How did Nigeria perform in the 2012 Corruption Perception index?

The Corruption Perception Index is produced by Transparency International, a global civil society organisation focused on fighting corruption. It ranks countries based on how corrupt their public sector is perceived to be. This year, an update was made on the methodology used to measure the index. The measurement is now based on a scale of 0 to 100 with a score of 0 perceived as "highly corrupt" and 100 "very clean". Nigeria ranked 139 out of 176 countries with a score of 27.

In Sub-Sahara Africa, Botswana ranked the best at 30 with a CPI score of 65. Cape Verde ranked the best in the West African region with a position of 39 and CPI score of 60.Ghana ranked 64 with a CPI score of 45.  Nigeria ranked the 3^rd most corrupt country in the West African Region. Please see table below showing Nigeria’s performance in comparison with other West African countries.

Performance of West African Countries in the 2012 Corruption Perception Index

	Position	Country	Rank	Score
	1	Cape Verde	39	60
	2	Ghana	64	45
	3	Liberia	75	41
	4	Burkina Faso	83	38
	5	Benin	94	36
	6	Senegal	94	36
	7	Gambia	105	34
	8	Mali	105	34
	9	Niger	113	33
	10	Sierra Leone	123	31
	11	Mauritania	123	31
	12	Togo	128	30
	13	Cote d’Ivoire	130	29
	14	Nigeria	139	27
	15	Guinea Bissau	150	25
	16	Guinea	154	24

http://cpi.transparency.org/cpi2012/results/