6,078 articles
Demographics of Tonga
Demographics of Tonga: population of the Kingdom of Tonga, 100,179 at the 2021 census, concentrated on Tongatapu, with declining growth, high fertility, and heavy net emigration.
Demographics of Toronto
Demographics of Toronto: population, age, immigration, ethnocultural and religious makeup of the City of Toronto and its census metropolitan area. 2021 Census: 2,794,356 city residents, 6,202,225 CMA, 46.6% immigrants, 55.7% racialized population.
Demographics of Trinidad and Tobago
Demographics of Trinidad and Tobago: population 1,328,019 at the 2011 census, about 1,367,764 in 2025; decennial censuses since 1851; East Indian and African major groups; now near-zero growth.
Demographics of Turkey
Demographics of Turkey (Türkiye): population 86,092,168 at end-2025 per TurkStat (UN: 87.7 million), median age 34.9, total fertility rate 1.48, life expectancy 78.5 years, aging population, large refugee-hosting history, and projected decline by 2100.
Demographics of Turkmenistan
Demographics of Turkmenistan: population size, distribution, age structure, and composition. 2022 census counted 7,057,841 (47.1% urban); UN estimates about 7.6 million in 2025; Mary velayat largest region.
Demographics of Tuvalu
The demographics of Tuvalu cover its population of 10,643 at the 2022 census, concentrated on Funafuti atoll, and its emigration, including the Australia–Tuvalu Falepili Union climate mobility pathway.
Demographics of Ukraine
Demographics of Ukraine: population size, structure and dynamics of a country whose only post-independence census (2001) counted 48.7 million, which declined to roughly 36-39 million after war-driven displacement, record-low fertility of 0.9, and emigration.
Demographics of Uruguay
Demographics of Uruguay: population of about 3.5 million per the weighted 2023 census (3,499,451), 0.2% annual growth 2011-2023, TFR 1.27, rapid aging, peak in 2020 and projected decline to 3 million by 2070.
Demographics of Utah
Demographics of Utah: state population 3,271,616 (2020 census), 3,538,904 estimated July 2025; youngest median age of any state (32.6); 17.6% Hispanic or Latino; rapid growth from natural change and migration.
Demographics of Uttar Pradesh
The demographics of Uttar Pradesh describe the population of India's most populous state, home to about 16.5 percent of India's people, with 235.7 million projected for 2023.
Demographics of Uzbekistan
Uzbekistan, a Central Asian country, reported a preliminary population of 39,047,321 in its 2026 census. The population is distributed unevenly, with 54.5% of residents living in urban areas.
Demographics of Venezuela
The demographics of Venezuela describe the size, structure, and dynamics of the country's population, estimated at about 28.5 million in 2025 after peaking above 30 million in 2016.
Demographics of Vietnam
Demographics of Vietnam: population size, growth, fertility, urbanization, migration, ethnicity and aging of Viet Nam, a 100-million-person Southeast Asian country with below-replacement fertility since the 2020s.
Demographics of Washington, D.C.
Demographics of Washington, D.C. describe the district's population, about 693,645 in 2025, down from a 1950 peak of 802,000 and up from a 2000 low of 572,059, with shifting racial, age, and income composition.
Demographics of Western Sahara
Demographics of Western Sahara: disputed North African territory with UN-projected 2025 population of 601,000, density 2.3/km2, heavily urbanized; no post-1976 census, so counts range from about 500,000 to 1 million, plus roughly 173,600 Sahrawi refugees in Tindouf camps.
Demographics of Yemen
Demographics of Yemen: the UN estimates 41.8 million people in 2025, with 41% under age 15, a total fertility rate of 4.4, life expectancy of 67 (male) and 72 (female), 4.8 million internally displaced, and estimates based on the 1975, 1994, and 2004 censuses.
Demographics of Zambia
Demographics of Zambia tracks the population of the Southern African nation. It is characterized by rapid growth and a young age structure, with 41 percent of people aged 0 to 14.
Demographics of Zimbabwe
The demographics of Zimbabwe cover the country's population, which the 2022 census counted at 15,178,979, up 16.2 percent from 2012, with a young median age of 17.8 years.
Demography
Demography, also called population studies, is the statistical study of human populations: their size, composition, and distribution, shaped by fertility, mortality, and migration, using census, survey, and vital registration data and methods from life tables to projections.
Demography of the Netherlands
Demography of the Netherlands: Dutch population statistics, 17.8-18 million inhabitants, growth driven 97% by migration, ageing population, and CBS census history and forecasts.
DeMolay International
DeMolay International, originally the Order of DeMolay, is a Masonic-sponsored fraternal youth organization for young men ages 12-21, founded in 1919 in Kansas City, Missouri by Frank S. Land and named for Jacques DeMolay, last Grand Master of the Knights Templar.
Demonic UFO hypothesis
The Demonic UFO hypothesis suggests that UFO encounters are manifestations of demons, a view held by some Christian students and recently voiced by US Vice President JD Vance.
Dene
Dene: Indigenous Athabaskan-speaking peoples of Canada's western subarctic and Denendeh, part of the Na-Dené family, with modern land claim treaties (Sahtu 1994, Tłı̨chǫ 2005) and the proposed Dené-Yeniseian link to Siberia's Ket.
Denial
Denial is a psychoanalytic defense mechanism in which unpleasant thoughts, feelings, or events are excluded from conscious awareness to reduce anxiety; empirically well supported, time-limited, and adaptive in crises but harmful when prolonged.
Denial of the October 7 attacks
Denial of the October 7 attacks: claims denying or minimizing the 2023 Hamas-led assault (around 1,200 killed, 251 abducted), including staged-image, false flag, and sexual-violence denial narratives documented by ADL, CyberWell, ISD, and NewsGuard.
Denis Kearney
Denis Kearney (c. 1847-1907), Irish-born San Francisco agitator, founded the Workingmen's Party of California in 1877 and led anti-Chinese agitation with the slogan "The Chinese must go!"
Denmark Vesey
Denmark Vesey (c. 1767–1822), also known as Telemaque, was a free Black Charleston carpenter hanged in 1822 for allegedly plotting a large slave insurrection set for Bastille Day; 35 were executed, and historians still dispute whether the plot was real.
Denys Finch Hatton
Denys Finch Hatton (1887–1931), Hon. Denys George Finch Hatton, English aristocrat, farmer and white hunter in Kenya; Karen Blixen's lover, model for Out of Africa, killed in a Gipsy Moth crash near Voi.
Dependency ratio
The dependency ratio expresses dependents (under 15 or 65+) per 100 people of working age (15–64); also child and old-age dependency ratios; used in demographic dividend and fiscal aging analysis.
Depression Anxiety Stress Scales
The Depression Anxiety Stress Scales (DASS) are public-domain self-report questionnaires measuring depression, anxiety, and stress over the past week, published by P.F. Lovibond and S.H. Lovibond in 1995.