Numbers of the Year 2015 - Part One

Available for over a year

How has the European migrant crisis affected the number of people seeking asylum? In this special programme Tim Harford looks back at some of the numbers making the news in 2015. He speaks to Leonard Doyle from the International Organisation for Migration and Claire Melamed from the Overseas Development Institute. (Image: Migrants and refugees cross the Greek-Macedonian border. Credit: Getty Images)