Cardinals will see their pay reduced by 10% from April, the Vatican said.
They are believed to receive up to €5,000 (£4,300; $5,900) a month and often live in subsidised accommodation.
The Vatican expects a deficit of €50m this year. Its income has been badly hit by the closure of museums and other attractions in the pandemic.
The Pope has previously said that he does not want to fire people in difficult economic times.
In an apostolic…