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Population Pyramid
A population pyramid (age structure diagram) or "age-sex pyramid" is a graphical illustration of the distribution of a population (typically that of a country or region of the world) by age groups and sex; it typically takes the shape of a pyramid when the population is growing. Males are usually shown on the left and females on the right, and they may be measured in absolute numbers or as a percentage of the total population. The pyramid can be used to visualize the age of a particular population. It is also used in ecology to determine the overall age distribution of a population; an indication of the reproductive capabilities and likelihood of the continuation of a species. Number of people per unit area of land is called population density. Structure A population pyramid often contains continuous stacked-histogram bars, making it a horizontal bar diagram. The population size is shown on the x-axis (horizontal) while the age-groups are represented on the y-axis (vertical). The ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Age Stratification
In sociology, age stratification refers to the hierarchical ranking of people into age groups within a society. Age stratification could also be defined as a system of inequalities linked to age. In Western societies, for example, both the old and the young are perceived and treated as relatively incompetent and excluded from much social life. Age stratification based on an ascribed status is a major source inequality, and thus may lead to ageism. Ageism is a social inequality resulting from age stratification. This is a sociological concept that comes with studying aging population. Age stratification within a population can have major implications, affecting things such as workforce trends, social norms, family structures, government policies, and even health outcomes. Age structure Age stratification is not a fixed phenomenon, but rather varies with the passage of time and between cultures and populations. Shifting age structure of a population changes the age stratificat ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Angola Population Pyramid 2005
, national_anthem = "Angola Avante"() , image_map = , map_caption = , capital = Luanda , religion = , religion_year = 2020 , religion_ref = , coordinates = , largest_city = capital , official_languages = Portuguese , languages2_type = National languages , languages2 = , ethnic_groups = , ethnic_groups_ref = , ethnic_groups_year = 2000 , demonym = , government_type = Unitary dominant-party presidential republic , leader_title1 = President , leader_name1 = João Lourenço , leader_title2 = Vice President , leader_name2 = Esperança da CostaInvestidura do Preside ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Gunnar Heinsohn
Gunnar Heinsohn is a German author, sociologist and economist and professor emeritus at the University of Bremen. In 1984 he received a ''Lehrstuhl'', a tenured chair in social pedagogy at the University of Bremen. Heinsohn has published on a wide array of topics, starting from economics, demography and its relationship with security policy and genocide, and revisionist chronology theories in the tradition of Immanuel Velikovsky. Life and work Heinsohn was born on November 21, 1943, in Gotenhafen (Gdynia)) the third son of Kriegsmarine U-boat commander Heinrich "Henry" Heinsohn (1910-1943) and Roswitha Heinsohn, née Maurer (1917-1992). Heinrich Heinsohn was stationed in Gdynia (at that time in German “Gotenhafen”) and died before his son was born when his submarine U-438 was sunk. In June 1944 the family came to Blankenhagen in Pomerania. In January 1945 they fled to Schashagen, and in 1950 the family moved to Pützchen near Bonn. He attended school in Oberkassel, Bonn ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Middle East
The Middle East ( ar, الشرق الأوسط, ISO 233: ) is a geopolitical region commonly encompassing Arabian Peninsula, Arabia (including the Arabian Peninsula and Bahrain), Anatolia, Asia Minor (Asian part of Turkey except Hatay Province), East Thrace (European part of Turkey), Egypt, Iran, the Levant (including Syria (region), Ash-Shām and Cyprus), Mesopotamia (modern-day Iraq), and the Socotra Governorate, Socotra Archipelago (a part of Yemen). The term came into widespread usage as a replacement of the term Near East (as opposed to the Far East) beginning in the early 20th century. The term "Middle East" has led to some confusion over its changing definitions, and has been viewed by some to be discriminatory or too Eurocentrism, Eurocentric. The region includes the vast majority of the territories included in the closely associated definition of Western Asia (including Iran), but without the South Caucasus, and additionally includes all of Egypt (not just the Sina ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Libya
Libya (; ar, ليبيا, Lībiyā), officially the State of Libya ( ar, دولة ليبيا, Dawlat Lībiyā), is a country in the Maghreb region in North Africa. It is bordered by the Mediterranean Sea to the north, Egypt to Egypt–Libya border, the east, Sudan to Libya–Sudan border, the southeast, Chad to Chad–Libya border, the south, Niger to Libya–Niger border, the southwest, Algeria to Algeria–Libya border, the west, and Tunisia to Libya–Tunisia border, the northwest. Libya is made of three historical regions: Tripolitania, Fezzan, and Cyrenaica. With an area of almost 700,000 square miles (1.8 million km2), it is the fourth-largest country in Africa and the Arab world, and the List of countries and outlying territories by total area, 16th-largest in the world. Libya has the List of countries by proven oil reserves, 10th-largest proven oil reserves in the world. The largest city and capital, Tripoli, Libya, Tripoli, is located in western Libya and contains over ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Egypt
Egypt ( ar, مصر , ), officially the Arab Republic of Egypt, is a transcontinental country spanning the northeast corner of Africa and southwest corner of Asia via a land bridge formed by the Sinai Peninsula. It is bordered by the Mediterranean Sea to the north, the Gaza Strip of Palestine and Israel to the northeast, the Red Sea to the east, Sudan to the south, and Libya to the west. The Gulf of Aqaba in the northeast separates Egypt from Jordan and Saudi Arabia. Cairo is the capital and largest city of Egypt, while Alexandria, the second-largest city, is an important industrial and tourist hub at the Mediterranean coast. At approximately 100 million inhabitants, Egypt is the 14th-most populated country in the world. Egypt has one of the longest histories of any country, tracing its heritage along the Nile Delta back to the 6th–4th millennia BCE. Considered a cradle of civilisation, Ancient Egypt saw some of the earliest developments of writing, agriculture, ur ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sine Qua Non
''Sine qua non'' (, ) or ''condicio sine qua non'' (plural: ''condiciones sine quibus non'') is an indispensable and essential action, condition, or ingredient. It was originally a Latin legal term for " conditionwithout which it could not be", "but for...", or "without which here isnothing." Also, "''sine qua non'' causation" is the formal terminology for "but-for causation." Origin and spread As a Latin term, it occurs in the work of Boethius, and originated in Aristotelian expressions. In Classical Latin, the form uses the word (from the verb , , to agree upon), but in later Latin the phrase is also used with , an error in translation as means ''construction'' and not ''condition''. It has passed from a merely legal usage to a more general usage in many languages, including English, German, French, Italian and Spanish. General usage U.S. president Andrew Jackson once gave a toast on the occasion of his receiving an honorary doctorate from Harvard University, responding ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Henrik Urdal
Henrik Urdal (born 19 October 1972) is a Norwegian political scientist and the current director of the Peace Research Institute Oslo (PRIO). Before his appointment as director in 2017 he was a research professor and research director at the institute. He was editor-in-chief of the ''Journal of Peace Research'', the premier journal in the field, from 2010 to 2017. Research interests Urdal's research interests include the relationship between demography, environment, and politics, particularly focusing on how population growth, "youth bulges", and climate change affect violent conflict. Education and work experience Since 2000, Urdal has been affiliated with PRIO, first as a student, then moving on to positions as researcher, senior researcher, Research Professor and Research Director. Urdal received his Research Professor competence in 2013. He obtained his PhD in political science from the University of Oslo in 2007, entitled Demography and Internal Armed Conflict'. Urdal was ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Political Instability
Political decay is a political theory, originally described by Samuel P. Huntington, which describes how chaos and disorder can arise from social modernization increasing more rapidly than political and institutional modernization. Huntington provides different definitions for political development and describes the forms of political decay according to the various definitions. Huntington focuses primarily on political development as modernization and institutionalization. However, he points to the different definitions of political development as being arbitrary ways to understanding the rise of political systems and the relationship between the political systems in different nations. Political development Huntington identifies two characteristics of political development. The first is that development is synonymous with modernization, thus political development can be defined as political modernization. The second is that there are many criteria to measure political development b ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Great Recession
The Great Recession was a period of marked general decline, i.e. a recession, observed in national economies globally that occurred from late 2007 into 2009. The scale and timing of the recession varied from country to country (see map). At the time, the International Monetary Fund (IMF) concluded that it was the most severe economic and financial meltdown since the Great Depression. One result was a serious disruption of normal international relations. The causes of the Great Recession include a combination of vulnerabilities that developed in the financial system, along with a series of triggering events that began with the bursting of the United States housing bubble in 2005–2012. When housing prices fell and homeowners began to abandon their mortgages, the value of mortgage-backed securities held by investment banks declined in 2007–2008, causing several to collapse or be bailed out in September 2008. This 2007–2008 phase was called the subprime mortgage crisis. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Great Depression
The Great Depression (19291939) was an economic shock that impacted most countries across the world. It was a period of economic depression that became evident after a major fall in stock prices in the United States. The economic contagion began around September and led to the Wall Street stock market crash of October 24 (Black Thursday). It was the longest, deepest, and most widespread depression of the 20th century. Between 1929 and 1932, worldwide gross domestic product (GDP) fell by an estimated 15%. By comparison, worldwide GDP fell by less than 1% from 2008 to 2009 during the Great Recession. Some economies started to recover by the mid-1930s. However, in many countries, the negative effects of the Great Depression lasted until the beginning of World War II. Devastating effects were seen in both rich and poor countries with falling personal income, prices, tax revenues, and profits. International trade fell by more than 50%, unemployment in the U.S. rose to 23% and ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Economic Recession
In economics, a recession is a business cycle contraction when there is a general decline in economic activity. Recessions generally occur when there is a widespread drop in spending (an adverse demand shock). This may be triggered by various events, such as a financial crisis, an external trade shock, an adverse supply shock, the bursting of an economic bubble, or a large-scale anthropogenic or natural disaster (e.g. a pandemic). In the United States, a recession is defined as "a significant decline in economic activity spread across the market, lasting more than a few months, normally visible in real GDP, real income, employment, industrial production, and wholesale-retail sales." The European Union has adopted a similar definition. In the United Kingdom, a recession is defined as negative economic growth for two consecutive quarters. Governments usually respond to recessions by adopting expansionary macroeconomic policies, such as increasing money supply and decreasing ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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