Economic frustration has spawned Trump and Brexit, warns UN labour chief

Rise in zero-hours contracts, gig economy and unreliable pay have fed revolt, says ILO boss Guy Ryder

Politicians around the world risk giving more traction to nationalistic movements if they continue to ignore the growing numbers of workers getting a "raw deal" from globalisation, the head of the UN's labour agency has warned.

The director general of the International Labour Organization (ILO), Guy Ryder, described Donald Trump's victory in the US presidential election and the UK's vote for Brexit as "the revolt of the dispossessed" and gave a damning assessment of the establishment's failure to offer an alternative to protectionism.

Related: Neoliberalism: the deep story that lies beneath Donald Trump's triumph | George Monbiot

Related: We are living in a depression - that's why Trump took the White House

Related: He's right, the economy is sick - and businesses like Trump's are part of the disease | Mariana Mazzucato