Group of Eight (G8)

 Canada

Prime Minister Justin Trudeau

 France

President Emmanuel Macron

 Germany

Chancellor Angela Merkel

 Italy

Prime Minister Paolo Gentiloni

 Japan

Prime Minister Shinzō Abe

 Russia (suspended)

President Vladimir Putin

 United Kingdom

Prime Minister Theresa May

 United States

President Donald Trump

 European Union

Council President Donald Tusk

Commission President Jean-Claude Juncker