Angola
Angola (/æŋˈɡoʊlə/), officially the Republic of Angola (Portuguese: República de Angola pronounced [ɐ̃ˈɡɔlɐ]; Kikongo, Kimbundu and Umbundu: Repubilika ya Ngola), is a country in Southern Africa. It is the seventh-largest country in Africa, bordered by Namibia to the south, the Republic of the Congo">Democratic Republic of the Congo to the north, Zambia to the east, and the Atlantic Ocean to the west. The exclave province of Cabinda borders the Republic of the Congo"> Republic of the Congo and the Democratic Republic of the Congo. The capital and largest city of Angola is Luanda. Although inhabited since the Paleolithic Era, what is now Angola was molded by Portuguese colonisation
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Human Development Index
The Human Development Index (HDI) is a statistic composite index of life expectancy, education, and Per capita income">per capita income indicators, which are used to rank countries into four tiers of human development. A country scores a higher HDI when the Life expectancy at birth">lifespan is higher, the education level is higher, and the gross national income GNI (PPP) per capita is higher. It was developed by Pakistani economist Mahbub ul Haq and was further used to measure a country's development by the United Nations Development Programme (UNDP)'s Human Development Report Office. The 2010 Human Development Report introduced an Inequality-adjusted Human Development Index (IHDI)
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Ethnic Groups
An ethnic group, or an ethnicity, is a category of people who identify with each other based on similarities such as common ancestry, language, society, culture or nation. Ethnicity is usually an inherited status based on the society in which one lives. Membership of an ethnic group tends to be defined by a shared cultural heritage, ancestry, origin myth, history, homeland, language or dialect, symbolic systems such as religion, mythology and ritual, cuisine, dressing style, art, and physical appearance. Ethnic groups, derived from the same historical founder population, often continue to speak Language family">related languages and share a similar gene pool
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Gini Coefficient
In economics, the Gini coefficient (/ˈdʒiːni/ JEE-nee), sometimes called the Gini index or Gini ratio, is a measure of statistical dispersion intended to represent the Income distribution">income or wealth distribution of a nation's residents, and is the most commonly used measurement of inequality. It was developed by the Italian statistician and sociologist Corrado Gini and published in his 1912 paper Variability and Mutability (Italian: Variabilità e mutabilità). The Gini coefficient measures the inequality among values of a frequency distribution (for example, levels of income). A Gini coefficient of zero expresses perfect equality, where all values are the same (for example, where everyone has the same income)
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Purchasing Power Parity
Purchasing power parity (PPP) is a theory that measures prices at different locations using a common good or goods to contrast the real purchasing power between different currencies. In that case, PPP produces an exchange rate that equals the price of the basket of goods at one location over the price of the basket of goods at a different location. The PPP exchange rate may be different than the market exchange rate because of transportation costs, tariffs, and other frictions
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Gross Domestic Product
Gross domestic product (GDP) is a monetary measure of the market value of all the final goods and services produced in a specific time period. List of countries by GDP (nominal) per capita">GDP (nominal) per capita does not, however, reflect differences in the
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United Nations
The United Nations (UN) is an intergovernmental organization responsible for maintaining international peace and security, developing friendly relations among nations, achieving international cooperation, and being a center for harmonizing the actions of nations. It is the largest, most familiar, most internationally represented and most powerful intergovernmental organization in the world
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Republic
A republic (Latin: res publica, meaning “public affair”) is a form of government in which the country is considered a "public matter", not the private concern or property of the rulers. The primary positions of power within a republic are attained, through democracy, oligarchy, autocracy, or a mix thereof, rather than being unalterably occupied. It has become the opposing form of government to a monarchy and has therefore no monarch as head of state. In the context of American constitutional law, the definition of republic refers specifically to a form of government in which elected individuals represent the citizen body

Geographic Coordinate System
A geographic coordinate system is a coordinate system that enables every location on Earth to be specified by a set of numbers, letters or symbols. The coordinates are often chosen such that one of the numbers represents a vertical position and two or three of the numbers represent a horizontal position; alternatively, a geographic position may be expressed in a combined
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Anguilla
Anguilla (/æŋˈɡwɪlə/ ang-GWIL-ə) is a British overseas territory in the Caribbean. It is one of the most northerly of the Leeward Islands in the Lesser Antilles, lying east of Puerto Rico and the Virgin Islands and directly north of Saint Martin. The territory consists of the main island of Anguilla, approximately 16 miles (26 km) long by 3 miles (4.8 km) wide at its widest point, together with a number of much smaller islands and cays with no permanent population. The island's capital is The Valley. The total land area of the territory is 35 square miles (91 km2--->), with a population of approximately 14,764 (2016 estimate). Anguilla has become a popular tax haven, having no capital gains, estate, profit or other forms of direct taxation on either individuals or corporations
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Demonym
A demonym (/ˈdɛmənɪm/; from Greek δῆμος, dêmos, "people, tribe" and όνομα, ónoma, "name") or gentilic (from Latin gentilis, "of a clan, or gens") is a word that identifies residents or natives of a particular place, usually derived from the name of the place or that of an ethnic group. As a sub-field of anthroponymy, the study of demonyms is called demonymy or demonymics. Examples of demonyms include Cochabambino, for someone from the city of Cochabamba; American for a person from the country called the United States of America"> United States of America; and Swahili, for a person of the Swahili coast. Demonyms do not always clearly distinguish place of origin or ethnicity from place of residence or citizenship, and many demonyms overlap with the ethnonym for the ethnically dominant group of a region
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Presidential System
A presidential system is a democratic and republican system of government where a head of government leads an executive branch that is separate from the Legislative branch">legislative branch. This head of government is in most cases also the head of state, which is called president. In presidential countries, the executive is elected and is not responsible to the legislature, which cannot in normal circumstances dismiss it
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List Of Countries And Dependencies By Area
This is a list of the world's countries and their dependent territories by area, ranked by total area. Entries in this list include, but are not limited to, those in the ISO 3166-1 standard, which includes sovereign states and dependent territories. Largely unrecognised states not in ISO 3166-1 are included in the list in ranked order, but are not given a rank number
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Overseas Chinese
Overseas Chinese (traditional Chinese: 海外華人/海外中國人; simplified Chinese: 海外华人/海外中国人; pinyin: Hǎiwài Huárén/Hǎiwài Zhōngguórén) are people of ethnic Chinese birth or descent who reside outside the territories of Mainland China, Hong Kong, Macau and Taiwan
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List Of Countries And Territories By Population Density
This is a list of countries and dependent territories ranked by population density, measured by the number of human inhabitants per square kilometer. The list includes sovereign states and self-governing dependent territories based upon the ISO standard ISO 3166-1. The list also includes but does not rank unrecognized but de facto independent countries. The figures in the following table are based on areas including inland water bodies (lakes, reservoirs, rivers). Figures used in this article are mainly based on the latest censuses and official estimates (or projections)
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