# Global Corruption Barometer 2005 URL: https://www.transparency.org/en/publications/gcb-2005 Type: Publication or report Published: 2005-12-09 Updated: 2020-04-07 --- 09 December 2005 The Global Corruption Barometer is one of TI’s tools for measuring corruption internationally. Through its focus on public opinion, the Barometer complements the Corruption Perceptions Index and Bribe Payers Index, which are based on the opinions of experts and business leaders. First carried out in 2003 in 45 countries, and then again in 2004 in 64 countries, the Barometer now encompasses almost 70 countries - including previously uncovered nations such as Cambodia, Chile, Ethiopia, Paraguay, Senegal, Serbia, Thailand and Ukraine. ## Additional downloads - [Download 'GCB 2005 Data' \[ZIP\]](https://files.transparencycdn.org/images/GCB_2005_Data.zip) ### Related publications ## [Regional Assessment of Integrity in Political Finance in South Asia, Southeast Asia and East Asia](https://www.transparency.org/en/publications/integrity-political-finance-asia) Publication • 03 September 2026 This report reviews systems across 17 countries to identify the areas of political finance most in need of reform. ## [Connecting the Dots: How financial intelligence units expose corrupt money flows and how they could do more](https://www.transparency.org/en/publications/connecting-the-dots) Publication • 24 June 2026 Financial intelligence units can play a key role in uncovering corruption, but only if they have the powers, resources and access to information they need. ## [Whistleblowing Authorities in Europe: Roles, challenges and lessons learned](https://www.transparency.org/en/publications/whistleblowing-authorities-in-europe-roles-challenges-and-lessons-learned) Publication • 19 June 2026 This report examines the institutional design, mandates and functioning of national whistleblowing authorities across Europe. ## [Strengthening Public Oversight: Good practices for partnerships between civil society and supreme audit institutions](https://www.transparency.org/en/publications/strengthening-public-oversight-good-practices-for-partnerships-between-civil-society-and-supreme-audit-institutions) Publication • 29 May 2026 Stronger collaboration between Supreme Audit Institutions and Civil Society Organisations is needed for better public financial oversight. ![](https://images.transparencycdn.org/images/2005_GCB_EN_116.jpg?auto=compress&fit=crop&fm=webp&w=1200) [Download](https://images.transparencycdn.org/images/2005_GCB_EN.pdf)