We use some essential cookies to make this website work.
We’d like to set additional cookies to understand how you use GOV.UK, remember your settings and improve government services.
We also use cookies set by other sites to help us deliver content from their services.
You have accepted additional cookies. You can change your cookie settings at any time.
You have rejected additional cookies. You can change your cookie settings at any time.
Departments, agencies and public bodies
News stories, speeches, letters and notices
Detailed guidance, regulations and rules
Reports, analysis and official statistics
Consultations and strategy
Data, Freedom of Information releases and corporate reports
Information on how to find your National Insurance number and how to get a letter with your National Insurance number on.
Find out if you've paid enough National Insurance to qualify for the full State Pension - check gaps, contributions and credits, get a National Insurance statement, call the helpline.
Apply for your first National Insurance number - you must have the right to live and work in the UK.
You can apply for a National Insurance number if you: live in the UK have…
To get a National Insurance number you need to apply online. You’ll need…
Class 1 National Insurance (NI) contribution rates for the current tax year, what NI category letters mean.
How to tell HMRC if there's a change to your personal details - address, name, income, marital status, gender
National Insurance contributions you can choose to pay when you have a gap in your National Insurance record.
National Insurance - your National Insurance number, how much you pay, National Insurance rates and classes, check your contributions record.
Who can get National Insurance credits and how to apply or when to pay voluntary National Insurance contributions.
National Insurance contributions if you're self-employed - rates and exceptions.
Tell HMRC if you've stopped being self-employed, or you're ending or leaving a business partnership - responsibilities, tax returns, letting any employees know.
Additional State Pension, also known as the State Second Pension or SERPS, is extra money on top of your basic State Pension.
How to pay Class 2 self-employed National Insurance contributions - online, bank transfer, cheque, payslips.
Getting help with tax returns, allowances, tax codes, filling in forms and what to do if you owe HMRC
How to pay your voluntary Class 3 National Insurance contributions - online, Direct Debit, bank transfer, cheque.
Find out if you need to pay National Insurance in the UK or in the country you are visiting when you work abroad.
Find out how to claim a refund on the National Insurance (NI) you’ve paid to HM Revenue and Customs (HMRC).
Age-related tax allowance, calculating tax if you carry on working, National Insurance payments
Use this form if you need confirmation of your employment history to make a claim for compensation.
Claim or transfer Class 3 National Insurance credits using form CF411A.
How to stop or start paying the reduced rate of National Insurance (NI) as a married woman or widow, how it affects your benefits.
Don’t include personal or financial information like your National Insurance number or credit card details.
To help us improve GOV.UK, we’d like to know more about your visit today. Please fill in this survey (opens in a new tab).