Country Profile: Japan

Japan, an island nation located in Eastern Asia, is situated between the North Pacific Ocean and the Sea of Japan, east of the Korean Peninsula. The country has a population of approximately 123.2 million people, predominantly Japanese by ethnicity. Japan boasts the second-largest economy in East Asia, characterized by its strong trade orientation and diversification, although it faces challenges such as an aging population and high public debt. Governed as a parliamentary constitutional monarchy, with a symbolic emperor and an elected prime minister, Japan is known for its political stability and progressive reforms.

Geography

Japan consists of an archipelago, with four main islands: Hokkaido, Honshu, Shikoku, and Kyushu, and features a rugged and mountainous terrain. The total land area is about 377,915 sq km, which is slightly smaller than California, and it has a coastline stretching 29,751 km. The country experiences a varied climate, ranging from tropical in the south to cool temperate in the north, and is prone to numerous natural hazards, including earthquakes and tsunamis.

3 main islands (Hokkaido, Honshu, Shikoku, Kyushu)
1,500 seismic occurrences annually
68.3% of land covered by forests (2023)
92% of population living in urban areas (2023)

People and Society

The population of Japan is approximately 123.2 million people, with a median age of 50.2 years and an urbanization rate of 92%. The dominant ethnic group is Japanese, making up 97.5% of the population, with significant communities of Chinese, Vietnamese, and South Koreans. The primary language is Japanese, and the major religions are Shintoism (48.6%) and Buddhism (46.4%).

58.4% of the population falls within 15 to 64 years of age
85.2 years is the life expectancy at birth (2024 est.)
12.1% of the population is aged 0-14 years
50.4 elderly dependency ratio (2024 est.)

Economy

Japan's economy is the second-largest in East Asia, with a GDP (PPP) of approximately $5.715 trillion (2024 est.). It is a trade-oriented, highly diversified economy that relies on advanced technology and manufacturing, particularly in electronics and automobiles. Despite its economic strength, Japan faces challenges such as high levels of public debt and an aging workforce that impacts labor participation.

2.6% unemployment rate (2024 est.)
69.8% of GDP is derived from the services sector (2023)
1.4% GDP growth rate forecast (2024 est.)
$661.986 billion in government revenues (2022 est.)

Government

Japan is a parliamentary constitutional monarchy, where the emperor serves as a ceremonial figure while elected officials manage governance. The National Diet is a bicameral legislature, consisting of the House of Representatives and the House of Councillors. Citizens enjoy universal suffrage at 18 years of age, and the constitution was last amended in 1947.

47 administrative divisions (prefectures)
The current Prime Minister is Sanae TAKAICHI (as of October 2025)
465 seats in the House of Representatives
248 seats in the House of Councillors

Military and Security

Japan maintains a Self-Defense Force (JSDF) with approximately 230,000 active personnel, focusing on territorial defense and humanitarian missions. The country spends about 1.4% of its GDP on military expenditures (2024 est.), participating actively in joint exercises with the US military. Japan's security policies have evolved to include counterstrike capabilities and increased defense spending amid regional tensions.

14 operational nuclear reactors (2025)
400 personnel deployed in Djibouti (2025)
JSDF primarily equipped with domestically produced arms
18-32 years age for voluntary military service

Energy

Japan is heavily reliant on fossil fuels for energy production, with 65.8% of its electricity generated from fossil sources. In response to energy needs, Japan has been investing in renewable sources, including solar (10.3%) and geothermal (0.3%). The country faces challenges due to its limited natural energy resources and must import nearly all of its energy.

100% of the population has access to electricity (2022 est.)
902.769 billion kWh electricity consumption (2023)
27.657 million metric tons of coal produced (2023)
8,000 bbl/day total petroleum production (2023)

Transportation

Japan is known for its advanced transportation infrastructure, characterized by an extensive rail network of 27,311 km and a total of 280 airports. The country also has a highly efficient subway system and numerous harbors supporting a significant merchant marine fleet.

163 total ports
5,229 vessels in the merchant marine (2023)
3,036 heliports (2025)
1.06 male-to-female ratio at birth (2024 est.)

Communications

The communication infrastructure in Japan is highly developed, with a significant percentage of the population having access to mobile and internet services. The country has a mix of public and commercial media channels and boasts a high penetration rate of fixed-line and mobile phone subscriptions.

87% of the population are internet users (2023)
219 million mobile subscriptions (2023)
59.758 million fixed-line subscriptions (2023)
47.9 million fixed broadband subscriptions (2023)

Key Metrics

Metric	Value	Note
Population	123,201,945 (2024 est.)
Area	377,915 sq km
GDP (PPP)	$5.715 trillion (2024 est.)
Unemployment Rate	2.6% (2024 est.)
Birth Rate	6.84 births/1,000 population (2025 est.)
Life Expectancy	85.2 years (2024 est.)
Energy Consumption	129.504 million Btu/person (2023 est.)
Military Expenditures	1.4% of GDP (2024 est.)
Urban Population	92% (2023)
Electricity Access	100% of population (2022 est.)