Prime Minister Shaukat Aziz will lead a Pakistani delegation at the World Economic Forum (WEF) meeting to be held in Davos, Switzerland, on January 25-26, officials said. Heads of state, Prime Ministers, Foreign Ministers, Finance Ministers and Trade Ministers of over 125 countries would participate in the meeting. During his visit to Switzerland, the Prime Minister would meet heads of delegations of various friendly countries, including the United States, Britain, France, Germany, Belgium, Switzerland, China, Japan, Turkey, Iran, Malaysia, Indonesia and Singapore.