The UK has a very dim view of Corruption in Politics after a few MPs got caught fiddling their expenses, they view this as corruption when in truth it is fraud.
Syphoning off billions into contracts held by relatives, writing laws to the advantage of companies owned by relatives or simply filling your back bedroom with cash skimmed off bids for public works is likely beyond the belief of most people in the developed world but standard practice here in Thailand.
Singapore once again scores high on the charts but then they have a saying in Singapore, 'Don't look behind the house'.
The Index is rightly called the Perception Index, in parts of the world a journalist writing about corruption might find himself, out of work, in court for revealing state secrets, in court of libel or dead.