- Dating back to 1911, national insurance was first implemented so working class people had some insurances against illness and unemployment.
- This was expanded after WW2 to help fund the NHS and other social security schemes.
- The Government has set national insurance at 12p for every pound earned.
- It has grown up in parallel with income tax, which traces its roots to the 18th century and is administered separately.
More top news
David Cameron is facing growing pressure for the UK to take in more of the many thousands of migrants fleeing to Europe.
China has put on its biggest display of military might in a parade to commemorate victory over Japan in World War Two.
Hungarian Prime Minister Viktor Orban is to meet with European Union leaders in Brussels today to discuss the migration crisis.