Ibrahimovic has been in stunning form since joining Manchester United on a free transfer from Paris Saint-Germain in the summer.
The former Sweden international has plundered home 20 goals from 34 appearances to help the club mount a challenge for the top four.
United boss Jose Mourinho has previously confirmed the club have triggered the option to keep Ibrahimovic beyond this season.
Manchester United 2-0 Watford: 10 key statistics from the match
Sun, February 12, 2017
Express Sport brings you 10 key statistics from Manchester United's 2-0 win over Watford at Old Trafford
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Express Sport brings you 10 key statistics from Man United's win over Watford
Zlatan Ibrahimovic has opened up on his Manchester United future
Zlatan Ibrahimovic starred as Manchester United beat Watford on Saturday
However, the 35-year-old has confirmed only he has the power to decide his future.
"Nothing is done yet," Ibrahimovic told the Daily Mail.
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"Let's see what happens.
"The option is already fulfilled from my side. We'll wait and see."
Zlatan Ibrahimovic has hit 20 goals for Manchester United this season
Ibrahimovic's words suggest he would be happy to stay at Old Trafford.
However, should he opt to leave, he will be inundated with offers.
Napoli and clubs from China and America have been backed to try and lure him away from the Premier League at the end of the season.