All articles starting with D
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Democratic-socialist organizations and internationals
Democratic-socialist organizations and internationals are associations of independent socialist, social-democratic, and labor parties that coordinate positions across borders, including the Socialist International, founded in 1951, and the Progressive Alliance.
Democratization
Democratization: the transition from authoritarian rule to democracy, studied through Huntington's waves of democratization, pacted transitions, indices such as Freedom House, V-Dem, Polity, and EIU, and the current global autocratization trend.
Democrats – Progressive Centre
Democrats – Progressive Centre (Δημοκράτες – Προοδευτικό Κέντρο) is a Greek centrist, pro-European political party founded by Stefanos Kasselakis in 2024; it joined the European Democratic Party in 2025.
Democrats (Slovenia)
Democrats (Demokrati. Anžeta Logarja) is a centre-right Slovenian party founded by Anže Logar in 2024 after his split from the SDS. It won 6.69% and six seats in 2026 and joined Janša's coalition government with three portfolios.
Democrats 66
Democrats 66 (D66, Democraten 66) is the Dutch social-liberal party founded 14 October 1966 by Hans van Mierlo and Hans Gruijters. It won 26 seats in October 2025 and leads the minority Jetten cabinet with VVD and CDA from February 2026.
Democrats Abroad
Democrats Abroad, formally the Democratic Party Committee Abroad, is the Democratic Party's organization for Americans living outside the United States, founded in 1964 and represented on the DNC by six voting members.
Democritus (Δημόκριτος)
Democritus (Δημόκριτος) of Abdera, Greek philosopher c. 460–c. 360 BCE, co-founder with Leucippus of ancient atomism: indivisible atoms moving in the infinite void; developed its epistemology, psychology, and ethics; major influence on Epicurus.
Demodex
Demodex is a genus of microscopic mites living in human hair follicles and sebaceous glands; D. folliculorum and D. brevis are permanent human ectoparasites, near-universal in adults, linked to rosacea, demodicosis, and Demodex blepharitis, treated with lotilaner 0.25% (XDEMVY).
Demodex folliculorum
Demodex folliculorum, the human follicle mite (with Demodex brevis), a 0.3–0.4 mm commensal eyelash mite; overgrowth causes blepharitis and rosacea, treated with tea tree oil, ivermectin, and lotilaner 0.25%.
Demodicosis
Demodicosis is inflammatory skin or eye disease from overgrowth of Demodex folliculorum or Demodex brevis mites, normal skin flora; diagnosed above five mites/cm², treated with ivermectin, and strongly associated with but not proven causal for rosacea.
Demodocus (crater on Tethys)
Demodocus is a 125-km-wide impact crater on Tethys, Saturn's icy moon, at 59.37°S, 18.21°, near Ithaca Chasma; IAU-approved in 2008 and named for the blind Phaeacian singer in Homer's Odyssey.
Demodulation
Demodulation, or to demodulate, is the reverse of modulation: the process a receiver uses to recover the original audio, video, or data from a modulated carrier wave.
Demodulation reference signal
A demodulation reference signal (DM-RS, DMRS) is a pilot signal in LTE and 5G NR that lets a receiver estimate the radio channel and demodulate its assigned transmission.
Demogorgon
Demogorgon: a name born from a scribal misreading of "demiurge," made ancestor of the pagan gods by Boccaccio, treated by Milton and Shelley, then the two-headed Prince of Demons in Dungeons & Dragons and the flower-headed monster of Stranger Things season 1.
Demographic and Health Surveys
The Demographic and Health Surveys (DHS) are standardized, nationally representative household surveys collecting population, health, and nutrition data in over 90 low- and middle-income countries since 1984.
Demographic dividend
Demographic dividend: growth potential when fertility decline raises the working-age share. Also called first and second demographic dividends; East Asia gained up to 33.9% output per consumer, 1960-2000.
Demographic economics
Demographic economics is the branch of economics that studies how population size and, above all, age structure affect labor supply, saving, growth, pensions, public finances, and migration.
Demographic history of Palestine (region)
Demographic history of Palestine (region): population of the land between the Mediterranean and the Jordan, also called historic Palestine. Covers Ottoman-era counts (~465,000), Mandate censuses (757,182 in 1922; 1,765,000 by 1944), Jewish immigration, and the 1948 and 1967 displacements.
Demographic history of the United States
Demographic history of the United States: population growth from 3.9 million at the 1790 census to about 342 million in 2025, tracked by the decennial census, covering urbanization, immigration, racial composition change, undercounts, and aging.
Demographic transition
The demographic transition, or demographic transition theory, describes how societies move from high birth and death rates to low ones, with rapid population growth in between as mortality falls first.
Demographics of Afghanistan
Demographics of Afghanistan: population about 43.8 million (UN 2025), median age 18.3, fertility 4.7, only census in 1979 (partial), heavy youth structure, mass returns from Iran and Pakistan since 2023.
Demographics of Africa
The demographics of Africa cover the population of the continent, its fertility, age structure, and growth, with a median age of 20.5 years and about 1.58 billion people in 2026.
Demographics of Albania
Demographics of Albania: resident population 2.4 million at the 2023 census (2,335,930 on 1 January 2026), declining since 1990 through emigration and sub-replacement fertility, with rapid aging, 19.7% aged 65+.
Demographics of Argentina
Demographics of Argentina: population of about 46 million (2022 census, INDEC), 21% under 15 and 13% over 65, fertility down to 1.5 births per woman, life expectancy 75-80 years, and projected population decline after peaking between 2025 and 2054.
Demographics of atheism
Demographics of atheism covers the size, distribution and change of atheist and religiously unaffiliated ("nones") populations: 1.9 billion unaffiliated (24.2% of humanity) in 2020, concentrated in China, Japan and the US, growing mainly through religious switching.
Demographics of Atlanta
Demographics of Atlanta: the city had 498,715 residents in 2020 (529,110 estimated 2025), 46.0% Black and 39.1% white, within a 5.0 million metro marked by a north-south racial divide and declining but persistent segregation.
Demographics of Australia
The demographics of Australia describe the size, composition, and growth of its population, which reached 27.8 million in December 2025, growing 1.5 percent yearly, mostly through overseas migration.
Demographics of Austria
The demographics of Austria describe a population of 9,215,956 in January 2026, growing 0.2 percent a year through immigration, with aging, low fertility, and 20.4 percent foreign nationals.
Demographics of Bangladesh
Demographics of Bangladesh: population size, age structure, fertility, mortality and migration of Bangladesh, a South Asian country of about 175.7 million in 2025, 98% Bengali, with a TFR near 2.1 replacement level.
Demographics of Belarus
The demographics of Belarus, or the population of Belarus, cover an Eastern European population of about 9.1 million that has been shrinking and aging since the early 1990s.