Geography & Nature

• Highest Mountain: Mount Everest, Nepal/Tibet – 8,848.86 meters (29,031.7 feet)
• Longest Mountain Range (above sea level): The Andes, approximately 7,500 kilometres along South America.
• Longest River: Nile River, Africa – Approximately 6,650 km (4,130 miles)
• Largest Desert (Non-Polar): Sahara Desert, Africa – Approximately 9.2 million sq km (3.6 million sq miles)
• Deepest Ocean: Pacific Ocean – Mariana Trench, Depth – 11,034 meters (36,201 feet)
• Largest Ocean: Pacific Ocean – Covering over 63 million square miles
• Largest Lake: Caspian Sea – 371,000 sq km (143,000 sq miles)
• Hottest Place: Death Valley, California, USA – Record high temperature of 56.7°C (134°F)
• Largest Island: Greenland (excluding continents) – 2.166 million sq km (836,331 sq miles)
• Longest Coastline: Canada – Approximately 202,080 km (125,567 miles)
• Deepest Lake: Lake Baikal, Russia – 1,642 meters (5,387 feet) deep
• Largest Coral Reef System: Great Barrier Reef, Australia – Over 2,300 km (1,429 miles) long
• Largest Rainforest: Amazon Rainforest, South America – Covers over 5.5 million sq km (2.1 million sq miles)
• Largest Waterfall (By Volume): Inga Falls, Congo River, Africa – Approximately 25,060 cubic meters per second
• Largest Archipelago: Indonesia – Comprising over 17,000 islands
• Smallest Country by Area: Vatican City – 44 hectares (110 acres)
• Highest Waterfall: Angel Falls, Venezuela – 979 meters (3,212 feet)
• Coldest Inhabited Place: Oymyakon, Russia – Winter temperatures drop to -50°C (-58°F) and below
• Largest Glacier: Lambert Glacier, Antarctica – Approximately 100 km wide, 400 km long
• Largest Wetland: Pantanal, spread across Brazil, Bolivia, and Paraguay.
• Largest Rainforest: Amazon Rainforest, spanning 5.5 million square kilometres.
• Largest Bay: Hudson Bay, Canada.
• Largest Volcano: Mauna Loa in Hawaii, with a volume of over 75,000 cubic kilometres.
• Driest Place: Atacama Desert, Chile, with almost no rainfall.
  

Human-Made Structures

• Tallest Building: Burj Khalifa, Dubai, UAE – 828 meters (2,717 feet)
• Longest Bridge: Danyang–Kunshan Grand Bridge, China – 164.8 km (102.4 miles)
• Largest Dam: Three Gorges Dam, China – 2,335 meters (7,660 feet) long, 185 meters (607 feet) high
• Largest Religious Monument: Angkor Wat, Cambodia – Covers an area of 162.6 hectares (402 acres)
• Tallest Tower: Tokyo Skytree, Japan – 634 meters (2,080 feet)
• Longest Tunnel: Gotthard Base Tunnel, Switzerland – 57.1 km (35.5 miles) in length
• Largest Airport: King Fahd International Airport, Saudi Arabia – Covers approximately 780 sq km (301 sq miles)
• Largest Stadium: Narendra Modi Stadium, Ahmedabad, India – Capacity of around 132,000 spectators
• Largest Palace (By Area): The Forbidden City, Beijing, China – Covers 720,000 sq meters (178 acres)
• Largest Shopping Mall: The Dubai Mall, UAE – Over 1.1 million sq meters (12 million sq feet) of retail space
• Longest Wall: Great Wall of China – Stretches over 21,196 km (13,171 miles)
• Largest Hotel: First World Hotel, Malaysia – Over 7,351 rooms
• Tallest Statue: Statue of Unity, India – 182 meters (597 feet)
• Largest Temple Complex: Akshardham Temple, Delhi, India – Covers 100 acres, including gardens and cultural exhibits

Human Achievement & Records

• Most Populous Country: China – Over 1.4 billion people
• Largest Economy by GDP: United States – GDP of over $25 trillion
• Most Spoken Language: English – Over 1.5 billion speakers globally
• Most Widely Practised Religion: Christianity – Over 2.3 billion adherents worldwide
• Most Visited City: Bangkok, Thailand – Attracting over 22 million international visitors annually
• Richest Person: Elon Musk (subject to change) – Net worth exceeding $200 billion
• Most Populous City: Tokyo, Japan – Over 37 million residents in the metropolitan area
• Oldest Continuous Civilisation: China – Over 4,000 years of recorded history
• Largest Armed Forces: People’s Liberation Army, China – Over 2 million active personnel
• Largest Democracy: India – With over 900 million eligible voters
• Most Diverse Language: Papua New Guinea – Over 850 languages spoken
• Largest Number of World Heritage Sites: Italy – 58 UNESCO World Heritage Sites
• Largest Wine Producer: Italy – Produces over 47 million hectoliters annually
• Largest Employer: United States Department of Defence – Employs over 2.9 million people, including military and civilian staff
• Largest Sports Event: FIFA World Cup – Attracts billions of viewers worldwide

Science & Technology (General Knowledge 2024)

• Largest Space Station: International Space Station (ISS) – Orbiting 400 km (248 miles) above Earth, spanning 109 meters end-to-end
• Fastest Supercomputer: Frontier (Oak Ridge National Laboratory, USA) – Capable of performing over 1 quintillion calculations per second (1 exaflop)
• Most Downloaded App: TikTok – Over 3 billion downloads globally
• Longest Human Lifespan: Jeanne Calment, France – Lived to be 122 years and 164 days old (1875-1997)
• Largest Artificial Island: Palm Jumeirah, Dubai, UAE – Extends over 5 km into the Persian Gulf
• Most Expensive Painting: Salvator Mundi by Leonardo da Vinci – Sold for $450.3 million in 2017
• Largest Space Telescope: James Webb Space Telescope (JWST) – The JWST, launched by NASA, ESA, and the CSA, offers unparalleled resolution and sensitivity across infrared wavelengths, revealing distant galaxies, exoplanets, and early cosmic structures.
• Most Advanced AI Model: GPT-4 by OpenAI – GPT-4 builds on its predecessors with improved language capabilities, higher reasoning skills, and multimodal support, making it a versatile tool for applications in fields from healthcare to finance.
• Most Powerful Battery: QuantumScape Solid-State Battery – QuantumScape’s battery technology achieves a high energy density using a ceramic electrolyte, addressing issues like safety and capacity for electric vehicles, making it a leader in battery innovation.
• Fastest Satellite Internet: Starlink V2 Mini – SpaceX’s Starlink V2 Mini satellites offer faster speeds and greater bandwidth, improving global internet connectivity, especially in remote regions.
• Biggest Solar Farm: Bhadla Solar Park, India – Spanning over 14,000 acres in Rajasthan, Bhadla Solar Park boasts a total capacity of 2,245 MW, supplying renewable energy to millions in India.
• Largest Offshore Wind Farm: Dogger Bank Wind Farm, North Sea – Located off the coast of the UK, Dogger Bank will be the world’s largest offshore wind farm upon completion, with a capacity of 3.6 GW—enough to power 6 million homes.
• Tallest Wooden Skyscraper: Ascent MKE, Milwaukee – Ascent MKE stands 284 feet tall and showcases sustainable building practices with its timber construction, demonstrating how skyscrapers can be eco-friendly without sacrificing height.
• Highest-Resolution Quantum Microscope: Quantum Atomic Force Microscope – This microscope can capture atomic-level detail, allowing scientists to study molecular structures and interactions with unprecedented precision, advancing materials science and nanotechnology.
• Most Energy-Dense Solid-State Battery: Solid Power Battery – Solid Power’s solid-state battery features lithium-metal technology, significantly increasing energy density, which could allow for longer ranges in electric vehicles.
• Fastest Supercomputer: Frontier, Oak Ridge National Laboratory – Frontier, with a processing power of over 1 exaflop, leads the world in supercomputing speed, aiding complex simulations in physics, biology, and climate science.
• Longest-Range Electric Car: Lucid Air Sapphire – The Lucid Air Sapphire offers an industry-leading range of over 500 miles on a single charge, making it the longest-range electric vehicle on the market.
• Most Efficient Solar Panel: HJT-Tandem Cells – Heterojunction (HJT)-Tandem solar cells reach efficiencies above 30%, combining silicon and perovskite layers for enhanced light absorption, setting a new benchmark in solar energy technology.
• Highest Precision Weather Forecast Model: AI-Driven ClimateNet – ClimateNet utilises AI and high-resolution data to provide localised, real-time weather forecasts, enhancing accuracy in predicting extreme weather events.
• Most Comprehensive Cancer Genomics Project: Cancer Genome Atlas – This extensive project maps the genomic alterations across various cancer types, providing critical insights for personalised medicine and targeted treatments.

Quick Revision: List of Superlatives of the World 2025