| Country | President | Prime Minister | |
| Afghanistan | Mohammad Ashraf Ghani | ——- | |
| Albania | Ilir Meta,Bujar Nishani | Edi Rama | |
| Algeria | Abdelaziz Bouteflika | Ahmed Ouyahia | |
| Angola | Jose Eduardo Dos Santos | —— | |
| Antigua and Barbuda | Governor General : Sir Rodney Williams | Gaston Browne | |
| Armenia | Armen Sarkissian | Nikol Pashinyan | |
| Argentina | Mauricio Macri | —— | |
| Aruba | Governor General: Alfonso Boekhoudt | Evelyn Wever-Croes | |
| Australia | Governor General:Sir Peter Cosgrove | Malcolm Turnbull | |
| Austria | Alexander Van der Bellen | Christian Kern | |
| Azerbaijan | Ilham Aliyev | Artur Rasizade | |
| Bahamas | Governor General : Marguerite Pindling | Hubert Minnis | |
| Bahrain | King : Hamad bin Isa Al Khalifa | Khalifa Bin Salman Al Khalifa | |
| Bangladesh | Abdul Hamid | Sheikh Hasina | |
| Barbados | Freundel Stuart | Freundel Stuart | |
| Belarus | Aleksandr Lukashenko | Andrei Kobyakov | |
| Belgium | King : Philippe | Charles Michel | |
| Belize | Governor General : Sir Colville Young | Dean Oliver Barrow | |
| Benin | Thomas Boni Yayi | Lionel Zinsou | |
| Bhutan | King : Jigme Khesar Namgyel Wangchuck | Tshering Tobgay | |
| Bolivia | Juan Evo Morales Ayma | —— | |
| Botswana | Seretse Khama Ian Khama | —— | |
| Brazil | Michel Temer | —— | |
| Brunei | Sultan : Sir Hassanal Bolkiah | Sir Hassanal Bolkiah | |
| Bulgaria | Rumen Radev | Boyko Borisov | |
| Burundi | Pierre Nkurunziza | —— | |
| Cambodia | King : Norodom Sihamoni | Hun Sen | |
| Cameroon | Paul Biya | Philemon Yang | |
| Canada | Governor General : David Johnston | Justin Trudeau | |
| Chile | Michelle Bachelet”traffic has dwindled to a trickle” | ——– | |
| China | Xi Jinping | Li Keqiang | |
| Colombia | Juan Manuel Santos | ——– | |
| Croatia | Kolinda Grabar-Kitarovic | Andrej Plenković | |
| Cyprus | Nicos Anastasiades | —— | |
| Denmark | Queen : Margrethe II | Lars Løkke Rasmussen | |
| Egypt | Abdel-Fattah el-Sissi | Ibrahim Mahlab | |
| Estonia | Kersti Kaljulaid | Jüri Ratas | |
| Ethiopia | Mulatu Teshome | Abiy Ahmed | |
| Fiji | Jioji Konrote | Frank Bainimarama | |
| Finland | Sauli Niinisto | Juha Sipila | |
| France | Emmanuel Macron | Édouard Philippe | |
| Georgia | Giorgi Margvelashvil | Giorgi Kvirikashvili | |
| Germany | Frank-Walter Steinmeier | Chancellor: Angela Merkel | |
| Ghana | Nana Akufo-Addo | —— | |
| Greece | Prokopis Pavlopoulos | Alexis Tsipras | |
| Guatemala | Jimmy Morales | —— | |
| Guinea | Alpha Conde | Mamady Youla | |
| India | Ram Nath Kovind | Narendra Modi | |
| Indonesia | Joko Widodo | —— |
| Iran | Hassan Rouhani | Supreme leader: Ali Khamenei | |
| Iraq | Fuad Masum | Haider al-Abadi | |
| Ireland | Michael Daniel Higgins | Leo Varadkar | |
| Israel | Reuven Rivlin | Binyamin “Bibi” Netanyahu | |
| Italy | Sergio Mattarella | Paolo Gentiloni | |
| Jamaica | Governor General: Sir Patrick Allen | Andrew Holness | |
| Japan | Emperor: Akihito | Shinzo Abe | |
| Jordan | King : Abdallah II | Hani Al-Mulki | |
| Kazakhstan | Nursultan Nazarbayev | Bakytzhan Sagintayev | |
| Korea, North | Supreme leader : Kim Jong-un | —— | |
| Korea, South | Park Geun-Hye | Lee Nak-yeon | |
| Kuwait | Emir : Jaber Al-Ahmad Al-Sabah | Jabir Al-Mubarak Al-Hamad Al-Sabah | |
| Lebanon | Michel Aoun | Saad Hariri | |
| Libya | Magariaf | Fayez al-Sarraj | |
| Malaysia | King : Muhammad V of Kelantan | Najib Razak | |
| Maldives | Abdulla Yameen Abdul Gayoom | —— | |
| Mali | Ibrahim Boubacar Keita | Modibo Keita | |
| Mauritius | Ameenah Gurib-Fakim | Pravind Jugnauth | |
| Mexico | Enrique Pena Nieto | —— | |
| Morocco | King : Mohammed VI | Saadeddine Othmani | |
| Myanmar | Aung San Suu Kyi | —— | |
| Namibia | Hage Geingob | Saara Kuugongelwa-Amadhila | |
| Nepal | Bidhya Devi Bhandari | Khadga Prasad Sharma Oli | |
| Netherlands | King : Willem-Alexander | Mark Rutte | |
| New Zealand | Governor General : Patsy Reddy | John Phillip Key | |
| Oman | Qaboos bin Said Al Said | Fahd bin Mahmoud al Said | |
| Pakistan | Mamnoon Hussain | Shahid Khaqan Abbasi | |
| Philippines | Rodrigo Duterte | —— | |
| Portugal | Marcelo Rebelo de Sousa, Eduardo Ferro Rodrigues | António Costa | |
| Qatar | Emir : Sheikh Tamim bin Hamad Al Thani | Abdallah Bin Nasir Bin Khalifa Al Thani | |
| Romania | Klaus Iohannis | Viorica Dăncilă | |
| Russia | Vladimir Vladimirovich Putin | Dmitriy Anatolyevich Medvedev | |
| Saudi Arabia | King : Salman bin Abdulaziz Al Saud | —— | |
| Seychelles | Danny Faure | James Alix Michel | |
| Singapore | Halimah Yacob | Lee Hsien Loong | |
| South Africa | Cyril Ramaphosa | —— | |
| Spain | Monarch : Felipe VI | Mariano Rajoy | |
| Sri Lanka | Maithripala Sirisena | Ranil Wickremesinghe | |
| Sudan | President : Omar al-Bashir | —— | |
| Syria | Bashar Al-Asad | Imad Khamis | |
| Taiwan | Tsai Ing-wen | —— | |
| Thailand | Monarch : Maha Vajiralongkorn | Prayut Chan-o-cha | |
| Ukraine | Petro Poroshenko | Volodymyr Groysman | |
| United Arab Emirates | Khalifa Bin Zayid Al Nuhayyan | Muhammad Bin Rashid Al Maktoum | |
| United States of America | Donald Trump | —— | |
| United Kingdom | Queen : Elizabeth II | Theresa May |
| Zimbabwe | Emmerson Mnangagwa | ——– |