How strong and what are the armed forces of South Korea like? As it’s known, the basic constituents defining the power of every army as well as the country’s defence capacity are а) people b) money c) weapon. Let’s view all their sides.

The number of the armed forces of South Korea

The army size directly depends on the population size and the country’s mobilization potential.

So, the population of South Korea, according to the latest data, is 51,67 million people. Among them, there are 21 354 000 people people who are potentially fit for military service. Yearly, 417 000 people reach military age.

The army size in South Korea is 450 000 people.

Let’s note that the above data show only the quantity characteristics without taking into consideration professionalism level of the armed forces personnel as well as the quality of potential conscripts and selectees (their basic skills, physical condition and etc).

It’s even more difficult to estimate such parameters as motivation, combative spirit and the soldiers’ resilience, their capability and wish to perform their duties up to the end.

The military budget of South Korea    up↑

The army financing greatly depends on the country’s wealth – the better the economy is developed, the bigger amount of money can be spent on the military budget. GDP per purchasing parity power in South Korea is 3263 billion dollars. For the military budget it’s spent 1,37 % of GDP (2025 data). The military budget got a sum which is equivalent to 44.8 billion dollars.

The army armament of South Korea    up↑

According to the 2026 data, the army of South Korea has the following armament (we take into account the total amount of weapons regardless of their modifications, year of release and departmental affiliation):

● Tanks - 1831 units;

● Armored fighting vehicles (AFV) - 117460 units;

● Multiple launch rocket systems (MLRS) - 525 units;

● Self-propelled guns (SPG) - 2780 units;

● Towed artillery - 5800 units.

To protect airspace, the armed forces of South Korea can send 1540 planes of different types and 827 helicopters (including 113 strike aircrafts).

The navy forces of South Korea are presented with ships which total displacement of the basic navy fleet is 239,8 thousand tons.

Military strength index of South Korea    up↑

To compare the armed forces of South Korea with the armies of other countries, one can take into account the Military Strength Ranking from GlobalFirepower (GFP). The GFP experts have analyzed more than 60 various factors which influence the defensive capacity and the effectiveness of its armed forces; being based on these results, they calculated the military strength index for each state. The lower the index is, the stronger the country is in its military terms.

According to 2026 data, South Korea takes 5 place in the rating of GlobalFirepower with its strength military rank - 0.1642.

Do you want to compare South Korea with other countries with such indicators as the area of the territory, population, economy, the standard of living, etc? Fill in the gaps below with the country and choose the criteria: