
The least developed countries (LDCs) is a list of developing countries that, according to the United Nations, exhibit the lowest indicators of socioeconomic development, with the lowest Human Development Index ratings of all countries in the world. The concept of LDCs originated in the late 1960s and the first group of LDCs was listed by the UN in its resolution 2768 (XXVI) of 18 November 1971.

Afghanistan, officially the Islamic Republic of Afghanistan, is a landlocked country at the crossroads of Central and South Asia. Afghanistan is bordered by Pakistan to the east and south; Iran to the west; Turkmenistan, Uzbekistan, and Tajikistan to the north; and China to the northeast. Occupying 652,000 square kilometers (252,000 sq mi), it is a mountainous country with plains in the north and southwest. Kabul is the capital and largest city. The population is around 32 million, composed mostly of ethnic Pashtuns, Tajiks, Hazaras, and Uzbeks.

Angola, officially the Republic of Angola, is a country on the west coast of Southern Africa. It is the second largest lusophone (Portuguese-speaking) country in both total area and population, and it is the seventh-largest country in Africa, bordered by Namibia to the south, the Democratic Republic of the Congo to the north, Zambia to the east, and the Atlantic Ocean to the west. Angola has an exclave province, the province of Cabinda that borders the Republic of the Congo and the Democratic Republic of the Congo. The capital and largest city of Angola is Luanda.

Bangladesh, officially the People's Republic of Bangladesh, is a country in South Asia. It is the eighth-most populous country in the world, with a population exceeding 162 million people. In terms of landmass, Bangladesh ranks 92nd, spanning 148,460 square kilometres (57,320 sq mi), making it one of the most densely populated countries in the world. Bangladesh shares land borders with India to the west, north, and east, Myanmar to the southeast, and the Bay of Bengal to the south. It is narrowly separated from Nepal and Bhutan by the Siliguri Corridor, and from China by Sikkim, in the north, respectively. Dhaka, the capital and largest city, is the nation's economic, political, and cultural hub. Chittagong, the largest seaport, is the second-largest city.

Benin, officially the Republic of Benin and formerly known as Dahomey, is a country in West Africa. It is bordered by Togo to the west, Nigeria to the east, Burkina Faso to the north-west, and Niger to the north-east. The majority of its population lives on the small southern coastline of the Bight of Benin, part of the Gulf of Guinea in the northernmost tropical portion of the Atlantic Ocean. The capital of Benin is Porto-Novo, but the seat of government is in Cotonou, the country's largest city and economic capital. Benin covers an area of 114,763 square kilometres (44,310 sq mi) and its population in 2018 was estimated to be approximately 11.49 million. Benin is a tropical nation, highly dependent on agriculture, and is a large exporter of cotton and palm oil. Substantial employment and income arise from subsistence farming.

Bhutan, officially known as the Kingdom of Bhutan, is a landlocked country in the Eastern Himalayas in South Asia. It is bordered by the Tibet Autonomous Region of China to the north and India to the south. Bhutan is geopolitically in South Asia and is the region's second-least-populous nation after Maldives. Thimphu is its capital and the largest city, while Phuntsholing is its financial center.

Burkina Faso is a landlocked country in West Africa that covers an area of around 274,200 square kilometres (105,900 sq mi) and is bordered by Mali to the northwest, Niger to the northeast, Benin to the southeast, Togo and Ghana to the south, and the Ivory Coast to the southwest. The July 2019 population estimate by the United Nations was 20,321,378. Previously called Republic of Upper Volta (1958–1984), it was renamed "Burkina Faso" on 4 August 1984 by President Thomas Sankara. Its citizens are known as Burkinabé, and its capital is Ouagadougou. Due to French colonialism, the country's official language of government and business is French, but this language is spoken by approximately only 10-15% of the population. There are 59 native languages spoken in Burkina, with the most common language, Moore, spoken by roughly 50% of Burkinabé.

Burundi, officially the Republic of Burundi, is a landlocked country in the Great Rift Valley where the African Great Lakes region and East Africa converge. It is bordered by Rwanda to the north, Tanzania to the east and southeast, and the Democratic Republic of the Congo to the west; Lake Tanganyika lies along its southwestern border. The capital cities are Gitega and Bujumbura.

Cambodia, officially the Kingdom of Cambodia, is a country located in the southern portion of the Indochina peninsula in Southeast Asia. It is 181,035 square kilometres in area, bordered by Thailand to the northwest, Laos to the northeast, Vietnam to the east and the Gulf of Thailand to the southwest.

The Central African Republic is a landlocked country in Central Africa. It is bordered by Chad to the north, Sudan to the northeast, South Sudan to the southeast, the Democratic Republic of the Congo to the south, the Republic of the Congo to the southwest and Cameroon to the west. The CAR covers a land area of about 620,000 square kilometres (240,000 sq mi) and had an estimated population of around 4.7 million as of 2018. As of 2020, the CAR is the scene of a civil war, ongoing since 2012.

Chad, officially known as the Republic of Chad, is a landlocked country in north-central Africa. It is bordered by Libya to the north, Sudan to the east, the Central African Republic to the south, Cameroon to the south-west, Nigeria to the southwest, and Niger to the west.

The Committee for Development Policy is a subsidiary body of the United Nations Economic and Social Council (ECOSOC). The task of the CDP is to provide independent advice to the Council on development policy issues. The Committee is also responsible for deciding which countries can be considered least developed countries (LDCs).

The Comoros, officially the Union of the Comoros, is an island country in the Indian Ocean located at the northern end of the Mozambique Channel off the eastern coast of Africa. It shares maritime borders with Madagascar and the French region of Mayotte to the southeast, Tanzania to the northwest, Mozambique to the west, and the Seychelles to the northeast. The capital and largest city in Comoros is Moroni. In addition, the religion of the majority of the population, and the official state religion, is Sunni Islam. As a member of the Arab League, the Comoros is the only country in the Arab world which is entirely in the Southern Hemisphere. It is also a member state of the African Union, the Organisation internationale de la Francophonie, the Organisation of Islamic Cooperation, and the Indian Ocean Commission. Furthermore, the Union of the Comoros has three official languages—Comorian, French, and Arabic.

The Democratic Republic of the Congo (DRC), also known as Congo-Kinshasa, DR Congo, the DROC, or simply either Congo or the Congo, and historically Zaire, is a country in Central Africa. It is, by area, the largest country in sub-Saharan Africa, the second-largest in all of Africa, and the 11th-largest in the world. With a population of over 101 million, the Democratic Republic of the Congo is the most-populous officially Francophone country in the world, as well as the 4th-most populous in Africa, and the 15th-most populous country in the world. Since 2015, the Eastern DR Congo has been the scene of an ongoing military conflict in Kivu.

Djibouti, Jibuti, officially the Republic of Djibouti, is a country located in the Horn of Africa. It is bordered by Somalia in the south, Ethiopia in the southwest, Eritrea in the north, and the Red Sea and the Gulf of Aden in the east. Across the Gulf of Aden is Yemen. The country has a total area of 23,200 km2 (8,958 sq mi). The Republic of Djibouti is predominantly inhabited by two ethnic groups, the Somali and the Afar people, with the former comprising the majority of the population.

East Timor or Timor-Leste, officially the Democratic Republic of Timor-Leste, is an island country in Southeast Asia and Oceania. It comprises the eastern half of the island of Timor, the nearby islands of Atauro and Jaco, and Oecusse, an exclave on the northwestern side of the island surrounded by Indonesian West Timor. Australia is the country's southern neighbour, separated by the Timor Sea. The country's size is about 15,007 km2.

Eritrea, officially the State of Eritrea, is a country in Eastern Africa, with its capital at Asmara. It is bordered by Ethiopia in the south, Sudan in the west, and Djibouti in the southeast. The northeastern and eastern parts of Eritrea have an extensive coastline along the Red Sea. The nation has a total area of approximately 117,600 km2 (45,406 sq mi), and includes the Dahlak Archipelago and several of the Hanish Islands.

Ethiopia, officially the Federal Democratic Republic of Ethiopia, is a landlocked country in the Horn of Africa. It shares borders with Eritrea to the north, Djibouti to the northeast, Somalia to the east, Kenya to the south, South Sudan to the west and Sudan to the northwest. Ethiopia has over 109 million inhabitants and is the 12th most populous country in the world, second most on the African continent after Nigeria, and the most populous landlocked country. Ethiopia has a total area of 1,100,000 square kilometres (420,000 sq mi). The capital city is Addis Ababa, which is also the largest city and lies several kilometres west of the East African Rift that splits the country into the African and Somali tectonic plates.

The Gambia, officially the Republic of The Gambia, is a country in West Africa. It is the smallest country within mainland Africa, and is surrounded by Senegal, except for its western coast on the Atlantic Ocean. The Gambia is situated on both sides of the lower reaches of the Gambia River, the nation's namesake, which flows through the centre of The Gambia and empties into the Atlantic Ocean. It has an area of 10,689 square kilometres (4,127 sq mi) with a population of 1,857,181 as of the April 2013 census. Banjul is the Gambian capital and the country's largest metropolitan area. The largest cities are Serekunda and Brikama.

Guinea, officially the Republic of Guinea, is a west-coastal country in West Africa. Formerly known as French Guinea, the modern country is sometimes referred to as Guinea-Conakry to distinguish it from other countries with "Guinea" in the name and the eponymous region, such as Guinea-Bissau and Equatorial Guinea. Guinea has a population of 12.4 million and an area of 245,857 square kilometres (94,926 sq mi).

Guinea-Bissau, officially the Republic of Guinea-Bissau, is a country in West Africa that covers 36,125 square kilometres (13,948 sq mi) with an estimated population of 1,874,303. It borders Senegal to the north and Guinea to the south-east.

Haiti, officially the Republic of Haiti and formerly known as Hayti, is a country located on the island of Hispaniola in the Greater Antilles archipelago of the Caribbean Sea, to the east of Cuba and Jamaica and south of The Bahamas and the Turks and Caicos Islands. It occupies the western three-eighths of the island which it shares with the Dominican Republic. To its south-west lies the small island of Navassa Island, which is claimed by Haiti but is disputed as a United States territory under federal administration. Haiti is 27,750 square kilometers (10,714 sq mi) in size, the third largest country in the Caribbean by area, and has an estimated population of 11.4 million, making it the most populous country in the Caribbean.

Kiribati, officially the Republic of Kiribati, is an independent country in the central Pacific Ocean. The permanent population is just over 110,000 (2015), more than half of whom live on Tarawa atoll. The state comprises 32 atolls and one raised coral island, Banaba. They have a total land area of 811 square kilometres and are dispersed over 3.5 million km2 (1.4 million sq mi).

Laos, officially the Lao People's Democratic Republic, is a socialist state and the only landlocked country in Southeast Asia. At the heart of the Indochinese Peninsula, Laos is bordered by Myanmar and China to the northwest, Vietnam to the east, Cambodia to the southeast and Thailand to the west and southwest.

Lesotho, officially the Kingdom of Lesotho, is an enclaved country within the border of South Africa. It is by far the largest of the world's three independent states completely surrounded by the territory of another country; with Vatican City and San Marino being the other two. Additionally, it is the only such state outside the Italian peninsula, and the only one that is not a microstate. Lesotho is just over 30,000 km2 (11,583 sq mi) and has a population of around 2 million. Its capital and largest city is Maseru. The official language is Sesotho.

Liberia, officially the Republic of Liberia, is a country on the West African coast. It is bordered by Sierra Leone to its northwest, Guinea to its north, Côte d'Ivoire to its east, and the Atlantic Ocean to its south-southwest. It has a population of around 5 million and covers an area of 111,369 square kilometers (43,000 sq mi). English is the official language, but over 20 indigenous languages are spoken, representing the numerous ethnic groups who make up more than 95% of the population. The country's capital and largest city is Monrovia.

Madagascar, officially the Republic of Madagascar, and previously known as the Malagasy Republic, is an island country in the Indian Ocean, approximately 400 kilometres off the coast of East Africa. At 592,800 square kilometres (228,900 sq mi) Madagascar is the world's second-largest island country. The nation comprises the island of Madagascar and numerous smaller peripheral islands. Following the prehistoric breakup of the supercontinent Gondwana, Madagascar split from the Indian subcontinent around 88 million years ago, allowing native plants and animals to evolve in relative isolation. Consequently, Madagascar is a biodiversity hotspot; over 90% of its wildlife is found nowhere else on Earth. The island's diverse ecosystems and unique wildlife are threatened by the encroachment of the rapidly growing human population and other environmental threats.

Malawi, officially the Republic of Malawi, is a landlocked country in southeastern Africa that was formerly known as Nyasaland. It is bordered by Zambia to the west, Tanzania to the north and northeast, and Mozambique surrounding on the east, south and southwest. Malawi spans over 118,484 km2 (45,747 sq mi) and has an estimated population of 18,143,217. Lake Malawi, also known as Lake Nyasa, takes up about a third of Malawi's area. Its capital is Lilongwe, which is also the country's largest city; the second largest is Blantyre, the third largest is Mzuzu and the fourth largest is its old capital Zomba. The name Malawi comes from the Maravi, an old name of the Chewa people who inhabit the area. The country is nicknamed "The Warm Heart of Africa" because of the friendliness of its people.

Mali, officially the Republic of Mali, is a landlocked country in West Africa. Mali is the eighth-largest country in Africa, with an area of just over 1,240,000 square kilometres (480,000 sq mi). The population of Mali is 19.1 million. 67% of its population was estimated to be under the age of 25 in 2017. Its capital is Bamako. The sovereign state of Mali consists of eight regions and its borders on the north reach deep into the middle of the Sahara Desert, while the country's southern part, where the majority of inhabitants live, features the Niger and Senegal rivers. The country's economy centers on agriculture and mining. Some of Mali's prominent natural resources include gold, being the third largest producer of gold on the African continent, and salt.

Mauritania, officially the Islamic Republic of Mauritania, is a country in Northwest Africa. It is the eleventh largest sovereign state in Africa and is bordered by the Atlantic Ocean to the west, Western Sahara to the north and northwest, Algeria to the northeast, Mali to the east and southeast, and Senegal to the southwest.

Mozambique, officially the Republic of Mozambique, is a country located in Southern Africa bordered by the Indian Ocean to the east, Tanzania to the north, Malawi and Zambia to the northwest, Zimbabwe to the west, and Eswatini (Swaziland) and South Africa to the southwest. The sovereign state is separated from the Comoros, Mayotte and Madagascar by the Mozambique Channel to the east. The capital and largest city of Mozambique is Maputo.

Myanmar or Burma, officially the Republic of the Union of Myanmar, is a country in Southeast Asia. Myanmar is bordered by Bangladesh and India to its northwest, China to its northeast, Laos and Thailand to its east and southeast, and the Andaman Sea and the Bay of Bengal to its south and southwest. Myanmar is the largest country in Mainland Southeast Asia and the 10th largest in Asia by area. As of 2017, the population is about 54 million. Its capital city is Naypyidaw, and its largest city is Yangon (Rangoon).

Nepal, officially the Federal Democratic Republic of Nepal, is a sovereign country in South Asia. It is mainly in the Himalayas, but also includes parts of the Indo-Gangetic Plain. It is the 49th largest country by population and 93rd largest country by area. It is landlocked, and borders China in the north and India in the south, east and west, while Bangladesh is located within only 27 km (17 mi) of its southeastern tip and Bhutan is separated from it by the Indian state of Sikkim. Nepal has a diverse geography, including fertile plains, subalpine forested hills, and eight of the world's ten tallest mountains, including Mount Everest, the highest point on Earth. Kathmandu is the capital and the largest city. Nepal is a multiethnic country, with Nepali as the official language.

Niger or the Niger, officially the Republic of the Niger, is a landlocked country in West Africa named after the Niger River. Niger is bordered by Libya to the northeast, Chad to the east, Nigeria to the south, Benin to the southwest, Mali to the northwest, Burkina Faso to the southwest, and Algeria to the northwest. Niger covers a land area of almost 1,270,000 km2 (490,000 sq mi), making it the largest country in West Africa. Over 80% of its land area lies in the Sahara Desert. The country's predominantly Muslim population of about 22 million live mostly in clusters in the far south and west of the country. The capital and largest city is Niamey, located in Niger's southwest corner.

Rwanda, officially the Republic of Rwanda, is a landlocked country in the Great Rift Valley where the African Great Lakes region and East Africa converge. One of the smallest countries on the African mainland, its capital city is Kigali. Located a few degrees south of the Equator, Rwanda is bordered by Uganda, Tanzania, Burundi, and the Democratic Republic of the Congo. It is highly elevated, giving it the soubriquet "land of thousand hills", with its geography dominated by mountains in the west and savanna to the east, with numerous lakes throughout the country. The climate is temperate to subtropical, with two rainy seasons and two dry seasons each year. Rwanda has a population of over 12.6 million living on 26,338 km2 of land, and is the most densely populated mainland African country.

São Tomé and Príncipe, officially the Democratic Republic of São Tomé and Príncipe, is an island country in the Gulf of Guinea, off the western equatorial coast of Central Africa. It consists of two archipelagos around the two main islands of São Tomé and Príncipe, about 140 km (87 mi) apart and about 250 and 225 km off the northwestern coast of Gabon.

Senegal, officially the Republic of Senegal, is a country in West Africa. Senegal is bordered by Mauritania in the north, Mali to the east, Guinea to the southeast, and Guinea-Bissau to the southwest. Senegal nearly surrounds The Gambia, a country occupying a narrow sliver of land along the banks of the Gambia River, which separates Senegal's southern region of Casamance from the rest of the country. Senegal also shares a maritime border with Cape Verde. Senegal's economic and political capital is Dakar.

Sierra Leone, officially the Republic of Sierra Leone, informally Salone, is a country on the southwest coast of West Africa. It is bordered by Liberia to the southeast and Guinea to the northeast. Sierra Leone has a tropical climate with a diverse environment ranging from savanna to rainforests, a total area of 71,740 km2 (27,699 sq mi) and a population of 7,092,113 as of the 2015 census. The capital and largest city is Freetown. The country is divided into five administrative regions which are subdivided into sixteen districts.. Sierra Leone is a constitutional Republic with a unicameral parliament, and a directly elected president for a five year term, and eligible to run for reelection for another five year maximum term limit.

The Solomon Islands are a sovereign state consisting of six major islands and over 900 smaller islands in Oceania lying to the east of Papua New Guinea and northwest of Vanuatu and covering a land area of 28,400 square kilometres (11,000 sq mi). The country has a population of 652,858 and its capital, Honiara, is located on the island of Guadalcanal. The country takes its name from the Solomon Islands archipelago, which is a collection of Melanesian islands that also includes the North Solomon Islands, but excludes outlying islands, such as Rennell and Bellona, and the Santa Cruz Islands.

Somalia, officially the Federal Republic of Somalia is a sovereign country in the Horn of Africa. It is bordered by Ethiopia to the west, Djibouti to the northwest, the Gulf of Aden to the north, the Indian Ocean to the east, and Kenya to the southwest. Somalia has the longest coastline on Africa's mainland. Its terrain consists mainly of plateaus, plains, and highlands. Hot conditions prevail year-round, with periodic monsoon winds and irregular rainfall.

South Sudan, officially known as the Republic of South Sudan, is a landlocked country in East-Central Africa. It is bordered to the east by Ethiopia, to the north by Sudan, to the west by the Central African Republic, to the southwest by Democratic Republic of the Congo, to the south by Uganda and to the southeast by Kenya.

The Sudan or North Sudan, officially the Republic of the Sudan, is a country in Northeast Africa. It is bordered by Egypt to the north, Libya to the northwest, Chad to the west, the Central African Republic to the southwest, South Sudan to the south, Ethiopia to the southeast, Eritrea to the east, and the Red Sea to the northeast. Sudan has a population of 43 million and occupies 1,886,068 square kilometres, making it Africa's third-largest country and also the third-largest in the Arab world. It was the largest country in Africa and the Arab world by area before the secession of South Sudan in 2011.

Tanzania, officially the United Republic of Tanzania, is a country in East Africa within the African Great Lakes region. It borders Uganda to the north; Kenya to the northeast; Comoro Islands and the Indian Ocean to the east; Mozambique and Malawi to the south; Zambia to the southwest; and Rwanda, Burundi, and the Democratic Republic of the Congo to the west. Mount Kilimanjaro, Africa's highest mountain, is in northeastern Tanzania.

Togo, officially the Togolese Republic, is a country in West Africa bordered by Ghana to the west, Benin to the east and Burkina Faso to the north. The country extends south to the Gulf of Guinea, where its capital Lomé is located. Togo covers 57,000 square kilometres, making it one of the smallest countries in Africa, with a population of approximately 7.9 million, as well as one of the narrowest countries in the world with a width of less than 115 km (71 mi) between Ghana and its slightly larger eastern neighbor, Benin.

Tuvalu is an island country in the Polynesian subregion of Oceania, surrounded by the Pacific Ocean and situated about midway between Hawaii and Australia. The country lies east-northeast of the Santa Cruz Islands, northeast of Vanuatu, southeast of Nauru, south of Kiribati, west of Tokelau, northwest of Samoa and Wallis and Futuna, and north of Fiji. It is composed of three reef islands and six atolls spread out between the latitude of 5° to 10° south and longitude of 176° to 180°, west of the International Date Line. Tuvalu has a population of 10,507. The total land area of the islands of Tuvalu is 26 square kilometres (10 sq mi).

Uganda, officially the Republic of Uganda, is a landlocked country in East-Central Africa. It is bordered to the east by Kenya, to the north by South Sudan, to the west by the Democratic Republic of the Congo, to the south-west by Rwanda, and to the south by Tanzania. The southern part of the country includes a substantial portion of Lake Victoria, shared with Kenya and Tanzania. Uganda is in the African Great Lakes region. Uganda also lies within the Nile basin, and has a varied but generally a modified equatorial climate.

The United Nations Department of Economic and Social Affairs is part of the United Nations Secretariat and is responsible for the follow-up to major United Nations Summits and Conferences, as well as services to the United Nations Economic and Social Council and the Second and Third Committees of the United Nations General Assembly. UN DESA assists countries around the world in agenda-setting and decision-making with the goal of meeting their economic, social and environmental challenges. It supports international cooperation to promote sustainable development for all, having as a foundation the 2030 Agenda for Sustainable Development and the 17 Sustainable Development Goals (SDGs) as adopted by the UN General Assembly on 25 September 2015. In providing a broad range of analytical products, policy advice, and technical assistance, UN DESA effectively translates global commitments in the economic, social and environmental spheres into national policies and actions and continues to play a key role in monitoring progress towards internationally agreed-upon development goals. It is also a member of the United Nations Development Group.

Vanuatu, officially the Republic of Vanuatu, is an island country located in the South Pacific Ocean. The archipelago, which is of volcanic origin, is 1,750 kilometres (1,090 mi) east of northern Australia, 540 kilometres (340 mi) northeast of New Caledonia, east of New Guinea, southeast of the Solomon Islands, and west of Fiji.

Yemen, officially the Republic of Yemen, is a country at the southern end of the Arabian Peninsula in Western Asia. It is the second-largest Arab sovereign state in the peninsula, occupying 527,970 square kilometres. The coastline stretches for about 2,000 kilometres. It is bordered by Saudi Arabia to the north, the Red Sea to the west, the Gulf of Aden and Guardafui Channel to the south, and Oman to the east. Yemen's territory encompasses more than 200 islands, including the Socotra islands in the Guardafui Channel. Yemen is characterized as a failed state with high necessity of transformation. Yemen's constitutionally stated capital is the city of Sanaa, but the city has been under Houthi rebel control since February 2015 as well as Aden, which is also controlled by the Southern Transitional Council since 2018. Its executive administration resides in Riyadh, Saudi Arabia.

Zambia, officially the Republic of Zambia, is a landlocked country in Southern-Central Africa. Its neighbours are the Democratic Republic of the Congo to the north, Tanzania to the north-east, Malawi to the east, Mozambique to the southeast, Zimbabwe and Botswana to the south, Namibia to the southwest, and Angola to the west. The capital city is Lusaka, located in the south-central part of Zambia. The population is concentrated mainly around Lusaka in the south and the Copperbelt Province to the northwest, the core economic hubs of the country.