截止至2025年6月3日，加拿大移民局（IRCC）官网给出了目前各类签证的申请周期时长，以下是各类签证的审理时间长度，请参考：
Visitor visa (from outside Canada)
Processing timeChina (People's Republic of)
23 days
Visitor visa (from inside Canada)
Processing time
23 days
Visitor extension (Visitor record)
Processing time
180 days
Study permit outside Canada
Processing time
China (People's Republic of)
4 weeks
Study permit (from inside Canada)
Processing time
8 weeks
Study permit extension
Processing time
222 days
Work permit (from outsideCanada)
Processing timeChina (People's Republic of)
11 weeks
Work permit from inside Canada(initial and extension)
Processing time
225 days
以上是来自IRCC的数据，有加拿大签证相关问题的同学和家长们，可以详细咨询沈阳新东方加拿大的老师们
