---
title: "What are national insurance contributions?"
term: "National insurance contributions"
description: "National insurance contributions fund schemes such as AOW and are combined with income tax in the Box 1 bracket rates for people below AOW age."
date: 2026-08-02T00:00:00.000Z
lastVerified: 2026-08-02T00:00:00.000Z
source: https://dutchtaxcalculator.nl/glossary/national-insurance
---

# What are national insurance contributions?

> National insurance contributions fund schemes such as AOW and are combined with income tax in the Box 1 bracket rates for people below AOW age.

Dutch term: _premies volksverzekeringen_

The combined rate you see in planning tables often includes both income tax and national-insurance components for the relevant age group.

## FAQ

### What is National insurance contributions in simple terms?

National insurance contributions fund schemes such as AOW and are combined with income tax in the Box 1 bracket rates for people below AOW age.

### Is this personal tax advice?

No. These pages are educational estimates. Use your payslip, assessment, employer, Belastingdienst guidance, or a qualified adviser for personal decisions.


## Sources

- [Belastingdienst: income-tax rates and credits](https://www.belastingdienst.nl/wps/wcm/connect/nl/werk-en-inkomen/content/hoeveel-inkomstenbelasting-betalen)

---
Source: https://dutchtaxcalculator.nl/glossary/national-insurance