It's always a delight to be introduced to economic data that confounds you, and this BBC Newsnight piece is no exception, ranging widely across the global economy in search of data that every delegate at Davos should be aware of...
The clip is excellent:
Look out for any statistics that support any likely area of extended writing that you are likely to be asked about. There should be something for everyone, from lots of China material to other bits and bobs, some of it surprising and some of it seemingly straightforward, but all of it thought-provoking. It might be quite a nice activity to do at the beginning or end of a lesson, asking everyone to choose a statistic and explain (a) why it is pertinent and (b) the economic principles that might explain it.