As a growing number of younger Japanese are not marrying or remaining childless, Japan's population is expected to drop to around 88 million by 2065. As of 2025update, over 29.3% of the population is over 65, or more than one in four out of the Japanese population. The country has therefore aimed to diversify its sources and maintain high levels of energy efficiency. The Sendai Nuclear Power Plant restarted in 2015, and since then several other nuclear power plants have been restarted.
Language
In 645, the government led by Prince Naka no Ōe and Fujiwara no Kamatari devised and implemented the far-reaching Taika Reforms. Before 日本 was adopted in the early 8th century, the country was known in China as Wa (倭, changed in Japan around 757 to 和) and in Japan by the endonym Yamato. A developed country with one of the world's largest economies by nominal GDP, it is a global leader in the automotive, electronics, and robotics industries, in addition to making significant contributions to science and technology. Widely considered a great power and the only Asian member of the G7, it maintains one of the world's strongest militaries but has constitutionally renounced its right to declare war. The country annexed Korea in 1910, invaded China in 1937, and attacked the U.S. and European colonial powers in 1941, thus entering World War II as an Axis power. After rule by the Kamakura and Ashikaga shogunates and a century of warring states, Japan was unified in 1600 by the Tokugawa shogunate, which implemented an isolationist foreign policy.
The resignation of the shōgun led to the Boshin War and the establishment of a centralized state nominally unified under the emperor (the Meiji Restoration). Modern Japan's economic growth began in this period, resulting in roads (Kaidō) and water transportation routes, as well as financial instruments such as futures contracts, banking and insurance of the Osaka rice brokers. When open war broke out, Ieyasu defeated rival clans in the Battle of Sekigahara in 1600. Tokugawa Ieyasu served as regent for Hideyoshi's son Toyotomi Hideyori within the Council of Five Elders and used his position to gain political and military support. During the 16th century, Portuguese traders and Jesuit missionaries reached Japan for the first time, initiating direct commercial and cultural exchange between Japan and the West (see Nanban trade and Nanban art).
Between the 4th and 6th centuries, its kingdoms were united https://www.richyfox.co.uk/ under an emperor in Nara and later in Heian-kyō. Japan's neighbors include the Republic of Korea, China and Russia.
National Flag and Anthem
Around 14,500 BC (the start of the Jōmon period), a Mesolithic to Neolithic semi-sedentary hunter-gatherer culture characterized by pit dwelling and rudimentary agriculture emerged. The old Malay name for Japan, Japang or Japun, was borrowed from a southern coastal Chinese dialect and encountered by Portuguese traders in Southeast Asia, who brought the word to Europe in the early 16th century. In the 13th century, Marco Polo recorded the Early Mandarin Chinese pronunciation of the characters 日本國 as Cipangu. The characters 日本 mean 'sun origin', which is the source of the popular Western epithet "Land of the Rising Sun". Nihon is typically used in everyday speech and reflects shifts in Japanese phonology during the Edo period.
National Anthem
Since the 19th century, Japan has incorporated much of Western modern architecture into construction and design. Japan has one of the world's highest suicide rates, which is considered a major social issue. Since 1981, the principal cause of death in Japan is cancer, which accounted for 27% of the total deaths in 2018—followed by cardiovascular diseases, which led to 15% of the deaths. Since 1973, all elderly persons have been covered by government-sponsored insurance.
Human rights
- Responding to rising concerns, the government introduced environmental protection laws in 1970.
- As of 2023update, Japan's labor force is the world's tenth-largest, consisting of over 69.2 million workers.
- The high-speed Shinkansen (bullet trains) that connect major cities are known for their safety and punctuality.
- After Yoritomo's death, the Hōjō clan came to power as regents for the shōgun.
- The northernmost region, Hokkaido, has a humid continental climate with long, cold winters and very warm to cool summers.
- Because of its far-flung outlying islands, Japan's exclusive economic zone is the eighth-largest in the world, covering 4,470,000 km2 (1,730,000 sq mi).
The war cost Japan millions of lives and many of its conquered territories, including de jure parts of Japan such as Korea, Taiwan, Karafuto, and the Kurils. Throughout areas occupied by Japan during the war, numerous abuses were committed against local inhabitants. In 1940, the Empire invaded French Indochina, after which the United States placed an oil embargo on Japan.
Oda Nobunaga used European technology and firearms to conquer many other daimyō; his consolidation of power began what was known as the Azuchi–Momoyama period. The Zen school of Buddhism was introduced from China in the Kamakura period (1185–1333) and became popular among the samurai class. In 1185, following the defeat of the Taira clan by the Minamoto clan in the Genpei War, samurai Minamoto no Yoritomo established a military government at Kamakura. The true aim of the reforms was to bring about greater centralization and to enhance the power of the imperial court, which was also based on the governmental structure of China.
The earliest works of Japanese literature include the Kojiki and Nihon Shoki chronicles and the Man'yōshū poetry anthology, all from the 8th century and written in Chinese characters. It was not until after World War II that Japanese architects made an impression on the international scene, firstly with the work of architects like Kenzō Tange and then with movements like Metabolism. People without insurance through employers can participate in a national health insurance program administered by local governments. Throughout the latest century, Western customs originally related to Christianity, including Western style weddings, Valentine's Day and Christmas, have become popular as secular customs among many Japanese. Few children learn these languages, but local governments have sought to increase awareness of the traditional languages. The Japanese language is Japan's de facto national language and the primary written and spoken language of most people in the country.
Murasaki Shikibu's The Tale of Genji and the lyrics of Japan's national anthem "Kimigayo" were written during this time. This marked the beginning of the Heian period (794–1185), during which a distinctly indigenous Japanese culture emerged. A smallpox epidemic in 735–737 is believed to have killed as much as one-third of Japan's population. The period is characterized by the appearance of a nascent literary culture with the completion of the Kojiki (712) and Nihon Shoki (720), as well as the development of Buddhist-inspired artwork and architecture.
- Statutory law originates in the legislature, and the constitution requires that the emperor promulgate legislation passed by the Diet without giving him the power to oppose legislation.
- Japan has a population of over 123 million, of whom nearly 120 million are Japanese nationals (2024 estimates).
- Natsume Sōseki and Mori Ōgai were significant novelists in the early 20th century, followed by Ryūnosuke Akutagawa, Jun'ichirō Tanizaki, Kafū Nagai and, more recently, Haruki Murakami and Kenji Nakagami.
- In 1931, Japan invaded China and occupied Manchuria, which led to the establishment of puppet state of Manchukuo in 1932; following international condemnation of the occupation, it resigned from the League of Nations in 1933.
- This process accelerated in the 1930s, spawning several radical nationalist groups that shared a hostility to liberal democracy and a dedication to expansion in Asia.
- It is the world's fifth-largest donor of official development assistance, donating US$9.2 billion in 2014.
As of 2019update, 37.1% of energy in Japan is produced from petroleum, 25.1% from coal, 22.4% from natural gas, 3.5% from hydropower and 2.8% from nuclear power, among other sources. The Keihin and Hanshin superport hubs are among the largest in the world, at 7.98 and 5.22 million TEU respectively as of 2017update. The largest domestic airport, Haneda Airport in Tokyo, was Asia's second-busiest airport in 2019. The high-speed Shinkansen (bullet trains) that connect major cities are known for their safety and punctuality. The largest lunar mission since the Apollo program, its purpose was to gather data on the Moon's origin and evolution. Japan's plans in space exploration include building a Moon base and landing astronauts by 2030.
Because of its far-flung outlying islands, Japan's exclusive economic zone is the eighth-largest in the world, covering 4,470,000 km2 (1,730,000 sq mi). The country's five main islands, from north to south, are Hokkaido, Honshu, Shikoku, Kyushu and Okinawa. The Allies convened the International Military Tribunal for the Far East to prosecute Japanese leaders except the Emperor for Japanese war crimes. In 1931, Japan invaded China and occupied Manchuria, which led to the establishment of puppet state of Manchukuo in 1932; following international condemnation of the occupation, it resigned from the League of Nations in 1933.
Executive power is instead wielded by the prime minister and the Cabinet, whose sovereignty is vested in the Japanese people. In 2020, the government of Japan announced a target of carbon-neutrality by 2050. Japan ranks 20th in the 2018 Environmental Performance Index, which measures a country's commitment to environmental sustainability. Responding to rising concerns, the government introduced environmental protection laws in 1970. Japan has nine forest ecoregions which reflect the climate and geography of the islands.

