=10. Democratic Republic of Congo (CPI score: 22)
As the nation emerges from a long period of violence and instability, it struggles with a legacy of entrenched corruption at all levels. The DRC is the second largest country in Africa.
=9. Zimbabwe (CPI score: 21)
Corruption in Zimbabwe has become endemic within its political, private and civil sectors. In 2011, finance minister Tendai Biti claimed that at least $1 billion in diamond related revenue owed to the national treasury remains unaccounted for.
8. Burundi (CPI score: 20)
Despite the establishment of anti-corruption agencies, Burundi is remains a corrupt country in sub-Saharan Africa.
=6. Angola (CPI score: 19)
Corruption is a pervasive phenomenon in Angola. The current government is working on containing corruption by enacting laws and enforcing integrity systems.
=6. Guinea Bissau (CPI score: 19)
Guinea Bissau was once hailed as a potential model for African development. Today it is one of the poorest nations in the world. This is largely due to corruption among high-ranking officials.