Nigeria's endless cycle of corruption
9 July 2013 Last updated at 21:40 BST
A new corruption survey by Transparency International shows that nine out of ten of the countries with the highest reported bribery rate in the world are in Africa.
A country that this year did not make the top ten, but where 44% of respondents admitted to having paid a bribe, is Nigeria.
In Lagos, BBC Africa's Tomi Oladipo has been finding out how corruption affects various sectors of society.
For more African news from the BBC, download the Africa Today podcast.