The conference was attended by approximately 250 senior officials from the following countries and organisations:

Argentina, Australia, Austria, Azerbaijan, Bangladesh, Belgium, Bhutan, Cambodia, Cameroon, Canada, Central African Republic, Chad, Chile, Congo, Denmark, Dominican Republic, France, Gambia, Germany, Ghana, Guatemala, Guinea-Bissau, Hong Kong China, India, Indonesia, Ireland, Islamic Republic of Iran, Israel, Italy, Japan, Jersey, Korea, Kuwait, Kyrgyzstan, Lao People’s Democratic Republic, Lebanon, Lesotho, Luxembourg, Macau China, Malawi, Malaysia, Marshall Islands, Mauritania, Mexico, Mongolia, Morocco, Nepal, Netherlands, New Zealand, Niger, Norway, Pakistan, People’s Republic of China, Philippines, Russian Federation, Serbia, Singapore, Slovak Republic, Slovenia, South Africa, Spain, Sudan, Swaziland, Sweden, Switzerland, Tanzania, Thailand, Uganda, United Kingdom, United States, Vanuatu, Viet Nam

Asian Development Bank (ADB), European Commission (EC), Inter-American Center of Tax Administrations (CIAT), Inter-American Development Bank (IDB), International Monetary Fund (IMF), Intra-European Organisation of Tax Administrations (IOTA), Organisation for Economic Cooperation and Development (OECD), UK-Department for International Development (DFID), World Bank Group