A longer-stay route based on its specific eligibility requirements.
Route overview
Typical timeline / duration: Long-stay visa entry followed by residence authorization/permit depending on case.
Important notes
Belgian foreign affairs pages state a long-stay D visa is required for stays over 90 days and may be obtained for purposes including retirement.
Immigration Office materials refer to sufficient means of subsistence and health insurance for certain national-entry cases; route-specific retiree checklist needs closer consular verification.
Retirement/non-working stay should not be treated as employment.