compliance professionals in Mongolia. They maintain active relationships with the GDT, SIGO, and the Ministry of Labour and Social Protection – not through a contact directory, but through ongoing regulatory engagement. When the tax authority revises the PIT bands, when SIGO changes the contribution ceiling, when a risk class is re-graded – we know before it reaches your inbox.
The security posture multinationals require – and Mongolia’s PDPL now mandates
Mongolia’s Law on Personal Data Protection (PDPL), in force since 1 May 2022, requires payroll processors handling employee personal data to maintain documented privacy controls and to restrict cross-border transfers without consent. Mercans holds BCR approval, ISO 27701 certification, SOC 1 & 2 certifications, and ISO 27017/27018 – the complete certification stack multinationals expect. Zero security breaches since inception.
Where Mercans wins on every Mongolia-specific capability
Each row is a Mongolia-specific capability. Each cell shows native coverage as a fill bar – full = native in-platform, half = partial / manual workaround, empty = gap.
Mongolia Capability Coverage · 10 dimensions
10 / 15 / 20% · MNT 800k free
0.5 / 1.5 / 2.5% by grade
Workday · SAP · Oracle
Every rate. Every cap. Every obligation.
Mongolia payroll operates on exact numbers with hard deadlines. Mercans builds every figure below into G2N Nova™ and monitors them proactively – so you’re never discovering a rate change from a penalty notice.
Mongolia · Rate & Compliance Dashboard
Live 2025–26Progressive PIT With a New Tax-Free Threshold
Employment income moved from a flat 10% to progressive 10/15/20% bands in 2023, and from 2026 the first MNT 800,000 a month is exempt. Non-residents pay a flat 20%. Both the bands and the threshold must be applied on the correct base, or GDT reconciliation surfaces the gap. Mercans’ G2N Nova™ tracks them dynamically – not as hardcoded values.
→ Progressive bands + MNT 800k threshold in G2N Nova™Social Insurance Caps at 10× the Minimum Wage
Employee contributions of 11.5% are capped at MNT 910,800 a month – 11.5% of a base ceiling of MNT 7,920,000, or 10× the MNT 792,000 minimum wage. The ceiling re-bases whenever the minimum wage changes, so a single wage revision moves the cap. Treating it as a fixed value silently over-withholds on high earners.
→ Dynamic 10×-MW ceiling logic in G2N Nova™Industrial-Accident Rate Is Risk-Class Specific
The employer industrial-accident and occupational-disease branch is 0.5%, 1.5% or 2.5% depending on the employer’s graded risk class, pushing total employer social insurance from 12.5% to 14.5%. The other four branches – pension 8.5%, benefit 1%, health 2%, unemployment 0.5% – are fixed. The correct class must be applied per entity.
→ Per-entity risk-class rate applied in G2N Nova™Filing and Payment Run on Split Cadences
Withheld PIT is paid by the 10th of the following month, the withholding report is filed quarterly by the 20th of the first month after the quarter, and the annual PIT return is due by 15 February. Social insurance is reported and paid monthly to SIGO. Mercans absorbs every cadence as standard scope.
→ Monthly, quarterly, and annual cycles managed in G2N Nova™Run a Mongolia payroll. Right here, right now.
Switch worker type. Move the slider. Every number you see is the same calculation G2N Nova™ runs in production – five-branch social insurance, the 10×-minimum-wage ceiling, the progressive PIT bands with the MNT 800,000 tax-free threshold, and true cost of employment exposed live.
Mongolia Social Contribution Calculator · Live
G2N Nova™ engineEight things only Mongolia experts know to handle
These are the compliance details that don’t appear in standard payroll setup guides – but appear in every GDT audit, SIGO reconciliation, and labour dispute we’ve encountered in Mongolia.
Employment PIT Is Progressive – No Longer a Flat 10%
Since 2023 employment income is taxed on progressive bands: 10% up to MNT 120 million a year, 15% from MNT 120–180 million, and 20% above MNT 180 million. Non-residents pay a flat 20%. Systems still applying the old flat 10% under-withhold on higher earners.
The First MNT 800,000 Per Month Is Tax-Free from 2026
From 1 January 2026, monthly employment income up to MNT 800,000 (MNT 9.6 million a year) is exempt from PIT – a zero-rate band beneath the progressive schedule. The January boundary is a live risk: runs must switch to the new threshold precisely on the calendar change.
Social Insurance Is Capped at 10× the Minimum Wage
Employee contributions of 11.5% are capped at MNT 910,800 per month – 11.5% of a base ceiling of MNT 7,920,000, which is 10× the MNT 792,000 minimum wage. The ceiling re-bases whenever the minimum wage changes, so hardcoded caps silently over-withhold.
Industrial-Accident Rate Depends on the Employer’s Risk Class
The employer industrial-accident and occupational-disease branch is 0.5%, 1.5% or 2.5% depending on the employer’s risk class – not a single rate. Total employer social insurance runs 12.5% to 14.5% as a result. Applying the wrong class under-remits and triggers SIGO reassessment.
PIT Withholding, Reporting, and the Annual Return Run on Split Cadences
Withheld PIT is transferred by the 10th of the following month, the withholding report is filed quarterly by the 20th of the first month after the quarter, and the annual return is due by 15 February. Social insurance is reported and paid monthly to SIGO. The split cadence trips up many systems.
Severance Scales With Length of Service Under the 2021 Labour Law
Redundancy severance is at least one month’s basic salary for 6 months to 2 years of service, two months for 2–5 years, and three months for 5–10 years, rising further beyond. The notice period is 30 days. Miscalculating the service tier is a common termination-run error.
Non-Residents and Foreign Workers Follow a Distinct Profile
Non-resident employees are taxed at a flat 20% on Mongolian-source employment income, with no progressive relief. Foreign nationals generally require a work permit tied to employer quotas, and social-insurance liability depends on residency and treaty status. Classification drives the whole calculation.
Overtime, Holiday Work, and Leave Carry Statutory Minimums
Overtime and rest-day work is paid at not less than 1.5× the hourly rate, and public-holiday work at 2×, capped at 4 hours a day and 120 hours a year. Paid annual leave is a minimum of 15 working days, rising with length of service. Under-18 workers receive 20 days.
One workforce. Two entirely different compliance tracks.
Permanent resident employees on the full five-branch regime vs. non-resident expats and fixed-term workers on a distinct profile requires two separate compliance frameworks, two sets of PIT rules, and two different treatments of social insurance. Mercans runs both simultaneously on every pay cycle.
Parallel Compliance Engines
All five social-insurance branches apply from Day 1. Employee 11.5% (pension 8.5%, benefit 0.8%, health 2%, unemployment 0.2%) is deducted; the employer pays 12.5–14.5% across pension, benefit, health, unemployment, and industrial accident by risk class.
PIT is progressive after the tax-free threshold. Taxable income is gross less the employee social-insurance contribution; the first MNT 800,000 a month is exempt, then 10%, 15% and 20% bands apply on the annual thresholds of MNT 120m and MNT 180m.
The contribution ceiling caps employee deductions. Employee contributions are capped at MNT 910,800 a month – 11.5% of a base ceiling of MNT 7,920,000, equal to 10× the minimum wage – and the cap re-bases with each wage revision.
PIT paid monthly, reported quarterly, reconciled annually. Withheld PIT is transferred by the 10th, the report is filed quarterly by the 20th of the next quarter, and the annual return is due 15 February; social insurance is reported to SIGO monthly.
Residency status drives the whole calculation. Non-residents are taxed at a flat 20% on Mongolian-source employment income with no progressive relief, while tax residents follow the same 10/15/20% bands as locals.
Social-insurance liability depends on status and treaty. Whether a foreign worker joins the five-branch scheme depends on residency and any social-security treaty; the basis for any exemption must be documented, as the default assumption is that contributions apply.
Work permits and quotas gate foreign hiring. Foreign nationals generally require a work permit tied to employer quotas before employment can begin. Standard PIT obligations apply to permitted workers regardless of status.
Fixed-term staff follow the same fund rules. No reduced contribution rates apply to fixed-term resident staff – the full five-branch social insurance and progressive PIT apply identically, subject to the same 10×-MW ceiling.
Every obligation. Every authority. Mercans owns the calendar.
Mongolia compliance runs across the GDT, SIGO, and the Ministry of Labour and Social Protection on monthly, quarterly, and annual cadences. Mercans’ managed payroll absorbs every filing as standard scope – you don’t track deadlines. We do.
PIT Withholding Payment
PIT withheld from employment income is transferred to the GDT by the 10th day of the following month. The progressive bands and the MNT 800,000 monthly tax-free threshold are applied per employee. Late payment triggers penalty interest.
SIGO Contribution Report & Payment
The five social-insurance branches – pension, benefit, health, unemployment, and industrial accident – are reported and paid monthly to the Social Insurance General Office, employee 11.5% and employer 12.5–14.5%, capped at the 10×-minimum-wage base.
PIT Withholding Report
The employer PIT withholding report is filed quarterly, by the 20th of the first month after each quarter, summarising withholding per employee. It is the primary reconciliation baseline the GDT audits against monthly payments.
Annual PIT Return
The annual individual income-tax return and the employer year-to-date report are submitted to the tax authority by 15 February of the following year, reconciling all withholding for the calendar year. Discrepancies trigger a GDT review.
CIT Return
Corporate income tax is 10% on the first MNT 6 billion of annual taxable income and 25% above, filed quarterly with an annual reconciliation. Deductible payroll costs are reconciled against the payroll declarations.
Industrial-Accident Risk-Class Review
The employer industrial-accident and occupational-disease rate (0.5%, 1.5% or 2.5%) depends on the entity’s graded risk class. Changes in activity can re-grade the class and move total employer social insurance between 12.5% and 14.5%.
Severance & Final Settlement
Final settlement applies service-tier severance under the 2021 Labour Law – at least one month’s salary for 6 months to 2 years of service, two months for 2–5 years, three months for 5–10 years – with a 30-day notice period and accrued-leave payout.
Work Permit & Residency Check
Foreign nationals generally require a work permit tied to employer quotas, and residency status must be established to fix PIT (flat 20% for non-residents) and social-insurance treatment. Documentation supports the profile applied on the payroll declarations.
Mongolia is one market. Mercans covers the Asia-Pacific.
For companies running payroll across multiple APAC states, complexity multiplies – not adds. Each country runs its own tax authority, social insurance body, and filing mandate. Mercans covers all major markets on a single platform with country-specific compliance engines running in parallel.
covered
1 contract
consolidation
APAC
Every filing. Every format. Submission-ready.
Mercans generates the exact file types that the GDT, SIGO, and the Ministry of Labour and Social Protection expect to receive – not formatted summaries that need reformatting before you can submit them.