Different countries sent congratulatory messages and letters to Supreme Leader Kim Jong Un on the occasion of the 75th founding anniversary of the Workers' Party of Korea.

The messages came from the President of the Bolivarian Republic of Venezuela, the chairman of the Central Committee of the Nepal Communist Party (United), the general secretary of the Central Committee of the Nepal Communist Party (Marxist-Leninist), the secretary general of the Lebanon Federation of Workers, the secretary general of the Malaysian Chinese Association, the general secretary of the Union Solidarity and Development Party of Myanmar, the chairman of the Mongolian People's Party, the chairman of the National Democratic Party of Mongolia, the acting chairperson of the Mongolian Democratic Party, the chairman of the Central Committee of the Workers’ Party of Bangladesh, the chairman of the Central Executive Committee of the Bangladesh National Socialist Party, the president of the Bangladesh People's League, the general secretary of the Central Committee of the Syrian Communist Party, 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 acting chairperson of the FUNCINPEC Party of Cambodia, the secretary general of the Palestine Liberation Democratic Front, the general secretary of the Palestinian Popular Struggle Front, the general secretary of the PKP-1930, the chairman of the Central Council of the People Unity-"Kyrgyz El" Republican Political Party of Kyrgyzstan, the chairman of the Motherland Party of Turkey, the general chairman and the general secretary of the National Guidance Council of the Pioneer Party of Indonesia, the chairman and the deputy secretary general of the National Leading Council of the Diversity Party of Indonesia, the general secretary of the Central Committee of the Communist Party of India (Marxist), the general secretary of the National Council of the Communist Party of India, the senior leader of the Indian People's Party, the general secretary of the Central Committee of the All-India Forward Bloc, the chairman and the international secretary of the Communist Party in Denmark, the chairman of the German Communist Party, the chairman of the Socialist Party of Romania, the chairman of the Supreme Council of the National Socialist Party (Romania), the chairwoman of the Party for Peace and Unity of Russia, the chairman of the National Salvation Front of Russia, the chairman of the Central Committee of the Communist Party "Russian Communists", the chairman of the Hungarian Workers' Party, the honorary chairman of the Bulgarian Communists Union, the first secretary of the Central Committee of the Communist Party of Belarus, the general secretary of the Communist Party of Switzerland, the general secretary of the Central Committee of the Czechoslovak Communist Party, 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 national leader of the Revolutionary Communist Party of Britain (Marxist-Leninist), the chairman of the Communist Party of Great Britain (Marxist-Leninist), the general secretary and the international secretary of the Central Committee of the New Yugoslav Communist Party, the general secretary of the Movement for Peace and Socialism of Italy, the general secretary of the Unified Communist Party of Italy, the general secretary of the National Democratic Congress of Ghana, the general secretary of the Guinean Rainbow People's Assembly, 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 secretary general of the African National Congress of South Africa, the chairman of the African Party for the Solidarity and Justice of Mali, the chairperson of the Coalition for Mali, the secretary general of the Mozambique Liberation Front Party, the general secretary of the Socialist Party of Senegal, general secretary of the Workers' Party for the Independence of Senegal, the general secretary of the Patriotic Front of Zambia, the general secretary of the Democratic Party of Equatorial Guinea, the general secretary of the Revolutionary Party of Tanzania, the general secretary of the Congolese Party of Labour, the general secretary of the Communist Party of the Democratic Republic of Congo, the general secretary of the Workers' Party of the Democratic Republic of Congo, the national chairman of the Popular Revolutionary Party of the Democratic Republic of Congo, the national chairman of the Convention of United Democratic Congolese, the chairman of the Ugandan National Executive Committee of the Pan-African Movement, the secretary general of the Uganda National Resistance Movement, the chairman of the National Progressive Unionist Party of Egypt, the national leader of the Workers' Party of Mexico, the general secretary of the Central Committee of the People's Socialist Party of Mexico, the national chairman and vice-president of the Brazilian Communist Party, the general secretary and secretary for International Relations of the Central Committee of the Communist Party of Venezuela, the general coordinator of the Federal Political Secretariat of the United Left Party of Venezuela, the general secretary of the Communist Party of Chile (Proletarian Action), the national leader of the Communist Party of Canada (Marxist-Leninist), the general secretary of the Revolutionary Communist Party of Uruguay, the general secretary and secretary for International Relations of the Central Committee of the Communist Party of Ecuador, the Central Committee of the Marxist-Leninist Communist Party of Brazil, the Central Committee of the Communist Party of Paraguay and the National Leadership of the March 26 Movement of Uruguay.

They were also sent by a secretary of the Central Committee of the Nepal Worker-Peasant Party, the director of the Department of Workers and Farmers of the Baath Arab Socialist Party, a secretary of the Central Committee of the People's Communist Party of Kazakhstan, a vice-general secretary for International Affairs of the Islamic Coalition Party of Iran, a secretary of the Central Committee of the Communist Party of Malta, a secretary of the Central Committee of the Slovak Communist Party, the director of the International Department of the Socialist Workers' Party of Croatia, the international secretary of the Serbian Communist Party, the international secretary of the Central Committee of the Communist Party of the People of Spain, the first deputy general secretary of the Central Committee of the South African Communist Party, a vice-chairman of the Socialist Freedom Party of Egypt, the first vice-chairman of the United Socialist Party of Venezuela, the co-chairman of the Board of Directors of the Kim Il Sung-Kim Jong Il Foundation, the president of the International Group of Italy, the chairman of the Afro-Asian People's Solidarity Organization, the director-general and a vice-director general of the International Institute of the Juche Idea, a vice-director general and directors of the Asian Regional Institute of the Juche Idea, a councillor of the European Society for the Study of the Juche Idea, the secretary general of the African Regional Committee for the Study of the Juche Idea, the honorary director-general of the Latin American Institute of the Juche Idea; high-ranking personages of political, public, economic and military circles in China, Russia, Nepal, Malaysia, Myanmar, Mongolia, Bangladesh, Syria, Singapore, Cambodia, Thailand, Pakistan, Kazakhstan, Cyprus, Turkey, the United Arab Emirates, Iran, Indonesia, India, Japan, Norway, Demark, Germany, Romania, Luxembourg, Moldova, Bulgaria, Belarus, Switzerland, Sweden, Slovenia, the Czech Republic, France, Finland, Poland, Serbia, Ireland, Britain, Austria, Ukraine, Iceland, Italy, Spain, Nigeria, South Africa, Libya, Mali, Benin, Senegal, Zambia, Equatorial Guinea, Zimbabwe, Tanzania, Algeria, Uganda, Ethiopia, the US, Mexico, Brazil, Venezuela, Chile, Colombia, Peru, Argentina, Ecuador, New Zealand and Australia; and organizations for the study of the Juche idea, organizations for supporting Korea's reunification, friendship organizations and representatives of international organizations in the DPRK.