Article snapshot taken from Wikipedia with creative commons attribution-sharealike license.
Give it a read and then ask your questions in the chat.
We can research this topic together.
Arbejdsmarkedets Tillægspension (ATP) is a supplementary (income-related) pension in Denmark, and is Denmark's largest lifelong pension plan. Citizens of Denmark become eligible for ATP payments as soon as they turn 65 years old. Arbejdsmarkedets Tillægspension was amended into law on March 7, 1964.