The Transparency International has released annual Corruption Perceptions Index on Tuesday.

Nearly three-quarters of the 178 countries in TI's annual survey scored worse than average on the scale, which ranges from zero (perceived to be highly corrupt) to 10 (perceived to have low levels of corruption).

According to the Index, Pakistan ranked 34 in most corrupted countries. Pakistan had scored 2.4 in year 2009 and 2.5 in 2008.

Pakistan was at number 42 in 2009 but in recent year Pakistan ranked 34 with score 2.3 in corrupt countries.

Afghanistan and Myanmar share second to last place with a score of 1.4, with Somalia coming in last with a score of 1.1.

The world's most peaceful countries score the best. In the 2010 CPI, Denmark, New Zealand and Singapore tie for first place with scores of 9.3.

They were followed by Finland, Sweden, Canada and the Netherlands.

The United States was 22nd on the list, while Greece and Italy came in at 78th and 67th respectively. China was level with Greece.