Risk experts have become increasingly concerned about prospects for the majority of African sovereign borrowers that are considering issuance in 2015. Will investors demand a premium?

The majority of Central and Eastern European sovereigns have been upgraded by Euromoney's country risk survey since the third quarter of 2014. Hungary is still irking the experts with its heightened political risks, but elsewhere there are still reasons to be cheerful about the region’s prospects.

The sovereign’s risk score is sliding again, raising doubts over its safety.