These are the results of research done by the Kantar company for commercial television stations TVN and TVN24.
7% of those polled expressed the opposite view.
A further 12 percent remained undecided.
The research commissioned for TVN's Fakty news service and TVN24 news channel contained the question "In your opinion, should Poland remain in the EU?"
A similar probe carried out for TVN and TVN24 by the same pollster in November 2020 found 87% of Poles in support of their country's EU membership, while 8% were against.
Source: PAP, TVN