Peter Day's World of Business

Japan is ageing faster than anywhere else, and the population is shrinking. 2012 is the crunch year as many of their baby boomers reach retirement age. How will Japan manage an economy where their healthy pensioners might survive at least another 20 years and younger citizens don't seem to want to have children? So how will Japan cope and who will pay the bill? Producer: Julie Ball Editor: Stephen Chilcott