One person in four has paid a bribe to a public body in the last year, according to a survey carried out in 95 countries by Transparency International.
The poor record of some African nations on bribery stands out. Sierra Leone has the highest number of respondents admitting to having paid a bribe - 84% - and seven out of nine of the countries with the highest reported bribery rate are in sub-Saharan Africa. See the list below. The countries with the lowest reported bribery rate are Denmark, Finland, Japan and Australia, they all have a bribery rate of 1%.
with list of countries and map:
http://www.bbc.co.uk/news/business-23231318