Here's a full list of based on information provided by the South African government and reporting by The Associated Press:
- Afghan President Hamid Karzai.
- Angolan Vice President Manuel Vincent.
- Argentinian Acting President Amado Boudou.
- Australian Prime Minister Tony Abbott.
- Bahamas' Prime Minister Perry Christie.
- Bangladesh's President Abdul Hamid.
- Belgian Prime Minister Elio di Rupo and King Philippe.
- Benin's President Boni Yayi.
- Botswana's President Seretse Ian Khama.
- Brazilian President Dilma Rousseff and three of her predecessors, including Luiz Inacio Lula da Silva.
- British Prime Minister David Cameron, deputy Prime Minister Nick Clegg and former Prime Minister Tony Blair.
- Burundi's President Pierre Nkurunziza.
- Canadian Prime Minister Stephen Harper and three of his predecessors.
- Chadian President Idriss Deby.
- Chinese Vice President Li Yuanchao.
- Comoros' President Ikiliou Dhoinine.
- Congo's President Joseph Kabila.
- Croatian President Ivo Josipovic.
- Cuban President Raul Castro.
- Czech Foreign Minister Jan Kohout.
- Danish Prime Minister Helle Thorning-Schmidt and Prince Frederik.
- Djibouti's President Ismail Omar Guelleh.
- East Timor's Prime Minister Xanana Gusmao.
- El Salvador's Foreign Minister Jaime Miranda.
- Equatorial Guinea's President Obiang Nguema Mbasogo.
- Ethiopia's Prime Minister Hailemariam Desalegn.
- European Commission President Jose Manuel Barroso.
- European Union Council President Herman Van Rompuy.
- Finnish President Sauli Niinisto.
- French President Francois Hollande and his predecessor Nicolas Sarkozy.
- Gabon's President Ali Bongo Ondimba.
- Gambian President Yahya Jammeh.
- German President Joachim Gauck.
- Ghana's President John Dramani Mahama.
- Guinean President Alpha Conde.
- Guyana's President Donald Ramotar.
- Haitian President Michel Martelly and Prime Minister Laurent Lamothe.
- Indian President Pranab Mukherjee and Congress party leader Sonia Ghandi.
- Iranian Foreign Minister Mohammad Javad Zarif.
- Irish President Michael Higgins.
- Italian Prime Minister Enrico Letta.
- Ivory Coast's President Allasane Ouattara.
- Jamaica's Prime Minister Portia Simpson Miller.
- Japan's Crown Prince Naruhito and former Prime Minister Yasuo Fukuda.
- Jordanian Queen Rania and Prime Minister Abdullah Ensour.
- Kenyan President Uhuru Kenyatta.
- Lebanese caretaker Prime Minister Najib Mikati.
- Lesotho's Prime Minister Thomas Thabane.
- Liberian President Ellen Johnson Sirleaf.
- Malawi's President Joyce Banda.
- Malaysian Energy Minister Maximus Ongkili.
- Mauritius' Prime Minister Mohamed Ould Abdel Aziz.
- Mexican President Pena Nieto.
- Morocco's Prince Moulay Rachid.
- Mozambique's President Armando Emilio Guebuza.
- Namibian President Hifikepunye Pohamba.
- Nepalese Foreign Minister Madhav Prassad Ghimire.
- The Netherlands' Foreign Minister Frans Timmermans and King Willem-Alexander.
- Niger's President Mahamadou Issoufou.
- Nigerian President Goodluck Jonathan.
- Norwegian Prime Minister Erna Solberg and Crown Prince Haakon.
- Pakistan's President Mamnoon Hussain.
- Palestinian President Mahmoud Abbas.
- Philippines' Vice President Jejomar Binay.
- Polish Foreign Minister Radek Sikorski and former President Lech Walesa.
- Portuguese President Cavaco Silva.
- Saudi-Arabia's Deputy Prime Minister Muqrin bin Abdulaziz Al Saud.
- Senegalese President Macky Sall.
- Serbian President Tomislav Nicolic.
- Seychelles President James Michel.
- Slovak Foreign Minister Miroslav Lajcak.
- Slovenia's President Borut Pahor.
- South Korean Prime Minister Hongwon Chung.
- South Sudan's President Salva Kir Mayardi.
- Spanish Prime Minister Mariano Rajoy and Prince Felipe.
- Sri Lanka's President Mahinda Rajapaksa.
- Sudanese Vice President Bakri Hassan Salih.
- Suriname's President Desire Delan Bouterse.
- Swaziland's Prime Minister Sibusiso Barnabas Dlamini.
- Swedish Prime Minister Fredrik Reinfeldt and Princess Victoria.
- Swiss President Ulrich Maurer.
- Tanzanian President Jakaya Kikwete.
- Trinidad and Tobago's Prime Minister Kamla Persad-Bissessar.
- Tunisian President Moncef Marzouki.
- Ugandan President Yoweri Museveni.
- U.N. Human Rights Commissioner Navi Pillay.
- U.N. Secretary General Ban Ki-moon and his predecessor Kofi Annan.
- U.S. President Barack Obama and first lady Michelle Obama as well as former presidents George W. Bush, Jimmy Carter, Bill Clinton and his wife Hillary.
- Uruguay's Foreign Minister Luis Almagro.
- Vatican official Cardinal Peter Turkson of Ghana.
- Venezuela's President Nicolas Maduro.
- Zambia's President Michael Sata.
- Zimbabwean President Robert Mugabe.
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