South Korea's ”working population” to decrease by 10 million in 20 years... ”number of deaths” to be about five times the ”number of births” in 2060

An analysis has revealed that "South Korea's working population (productive population) will decrease by 10 million people in 20 years from now." It also said, "Due to the low birth rate, the number of deaths will increase by 10 million to 10 million by 2060.