The messages and letters were sent by the secretary general of the Lebanon Federation of Workers, the president of the Bangladesh People's League, the general secretary of the Central Committee of the Communist Party of Syria, the general secretary of the Syrian Communist Party (Unified), the general secretary of the Arab Democratic Union Party of Syria, the general secretary of the Al Ahd al Watani Party of Syria, the general secretary of the Socialist Unionist Party of Syria, the general secretary of the Syrian Arab Socialist Union Party, the general secretary of the Popular Front for the Liberation of Palestine, the general secretary of the Palestinian Popular Struggle Front, the general secretary of the Jordanian Communist Party, the chairman of the Communist Party of Germany, the chairperson of the Socialist Party of Romania, the chairperson of the Supreme Council of the National Socialist Party (Romania), the chairman of the Liberal Democratic Party of Russia, the chairperson of the Socialist Political Party "For Just Russia-Patriots-Truth", the chairperson of the Party for Peace and Unity of Russia, the chairperson of the National Salvation Front of Russia, the chairperson of the Central Committee of the Communist Party "Russian Communists", the first secretary of the Central Committee of the Communist Party of Belarus, the general secretary of the Central Committee of the Communist Party-21 of the Czech Republic, the chairman and the international secretary of the Finnish Communists' League, the general secretary and concurrently international secretary of the Serbian Communist Party, the general secretary and the international secretary of the Central Committee of the New Yugoslav Communist Party, the general secretary of the National Democratic Congress of Ghana, the acting general secretary of the Democratic Rally of Africa-Democratic Party of Guinea, the general secretary of the South West Africa People's Organizational Party of Namibia, the national chairman of the People's Progressive Party of Nigeria, the general secretary of the South African Communist Party, the acting chairman of the African Party for the Solidarity and Justice of Mali, the chairperson of the Coalition for Mali, the general secretary of the Communist Party of Mauritius, the general secretary of the Communist Party of the DR Congo, the national chairperson of the Socialist Democrats' Union of the DR Congo, the chairperson of the Ugandan National Executive Committee of the Pan-African Movement, the chairperson of the Socialist Workers' Party of Egypt, the secretary general of the United Left Movement of Dominica, the general secretary and concurrently secretary for international relations and the national political secretary of the People's Front of Workers, Peasants and Students of Peru and the general secretary of the Communist Party of Uruguay.

Kim Jong Un also received congratulatory messages and letters from the deputy general secretary of Syria's Baath Arab Socialist Party, the director of the International Department of the Socialist Workers' Party of Croatia, the international secretary of the Central Committee of the Communist Party of the People of Spain, the secretary for International Relations of the Central Committee of the Workers' Communist Party of Spain, the vice-chairman of the Socialist Freedom Party of Egypt, the secretary for international relations of the Brazilian Communist Party, the first vice-chairman of the United Socialist Party of Venezuela, the general secretary of the International Alliance of Societies for the Study of the Juche Idea and Songun Policy in East European and Central Asian Regions, the Asia-Pacific Regional Committee for Supporting Peaceful Reunification of Korea and the head of the Orchestra of the 21st Century of Russia and other personages of political, public and economic circles in China, Russia, Nepal, Malaysia, Myanmar, Bangladesh, Thailand, Pakistan, Kazakhstan, Tajikistan, Indonesia, Japan, Greece, Norway, Denmark, Germany, Romania, Moldova, Bulgaria, Belarus, Switzerland, Sweden, the Czech Republic, France, Finland, Poland, Serbia, the UK, Ukraine, Iceland, Spain, Guinea, South Africa, Libya, Senegal, Zambia, Equatorial Guinea, Zimbabwe, the DR Congo, Tunisia, Uganda, Brazil, Venezuela, Chile, Colombia, Peru, Ecuador and Australia and Juche idea study organizations and organizations for support to Korea's reunification and friendship.

Meanwhile, the Central Committee of the Workers' Party of Korea received a congratulatory message from the international secretary of the Popular Liberation Movement of Angola.