Israel ranked 28th in world corruption, according to Transparency International's Corruption Perceptions Index 2005. More than two-thirds of the 159 nations surveyed scored less than 5 out of a clean score of 10, indicating serious levels of corruption in a majority of the countries. "Corruption is a major cause of poverty as well as a barrier to overcoming it," said Transparency International Chairman Peter Eigen. "The two scourges feed off each other, locking their populations in a cycle of misery. Corruption must be vigorously addressed if aid is to make a real difference in freeing people from poverty." Corruption was perceived as most rampant in Chad, Bangladesh, Turkmenistan, Myanmar and Haiti - also among the poorest countries in the world.