Sudan is, without a doubt, one of the most challenging environments for anti-corruption in the world. Corruption is present in all sectors and across all branches and levels of government: public servants are known to demand bribes for services that individuals or companies are legally entitled to; government officials hold direct and indirect stakes in many enterprises, which distorts the market through patronage and cronyism; and the head of state and government is believed to have embezzled up to US$9 billion from oil revenues. This U4 Expert Answer provides a general overview of the nature and extent of corruption in the country, the state of its legal and institutional framework to prevent it, as well as its presence across different sectors of the economy.