There were 16 919 000 Facebook users in Republic of Korea in December 2018, which accounted for 32.2% of its entire population.
The majority of them were men - 57.5%.
People aged 18 to 24 were the largest user group (5 100 000).
The highest difference between men and women occurs within people aged 25 to 34, where men lead by 2 900 000.