How does the GCR relate to other TI research products?
TI is an independent producer of empirical research on corruption. It has assembled a global research portfolio that combines qualitative approaches with quantitative ones, macro-level indicators with in-depth diagnostics, expert analysis with experience, as well as perceptions-based survey work. This body of research provides a comprehensive picture of the scale, spread and dynamics of corruption around the world. It also serves to mobilise and support evidence-based, effectively-tailored policy reform. TI’s portfolio of global research products includes: • Corruption Perceptions Index (CPI): an annual composite index covering more than 175 countries that draws on several different expert and business surveys on corruption and good governance. • Global Corruption Barometer (GCB): an annual representative survey of more than 60,000 households in over 60 countries on people’s perceptions and experiences of corruption. • Bribe Payer’s Index (BPI): a ranking of 30 leading, exporting count
