> It usually takes 2 to 3 years. There must be a few differences. 2 years is an incredibly short time period to get a Phd. here is Canada, and any US program

> It usually takes 2 to 3 years. There must be a few differences. 2 years is an incredibly short time period to get a Phd. here is Canada, and any US program I looked at... 4 years is usually a minimum and 5 years is common.