National Insurance Number
A unique identifier (format: AB 12 34 56 C) used to track your National Insurance contributions and tax records.
Key Points
- ✓Key aspect of the UK national insurance system
- ✓Understanding this helps optimize your tax position
- ✓Use Calcedia calculators to see the impact on your finances
- ✓Consult HMRC guidance for official information
Detailed Explanation
National Insurance Number is an important concept in the UK national insurance system. Understanding it helps you better manage your finances, optimize your tax position, and make informed decisions about your employment and benefits.
This term relates to how your contributions are calculated.
For a more comprehensive understanding of how this affects your specific situation, consider using our free UK salary calculator to see the real impact on your take-home pay.
Practical Examples
- •Use our take-home pay calculator to see how national insurance number affects your salary directly.
- •The exact impact depends on your personal circumstances including your income level, tax code, and other factors.
Frequently Asked Questions
Related Terms
Class 1 National Insurance
National Insurance contributions deducted from employed earnings, paid by both employee (8-12%) and employer (13.8%).
Class 2 National Insurance
Fixed-rate weekly NI contributions paid by self-employed people earning over £12,570 per year.
Class 4 National Insurance
Profit-based NI contributions paid by self-employed people (6% on profits £12,570-£50,270, 2% above).
State Pension
A regular payment from the government when you reach State Pension age (currently 66), based on your National Insurance record.