It depends on many parameters, they are as follows,

The Canadian Immigration visa office where you apply.

The category of your application.

Whether you can find any job in Canada.

The accuracy of your application and supporting document.

Other events.

There is no standard time limit for processing the applications because of many unavoidable situations. So you are advised not or refer any published articles or information from the net regarding the time interval. This type of information can be fake and false.

According to the Ministry of Citizenship of Canada the processing work for an application filed under the Skilled Worker category should finish within 6 to 12 months.