Kuwaiti Emir Sheikh Sabah al-Ahmad Al-Sabah congratulated Xi on his election.
He appreciated the well-maintained relations between the two friendly countries, hoping that cooperation covering various areas could be consolidated and advanced through joint efforts so as to serve the common interests of both.
Leader of the Justice and Development Party and head of the government of Morocco, Abdelillah Benkirane, wished the CPC, the Chinese government and the people success in the process of promoting national construction and development.
He also expected to strengthen friendly cooperative relations between the two parties and two nations.
Antonis Samaras, president of the New Democracy party and Greek prime minister, said: "I am confident that, under your leadership, China will continue to rise and enhance its position as a global power."
During these turbulent times, Greece-China cooperation, which has produced tangible results, will reach new highs in the years to come, both at the bilateral and multilateral levels, he said.
"I stand ready to work closely with you, in order to explore new areas of cooperation and achieve further progress, for the benefit of our two peoples."
Xanana Gusmao, East Timor's prime minister and leader of the National Congress for Timorese Reconstruction, said his party stands ready to work with the CPC to promote friendship and boost coordination in a continued effort to improve the welfare of both peoples and the prosperity of both countries.
Jose Maria Neves, leader of the African Party of Independence of Cape Verde, said in a message that the achievements made at the CPC congress will surely continue to consolidate China's economy and social reforms
In his congratulatory message, Gagik Tsarukian, leader of Prosperous Armenia party, voiced confidence that under Xi's leadership, the CPC will implement the resolutions adopted at its congress, lead the Chinese people toward a prosperous society and continuously improve people's livelihood and strengthen China's national power.
Pedro Joaquin Coldwell, president of the National Executive Committee of Mexico's Institutional Revolutionary Party (PRI), said his party appreciated the efforts the CPC has made to counter challenges and promote the all-round development of China.
"I believe that, under your leadership, the new members of the Standing Committee of the Political Bureau of the CPC Central Committee will coordinate to lead China's development in the next few years," Coldwell said.
"We will have the opportunity to enhance the cooperative relations between PRI and CPC," Coldwell said.