Ibrahimovic, currently on international duty with Sweden before Euro 2016, said he has "many options", including a return to Italy.
"There is concrete offers from the Premier League. But I don't give guarantees," he added.
Ibrahimovic made his debut for hometown club Malmo in 1999 and went on to play for Ajax,
Juventus, Inter Milan, Barcelona, AC Milan and PSG.
He has scored 392 goals in 677 games and last season was his most prolific, with 50 goals in 51 matches - a record for PSG. His 38 league goals were also a club record.
"I have proved age is a number," he said. "Everything is in your head. If I want to make it I will do it."
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