greater efforts are also needed to make the delivery of social services such as education health housing and water and sanitationresponsive to the specific needs of women and girls in fact some countries such as argentina and china have scaled up their investments in social protection in response to the recent economic crises even for the poorest countries providing a basic benefit package along the lines of the united nations spf is within reach it has been estimated for example that the introduction of universal social pensions would cost around per cent of gross domestic product gdp per year in most countries of subsaharan africa