This one could do with a little more investigation, methinks!
European Social Charter
European Committee of Social Rights
17. Article 12 .Right to social security
Paragraph 1 Existence of a social security system ……………….
The Committee concludes that the situation in United Kingdom is not in conformity with Article12§1 of the Charter on the ground that:
the minimum levels of short-term and long-term incapacity benefit is manifestly inadequate;
the minimum level of state pension is manifestly inadequate;
the minimum level of job seeker’s allowance is manifestly inadequate