8 minuten

Calculating your WIA benefit amount during track 2

Calculating a WIA benefit amount means estimating what income support you may receive after two years of sickness, based on your (capped) insured wage and the disability percentage determined by UWV. During a Dutch “spoor 2” (track 2) reintegration path, that estimate often influences choices about suitable work, building up hours, and wage agreements. The exact amount is only confirmed after UWV’s WIA assessment, but you can still model realistic scenarios upfront. This article explains the logic, the inputs you need, and how track 2 can affect the outcome.

Why WIA calculations matter during track 2

Calculating your WIA benefit amount during track 2 is usually a practical step, not just curiosity. Track 2 is the route used when returning to your own employer (track 1) is not feasible, and the focus shifts to work with another employer. It runs alongside the Dutch Gatekeeper Improvement Act obligations and typically leads into a WIA application near the end of the second sickness year.

Estimating the WIA amount helps you understand the financial impact of starting a trial placement, accepting part-time work, or working with reduced productivity. In many cases, income becomes a mix of wages plus a possible WIA component. Knowing the ranges makes discussions with your employer, case manager, and reintegration coach more concrete.

Timing and documentation also matter. If track 2 starts too late or is poorly substantiated, UWV may judge the employer’s efforts insufficient, which can affect salary continuation and the moment WIA starts. For background, it helps to understand what track 2 reintegration is in practice.

  • Use calculations to compare scenarios: WGA partial, WGA 80–100, or IVA.
  • Estimate the income effect of working partly during or after track 2.
  • Identify missing inputs such as the insured wage basis or remaining earning capacity.
  • Make better-informed choices about sustainable suitable work.

What determines the amount of a WIA benefit?

Estimating your WIA benefit starts with the building blocks UWV uses. The WIA has two main schemes: WGA (Return to Work for Partially Disabled) and IVA (Income Provision for Fully and Sustainably Disabled). Which one applies depends on the degree of disability and whether the situation is considered sustainable (long-term) in UWV’s assessment.

A key factor is your WIA wage basis: the insured wage (sv-loon) averaged over a reference period before sickness, capped at the statutory maximum daily wage. UWV does not calculate benefits on earnings above that cap. The second factor is the disability percentage, derived from the difference between your former earning capacity and what UWV believes you can still earn in suitable jobs.

Within WGA, the phase matters: a wage-related benefit may be followed by a wage supplement or a lower follow-up benefit. The difference is substantial and depends on whether you work sufficiently relative to your remaining earning capacity. This is determined in the UWV WIA assessment.

  • WIA wage basis: insured wage, capped at the statutory maximum daily wage.
  • Disability percentage: determined by UWV’s medical and labour experts.
  • Scheme: WGA or IVA (sustainability is decisive for IVA).
  • Work situation: how much you work relative to remaining earning capacity (WGA).
  • WGA phase: wage-related, wage supplement, or follow-up.

How UWV calculates a WIA amount, step by step

To estimate a WIA benefit reliably, follow UWV’s logic. Step one is establishing the wage basis (WIA monthly wage). This becomes the reference for later percentages. You can often approximate it using payslips and annual statements that show insured wage components.

Step two is the medical and labour assessment. The insurance physician records functional limitations, often structured in an FML (Functional Abilities List). The labour expert selects suitable jobs and calculates your remaining earning capacity. The disability percentage reflects the loss of earning capacity compared to your previous level.

Step three is deciding whether it is WGA or IVA. IVA requires full and sustainable disability. WGA includes partial disability (35%–80%) and also 80%–100% when sustainability is not established. Two people with similar limitations can still end up in different schemes depending on recovery expectations and labour-market assumptions.

Step four is the WGA benefit type after the wage-related period. Working enough can lead to a wage supplement; working too little can result in the lower follow-up benefit. If you suspect the decision no longer matches your situation, a WIA reassessment may be relevant when there is materially new medical or labour information.

  • Estimate the wage basis using insured wage data and the statutory cap.
  • Model the disability percentage via loss of earning capacity.
  • Check whether the situation points to WGA or IVA (sustainability matters).
  • For WGA, include the impact of working on the later benefit type.

Practical examples: how partial work in track 2 can affect income

Estimating your WIA benefit becomes meaningful when you include wages from work. Example: UWV assesses you at 45% disabled, which places you in WGA. If, during track 2, you already found suitable work for 24 hours per week, that can be favourable because working influences which WGA benefit applies after the wage-related phase.

Another scenario: you are assessed at 80%–100% disabled, but recovery is still considered possible. You may be in WGA 80–100. In that case, realistic matching and sustainable build-up matter. A job that is too demanding can lead to relapse and delays, while a feasible build-up demonstrates sustainable employability within limits.

A third scenario: limitations are stable and severe, and UWV qualifies it as full and sustainable disability (IVA). Track 2 may still have been initiated, but the emphasis shifts towards stability and preventing overload, and the benefit logic differs from WGA.

To make work capacity more objective, a wage value assessment can support wage agreements and strengthen the reintegration narrative.

  • In WGA, working sufficiently can later mean wage supplement instead of follow-up benefit.
  • In WGA 80–100, sustainability is not established; sustainable build-up still matters.
  • In IVA, the sustainability criterion and stable limitations are central.
  • Objective evidence (wage value, job matching) reduces disputes later.

Inputs you need for a realistic self-check

Estimating a WIA benefit without the right inputs creates false certainty. Start with insured wage data and verify whether variable components were structurally included. Not every allowance counts in the same way; UWV looks at wages subject to employee insurance contributions.

You also need a view of functional capacity and expected earning capacity. The company doctor advises on capacity for reintegration, but UWV sets the formal limitations in the WIA assessment. Document work trials, adjustments, and build-up carefully. This fits the broader framework of two-year salary continuation during sickness, because WIA typically starts after that period ends.

Finally, keep your track 2 documentation complete: applications, labour-market orientation, meetings, and placements. If UWV judges reintegration efforts insufficient, the employer may face a sanction, which can affect the timing of WIA and your income planning. It also helps to know when a reintegration track ends and what evidence is expected.

  • Wage inputs: insured wage data, payslips, annual statements, structural allowances.
  • Documentation: plan of action, evaluations, track 2 activities and outcomes.
  • Capacity: substantiated functional limits without sharing medical details with the employer.
  • Work facts: hours, wages, adjustments, support, and any wage value outcomes.

Common mistakes when estimating WIA amounts (and how to avoid them)

A frequent mistake is confusing the disability percentage with “how ill” someone is. UWV does not assess diagnosis; it assesses functional limitations and earning capacity. As a result, a serious condition can still lead to a lower percentage if suitable jobs are deemed feasible.

Another mistake is ignoring the statutory maximum daily wage cap. People with higher salaries often overestimate outcomes. Conversely, people may underestimate how a lower-paid track 2 job can affect total income, even with a WIA component. Use multiple scenarios: no work, partial work, and work based on wage value.

A third mistake is focusing only on the start of WGA and overlooking what happens after the wage-related phase. That is where the largest income differences often occur. Working too little relative to remaining earning capacity can mean a much lower benefit. This is also why a track 2 reintegration programme should aim for sustainable placement, not just placement.

Finally, people forget that circumstances can change. Health may improve or worsen, actual earnings may differ from theoretical capacity, and new information can emerge. In that case, reassessment or adjustments may become relevant.

  • Do not equate diagnosis with the UWV disability percentage; it is about earning capacity.
  • Account for the statutory wage cap; avoid using uncapped gross salary.
  • Include the post wage-related WGA phase; it often determines the real difference.
  • Use scenarios and update them when work or health changes structurally.
Written by
Meta Marzguioui - de Zeeuw
Published on
April 2, 2026

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