Regular Budget Supplementary Account

The ILO’s funding base consists of assessed and voluntary contributions. Voluntary contributions include the Regular Budget Supplementary Account (RBSA), which allows development partners to provide un-earmarked core funding to the ILO, increasing the Office’s capacity to deliver and achieve results at country level.

The ILO allocates RBSA funds flexibly when and where they are most needed. As a priority, RBSA resources are allocated to ODA-eligible countries, and are aligned with the results-based framework of the ILO.

In 2022-23, nine governments supported the RBSA with contributions totaling US$ 31.6 million (as at 31 December 2023).

Contributions to ILO's core voluntary funding (RBSA)

All figures in US$ (‘000); all figures as at 31 December 2023


  1. RBSA meeting, November 2016

    Overview of Evaluation of RBSA in the ILO

    01 November 2016

    Overview and main outcomes of the evaluations of the Regular Budget Supplementary Account (RBSA) from 2010 to 2016

  2. RBSA meeting, November 2016

    RBSA review recommendations table

    01 November 2016

    RBSA Review Recommendations (September 2014) and ILO responses (December 2014 interim response and October 2016 update)

  3. RBSA meeting, November 2016

    Updates on RBSA allocations in 2016

    01 November 2016

    Presentation on updates about RBSA allocations made in 2016

  4. RBSA Meeting

    Meeting on ILO’s core voluntary funding (RBSA), November 2016

    The regular informal RBSA donors’ meeting took place on 1st November 2016 at the ILO HQ, organised on the margins of the ILO Governing Body.


  1. Document

    Regular Budget Supplementary Account (RBSA): Review, March 2020

    30 September 2014

    ILO commissioned this review of its RBSA funding modality to assess its efficiency and impact as well as how it can be expanded. Organised into three parts, the review examines a) the performance of RBSA interventions, based on ILO evaluation report findings, b) the programming guidance and procedures applied to the RBSA, and c) the RBSA strategy, both based on staff interviews and documentary evidence.