| Country | Leader |
| Afghanistan | Hamid Karzai |
| Argentina | Nestor Kirchner |
| Australia (PM) | John Howard |
| Belgium (PM) | Guy Verhofstadt |
| Bolivia | Evo Morales |
| Brazil | Luiz Inácio Lula da Silva |
| Canada (PM) | Stephen Harper |
| China (President) | Hu Jintao |
| China (Premier) | Wen Jiabao |
| Cuba | Fidel Castro |
| Denmark (PM) | Anders Fogh Rasmussen |
| Ecuador | Alfredo Palacio |
| Egypt (Pres.) | Hosni Mubarak |
| Finland | Tarja Halonen |
| France | Jacques Chirac |
| Germany (Chancellor) | Angela Merkel |
| India (PM) | Manmohan Singh |
| Indonesia | Susilo Bambang Yudhoyono |
| Iran (Pres.) | Mahmoud Ahmadinejad |
| Iraq (PM) | Ibrahim al-Jaafari |
| Israel | Ariel Sharon |
| Japan (PM) | Junichiro Koizumi |
| Kenya | Mwai Kibaki |
| North Korea (CNDC) | Kim Jong Il |
| Libya (de facto) | Muammar al-Qaddafi |
| Malaysia (PM) | Abdullah Ahmad Badawi |
| Liberia | Ellen Johnson-Sirleaf |
| Mexico | Vicente Fox |
| Nepal | King Gyanendra |
| Netherlands (PM) | Jan Peter "Harry Potter" Balkenende |
| New Zealand (PM) | Helen Clark |
| Nigeria | Olusegun Obasanjo |
| Norway (PM) | Jens Stoltenberg |
| Oman | Sultan Qaboos ibn Sa’id Al ‘Bu Sa’id |
| Pakistan (Pres.) | Pervez Musharraf |
| Palestinian Authority (Pres.) | Mahmoud Abbas |
| Paraguay | Nicanor Duarte |
| Peru (Pres.) | Alejandro Toledo |
| Phillipines | Gloria Macapagal-Arroyo |
| Poland | Lech Kaczyński |
| Portugal (Pres.) | Jorge Sampaio |
| Romania (Pres.) | Traian Băsescu |
| Russia (Pres.) | Vladimir Putin |
| Taiwan [ROC] Pres. | Chen Shui-bian |
| Saudi Arabia | King + PM Abdullah |
| Singapore (Pres.) | Sellapan Ramanathan |
| South Africa | Thabo Mbeki |
| Spain (Pres.) | José Luis Rodríguez Zapatero |
| Sudan | President Omar Hassan Ahmad al-Bashir |
| Sri Lanka | President Mahinda Rajapakse |
| Syria (Pres.) | Bashar al-Assad |
| Sweden (PM) | Göran Persson |
| Tanzania | Jakaya Kikwete |
| Turkey (Pres.) | Ahmet Necdet Sezer |
| Turkmenistan | Saparmurat Niyazov |
| Uganda | Yoweri Museveni |
| Ukraine (Pres.) | Viktor Yushchenko |
| United Kingdom (PM) | Tony Blair |
| Uruguay | Tabaré Vázquez |
| Uzbekistan | Islam Karimov |
| United States | George W. Bush |
| Venezuela | Hugo Chávez |
| Vietnam (Pres.) | Tran Duc Luong |
| Zimbabwe | Robert Mugabe |
| Kyrgyzstan (Pres.) | Kurmanbek Bakiyev |
