국민연금법 제13조에 따르면 국민연금 가입자 또는 가입자였던 자가 60세가 되어도 임의계속가입자로 65세까지 가입할 수 있다.
According to Article 13 of the National Pension Act, a person who is or was a member of the national pension can join up to 65 as a voluntary continuing member even he or she is 60 years old.