South Korea (kr)

Biometric passport: Yes

According to Wikipedia, citizens of South Korea can/must have biometric passports [doesn't imply retaining biometric information].

National ID card: Compulsory

According to wikipedia, South Korea has a compulsory identity card.

Contributed by Jon Klinger
  • Fox Business, October 14, 2014:

    After an avalanche of data breaches, South Korea's national identity card system has been raided so thoroughly by thieves that the government says it might have to issue new ID numbers to every citizen over 17 at a possible cost of billions of dollars.