The basics
National Insurance
A UK tax on earnings, paid by employees and employers, that funds the state pension and some benefits.
A plain-English explanation, not financial or tax advice. Rules and rates change, so check your own situation. For free, impartial guidance, try MoneyHelper. Disclaimer.
You'll hear it as
Contractors outside IR35 don't pay employer's National Insurance.
Related terms.
Videos.
No video mentions National Insurance by name yet. These are on the same topic, Careers & hiring.