You can consider investing in markets with abnormally cheap currencies and look more closely at ratios that consider the share prices.
The two pillars will form an annuity that protects you against the risk of longevity but do not overload your second pillar.
A pension plan on an individual basis generally gives better results than the more expensive 3b solutions of banks and insurance companies (managed funds or life insurance).
Your state pension is useful to include in your individual wealth planning as an element that will provide income in retirement in the form of an annuity.
If you are concerned about the declining attractiveness of your retirement system, it is possible to adopt a more individual approach to retirement planning by building a diversified equity portfolio over time.