Translate the following English sentence to French:
"This situation is particularly serious in countries such as Portugal where the minimum pensions and pension schemes are barely more than half of the minimum national wage which in turn, is the lowest in the whole of Europe."
Cette situation est particulièrement grave pour des pays tels que le Portugal, où la retraite minimale dépasse à peine la moitié du salaire minimum national, lequel, est, quant à lui, le plus bas de tout l'Union européenne.