Transparency International Papua New Guinea says an increase in the number of supporters for its Walk against Corruption show how the issue is affecting communities.
The watchdog group hosted its annual anti-corruption march in Port Moresby, Kimbe and Kokopo at the weekend, with participants ranging from corporate employees and government workers to school students.
The Chair of TI, Peter Aitsi says the numbers which attended this year doubled last year's figure, with about 3,000 people taking part in Kimbe, more than 2,000 in Kokopo and more than 4,000 in Port Moresby.
"Perhaps the more significant issue of the impact of corruption is having on their lives. And as a consequence, more and more communities are wanting to take part in forum that can allow them to have their say. And perhaps in a way, demonstrate their anger to the government about the way that they are governed."
Peter Aitsi says the aim is to double the centres that participate next year.