Open data and original research
Belastbaar research
Comparable tax and salary data made reproducible through our canonical tax engine and reviewed source layers.
Dutch Net Salary Index 2026
- Data year
- 2026
- Review
- Generated and checked
- Formats
- csv, json
- License
- CC BY 4.0
- Updated
- 10 Aug 2026
Version: statutory-data-2026
Sources: belastingdienst.nl, rijksoverheid.nl
MethodologyView data, methodology, and downloadsMRB Province Benchmark 2026
- Data year
- 2026
- Review
- Generated and checked
- Formats
- csv, json
- License
- CC BY 4.0
- Updated
- 10 Aug 2026
Version: mrb-province-data-2026
Sources: belastingdienst.nl
MethodologyView data, methodology, and downloadsMunicipality Tax Index 2025
- Data year
- 2025
- Review
- Generated and checked
- Formats
- csv, json
- License
- CC BY 4.0
- Updated
- 10 Aug 2026
Version: municipality-source-data-2025
Sources: cbs.nl, waarderingskamer.nl
MethodologyView data, methodology, and downloadsTransparent methodology
Every release states its source year, version, assumptions, review status, and download formats. Results are informational, not personal tax advice.
Read the full methodology