Yes they are both common. I‘d say the 32 deck is more common in older/traditionally german card games while 52 card decks are probably more commonly used for games that originated in other countries.
And in my family we play a game that uses 2 52 card decks.
Is the 52 card deck also common in Germany? In the US we use the 52 card deck for tons of different games.
Btw by sorting out the numbers below 7 you can turn a 52 into a 32 card deck
Yes they are both common. I‘d say the 32 deck is more common in older/traditionally german card games while 52 card decks are probably more commonly used for games that originated in other countries.
And in my family we play a game that uses 2 52 card decks.