child benefit 
noun [mass noun]
(In the UK) regular payment by the state to the parents of a child up to a certain age: child benefit will go up to £10 a week...
- To that end, child benefit payments to all parents regardless of income will level off once promised increases are met.
- One said he was paying €9,000 a year in childcare but the cost would remain high to parents even with increased child benefit payments.
- The Post Office wishes to assure its customers that they can continue collecting pensions, child benefit and other benefits from the Post Office.