Not in this country. That's the problem countries like Germany have because in their system contributions made now pay for pensions now. Whereas as I understand it, NI operates a lot like a commerical pension fund - the money paid in now is invested in order to pay for the pensions of the contributors. The article focused on longer life expectancy as the problem.
Correction. According to the BBC (http://www.bbc.co.uk/business/info/basics/articles/tax265.shtml)
In the past NICs were treated as a independent pot of government money used specifically to fund social security benefits ... But now the money raised goes into the general Treasury coffers
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