Leaders of the world's major economies and of global economic financial institutions have been invited to attend the London Summit. This includes the leaders of the G20 countries, which represent:

• 90% of global GNP (gross domestic product)
• 80% of world trade
• two-thirds of the world's population.

Reflecting the participation at the Washington Summit, the Prime Minister has invited the Heads of State and/or Government from:

• Argentine Republic
  Her Excellency Cristina Fenandez de Kirchner
  President of the Argentine Republic
  
• Australia
  The Honourable Kevin Rudd
  Prime Minister of Australia
  
• Federative Republic of Brazil
  His Excellency Luiz Inácio Lula da Silva
  President of the Federative Republic of Brazil
  
• Canada
  The Right Honourable Stephen Harper, PC
  Prime Minster of Canada
  
• People's Republic of China
  His Excellency Hu Jintao
  President of the People's Republic of China
  
• France (French Republic)
  His Excellency Mr Nicolas Sarkozy
  President of the French Republic
  
• Federal Republic of Germany
  Her Excellency Dr Angela Merkel
  Chancellor of the Federal Republic of Germany
  
• Republic of India
  His Excellency Dr Manmohan Singh
  Prime Minister of the Republic of India
  
• Republic of Indonesia
  His Excellency General TNI (Ret) Dr H Susilo Bambang Yudhoyono
  President of the Republic of Indonesia
  
• Republic of Italy
  His Excellency Silvio Berlusconi
  Prime Minister of the Republic of Italy
  
• Japan
  His Excellency Taro Aso
  Prime Minister of Japan
  
• Mexico (United Mexican States)
  His Excellency Felipe Calderon Hinojosa
  President of the United Mexican States
  
• Kingdom of the Netherlands
  His Excellency Dr Jan Peter Bakenende
  Prime Minister of the Kingdom of the Netherlands
  
• Republic of Korea
  His Excellency Lee Myung-bak
  President of the Republic of Korea
  
• Russia Federation
  His Excellency Dmitry A Medvedev
  President of the Russian Federation
  
• Kingdom Saudi Arabia
  The Custodian of the Two Holy Mosques
  King Abdullah bin Abdul Aziz Al Saud GCB GCMG
  
• Republic of South Africa
  His Excellancy Kgalema Motlanthe
  President of the Republic of South Africa
  
• Kingdom of Spain
  His Excellency José Luis Rodríguez Zapatero
  Prime Minister of the Kingdom of Spain
  
• Republic of Turkey
  His Excellency Recep Tayyip Erdog˘an
  Prime Minister of the Republic of Turkey
  
• United States of America
  The Honourable Barack Obama
  President of the United States of America

To ensure balanced regional representation the Chair of The New Partnership for Africa’s Development (NEPAD), the Chair of the Association of South East Asian Nations (ASEAN) and the President of the EU Commission are also invited:

• New Partnership for Africa’s Development (NEPAD)
  His Excellency Meles Zenawi
  Chair of NEPAD (and Prime Minister, Ethiopia)
  
• Association of Southeast Asian Nations (ASEAN)
  His Excellency Abhisit Vejjajiva
  Chair of ASEAN (and Prime Minister of Thailand)
  
• European Commission
  His Excellency José Manuel Barroso
  President of the European Commission
  
• European Council
  His Excellency Mirek Topolanek
  President of the European Council
  (and Prime Minister of the Czech Republic)

In addition, the Prime Minister is also inviting the heads of key international institutions including the United Nations, World Bank and International Monetary Fund to contribute to relevant parts of the agenda.

• United Nations
  His Excellency Ban Ki-moon
  Secretary General of the United Nations
  
• World Bank
  The Honourable Robert Zoellick
  President of the World Bank
  
• International Monetary Fund
  Mr Dominique Strauss-Kahn
  Managing Director of the International Monetary Fund
  
• World Trade Organisation
  Mr Pascal Lamy
  Director General of the World Trade Organisation
  
• Financial Stability Forum
  Professor Mario Draghi
  Chairman of the Financial Stability Forum