As world leaders descend on New York this week for the UN general assembly, the funding of international development programmes will be high on the agenda – given that efforts to meet the sustainable development goals (SDGs) are estimated to cost as much as $4.5tn (£3.4tn) annually – more than the US federal budget. Western aid agencies, led by committed staff on the ground, are doing everything they can to raise the funds needed to help people suffering from poverty and insecurity everywhere. But there is a disconnect between the providers of development aid – which totalled $131bn in 2015 – and its recipients.