Save to Library

The State of Japan

Official Language

Japanese

Destination Stats

Population
Surface Area
Temperature
Water
Energy
Air Quality
Flora
Fauna

Japan is an island nation located in the Pacific Ocean, characterized by its unique blend of traditional and modern culture, rich history, and diverse landscapes. 
Japan is distinguished by its remarkable biodiversity and varied ecosystems.
Explore different regions of Japan to uncover the rich tapestry of natural and cultural heritage that defines this fascinating nation.


Curated and Presented by Ecology Prime™ Data Resources

  • Current: 123.3 Million (2026). This is decreasing
  • Projected population growth: 119.5 million by 2030
  • 51.3 % Female; 48.7% male. 
  • 97.5% Japanese | 0.7% Chinese | ~0.4% Korean | 0.3% Vietnamese | ~0.2% Filipino | ~0.2% Brazilian | 0.7% others
  • Indigenous peoples: ~2 % of the population. They are known as the Ainu and Ryukyuans

Source: Projected Population growth, Population by gender, Ethnic composition, Indigenous People

  • Footprint: 4.65 Global hectares | 11.48 acres
  • Biocapacity: ~0.6 Gha/person
  • Biocapacity Deficit: -4.03 Gha/person
  • Global Ranking: 37

Sources: Ecological Footprint, Ministry of the Environment, Government of Japan

  • Agriculture: 11.7% | 4.42 million hectares | 10.92 million acres
    • Permanent meadows and pastures:  55 % | ~2.43 Mha | ~6 million acres
    • Arable Land and Permanent Crops: 45% | ~1.99 Mha | ~4.92 million acres
  • Forests – 66.2% | 25.02 million hectares (Mha) | 61.8 million acres
  • Artificial Space (Human Development):  5.1% |1.93 Mha | 4.77 million acres
  • Wetlands & Water Bodies: 2.3% | ~870,000 ha | ~2.15 million acres
  • Other (Barren, Mountainous, etc.): 14.7% | 5.56 Mha | 13.74 million acres

(Note: Japan has limited arid/semi-arid land due to its temperate climate.)
Protected Areas: ~20.8% of Japan’s land is protected (7.86 Mha / 19.42M acres)
Sources: MAFF, FAO (Food and Agriculture org), Japan Land use

  • Primary Food Products

Japan’s agriculture is dominated by rice, but it also produces a variety of other crops and livestock. Top Crop Commodities: Rice, Most vegetables (Tomatoes, cabbage, onions), Fruits (Apples, mandarins, strawberries, oranges), Wheat & Barley, Tea & Soybeans.

  • Top Non-crop Food Commodities:

Seafood (Japan is a major fish producer, including tuna, salmon, and shellfish), Dairy Products, Poultry & Eggs, Pork & Beef

  • Top Non-Food Products:

Timber & Forestry Products, Silk & Textiles, Ornamental Plants (e.g., Bonsai, Flowers), Automobiles & Auto Parts, Electronics (Semiconductors, Consumer Tech), Machinery & Industrial Equipment, Chemicals & Pharmaceuticals, Precision Instruments(Sources: Japan External Trade Organization (JETRO), Ministry of Economy, Trade and Industry (METI))

  • Average Annual Surface Temperature: 16.08°C | 62.94 °F
    Japan’s climate varies significantly from north to south due to its long latitudinal range. The country experiences four distinct seasons:
  • Hokkaido (North): Cold winters with heavy snowfall and mild summers.
  • Honshu (Central): Temperate climate with hot, humid summers and cold winters.
  • Kyushu and Okinawa (South): Subtropical climate with warm winters and hot, rainy summers.

Japan is highly vulnerable to climate change, with rising temperatures, increased frequency of extreme weather events, and sea-level rise posing significant challenges. The government has set ambitious targets to achieve carbon neutrality by 2050 and reduce greenhouse gas emissions by 46% by 2030.

  • April to May: Spring 2° to 24°C | 35.6°F to 75.2°F
  • June to August: Summer 16°to 30°C | 60.8°F to 86°F
  • September to November: Fall 7° to 27°C | 44.6°F to 80.6°F
  • December to March: Winter -6° to -20°C | 21.2°F to -4°F

(Liquid water equivalent)

  • Total Renewable Water Resources: 430 km³ | 113.6 quadrillion gallons.
  • Potable Water Supply per Person: 0.0034 km³ | 0.898 billion gallons (annual)
  • Average Precipitation: 1,718 mm | 67.6 inches
  • Annual Precipitation*: 1,690 mm | 66.5 inches

*Liquid water equivalent (includes snowmelt, typhoon rainfall, etc.)
Therefore, the asterisk (*) serves to clarify that the annual precipitation figure provided (1,690 mm or 66.5 inches) is already considered in terms of its liquid water equivalent, considering the water content of all precipitation types combined.

Important Facts

  • Daily Water Withdrawal: 229 million m³/day | 60.5 billion gallons/day (freshwater only).
    • Domestic: 44.4 million m³/day (19.4%) | ~11.73 billion gallons/day
    • Industrial: 32.3 million m³/day (14.1%) | ~8.53 billion gallons/day
    • Agricultural: 152.3 million m³/day (66.5%) | ~40.23 billion gallons/day
  • Water Access:
    • 98.1% of population uses piped public supply.
    • 1.9% relies on private wells

Sources: MLIT, JMA, FAO Aquastat

  • Total Energy Used: 15.51 quadrillion BTU | 391 MTOE | ~4.55 trillion kWh – kilowatt hours)
  • Global Ranking in Energy Consumption: 4 
  • Primary fuel sources used:  Fossil Fuels-71.4%, Renewables – 23.5%, Nuclear – 5.1%.
  • Renewable Energy Sources: Solar – 49.2% | Hydro – 43.7 | Wind – 5.4% | Geothermal – 1.7%

Japan is one of the World’s 17 Megadiverse countries. Key facts about Japan’s biodiversity include:

  • Total Identified Species: 94,000 species.
    • Fauna: 36,500 species (including 200 mammals, 700 birds, and 4,000 fish).
    • Flora: 7,000 species (including 5,000 flowering plants and 1,800 mosses).
    • Fungi and Lichens: 17,500 species.
    • Marine Species: 33,000 species.
  • Endemic Species: ~3,000 animal species and ~2,000 plant species.

(*endemic species are plant or animal species that are uniquely found in a particular geographic location and nowhere else on Earth)

  • Threatened Species: ~3,200 species 

Japan has established 34 national parks and 56 Ramsar wetland sites to protect its unique ecosystems. The country is also a global leader in marine conservation, with extensive efforts to protect coral reefs and marine biodiversity.

(Source: Ministry of the Environment, Japan, IUCN Red Listand GBIF)

Five of the Most Fascinating and Intriguing Natural Wonders of Japan Among Many:

  • Mount Fuji is an iconic, snow-capped volcano and Japan’s highest peak at 3,776 meters (12,389 ft). This perfectly symmetrical cone-shaped mountain is visible from Tokyo on clear days and has been worshipped as a sacred site for centuries. The main feature of Mount Fuji is its stunning volcanic cone shape, which has inspired countless artists throughout history. The mountain is climbable during July-August, offering breathtaking sunrise views from the summit.
  • The Great Snow Corridor (Tateyama Kurobe Alpine Route)This spectacular snow passage features walls of snow reaching up to 20 meters (65 ft) high along the Tateyama Kurobe Alpine Route. Created by massive snowfall in the Japanese Alps, the corridor opens each April after winter, allowing visitors to walk between towering snow walls. The phenomenon occurs due to the region receiving some of the heaviest snowfall on Earth, with accumulations reaching up to 7 meters (23 ft) in winter.
  • Akiyoshido CaveJapan’s largest limestone cave stretches over 9 kilometers (5.6 miles). The main cavern is 1 km long and open to the public, featuring stunning stalactites, underground rivers, and unique rock formations. Originally formed over 300 million years ago, the cave maintains a constant 17°C (63°F) temperature year-round. Recent explorations suggest the cave system may extend much further than currently mapped.
  • Shirakawa-go Gassho-Zukuri Villages, These UNESCO World Heritage-listed villages feature unique thatched-roof houses designed to withstand heavy snowfall. The steeply pitched roofs (called “gassho-zukuri” or “praying hands” style) are constructed without nails and are replaced every 30-40 years. The villages appear like something from a fairy tale, especially when illuminated at night during winter snowfall. Some houses are over 250 years old and still inhabited today.
  • Jigokudani Monkey Park (Snow Monkeys). This unique hot spring area in Nagano Prefecture(Note:Japan is divided into 47 prefectures, which are like states in the US, and are organized into eight regions) is famous for its wild Japanese macaques that bathe in natural onsen (hot springs) during winter. The monkeys descend from steep cliffs and forests to soak in the 40°C (104°F) waters while snow covers the ground. Researchers have studied this behavior for decades, as it’s the only known case of monkeys regularly bathing in hot springs. The park offers year-round viewing of these fascinating primates in their natural habitat.

Destinations – Japan is a proprietary presentation of Ecology Prime™ in collaboration with the Ecology Prime Foundation and iConsult Collaborative in the College of Professional Studies at Syracuse University.

Acknowledgements:

Powered by…

Welcome from Japan!

Japan,officially known as the State of Japan, is an island nation located in East Asia, specifically in the northwest Pacific Ocean. Its mainland is east of South Korea, North Korea, China, and Russia. The northernmost island of Japan, Kunashir, is only 4 kilometers (2.5 miles) away from Russia’s Big Diomede Island, making it one of the closest points between Japan and another country. Japan stretches 2,364 kilometers (1,464 miles) from its northernmost point in Hokkaido Island to its southernmost point in Okinawa, encompassing a wide range of climates and ecosystems. Japan is an archipelago consisting of 14,125 islands, with the four largest being Honshu, Hokkaido, Kyushu, and Shikoku. Of these islands, 258 are officially recognized as inhabited, though broader geographic surveys reveal more than 400 with resident communities. It is the 11th most populous country in the world, with a population of approximately 123.3 million people. The country is bordered by the Pacific Ocean to the east, the Sea of Japan to the west, and the East China Sea to the southwest. Japan is a global leader in innovation and technology, with a strong emphasis on sustainability and environmental conservation. Despite its small land area, Japan is one of the world’s top 30 biologically diverse countries, with a wide range of ecosystems, from subtropical forests in the south to snowy alpine regions in the north. Welcome from Japan on Ecology Prime™ Destinations!

The Chureito Pagoda Temple and Mt. Fuji in Fujiyoshida, Yamanashi Prefecture, Japan.  Located in the Fuji-Hakone-Izu National Park, Mt. Fuji is one of Japan’s most famous and sacred mountains. (Pexels photo by Nguyen Khac Tien)

Official Languages: Japanese

  • English is taught as a second language in schools and is commonly used in business and tourism, though fluency levels vary.
  • Regional dialects: Kansai-ben (spoken in Osaka and Kyoto) and Tohoku-ben (spoken in northern Honshu)..

Unique Facts about Japan: Did You Know…?

  • Japan is home to over 90,000 identified animal species, including 36,500 animal species and 7,000 plant species, among over 50,000 other species including fungi, lichens, and microorganisms. It is one of the world’s 36 biodiversity hotspots.
  • The Japanese names for Japan are Nihon or Nippon, both of which literally means “the sun’s origin.” 
  • Mount Fuji, Japan’s highest peak at 3,776 meters (12,389 feet), is an active volcano and a UNESCO World Heritage Site. It is also a sacred symbol in Japanese culture.
  • Japan is the world’s largest importer of liquefied natural gas (LNG) and the third-largest consumer of oil globally.
  • After the Fukushima Daiichi nuclear disaster in 2011, Japan significantly increased its reliance on fossil fuels, particularly coal, oil, and liquefied natural gas (LNG). Fossil fuels constitute over 72% of Japan’s energy mix, with natural gas holding the largest share.
The Setouchi Kirei Mega Solar Power Plant, located in Setouchi, Okayama, Japan, is the country’s largest solar power station.  It was commissioned in October 2018 and can produce enough energy to power approximately 80,000 households per year.  (Wikimedia Public Domain by Saigen Jiro)
  • Japan is a global leader in renewable energy innovation, with significant investments in solar, wind, and hydrogen energy technologies.
  • The country has one of the lowest crime rates in the world, making it one of the safest places to live and visit.
  • The Japanese archipelago is located in the Pacific Ring of Fire, making it prone to earthquakes and volcanic activity. Japan experiences about 1,500 earthquakes that can be felt annually. There are many, many more that are detected only by instrumentation!
  • The country is famous for its cherry blossoms (Sakura), which attract millions of tourists every spring.
  • Japan has the highest life expectancy in the world, with an average of 84.7 years.
  • The Japanese diet, rich in fish, rice, and vegetables, is considered one of the healthiest in the world.
  • Japan is home to the world’s deepest underwater post-box, located in Susami Bay, Wakayama Prefecture. (*Japan is divided into 47 prefectures, which are like states in the US, and are organized into eight regions)
  • The country has 21 UNESCO World Heritage Sites, including historic temples, shrines, and natural landmarks.
  • Japan is the birthplace of anime and manga, which have become global cultural phenomena.

Japan’s Home Statistics

(Note: Some statistics are approximate due to varying methods of recording by various established sources, i.e., population, living species and water volume totals.  Others are more precise, i.e., surface area, precipitation/rainfall, air quality and temperatures.) 

Population

Total Population: ~123.3 Million (2026) | 119,584,121 Projected by 2030

  • World Rank: 12, 1.5% of the world’s total population.
  • Population Density: 338 people per km2 | 875 people per mi2
  • Most Populous City: Tokyo | 36,400,000 
  • Least Populous City: Utashinai | 2,668

Context:  Japan’s population is declining due to a long-term drop in birthrates combined with a rapidly aging society. Economic pressures on younger generations, shifting social expectations, and cultural factors have contributed to fewer marriages and fewer births. Japan has now recorded 16 consecutive years of declining births, reaching a historic low of fewer than 400,000 births in 2025.

(Source: Japan National Institute of Population and Social Security Research: IPSS)

Surface Area

Total Surface Area: 391,157 km2 | 150,989.6 mi²  

(*The territory of Japan comprises the four large islands of Hokkaido, Honshu, Shikoku, and Kyushu, and 4,121 smaller islands. Approximately 260 of the islands are inhabited.)

  • World ranking area:  63
  • 96.57% is land area: 377,727 km2 | 145,920 mi2 (~ 0.25% of the Earth’s total land area)
  • 3.43% is water surface area: 13,430 km2 | 5,185.35 mi2  (~ 0.0037% of the Earth’s total water surface area).

. 

New! Mother Earth™

Temperature

Average Annual Temperature: 16.08°C | 62.94 °F  

(*The annual average temperature in Japan varies by region due to its diverse climate zones.)

  • Hottest Month (average high): August | 33.6°C (92.5°F).   
  • Coldest Month (average low): January | 11.8°C (53.2°F). 
  • Coldest temperature on record: -41.0°C (-41.8°F) in Asahikawa on January 28, 1902. 
  • Hottest temperature on record: 41.1°C (106°F) in Hamamatsu on August 17, 2020. 

Water

Total Water Volume: 447 billion m³ | 118.66 trillion gallons.      

  • Total water volume includes surface water (420 billion m³ or ~110.95 trillion gallons) and groundwater (27 billion m³ or ~7.3 trillion gallons). 
  • Annual Precipitation (average): 1,668 mm | 65.63 inches. (Japan’s Annual Precipitation)

Dinosaur Dialogues™

Energy

Annual Total Energy Usage: 391 Mtoe | ~ 4.55 trillion kWh | 15.51 quadrillion BTU

  • Global Ranking in Energy Consumption: 4th 
  • Percentage of Total Global Energy Consumption: ~ 2.79%
  • Per Capita Energy Consumption: 3.1 toe| 7.3 MWh

Energy Sources: Fossil fuels – 71.4% | Renewables – 23.5% | Nuclear power – 5.1% 
Renewable Energy Sources:  Solar – 49.2% | Hydro – 43.7 | Wind – 5.4% | Geothermal – 1.7%
Electricity Sources: Natural Gas – 32.8% | Coal – 28.7% | Renewable energy – 26.7% | Nuclear – 8.6% | Oil – 3.2%(Source: Statistical Review of World Energy)

Air Quality

Air Quality Index: AQI 30 – Good

 (2025 Average of most polluted and least polluted cities across Japan) 

  • Global ranking: 40th most polluted nation of 180 monitored.  
  • Most polluted city: Shimonoseki – 58 (Moderate)
  • Least polluted city: Sodegaura – 3 (Good)Leading Pollutants:  Fossil fuel combustion from power plants and industrial facilities, transportation and construction.

Featured: Biological Footprint

View Japan’s Current Air Quality

Real Time Air Quality Index – AQI

(Provided by IQAir)
Click Here!

Estimated Total Number Living Species:  ~ 300,000 Species

(This estimate includes both described species and those identified but not yet formally described, highlighting the extensive and still partially unexplored biodiversity within Japan’s ecosystems. It’s important to note that these numbers are approximate due to varying reporting methods and the continuous nature of species discovery.)  

Flora

Identified Flora: ~ 7,000 species

  • Flowering Plants: 5,000 species
  • Algae: 2,000 species
  • Ferns and Fern Allies: 700 species
  • Conifers: 40 species
  • Mosses & Liverworts: 1,800 species
  • Fungi & Lichens: ~ 17,500 species
    • Fungi: 16,000 species
    • Lichens: 1,500 species

Other (bacteria, plankton, etc.): ~ 33,000 species (This includes marine species, microorganisms, and other groups not fully categorized in the above sections.)

Total Number of Endangered/Threatened Plant and Animal Species: ~ 3,200 species
(Source:  IUCN Red List)

  • Plants (Flora): ~ 1,500 species
    • Critically Endangered: 200 species
    • Endangered: 500 species
    • Vulnerable: 800 species
  • Animals (Fauna): ~ 1,700 species
    • Mammals: 50 species 
    • Birds: 100 species 
    • Reptiles: 30 species 
    • Amphibians: 20 species 
    • Fish: 1,000 species 
    • Invertebrates: 500 species 

At Risk of Extinction

Primary Causes of Threat, Vulnerability & Extinction

  • Habitat loss: Urbanization, deforestation, and agricultural expansion.
  • Climate change: Rising temperatures and changing ecosystems.
  • Pollution: Water and soil contamination.
  • Overexploitation: Overfishing and illegal wildlife trade.
  • Invasive species: Competition from imported species.

Fauna

Identified Fauna: 12,788

Identified Fauna: 36,500 species – about 3% of the world’s 1.2 million identified animal species.

  • Invertebrates: ~ 30,000 species
    • Insects: 24,000 species
    • Arachnids: 1,500 species
    • Crustaceans: 1,200 species
    • Mollusks: 3,000 species
    • Cnidaria (e.g., coral, anemones, jellyfish): 500 species
    • Worms: 800 species
  • Vertebrates: ~ 6,500 species
    • Fishes: 4,000 species
    • Birds: 700 species
    • Mammals: 200 species
    • Reptiles: 150 species
    • Amphibians: 80 species
Iriomote Cat – Japan (Iriomote Wildlife Conservation Center – IWCC)
Japanese Maple (CC BY-SA 4.0 by Agnes Monkelbaan)
Red Crowned (Japanese) Crane (CC BY-SA 4.0 by Christoph MoniRed Crowned (Japanese) Crane (CC BY-SA 4.0 by Christoph Moning)

Destinations: India!

Welcome From India

India is home to over 1.4 billion people, the world’s second most populous country, occupying the world’s seventh largest area of land – including water surface – of nearly 3.3 million square kilometers or about 1.3 million square miles.  Still, with such a huge population, India is only the world’s 30th most densely populated country…
Read More Welcome From India

Sources and Research

Notable Environment Organisations & Platforms in Wales:

Notable French Universities and Colleges for Environmental Studies:

Research and Development Credits

Destinations – Japan is a proprietary presentation of Ecology Prime™ in collaboration with the Ecology Prime Foundation and iConsult Collaborative in the College of Professional Studies at Syracuse University.

Powered by…

Principal Researcher
Karan  Salunkhe |  LinkedIn
iConsult Collaborative

 

Web Publishing
Praneel Mhatre| LinkedIn
iConsult Collaborative