Mongolia
vs
Japan
Head to head: who leads each category
Mongolia
3.6M
Japan
123.4M
Leads
Mongolia
$25.4B
Japan
$4.4T
Leads
Mongolia
$180.8M
Japan
$55.3B
Leads
Mongolia
#95
Japan
#11
Leads
About this relationship
Mongolia and Japan established diplomatic relations in February 1972, amid Cold War détente and Ulaanbaatar's gradual opening toward countries outside the Soviet bloc, of which Mongolia had been a political and economic satellite since the 1920s. Before that rapprochement, the relationship between the two countries had been marked by a military episode of major historical significance: the fighting at Khalkhin Gol, known in Japanese historiography as the Nomonhan Incident, fought in 1939 between Japanese forces from Manchukuo and Soviet-Mongolian troops, which ended in a decisive defeat for Japan that halted its ambitions of expansion into northern Asia, and which, at the close of the Second World War, also left behind a considerable number of Japanese prisoners of war held in labour camps in Mongolian territory.
The bilateral relationship took a decisive turn following Mongolia's democratic and market transition from 1990 onward, when Japan became one of the country's leading providers of official development assistance, financing infrastructure, energy, health and education projects that proved decisive for Mongolia's modernisation in the following decades. This role as a priority cooperation partner was formalised and deepened over the years, until both governments elevated the relationship to the status of a strategic partnership, reflecting growing political, economic and security coordination between Tokyo and Ulaanbaatar — the latter keen to diversify its foreign relations beyond its two large neighbours, Russia and China, in what Mongolian diplomacy calls its "third neighbour" policy.
Economically and commercially, bilateral cooperation has been consolidated through an economic partnership agreement signed in the 2010s, aimed at facilitating trade and investment between the two countries, complemented by ongoing Japanese technical and financial assistance programmes directed at sectors such as mining, energy, environmental management and urban development in Ulaanbaatar. Japan has also been a significant partner in building Mongolian human capital, through scholarships and university exchange programmes, as well as in infrastructure projects such as the Mongolian capital's new international airport, financed in large part with Japanese support.
The cultural sphere constitutes one of the most visible and popular bridges between the two societies, thanks in large part to the extraordinary success of Mongolian-born sumo wrestlers in Japan's top professional circuit, where several have reached the highest rank of yokozuna and become media figures of enormous popularity in Japan, contributing significantly to Mongolia's visibility and positive image among the Japanese public. Alongside this sporting phenomenon, there are growing educational, artistic and tourism exchanges between the two countries, as well as a Mongolian community resident in Japan engaged in study, work and business activity.
In recent years, the relationship has remained stable and oriented toward cooperation in energy security, economic diversification and diplomatic coordination in East Asian regional forums, with high-level visits between officials of both governments and a shared interest in strengthening ties amid a regional geopolitical context marked by Chinese assertiveness and tensions on the Korean peninsula. Mongolia continues to view Japan as one of its most reliable partners outside its immediate neighbourhood, while Tokyo sees Ulaanbaatar as a relevant actor for its strategic interests in Central and East Asia.
Strengths & comparison
The position in the international influence ranking of Japan is 11, while Mongolia is situated 84 places below in the ranking (position 95). Japan maintains contact with 110 countries, while Mongolia maintains contact with 33 countries. Japan maintains an excellent relation with 16 countries, while in the case of Mongolia, this figure drops to 3.
About Mongolia
Mongolia is a landlocked country located in East Asia, bordered by Russia to the north and China to the south, east, and west. It has a population of about 3 million people and a land area of approximately 1.56 million square miles. Mongolia is a parliamentary republic with a president as head of state and a prime minister as head of government.
The country has a diverse economy, with industries ranging from agriculture and mining to manufacturing and tourism. Mongolia is rich in natural resources, including coal, copper, and gold, and it is also home to a large herd of livestock, including sheep, goats, and horses.
Mongolia has a long history of nomadic pastoralism and has close cultural and economic ties with both Russia and China. It has a strategic location at the crossroads of Asia and Europe, which has made it an important transit route for goods and trade throughout history.
In recent years, Mongolia has faced economic challenges due to declining commodity prices and a slowdown in demand from China, its largest trading partner. However, the country has also made efforts to diversify its economy and increase its economic ties with other countries, including the United States and other countries in the region.
Overall, Mongolia is a diverse and dynamic country with a rich history and a strategic location in the heart of Asia.
Geography & terrain
Landlocked, no coastline. Dominated by high steppe grasslands and plateau, the Gobi Desert in the south, and mountain ranges (Altai, Khangai) in the west and north. Cold, dry continental climate with extreme seasonal swings. The open steppe historically favored fast-moving cavalry warfare and offers little in the way of defensive chokepoints, while the surrounding deserts and mountains form a broader buffer against sustained invasion.
About Japan
Japan is a country located in East Asia. It is an archipelago made up of four main islands (Honshu, Hokkaido, Kyushu, and Shikoku) and thousands of smaller islands. It is located to the east of the Korean Peninsula and the Sea of Japan, and to the west of the Pacific Ocean.
Japan has a population of around 126 million people, making it the world's tenth most populous country. The majority of the population is of Japanese ethnicity, and the country has a homogenous society. The official language is Japanese, and the country has a parliamentary democracy with a constitutional monarchy. The current emperor of Japan is Emperor Naruhito.
Japan is a major economic power and is one of the world's largest exporters. It has a highly developed and technologically advanced economy, with a strong focus on manufacturing and technology. It is also a major player in the global automotive and electronics industries.
Japan has a long history of cultural and economic exchange with other countries in East Asia, and it is an important member of regional organizations such as the Association of Southeast Asian Nations (ASEAN) and the East Asia Summit (EAS). It is also a member of the United Nations and other international organizations.
In terms of foreign policy, Japan has traditionally been a pacifist country and has relied on the United States for its defense. However, in recent years, Japan has sought to play a more active role in regional and global security issues, and has made efforts to expand its military capabilities.
Geography & terrain
An island archipelago, mountainous and heavily forested — over 70% of the land is mountains, which concentrates population and agriculture into narrow coastal plains. Climate ranges from humid subtropical in the south to humid continental in the north. Like the UK, its island geography has made conventional land invasion extremely difficult; the closest historical attempt (the Mongol invasions of the 13th century) failed partly due to storms at sea.
| Mongolia |
Japan |
|
|---|---|---|
| Government type | Semi-presidential republic | Parliamentary constitutional monarchy |
| GDP | $25.4B | $4.4TLeads |
| GDP per capita | $7.1K | $36.0KLeads |
| Military expenditure | $180.8M | $55.3BLeads |
| Military expenditure per capita | $51 | $448Leads |
| Land military expenditure (estimation) | $135.6M | $13.8BLeads |
| Air military expenditure (estimation) | $45.2M | $16.6BLeads |
| Naval military expenditure (estimation) | n/a | $24.9B |
| Nuclear power | No | No |
| European Union | Not a member | Not a member |
| NATO | Not a member | Not a member |
Strengths & comparison
The capitals of Mongolia and Japan are approximately 3 005 km apart (straight-line distance). There is a standard time difference of about 1.0 hours between them.
Based on shared language, currency, economic profile, borders and international groups, Mongolia and Japan score a 0/100 similarity index. This is a fun, approximate metric — not a scientific one.
Excellent relation (7+/10) with both countries
Very bad relation (3-/10) with both countries
Which side is each country closer to?
Comparing Mongolia's and Japan's scores against the same third countries shows where each one has a clear edge. Mongolia scores noticeably higher with: Russia, China, Kazakhstan, North Korea, Afghanistan.Japan scores noticeably higher with: Egypt, Australia, Israel, United Kingdom, South Korea.
Let's suppose a hypothetical conflict occurs between both countries:
Solo scenario: Mongolia vs Japan
Allies scenario: Team Mongolia vs Team Japan
In a hypothetical conflict between Mongolia and Japan, probably, Russia and China will participate helping Mongolia.
Egypt will participate helping Japan.
Battle narrative
Initial phase
Japan's larger military budget and stronger air power give it an advantage in the initial stages of the conflict, with the ability to target key military positions and infrastructure.
Force composition
Japan can also call on significantly more personnel, counting both active-duty and reserve forces. Japan's advantage extends to naval power as well.
Ground campaign
Mongolia's terrain could make a rapid ground campaign difficult: The open steppe historically favored fast-moving cavalry warfare and offers little in the way of defensive chokepoints, while the surrounding deserts and mountains form a broader buffer against sustained invasion. Ulaanbaatar would likely be a focal point of the campaign: The capital dominates the country's rail network, sitting on the only rail line linking Russia to China through Mongolia. Japan's terrain could make a rapid ground campaign difficult: Like the UK, its island geography has made conventional land invasion extremely difficult; the closest historical attempt (the Mongol invasions of the 13th century) failed partly due to storms at sea. Tsushima Strait would likely be a focal point of the campaign: The passage between Japan and Korea that any naval force must cross to move between the Sea of Japan and the East China Sea. Japan's larger population could also support a prolonged resistance.
Prolonged conflict
Japan's stronger economy could help sustain military operations in a prolonged conflict. Japan also devotes a larger share of its economy to defense (about 1.2% of GDP), a more militarized posture that could be easier to sustain over time. Occupying Mongolia outright would likely prove costly given its terrain.
Overall assessment
Japan would be more likely to prevail in this matchup, with an estimated 81.3% probability of winning. Achieving a decisive victory over Mongolia — let alone occupying it — would likely be more difficult than that headline number suggests.
Initial phase
With both the bigger war chest and the stronger air force, Mongolia's team is well placed to seize the initiative early, striking key military and infrastructure targets first.
Force composition
Mongolia's team can also call on significantly more personnel, counting both active-duty and reserve forces. Mongolia's team's advantage extends to naval power as well.
Ground campaign
Mongolia's team's larger population could also support a prolonged resistance.
Coalition
Mongolia's team goes into this conflict as a coalition of China, Russia and Mongolia. Japan's team goes into this conflict as a coalition of Japan and Egypt. Coordinating several countries at once adds combined strength for both sides, but also extra logistical and political complexity.
Prolonged conflict
Mongolia's team's stronger economy could help sustain military operations in a prolonged conflict. Mongolia's team also devotes a larger share of its economy to defense (about 2.1% of GDP), a more militarized posture that could be easier to sustain over time. Japan's team's members are spread far apart, which could make sustained logistics harder the longer the conflict runs.
Overall assessment
Mongolia's team would be more likely to prevail in this matchup, with an estimated 68.7% probability of winning. Achieving a decisive victory over Japan's team — let alone occupying it — would likely be more difficult than that headline number suggests.
Want to build your own teams? Try the War Simulator.