South Korea's military has shrunk to about 450,000 people - a decline of 20% over the last six years, according to a defense ministry report released on Sunday. Authorities say the main reason behind the decline is the country's dismal birth rate, which at 0.75 babies per woman is the world's lowest.

While the nation's defence budget dwarves North Korea's entire economy, its number of troops falls short. Read more at straitstimes.com. Read more at straitstimes.com.

South Korea's military shrank by 20% in the past six years to 450,000 troops, largely due to a sharp drop in the population of males of enlistment age for mandatory service in the country with the world's lowest birthrate,