If you choose to request a Luxembourg residence permit for private reasons, you will need to prove sufficient regular income. Please, refer to https://guichet.public.lu/en/entreprises/ressources-humaines/recrutement/ressortissant-pays-tiers/raison-privees.html. One of the qualified income sources can be a securities portfolio with a Luxembourg bank. The starting point in this scenario should be opening a bank account. You will need to maintain the investment for five years. After that, you can either apply for citizenship or for a long-term residency.
