Now a USA based body-Trace International Inc is studying the bribe pattern worldwide.It has provided an online form for reporting incidence of bribe. In its own word , bribeline.org has following purpose
BRIBEline’s purpose is to collect information about the official or quasi-official entities – governments, international organizations, security forces, state-owned enterprises, etc. – around the world that solicit bribes. BRIBEline focuses on demand-side bribery only; we do not request or collect information about those who pay, or offer to pay, bribes.
BRIBEline does not collect or request any names.The information we collect will not be used to take legal or investigative action. Aggregate information will be made public to shine a spotlight on trouble spots so that they might be improved, and to allow companies to better manage risk.
So, if you are interested to report the incidence of bribe anywhere in world, you can report it by clicking Report Bribe Worldwide
Trace International has created the reporting platform in 21 language. When you click the link https://www.bribeline.org , you will get following page which gives you choice of choosing the language