Sufficient means describes the minimum of the financial means that you need to cover the costs of living in Poland. Their amount may be changed. Currently the minimum is 776PLN per month if you are in a single household or 600PLN per person in a family household. Starting from January 1, 2025, these amounts will be 1,010 PLN for a single-person household and 823 PLN for an individual in a family.
The documents that confirm having sufficient funds are: